diff options
Diffstat (limited to 'api')
30 files changed, 2 insertions, 2831 deletions
diff --git a/api/src/main/java/io/opencensus/common/ToDoubleFunction.java b/api/src/main/java/io/opencensus/common/ToDoubleFunction.java index eac85793..415f8ca9 100644 --- a/api/src/main/java/io/opencensus/common/ToDoubleFunction.java +++ b/api/src/main/java/io/opencensus/common/ToDoubleFunction.java @@ -17,7 +17,7 @@ package io.opencensus.common; /** - * Represents a function that produces a double-valued result. See {@link + * Represents a function that produces a double-valued result. See {@code * io.opencensus.metrics.MetricRegistry} for an example of its use. * * <p>Note: This class is based on the java.util.ToDoubleFunction class added in Java 1.8. We cannot diff --git a/api/src/main/java/io/opencensus/common/ToLongFunction.java b/api/src/main/java/io/opencensus/common/ToLongFunction.java index 26a27b18..727a8b44 100644 --- a/api/src/main/java/io/opencensus/common/ToLongFunction.java +++ b/api/src/main/java/io/opencensus/common/ToLongFunction.java @@ -17,7 +17,7 @@ package io.opencensus.common; /** - * Represents a function that produces a long-valued result. See {@link + * Represents a function that produces a long-valued result. See {@code * io.opencensus.metrics.MetricRegistry} for an example of its use. * * <p>Note: This class is based on the java.util.ToLongFunction class added in Java 1.8. We cannot diff --git a/api/src/main/java/io/opencensus/metrics/Distribution.java b/api/src/main/java/io/opencensus/metrics/Distribution.java deleted file mode 100644 index bdea7762..00000000 --- a/api/src/main/java/io/opencensus/metrics/Distribution.java +++ /dev/null @@ -1,280 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import com.google.auto.value.AutoValue; -import io.opencensus.common.ExperimentalApi; -import io.opencensus.common.Timestamp; -import io.opencensus.internal.Utils; -import java.util.ArrayList; -import java.util.Collections; -import java.util.HashMap; -import java.util.List; -import java.util.Map; -import java.util.Map.Entry; -import javax.annotation.Nullable; -import javax.annotation.concurrent.Immutable; - -/** - * {@link Distribution} contains summary statistics for a population of values. It optionally - * contains a histogram representing the distribution of those values across a set of buckets. - * - * @since 0.16 - */ -@ExperimentalApi -@AutoValue -@Immutable -public abstract class Distribution { - - Distribution() {} - - /** - * Creates a {@link Distribution}. - * - * @param mean mean of the population values. - * @param count count of the population values. - * @param sumOfSquaredDeviations sum of squared deviations of the population values. - * @param bucketBoundaries bucket boundaries of a histogram. - * @param buckets {@link Bucket}s of a histogram. - * @return a {@code Distribution}. - * @since 0.16 - */ - public static Distribution create( - double mean, - long count, - double sumOfSquaredDeviations, - List<Double> bucketBoundaries, - List<Bucket> buckets) { - Utils.checkArgument(count >= 0, "count should be non-negative."); - Utils.checkArgument( - sumOfSquaredDeviations >= 0, "sum of squared deviations should be non-negative."); - if (count == 0) { - Utils.checkArgument(mean == 0, "mean should be 0 if count is 0."); - Utils.checkArgument( - sumOfSquaredDeviations == 0, "sum of squared deviations should be 0 if count is 0."); - } - return new AutoValue_Distribution( - mean, - count, - sumOfSquaredDeviations, - copyBucketBounds(bucketBoundaries), - copyBucketCount(buckets)); - } - - private static List<Double> copyBucketBounds(List<Double> bucketBoundaries) { - Utils.checkNotNull(bucketBoundaries, "bucketBoundaries list should not be null."); - List<Double> bucketBoundariesCopy = new ArrayList<Double>(bucketBoundaries); // Deep copy. - // Check if sorted. - if (bucketBoundariesCopy.size() > 1) { - double lower = bucketBoundariesCopy.get(0); - for (int i = 1; i < bucketBoundariesCopy.size(); i++) { - double next = bucketBoundariesCopy.get(i); - Utils.checkArgument(lower < next, "bucket boundaries not sorted."); - lower = next; - } - } - return Collections.unmodifiableList(bucketBoundariesCopy); - } - - private static List<Bucket> copyBucketCount(List<Bucket> buckets) { - Utils.checkNotNull(buckets, "bucket list should not be null."); - List<Bucket> bucketsCopy = new ArrayList<Bucket>(buckets); - for (Bucket bucket : bucketsCopy) { - Utils.checkNotNull(bucket, "bucket should not be null."); - } - return Collections.unmodifiableList(bucketsCopy); - } - - /** - * Returns the aggregated mean. - * - * @return the aggregated mean. - * @since 0.16 - */ - public abstract double getMean(); - - /** - * Returns the aggregated count. - * - * @return the aggregated count. - * @since 0.16 - */ - public abstract long getCount(); - - /** - * Returns the aggregated sum of squared deviations. - * - * <p>The sum of squared deviations from the mean of the values in the population. For values x_i - * this is: - * - * <p>Sum[i=1..n]((x_i - mean)^2) - * - * <p>If count is zero then this field must be zero. - * - * @return the aggregated sum of squared deviations. - * @since 0.16 - */ - public abstract double getSumOfSquaredDeviations(); - - /** - * Returns the bucket boundaries of this distribution. - * - * <p>The bucket boundaries for that histogram are described by bucket_bounds. This defines - * size(bucket_bounds) + 1 (= N) buckets. The boundaries for bucket index i are: - * - * <ul> - * <li>{@code (-infinity, bucket_bounds[i]) for i == 0} - * <li>{@code [bucket_bounds[i-1], bucket_bounds[i]) for 0 < i < N-2} - * <li>{@code [bucket_bounds[i-1], +infinity) for i == N-1} - * </ul> - * - * <p>i.e. an underflow bucket (number 0), zero or more finite buckets (1 through N - 2, and an - * overflow bucket (N - 1), with inclusive lower bounds and exclusive upper bounds. - * - * <p>If bucket_bounds has no elements (zero size), then there is no histogram associated with the - * Distribution. If bucket_bounds has only one element, there are no finite buckets, and that - * single element is the common boundary of the overflow and underflow buckets. The values must be - * monotonically increasing. - * - * @return the bucket boundaries of this distribution. - * @since 0.16 - */ - public abstract List<Double> getBucketBoundaries(); - - /** - * Returns the aggregated histogram {@link Bucket}s. - * - * @return the aggregated histogram buckets. - * @since 0.16 - */ - public abstract List<Bucket> getBuckets(); - - /** - * The histogram bucket of the population values. - * - * @since 0.16 - */ - @AutoValue - @Immutable - public abstract static class Bucket { - - Bucket() {} - - /** - * Creates a {@link Bucket}. - * - * @param count the number of values in each bucket of the histogram. - * @return a {@code Bucket}. - * @since 0.16 - */ - public static Bucket create(long count) { - Utils.checkArgument(count >= 0, "bucket count should be non-negative."); - return new AutoValue_Distribution_Bucket(count, null); - } - - /** - * Creates a {@link Bucket} with an {@link Exemplar}. - * - * @param count the number of values in each bucket of the histogram. - * @param exemplar the {@code Exemplar} of this {@code Bucket}. - * @return a {@code Bucket}. - * @since 0.16 - */ - public static Bucket create(long count, Exemplar exemplar) { - Utils.checkArgument(count >= 0, "bucket count should be non-negative."); - Utils.checkNotNull(exemplar, "exemplar"); - return new AutoValue_Distribution_Bucket(count, exemplar); - } - - /** - * Returns the number of values in each bucket of the histogram. - * - * @return the number of values in each bucket of the histogram. - * @since 0.16 - */ - public abstract long getCount(); - - /** - * Returns the {@link Exemplar} associated with the {@link Bucket}, or {@code null} if there - * isn't one. - * - * @return the {@code Exemplar} associated with the {@code Bucket}, or {@code null} if there - * isn't one. - * @since 0.16 - */ - @Nullable - public abstract Exemplar getExemplar(); - } - - /** - * An example point that may be used to annotate aggregated distribution values, associated with a - * histogram bucket. - * - * @since 0.16 - */ - @Immutable - @AutoValue - public abstract static class Exemplar { - - Exemplar() {} - - /** - * Returns value of the {@link Exemplar} point. - * - * @return value of the {@code Exemplar} point. - * @since 0.16 - */ - public abstract double getValue(); - - /** - * Returns the time that this {@link Exemplar}'s value was recorded. - * - * @return the time that this {@code Exemplar}'s value was recorded. - * @since 0.16 - */ - public abstract Timestamp getTimestamp(); - - /** - * Returns the contextual information about the example value, represented as a string map. - * - * @return the contextual information about the example value. - * @since 0.16 - */ - public abstract Map<String, String> getAttachments(); - - /** - * Creates an {@link Exemplar}. - * - * @param value value of the {@link Exemplar} point. - * @param timestamp the time that this {@code Exemplar}'s value was recorded. - * @param attachments the contextual information about the example value. - * @return an {@code Exemplar}. - * @since 0.16 - */ - public static Exemplar create( - double value, Timestamp timestamp, Map<String, String> attachments) { - Utils.checkNotNull(attachments, "attachments"); - Map<String, String> attachmentsCopy = - Collections.unmodifiableMap(new HashMap<String, String>(attachments)); - for (Entry<String, String> entry : attachmentsCopy.entrySet()) { - Utils.checkNotNull(entry.getKey(), "key of attachments"); - Utils.checkNotNull(entry.getValue(), "value of attachments"); - } - return new AutoValue_Distribution_Exemplar(value, timestamp, attachmentsCopy); - } - } -} diff --git a/api/src/main/java/io/opencensus/metrics/LabelKey.java b/api/src/main/java/io/opencensus/metrics/LabelKey.java deleted file mode 100644 index 01ef0b55..00000000 --- a/api/src/main/java/io/opencensus/metrics/LabelKey.java +++ /dev/null @@ -1,62 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import com.google.auto.value.AutoValue; -import io.opencensus.common.ExperimentalApi; -import javax.annotation.concurrent.Immutable; - -/** - * The key of a {@code Label} associated with a {@code MetricDescriptor}. - * - * @since 0.15 - */ -@ExperimentalApi -@Immutable -@AutoValue -public abstract class LabelKey { - - LabelKey() {} - - /** - * Creates a {@link LabelKey}. - * - * @param key the key of a {@code Label}. - * @param description a human-readable description of what this label key represents. - * @return a {@code LabelKey}. - * @since 0.15 - */ - public static LabelKey create(String key, String description) { - return new AutoValue_LabelKey(key, description); - } - - /** - * Returns the key of this {@link LabelKey}. - * - * @return the key. - * @since 0.15 - */ - public abstract String getKey(); - - /** - * Returns the description of this {@link LabelKey}. - * - * @return the description. - * @since 0.15 - */ - public abstract String getDescription(); -} diff --git a/api/src/main/java/io/opencensus/metrics/LabelValue.java b/api/src/main/java/io/opencensus/metrics/LabelValue.java deleted file mode 100644 index e81b63d2..00000000 --- a/api/src/main/java/io/opencensus/metrics/LabelValue.java +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import com.google.auto.value.AutoValue; -import io.opencensus.common.ExperimentalApi; -import javax.annotation.Nullable; -import javax.annotation.concurrent.Immutable; - -/** - * The value of a {@code Label} associated with a {@code TimeSeries}. - * - * @since 0.15 - */ -@ExperimentalApi -@Immutable -@AutoValue -public abstract class LabelValue { - - LabelValue() {} - - /** - * Creates a {@link LabelValue}. - * - * @param value the value of a {@code Label}. {@code null} value indicates an unset {@code - * LabelValue}. - * @return a {@code LabelValue}. - * @since 0.15 - */ - public static LabelValue create(@Nullable String value) { - return new AutoValue_LabelValue(value); - } - - /** - * Returns the value of this {@link LabelValue}. Returns {@code null} if the value is unset and - * supposed to be ignored. - * - * @return the value. - * @since 0.15 - */ - @Nullable - public abstract String getValue(); -} diff --git a/api/src/main/java/io/opencensus/metrics/Metric.java b/api/src/main/java/io/opencensus/metrics/Metric.java deleted file mode 100644 index fa0018b3..00000000 --- a/api/src/main/java/io/opencensus/metrics/Metric.java +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import com.google.auto.value.AutoValue; -import io.opencensus.common.ExperimentalApi; -import io.opencensus.internal.Utils; -import io.opencensus.metrics.Value.ValueDistribution; -import io.opencensus.metrics.Value.ValueDouble; -import io.opencensus.metrics.Value.ValueLong; -import java.util.List; -import javax.annotation.concurrent.Immutable; - -/** - * A {@link Metric} with one or more {@link TimeSeries}. - * - * @since 0.16 - */ -@ExperimentalApi -@Immutable -@AutoValue -public abstract class Metric { - - Metric() {} - - /** - * Creates a {@link Metric}. - * - * @param metricDescriptor the {@link MetricDescriptor}. - * @param timeSeriesList the {@link TimeSeries} list for this metric. - * @return a {@code Metric}. - * @since 0.16 - */ - public static Metric create(MetricDescriptor metricDescriptor, List<TimeSeries> timeSeriesList) { - checkTypeMatch(metricDescriptor.getType(), timeSeriesList); - return new AutoValue_Metric(metricDescriptor, timeSeriesList); - } - - /** - * Returns the {@link MetricDescriptor} of this metric. - * - * @return the {@code MetricDescriptor} of this metric. - * @since 0.16 - */ - public abstract MetricDescriptor getMetricDescriptor(); - - /** - * Returns the {@link TimeSeries} list for this metric. - * - * <p>The type of the {@link TimeSeries#getPoints()} must match {@link MetricDescriptor.Type}. - * - * @return the {@code TimeSeriesList} for this metric. - * @since 0.16 - */ - public abstract List<TimeSeries> getTimeSeriesList(); - - private static void checkTypeMatch(MetricDescriptor.Type type, List<TimeSeries> timeSeriesList) { - for (TimeSeries timeSeries : timeSeriesList) { - for (Point point : timeSeries.getPoints()) { - Value value = point.getValue(); - String valueClassName = ""; - if (value.getClass().getSuperclass() != null) { // work around nullness check - // AutoValue classes should always have a super class. - valueClassName = value.getClass().getSuperclass().getSimpleName(); - } - switch (type) { - case GAUGE_INT64: - case CUMULATIVE_INT64: - Utils.checkArgument( - value instanceof ValueLong, "Type mismatch: %s, %s.", type, valueClassName); - break; - case CUMULATIVE_DOUBLE: - case GAUGE_DOUBLE: - Utils.checkArgument( - value instanceof ValueDouble, "Type mismatch: %s, %s.", type, valueClassName); - break; - case CUMULATIVE_DISTRIBUTION: - Utils.checkArgument( - value instanceof ValueDistribution, "Type mismatch: %s, %s.", type, valueClassName); - } - } - } - } -} diff --git a/api/src/main/java/io/opencensus/metrics/MetricDescriptor.java b/api/src/main/java/io/opencensus/metrics/MetricDescriptor.java deleted file mode 100644 index 4558446a..00000000 --- a/api/src/main/java/io/opencensus/metrics/MetricDescriptor.java +++ /dev/null @@ -1,150 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import com.google.auto.value.AutoValue; -import io.opencensus.common.ExperimentalApi; -import io.opencensus.internal.Utils; -import java.util.ArrayList; -import java.util.Collections; -import java.util.List; -import javax.annotation.concurrent.Immutable; - -/** - * {@link MetricDescriptor} defines a {@code Metric} type and its schema. - * - * @since 0.16 - */ -@ExperimentalApi -@Immutable -@AutoValue -public abstract class MetricDescriptor { - - MetricDescriptor() {} - - /** - * Creates a {@link MetricDescriptor}. - * - * @param name name of {@code MetricDescriptor}. - * @param description description of {@code MetricDescriptor}. - * @param unit the metric unit. - * @param type type of {@code MetricDescriptor}. - * @param labelKeys the label keys associated with the {@code MetricDescriptor}. - * @return a {@code MetricDescriptor}. - * @since 0.16 - */ - public static MetricDescriptor create( - String name, String description, String unit, Type type, List<LabelKey> labelKeys) { - Utils.checkNotNull(labelKeys, "labelKeys"); - Utils.checkListElementNotNull(labelKeys, "labelKey"); - return new AutoValue_MetricDescriptor( - name, - description, - unit, - type, - Collections.unmodifiableList(new ArrayList<LabelKey>(labelKeys))); - } - - /** - * Returns the metric descriptor name. - * - * @return the metric descriptor name. - * @since 0.16 - */ - public abstract String getName(); - - /** - * Returns the description of this metric descriptor. - * - * @return the description of this metric descriptor. - * @since 0.16 - */ - public abstract String getDescription(); - - /** - * Returns the unit of this metric descriptor. - * - * @return the unit of this metric descriptor. - * @since 0.16 - */ - public abstract String getUnit(); - - /** - * Returns the type of this metric descriptor. - * - * @return the type of this metric descriptor. - * @since 0.16 - */ - public abstract Type getType(); - - /** - * Returns the label keys associated with this metric descriptor. - * - * @return the label keys associated with this metric descriptor. - * @since 0.16 - */ - public abstract List<LabelKey> getLabelKeys(); - - /** - * The kind of metric. It describes how the data is reported. - * - * <p>A gauge is an instantaneous measurement of a value. - * - * <p>A cumulative measurement is a value accumulated over a time interval. In a time series, - * cumulative measurements should have the same start time and increasing end times, until an - * event resets the cumulative value to zero and sets a new start time for the following points. - * - * @since 0.16 - */ - public enum Type { - - /** - * An instantaneous measurement of an int64 value. - * - * @since 0.16 - */ - GAUGE_INT64, - - /** - * An instantaneous measurement of a double value. - * - * @since 0.16 - */ - GAUGE_DOUBLE, - - /** - * An cumulative measurement of an int64 value. - * - * @since 0.16 - */ - CUMULATIVE_INT64, - - /** - * An cumulative measurement of a double value. - * - * @since 0.16 - */ - CUMULATIVE_DOUBLE, - - /** - * An cumulative measurement of a distribution value. - * - * @since 0.16 - */ - CUMULATIVE_DISTRIBUTION, - } -} diff --git a/api/src/main/java/io/opencensus/metrics/MetricProducer.java b/api/src/main/java/io/opencensus/metrics/MetricProducer.java deleted file mode 100644 index 38b5d571..00000000 --- a/api/src/main/java/io/opencensus/metrics/MetricProducer.java +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import io.opencensus.common.ExperimentalApi; -import io.opencensus.metrics.export.MetricProducerManager; -import java.util.Collection; - -/** - * A {@link io.opencensus.metrics.Metric} producer that can be registered for exporting using {@link - * MetricProducerManager}. - * - * <p>All implementation MUST be thread-safe. - */ -@ExperimentalApi -public abstract class MetricProducer { - - /** - * Returns a collection of produced {@link io.opencensus.metrics.Metric}s to be exported. - * - * @return a collection of produced {@link io.opencensus.metrics.Metric}s to be exported. - */ - public abstract Collection<Metric> getMetrics(); -} diff --git a/api/src/main/java/io/opencensus/metrics/MetricRegistry.java b/api/src/main/java/io/opencensus/metrics/MetricRegistry.java deleted file mode 100644 index ae4d90b0..00000000 --- a/api/src/main/java/io/opencensus/metrics/MetricRegistry.java +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import io.opencensus.common.ExperimentalApi; -import io.opencensus.common.ToDoubleFunction; -import io.opencensus.common.ToLongFunction; -import io.opencensus.internal.Utils; -import java.util.Collection; -import java.util.Collections; -import java.util.LinkedHashMap; - -/** - * Creates and manages your application's set of metrics. Exporters use the metric registry to - * iterate over the set of metrics instrumenting your application, and then further export each - * metric to the backend of choice. - * - * @since 0.16 - */ -@ExperimentalApi -public abstract class MetricRegistry extends MetricProducer { - /** - * Build a new long gauge to be added to the registry. - * - * <p>Must be called only once. - * - * @param name the name of the metric. - * @param description the description of the metric. - * @param unit the unit of the metric. - * @param obj the function argument. - * @param function the function to be called. - * @since 0.16 @ExperimentalApi - */ - public abstract <T> void addLongGauge( - String name, - String description, - String unit, - LinkedHashMap<LabelKey, LabelValue> labels, - T obj, - ToLongFunction<T> function); - - /** - * Build a new double gauge to be added to the registry. - * - * <p>Must be called only once. - * - * @param name the name of the metric. - * @param description the description of the metric. - * @param unit the unit of the metric. - * @param obj the function argument. - * @param function the function to be called. - * @since 0.16 @ExperimentalApi - */ - public abstract <T> void addDoubleGauge( - String name, - String description, - String unit, - LinkedHashMap<LabelKey, LabelValue> labels, - T obj, - ToDoubleFunction<T> function); - - static MetricRegistry newNoopMetricRegistry() { - return new NoopMetricRegistry(); - } - - private static final class NoopMetricRegistry extends MetricRegistry { - - @Override - public <T> void addLongGauge( - String name, - String description, - String unit, - LinkedHashMap<LabelKey, LabelValue> labels, - T obj, - ToLongFunction<T> function) { - Utils.checkNotNull(name, "name"); - Utils.checkNotNull(description, "description"); - Utils.checkNotNull(unit, "unit"); - Utils.checkNotNull(labels, "labels"); - Utils.checkNotNull(function, "function"); - } - - @Override - public <T> void addDoubleGauge( - String name, - String description, - String unit, - LinkedHashMap<LabelKey, LabelValue> labels, - T obj, - ToDoubleFunction<T> function) { - Utils.checkNotNull(name, "name"); - Utils.checkNotNull(description, "description"); - Utils.checkNotNull(unit, "unit"); - Utils.checkNotNull(labels, "labels"); - Utils.checkNotNull(function, "function"); - } - - @Override - public Collection<Metric> getMetrics() { - return Collections.emptyList(); - } - } -} diff --git a/api/src/main/java/io/opencensus/metrics/Metrics.java b/api/src/main/java/io/opencensus/metrics/Metrics.java deleted file mode 100644 index 521fbd08..00000000 --- a/api/src/main/java/io/opencensus/metrics/Metrics.java +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import io.opencensus.common.ExperimentalApi; -import io.opencensus.internal.DefaultVisibilityForTesting; -import io.opencensus.internal.Provider; -import io.opencensus.metrics.export.ExportComponent; -import java.util.logging.Level; -import java.util.logging.Logger; -import javax.annotation.Nullable; - -/** - * Class for accessing the default {@link MetricsComponent}. - * - * @since 0.16 - */ -@ExperimentalApi -public final class Metrics { - private static final Logger logger = Logger.getLogger(Metrics.class.getName()); - private static final MetricsComponent metricsComponent = - loadMetricsComponent(MetricsComponent.class.getClassLoader()); - - /** - * Returns the global {@link ExportComponent}. - * - * @return the global {@code ExportComponent}. - * @since 0.16 - */ - public static ExportComponent getExportComponent() { - return metricsComponent.getExportComponent(); - } - - /** - * Returns the global {@link MetricRegistry}. - * - * <p>This {@code MetricRegistry} is already added to the global {@link - * io.opencensus.metrics.export.MetricProducerManager}. - * - * @return the global {@code MetricRegistry}. - * @since 0.16 - */ - public static MetricRegistry getMetricRegistry() { - return metricsComponent.getMetricRegistry(); - } - - // Any provider that may be used for MetricsComponent can be added here. - @DefaultVisibilityForTesting - static MetricsComponent loadMetricsComponent(@Nullable ClassLoader classLoader) { - try { - // Call Class.forName with literal string name of the class to help shading tools. - return Provider.createInstance( - Class.forName( - "io.opencensus.impl.metrics.MetricsComponentImpl", /*initialize=*/ true, classLoader), - MetricsComponent.class); - } catch (ClassNotFoundException e) { - logger.log( - Level.FINE, - "Couldn't load full implementation for MetricsComponent, now trying to load lite " - + "implementation.", - e); - } - try { - // Call Class.forName with literal string name of the class to help shading tools. - return Provider.createInstance( - Class.forName( - "io.opencensus.impllite.metrics.MetricsComponentImplLite", - /*initialize=*/ true, - classLoader), - MetricsComponent.class); - } catch (ClassNotFoundException e) { - logger.log( - Level.FINE, - "Couldn't load lite implementation for MetricsComponent, now using default " - + "implementation for MetricsComponent.", - e); - } - return MetricsComponent.newNoopMetricsComponent(); - } - - private Metrics() {} -} diff --git a/api/src/main/java/io/opencensus/metrics/MetricsComponent.java b/api/src/main/java/io/opencensus/metrics/MetricsComponent.java deleted file mode 100644 index 08d954ef..00000000 --- a/api/src/main/java/io/opencensus/metrics/MetricsComponent.java +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import io.opencensus.common.ExperimentalApi; -import io.opencensus.metrics.export.ExportComponent; - -/** - * Class that holds the implementation instance for {@link ExportComponent}. - * - * @since 0.16 - */ -@ExperimentalApi -public abstract class MetricsComponent { - - /** - * Returns the {@link ExportComponent} with the provided implementation. If no implementation is - * provided then no-op implementations will be used. - * - * @return the {@link ExportComponent} implementation. - * @since 0.16 - */ - public abstract ExportComponent getExportComponent(); - - /** - * Returns the {@link MetricRegistry} with the provided implementation. - * - * @return the {@link MetricRegistry} implementation. - * @since 0.16 - */ - public abstract MetricRegistry getMetricRegistry(); - - /** - * Returns an instance that contains no-op implementations for all the instances. - * - * @return an instance that contains no-op implementations for all the instances. - */ - static MetricsComponent newNoopMetricsComponent() { - return new NoopMetricsComponent(); - } - - private static final class NoopMetricsComponent extends MetricsComponent { - private static final ExportComponent EXPORT_COMPONENT = - ExportComponent.newNoopExportComponent(); - private static final MetricRegistry METRIC_REGISTRY = MetricRegistry.newNoopMetricRegistry(); - - @Override - public ExportComponent getExportComponent() { - return EXPORT_COMPONENT; - } - - @Override - public MetricRegistry getMetricRegistry() { - return METRIC_REGISTRY; - } - } -} diff --git a/api/src/main/java/io/opencensus/metrics/Point.java b/api/src/main/java/io/opencensus/metrics/Point.java deleted file mode 100644 index e66b273d..00000000 --- a/api/src/main/java/io/opencensus/metrics/Point.java +++ /dev/null @@ -1,63 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import com.google.auto.value.AutoValue; -import io.opencensus.common.ExperimentalApi; -import io.opencensus.common.Timestamp; -import javax.annotation.concurrent.Immutable; - -/** - * A timestamped measurement of a {@code TimeSeries}. - * - * @since 0.16 - */ -@ExperimentalApi -@AutoValue -@Immutable -public abstract class Point { - - Point() {} - - /** - * Creates a {@link Point}. - * - * @param value the {@link Value} of this {@link Point}. - * @param timestamp the {@link Timestamp} when this {@link Point} was recorded. - * @return a {@code Point}. - * @since 0.16 - */ - public static Point create(Value value, Timestamp timestamp) { - return new AutoValue_Point(value, timestamp); - } - - /** - * Returns the {@link Value}. - * - * @return the {@code Value}. - * @since 0.16 - */ - public abstract Value getValue(); - - /** - * Returns the {@link Timestamp} when this {@link Point} was recorded. - * - * @return the {@code Timestamp}. - * @since 0.16 - */ - public abstract Timestamp getTimestamp(); -} diff --git a/api/src/main/java/io/opencensus/metrics/TimeSeries.java b/api/src/main/java/io/opencensus/metrics/TimeSeries.java deleted file mode 100644 index c62b6b72..00000000 --- a/api/src/main/java/io/opencensus/metrics/TimeSeries.java +++ /dev/null @@ -1,94 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import com.google.auto.value.AutoValue; -import io.opencensus.common.ExperimentalApi; -import io.opencensus.common.Timestamp; -import io.opencensus.internal.Utils; -import java.util.ArrayList; -import java.util.Collections; -import java.util.List; -import javax.annotation.Nullable; -import javax.annotation.concurrent.Immutable; - -/** - * A collection of data points that describes the time-varying values of a {@code Metric}. - * - * @since 0.16 - */ -@ExperimentalApi -@Immutable -@AutoValue -public abstract class TimeSeries { - - TimeSeries() {} - - /** - * Creates a {@link TimeSeries}. - * - * @param labelValues the {@code LabelValue}s that uniquely identify this {@code TimeSeries}. - * @param points the data {@code Point}s of this {@code TimeSeries}. - * @param startTimestamp the start {@code Timestamp} of this {@code TimeSeries}. Must be non-null - * for cumulative {@code Point}s. - * @return a {@code TimeSeries}. - * @since 0.16 - */ - public static TimeSeries create( - List<LabelValue> labelValues, List<Point> points, @Nullable Timestamp startTimestamp) { - // Fail fast on null lists to prevent NullPointerException when copying the lists. - Utils.checkNotNull(labelValues, "labelValues"); - Utils.checkNotNull(points, "points"); - Utils.checkListElementNotNull(labelValues, "labelValue"); - Utils.checkListElementNotNull(points, "point"); - return new AutoValue_TimeSeries( - Collections.unmodifiableList(new ArrayList<LabelValue>(labelValues)), - Collections.unmodifiableList(new ArrayList<Point>(points)), - startTimestamp); - } - - /** - * Returns the set of {@link LabelValue}s that uniquely identify this {@link TimeSeries}. - * - * <p>Apply to all {@link Point}s. - * - * <p>The order of {@link LabelValue}s must match that of {@link LabelKey}s in the {@code - * MetricDescriptor}. - * - * @return the {@code LabelValue}s. - * @since 0.16 - */ - public abstract List<LabelValue> getLabelValues(); - - /** - * Returns the data {@link Point}s of this {@link TimeSeries}. - * - * @return the data {@code Point}s. - * @since 0.16 - */ - public abstract List<Point> getPoints(); - - /** - * Returns the start {@link Timestamp} of this {@link TimeSeries} if the {@link Point}s are - * cumulative, or {@code null} if the {@link Point}s are gauge. - * - * @return the start {@code Timestamp} or {@code null}. - * @since 0.16 - */ - @Nullable - public abstract Timestamp getStartTimestamp(); -} diff --git a/api/src/main/java/io/opencensus/metrics/Value.java b/api/src/main/java/io/opencensus/metrics/Value.java deleted file mode 100644 index c8fe48f8..00000000 --- a/api/src/main/java/io/opencensus/metrics/Value.java +++ /dev/null @@ -1,196 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import com.google.auto.value.AutoValue; -import io.opencensus.common.ExperimentalApi; -import io.opencensus.common.Function; -import javax.annotation.concurrent.Immutable; - -/** - * The actual point value for a {@link Point}. - * - * <p>Currently there are three types of {@link Value}: - * - * <ul> - * <li>{@code double} - * <li>{@code long} - * <li>{@link Distribution} - * </ul> - * - * <p>Each {@link Point} contains exactly one of the three {@link Value} types. - * - * @since 0.16 - */ -@ExperimentalApi -@Immutable -public abstract class Value { - - Value() {} - - /** - * Returns a double {@link Value}. - * - * @param value value in double. - * @return a double {@code Value}. - * @since 0.16 - */ - public static Value doubleValue(double value) { - return ValueDouble.create(value); - } - - /** - * Returns a long {@link Value}. - * - * @param value value in long. - * @return a long {@code Value}. - * @since 0.16 - */ - public static Value longValue(long value) { - return ValueLong.create(value); - } - - /** - * Returns a {@link Distribution} {@link Value}. - * - * @param value value in {@link Distribution}. - * @return a {@code Distribution} {@code Value}. - * @since 0.16 - */ - public static Value distributionValue(Distribution value) { - return ValueDistribution.create(value); - } - - /** - * Applies the given match function to the underlying data type. - * - * @since 0.16 - */ - public abstract <T> T match( - Function<? super Double, T> doubleFunction, - Function<? super Long, T> longFunction, - Function<? super Distribution, T> distributionFunction, - Function<? super Value, T> defaultFunction); - - /** A 64-bit double-precision floating-point {@link Value}. */ - @AutoValue - @Immutable - abstract static class ValueDouble extends Value { - - ValueDouble() {} - - @Override - public final <T> T match( - Function<? super Double, T> doubleFunction, - Function<? super Long, T> longFunction, - Function<? super Distribution, T> distributionFunction, - Function<? super Value, T> defaultFunction) { - return doubleFunction.apply(getValue()); - } - - /** - * Creates a {@link ValueDouble}. - * - * @param value the value in double. - * @return a {@code ValueDouble}. - */ - static ValueDouble create(double value) { - return new AutoValue_Value_ValueDouble(value); - } - - /** - * Returns the double value. - * - * @return the double value. - */ - abstract double getValue(); - } - - /** A 64-bit integer {@link Value}. */ - @AutoValue - @Immutable - abstract static class ValueLong extends Value { - - ValueLong() {} - - @Override - public final <T> T match( - Function<? super Double, T> doubleFunction, - Function<? super Long, T> longFunction, - Function<? super Distribution, T> distributionFunction, - Function<? super Value, T> defaultFunction) { - return longFunction.apply(getValue()); - } - - /** - * Creates a {@link ValueLong}. - * - * @param value the value in long. - * @return a {@code ValueLong}. - */ - static ValueLong create(long value) { - return new AutoValue_Value_ValueLong(value); - } - - /** - * Returns the long value. - * - * @return the long value. - */ - abstract long getValue(); - } - - /** - * {@link ValueDistribution} contains summary statistics for a population of values. It optionally - * contains a histogram representing the distribution of those values across a set of buckets. - */ - @AutoValue - @Immutable - abstract static class ValueDistribution extends Value { - - ValueDistribution() {} - - @Override - public final <T> T match( - Function<? super Double, T> doubleFunction, - Function<? super Long, T> longFunction, - Function<? super Distribution, T> distributionFunction, - Function<? super Value, T> defaultFunction) { - return distributionFunction.apply(getValue()); - } - - /** - * Creates a {@link ValueDistribution}. - * - * @param value the {@link Distribution} value. - * @return a {@code ValueDistribution}. - */ - static ValueDistribution create(Distribution value) { - return new AutoValue_Value_ValueDistribution(value); - } - - /** - * Returns the {@link Distribution} value. - * - * @return the {@code Distribution} value. - */ - abstract Distribution getValue(); - } - - // TODO(songya): Add support for Summary type. - // This is an aggregation that produces percentiles directly. -} diff --git a/api/src/main/java/io/opencensus/metrics/export/ExportComponent.java b/api/src/main/java/io/opencensus/metrics/export/ExportComponent.java deleted file mode 100644 index bab65d13..00000000 --- a/api/src/main/java/io/opencensus/metrics/export/ExportComponent.java +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics.export; - -import io.opencensus.common.ExperimentalApi; - -/** - * Class that holds the implementation instance for {@link MetricProducerManager}. - * - * <p>Unless otherwise noted all methods (on component) results are cacheable. - * - * @since 0.16 - */ -@ExperimentalApi -public abstract class ExportComponent { - /** - * Returns the no-op implementation of the {@code ExportComponent}. - * - * @return the no-op implementation of the {@code ExportComponent}. - * @since 0.16 - */ - public static ExportComponent newNoopExportComponent() { - return new NoopExportComponent(); - } - - /** - * Returns the global {@link MetricProducerManager} which can be used to register handlers to - * export all the recorded metrics. - * - * @return the implementation of the {@code MetricExporter} or no-op if no implementation linked - * in the binary. - * @since 0.16 - */ - public abstract MetricProducerManager getMetricProducerManager(); - - private static final class NoopExportComponent extends ExportComponent { - - private static final MetricProducerManager METRIC_PRODUCER_MANAGER = - MetricProducerManager.newNoopMetricProducerManager(); - - @Override - public MetricProducerManager getMetricProducerManager() { - return METRIC_PRODUCER_MANAGER; - } - } -} diff --git a/api/src/main/java/io/opencensus/metrics/export/MetricProducerManager.java b/api/src/main/java/io/opencensus/metrics/export/MetricProducerManager.java deleted file mode 100644 index c5acf174..00000000 --- a/api/src/main/java/io/opencensus/metrics/export/MetricProducerManager.java +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics.export; - -import io.opencensus.common.ExperimentalApi; -import io.opencensus.internal.Utils; -import io.opencensus.metrics.MetricProducer; -import java.util.Collections; -import java.util.Set; -import javax.annotation.concurrent.ThreadSafe; - -/** - * Keeps a set of {@link MetricProducer} that is used by exporters to determine the metrics that - * need to be exported. - * - * @since 0.16 - */ -@ExperimentalApi -@ThreadSafe -public abstract class MetricProducerManager { - - /** - * Adds the {@link MetricProducer} to the manager if it is not already present. - * - * @param metricProducer the {@code MetricProducer} to be added to the manager. - * @since 0.16 - */ - public abstract void add(MetricProducer metricProducer); - - /** - * Removes the {@link MetricProducer} to the manager if it is present. - * - * @param metricProducer the {@code MetricProducer} to be removed from the manager. - * @since 0.16 - */ - public abstract void remove(MetricProducer metricProducer); - - /** - * Returns all registered {@link MetricProducer}s that should be exported. - * - * <p>This method should be used by any metrics exporter that automatically exports data for - * {@code MetricProducer} registered with the {@code MetricProducerManager}. - * - * @return all registered {@code MetricProducer}s that should be exported. - * @since 0.16 - */ - public abstract Set<MetricProducer> getAllMetricProducer(); - - /** - * Returns a no-op implementation for {@link MetricProducerManager}. - * - * @return a no-op implementation for {@code MetricProducerManager}. - */ - static MetricProducerManager newNoopMetricProducerManager() { - return new NoopMetricProducerManager(); - } - - private static final class NoopMetricProducerManager extends MetricProducerManager { - - @Override - public void add(MetricProducer metricProducer) { - Utils.checkNotNull(metricProducer, "metricProducer"); - } - - @Override - public void remove(MetricProducer metricProducer) { - Utils.checkNotNull(metricProducer, "metricProducer"); - } - - @Override - public Set<MetricProducer> getAllMetricProducer() { - return Collections.emptySet(); - } - } -} diff --git a/api/src/main/java/io/opencensus/metrics/package-info.java b/api/src/main/java/io/opencensus/metrics/package-info.java deleted file mode 100644 index 33eadf0c..00000000 --- a/api/src/main/java/io/opencensus/metrics/package-info.java +++ /dev/null @@ -1,32 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/** - * This package describes the Metrics data model. Metrics are a data model for what stats exporters - * take as input. This data model may eventually become the wire format for metrics. - * - * <p>WARNING: Currently all the public classes under this package are marked as {@link - * io.opencensus.common.ExperimentalApi}. The classes and APIs under {@link io.opencensus.metrics} - * are likely to get backwards-incompatible updates in the future. DO NOT USE except for - * experimental purposes. - * - * <p>Please see - * https://github.com/census-instrumentation/opencensus-specs/blob/master/stats/Metrics.md and - * https://github.com/census-instrumentation/opencensus-proto/blob/master/opencensus/proto/stats/metrics/metrics.proto - * for more details. - */ -@io.opencensus.common.ExperimentalApi -package io.opencensus.metrics; diff --git a/api/src/test/java/io/opencensus/metrics/DistributionTest.java b/api/src/test/java/io/opencensus/metrics/DistributionTest.java deleted file mode 100644 index d511e317..00000000 --- a/api/src/test/java/io/opencensus/metrics/DistributionTest.java +++ /dev/null @@ -1,226 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import static com.google.common.truth.Truth.assertThat; - -import com.google.common.testing.EqualsTester; -import io.opencensus.common.Timestamp; -import io.opencensus.metrics.Distribution.Bucket; -import io.opencensus.metrics.Distribution.Exemplar; -import java.util.Arrays; -import java.util.Collections; -import java.util.List; -import java.util.Map; -import org.junit.Rule; -import org.junit.Test; -import org.junit.rules.ExpectedException; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link Value}. */ -@RunWith(JUnit4.class) -public class DistributionTest { - - @Rule public final ExpectedException thrown = ExpectedException.none(); - - private static final Timestamp TIMESTAMP = Timestamp.create(1, 0); - private static final Map<String, String> ATTACHMENTS = Collections.singletonMap("key", "value"); - - @Test - public void createAndGet_Bucket() { - Bucket bucket = Bucket.create(98); - assertThat(bucket.getCount()).isEqualTo(98); - assertThat(bucket.getExemplar()).isNull(); - } - - @Test - public void createAndGet_BucketWithExemplar() { - Exemplar exemplar = Exemplar.create(12.2, TIMESTAMP, ATTACHMENTS); - Bucket bucket = Bucket.create(7, exemplar); - assertThat(bucket.getCount()).isEqualTo(7); - assertThat(bucket.getExemplar()).isEqualTo(exemplar); - } - - @Test - public void createBucket_preventNullExemplar() { - thrown.expect(NullPointerException.class); - thrown.expectMessage("exemplar"); - Bucket.create(1, null); - } - - @Test - public void createAndGet_Exemplar() { - Exemplar exemplar = Exemplar.create(-9.9, TIMESTAMP, ATTACHMENTS); - assertThat(exemplar.getValue()).isEqualTo(-9.9); - assertThat(exemplar.getTimestamp()).isEqualTo(TIMESTAMP); - assertThat(exemplar.getAttachments()).isEqualTo(ATTACHMENTS); - } - - @Test - public void createAndGet_Distribution() { - Exemplar exemplar = Exemplar.create(15.0, TIMESTAMP, ATTACHMENTS); - List<Double> bucketBounds = Arrays.asList(-1.0, 0.0, 1.0); - List<Bucket> buckets = - Arrays.asList( - Bucket.create(3), Bucket.create(1), Bucket.create(2), Bucket.create(4, exemplar)); - Distribution distribution = Distribution.create(6.6, 10, 678.54, bucketBounds, buckets); - assertThat(distribution.getMean()).isEqualTo(6.6); - assertThat(distribution.getCount()).isEqualTo(10); - assertThat(distribution.getSumOfSquaredDeviations()).isEqualTo(678.54); - assertThat(distribution.getBucketBoundaries()) - .containsExactlyElementsIn(bucketBounds) - .inOrder(); - assertThat(distribution.getBuckets()).containsExactlyElementsIn(buckets).inOrder(); - } - - @Test - public void createBucket_NegativeCount() { - thrown.expect(IllegalArgumentException.class); - thrown.expectMessage("bucket count should be non-negative."); - Bucket.create(-5); - } - - @Test - public void createExemplar_PreventNullAttachments() { - thrown.expect(NullPointerException.class); - thrown.expectMessage("attachments"); - Exemplar.create(15, TIMESTAMP, null); - } - - @Test - public void createExemplar_PreventNullAttachmentKey() { - Map<String, String> attachments = Collections.singletonMap(null, "value"); - thrown.expect(NullPointerException.class); - thrown.expectMessage("key of attachment"); - Exemplar.create(15, TIMESTAMP, attachments); - } - - @Test - public void createExemplar_PreventNullAttachmentValue() { - Map<String, String> attachments = Collections.singletonMap("key", null); - thrown.expect(NullPointerException.class); - thrown.expectMessage("value of attachment"); - Exemplar.create(15, TIMESTAMP, attachments); - } - - @Test - public void createDistribution_NegativeCount() { - List<Double> bucketBounds = Arrays.asList(-1.0, 0.0, 1.0); - List<Bucket> buckets = - Arrays.asList(Bucket.create(3), Bucket.create(1), Bucket.create(2), Bucket.create(4)); - thrown.expect(IllegalArgumentException.class); - thrown.expectMessage("count should be non-negative."); - Distribution.create(6.6, -10, 678.54, bucketBounds, buckets); - } - - @Test - public void createDistribution_NegativeSumOfSquaredDeviations() { - List<Double> bucketBounds = Arrays.asList(-1.0, 0.0, 1.0); - List<Bucket> buckets = - Arrays.asList(Bucket.create(0), Bucket.create(0), Bucket.create(0), Bucket.create(0)); - thrown.expect(IllegalArgumentException.class); - thrown.expectMessage("sum of squared deviations should be non-negative."); - Distribution.create(6.6, 0, -678.54, bucketBounds, buckets); - } - - @Test - public void createDistribution_ZeroCountAndPositiveMean() { - List<Double> bucketBounds = Arrays.asList(-1.0, 0.0, 1.0); - List<Bucket> buckets = - Arrays.asList(Bucket.create(0), Bucket.create(0), Bucket.create(0), Bucket.create(0)); - thrown.expect(IllegalArgumentException.class); - thrown.expectMessage("mean should be 0 if count is 0."); - Distribution.create(6.6, 0, 0, bucketBounds, buckets); - } - - @Test - public void createDistribution_ZeroCountAndSumOfSquaredDeviations() { - List<Double> bucketBounds = Arrays.asList(-1.0, 0.0, 1.0); - List<Bucket> buckets = - Arrays.asList(Bucket.create(0), Bucket.create(0), Bucket.create(0), Bucket.create(0)); - thrown.expect(IllegalArgumentException.class); - thrown.expectMessage("sum of squared deviations should be 0 if count is 0."); - Distribution.create(0, 0, 678.54, bucketBounds, buckets); - } - - @Test - public void createDistribution_NullBucketBounds() { - List<Bucket> buckets = - Arrays.asList(Bucket.create(3), Bucket.create(1), Bucket.create(2), Bucket.create(4)); - thrown.expect(NullPointerException.class); - thrown.expectMessage("bucketBoundaries list should not be null."); - Distribution.create(6.6, 10, 678.54, null, buckets); - } - - @Test - public void createDistribution_UnorderedBucketBounds() { - List<Double> bucketBounds = Arrays.asList(0.0, -1.0, 1.0); - List<Bucket> buckets = - Arrays.asList(Bucket.create(3), Bucket.create(1), Bucket.create(2), Bucket.create(4)); - thrown.expect(IllegalArgumentException.class); - thrown.expectMessage("bucket boundaries not sorted."); - Distribution.create(6.6, 10, 678.54, bucketBounds, buckets); - } - - @Test - public void createDistribution_NullBucketList() { - List<Double> bucketBounds = Arrays.asList(-1.0, 0.0, 1.0); - thrown.expect(NullPointerException.class); - thrown.expectMessage("bucket list should not be null."); - Distribution.create(6.6, 10, 678.54, bucketBounds, null); - } - - @Test - public void createDistribution_NullBucket() { - List<Double> bucketBounds = Arrays.asList(-1.0, 0.0, 1.0); - List<Bucket> buckets = - Arrays.asList(Bucket.create(3), Bucket.create(1), null, Bucket.create(4)); - thrown.expect(NullPointerException.class); - thrown.expectMessage("bucket should not be null."); - Distribution.create(6.6, 10, 678.54, bucketBounds, buckets); - } - - @Test - public void testEquals() { - new EqualsTester() - .addEqualityGroup( - Distribution.create( - 10, - 10, - 1, - Arrays.asList(-5.0, 0.0, 5.0), - Arrays.asList( - Bucket.create(3), Bucket.create(1), Bucket.create(2), Bucket.create(4))), - Distribution.create( - 10, - 10, - 1, - Arrays.asList(-5.0, 0.0, 5.0), - Arrays.asList( - Bucket.create(3), Bucket.create(1), Bucket.create(2), Bucket.create(4)))) - .addEqualityGroup( - Distribution.create( - -7, - 10, - 23.456, - Arrays.asList(-5.0, 0.0, 5.0), - Arrays.asList( - Bucket.create(3), Bucket.create(1), Bucket.create(2), Bucket.create(4)))) - .testEquals(); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/LabelKeyTest.java b/api/src/test/java/io/opencensus/metrics/LabelKeyTest.java deleted file mode 100644 index 83f2b59a..00000000 --- a/api/src/test/java/io/opencensus/metrics/LabelKeyTest.java +++ /dev/null @@ -1,86 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import static com.google.common.truth.Truth.assertThat; - -import com.google.common.testing.EqualsTester; -import java.util.Arrays; -import org.junit.Test; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link LabelKey}. */ -@RunWith(JUnit4.class) -public class LabelKeyTest { - - private static final LabelKey KEY = LabelKey.create("key", "description"); - - @Test - public void testGetKey() { - assertThat(KEY.getKey()).isEqualTo("key"); - } - - @Test - public void testGetDescription() { - assertThat(KEY.getDescription()).isEqualTo("description"); - } - - @Test - public void create_NoLengthConstraint() { - // We have a length constraint of 256-characters for TagKey. That constraint doesn't apply to - // LabelKey. - char[] chars = new char[300]; - Arrays.fill(chars, 'k'); - String key = new String(chars); - assertThat(LabelKey.create(key, "").getKey()).isEqualTo(key); - } - - @Test - public void create_WithUnprintableChars() { - String key = "\2ab\3cd"; - String description = "\4ef\5gh"; - LabelKey labelKey = LabelKey.create(key, description); - assertThat(labelKey.getKey()).isEqualTo(key); - assertThat(labelKey.getDescription()).isEqualTo(description); - } - - @Test - public void create_WithNonAsciiChars() { - String key = "键"; - String description = "测试用键"; - LabelKey nonAsciiKey = LabelKey.create(key, description); - assertThat(nonAsciiKey.getKey()).isEqualTo(key); - assertThat(nonAsciiKey.getDescription()).isEqualTo(description); - } - - @Test - public void create_Empty() { - LabelKey emptyKey = LabelKey.create("", ""); - assertThat(emptyKey.getKey()).isEmpty(); - assertThat(emptyKey.getDescription()).isEmpty(); - } - - @Test - public void testLabelKeyEquals() { - new EqualsTester() - .addEqualityGroup(LabelKey.create("foo", ""), LabelKey.create("foo", "")) - .addEqualityGroup(LabelKey.create("foo", "description")) - .addEqualityGroup(LabelKey.create("bar", "")) - .testEquals(); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/LabelValueTest.java b/api/src/test/java/io/opencensus/metrics/LabelValueTest.java deleted file mode 100644 index e5526b2f..00000000 --- a/api/src/test/java/io/opencensus/metrics/LabelValueTest.java +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import static com.google.common.truth.Truth.assertThat; - -import com.google.common.testing.EqualsTester; -import java.util.Arrays; -import org.junit.Test; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link LabelValue}. */ -@RunWith(JUnit4.class) -public class LabelValueTest { - - private static final LabelValue VALUE = LabelValue.create("value"); - private static final LabelValue UNSET = LabelValue.create(null); - private static final LabelValue EMPTY = LabelValue.create(""); - - @Test - public void testGetValue() { - assertThat(VALUE.getValue()).isEqualTo("value"); - assertThat(UNSET.getValue()).isNull(); - assertThat(EMPTY.getValue()).isEmpty(); - } - - @Test - public void create_NoLengthConstraint() { - // We have a length constraint of 256-characters for TagValue. That constraint doesn't apply to - // LabelValue. - char[] chars = new char[300]; - Arrays.fill(chars, 'v'); - String value = new String(chars); - assertThat(LabelValue.create(value).getValue()).isEqualTo(value); - } - - @Test - public void create_WithUnprintableChars() { - String value = "\2ab\3cd"; - assertThat(LabelValue.create(value).getValue()).isEqualTo(value); - } - - @Test - public void create_WithNonAsciiChars() { - String value = "值"; - LabelValue nonAsciiValue = LabelValue.create(value); - assertThat(nonAsciiValue.getValue()).isEqualTo(value); - } - - @Test - public void testLabelValueEquals() { - new EqualsTester() - .addEqualityGroup(LabelValue.create("foo"), LabelValue.create("foo")) - .addEqualityGroup(UNSET) - .addEqualityGroup(EMPTY) - .addEqualityGroup(LabelValue.create("bar")) - .testEquals(); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/MetricDescriptorTest.java b/api/src/test/java/io/opencensus/metrics/MetricDescriptorTest.java deleted file mode 100644 index 9c0a42fc..00000000 --- a/api/src/test/java/io/opencensus/metrics/MetricDescriptorTest.java +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import static com.google.common.truth.Truth.assertThat; - -import com.google.common.testing.EqualsTester; -import io.opencensus.metrics.MetricDescriptor.Type; -import java.util.Arrays; -import java.util.List; -import org.hamcrest.CoreMatchers; -import org.junit.Rule; -import org.junit.Test; -import org.junit.rules.ExpectedException; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link MetricDescriptor}. */ -@RunWith(JUnit4.class) -public class MetricDescriptorTest { - - @Rule public final ExpectedException thrown = ExpectedException.none(); - - private static final String METRIC_NAME_1 = "metric1"; - private static final String METRIC_NAME_2 = "metric2"; - private static final String DESCRIPTION = "Metric description."; - private static final String UNIT = "kb/s"; - private static final LabelKey KEY_1 = LabelKey.create("key1", "some key"); - private static final LabelKey KEY_2 = LabelKey.create("key2", "some other key"); - - @Test - public void testGet() { - MetricDescriptor metricDescriptor = - MetricDescriptor.create( - METRIC_NAME_1, DESCRIPTION, UNIT, Type.GAUGE_DOUBLE, Arrays.asList(KEY_1, KEY_2)); - assertThat(metricDescriptor.getName()).isEqualTo(METRIC_NAME_1); - assertThat(metricDescriptor.getDescription()).isEqualTo(DESCRIPTION); - assertThat(metricDescriptor.getUnit()).isEqualTo(UNIT); - assertThat(metricDescriptor.getType()).isEqualTo(Type.GAUGE_DOUBLE); - assertThat(metricDescriptor.getLabelKeys()).containsExactly(KEY_1, KEY_2).inOrder(); - } - - @Test - public void preventNullLabelKeyList() { - thrown.expect(NullPointerException.class); - thrown.expectMessage(CoreMatchers.equalTo("labelKeys")); - MetricDescriptor.create(METRIC_NAME_1, DESCRIPTION, UNIT, Type.GAUGE_DOUBLE, null); - } - - @Test - public void preventNullLabelKey() { - List<LabelKey> keys = Arrays.asList(KEY_1, null); - thrown.expect(NullPointerException.class); - thrown.expectMessage(CoreMatchers.equalTo("labelKey")); - MetricDescriptor.create(METRIC_NAME_1, DESCRIPTION, UNIT, Type.GAUGE_DOUBLE, keys); - } - - @Test - public void testEquals() { - new EqualsTester() - .addEqualityGroup( - MetricDescriptor.create( - METRIC_NAME_1, DESCRIPTION, UNIT, Type.GAUGE_DOUBLE, Arrays.asList(KEY_1, KEY_2)), - MetricDescriptor.create( - METRIC_NAME_1, DESCRIPTION, UNIT, Type.GAUGE_DOUBLE, Arrays.asList(KEY_1, KEY_2))) - .addEqualityGroup( - MetricDescriptor.create( - METRIC_NAME_2, DESCRIPTION, UNIT, Type.GAUGE_DOUBLE, Arrays.asList(KEY_1, KEY_2))) - .addEqualityGroup( - MetricDescriptor.create( - METRIC_NAME_2, DESCRIPTION, UNIT, Type.GAUGE_INT64, Arrays.asList(KEY_1, KEY_2))) - .addEqualityGroup( - MetricDescriptor.create( - METRIC_NAME_1, - DESCRIPTION, - UNIT, - Type.CUMULATIVE_DISTRIBUTION, - Arrays.asList(KEY_1, KEY_2))) - .addEqualityGroup( - MetricDescriptor.create( - METRIC_NAME_1, - DESCRIPTION, - UNIT, - Type.CUMULATIVE_DISTRIBUTION, - Arrays.asList(KEY_1))) - .testEquals(); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/MetricRegistryTest.java b/api/src/test/java/io/opencensus/metrics/MetricRegistryTest.java deleted file mode 100644 index 49e8ce02..00000000 --- a/api/src/test/java/io/opencensus/metrics/MetricRegistryTest.java +++ /dev/null @@ -1,185 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import io.opencensus.common.ToDoubleFunction; -import io.opencensus.common.ToLongFunction; -import java.util.LinkedHashMap; -import org.junit.Rule; -import org.junit.Test; -import org.junit.rules.ExpectedException; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link MetricRegistry}. */ -@RunWith(JUnit4.class) -public class MetricRegistryTest { - @Rule public ExpectedException thrown = ExpectedException.none(); - - private final MetricRegistry metricRegistry = - MetricsComponent.newNoopMetricsComponent().getMetricRegistry(); - - @Test - public void addDoubleGauge_NullName() { - thrown.expect(NullPointerException.class); - metricRegistry.addDoubleGauge( - null, - "description", - "1", - new LinkedHashMap<LabelKey, LabelValue>(), - null, - new ToDoubleFunction<Object>() { - @Override - public double applyAsDouble(Object value) { - return 5.0; - } - }); - } - - @Test - public void addDoubleGauge_NullDescription() { - thrown.expect(NullPointerException.class); - metricRegistry.addDoubleGauge( - "name", - null, - "1", - new LinkedHashMap<LabelKey, LabelValue>(), - null, - new ToDoubleFunction<Object>() { - @Override - public double applyAsDouble(Object value) { - return 5.0; - } - }); - } - - @Test - public void addDoubleGauge_NullUnit() { - thrown.expect(NullPointerException.class); - metricRegistry.addDoubleGauge( - "name", - "description", - null, - new LinkedHashMap<LabelKey, LabelValue>(), - null, - new ToDoubleFunction<Object>() { - @Override - public double applyAsDouble(Object value) { - return 5.0; - } - }); - } - - @Test - public void addDoubleGauge_NullLabels() { - thrown.expect(NullPointerException.class); - metricRegistry.addDoubleGauge( - "name", - "description", - "1", - null, - null, - new ToDoubleFunction<Object>() { - @Override - public double applyAsDouble(Object value) { - return 5.0; - } - }); - } - - @Test - public void addDoubleGauge_NullFunction() { - thrown.expect(NullPointerException.class); - metricRegistry.addDoubleGauge( - "name", "description", "1", new LinkedHashMap<LabelKey, LabelValue>(), null, null); - } - - @Test - public void addLongGauge_NullName() { - thrown.expect(NullPointerException.class); - metricRegistry.addLongGauge( - null, - "description", - "1", - new LinkedHashMap<LabelKey, LabelValue>(), - null, - new ToLongFunction<Object>() { - @Override - public long applyAsLong(Object value) { - return 5; - } - }); - } - - @Test - public void addLongGauge_NullDescription() { - thrown.expect(NullPointerException.class); - metricRegistry.addLongGauge( - "name", - null, - "1", - new LinkedHashMap<LabelKey, LabelValue>(), - null, - new ToLongFunction<Object>() { - @Override - public long applyAsLong(Object value) { - return 5; - } - }); - } - - @Test - public void addLongGauge_NullUnit() { - thrown.expect(NullPointerException.class); - metricRegistry.addLongGauge( - "name", - "description", - null, - new LinkedHashMap<LabelKey, LabelValue>(), - null, - new ToLongFunction<Object>() { - @Override - public long applyAsLong(Object value) { - return 5; - } - }); - } - - @Test - public void addLongGauge_NullLabels() { - thrown.expect(NullPointerException.class); - metricRegistry.addLongGauge( - "name", - "description", - "1", - null, - null, - new ToLongFunction<Object>() { - @Override - public long applyAsLong(Object value) { - return 5; - } - }); - } - - @Test - public void addLongGauge_NullFunction() { - thrown.expect(NullPointerException.class); - metricRegistry.addLongGauge( - "name", "description", "1", new LinkedHashMap<LabelKey, LabelValue>(), null, null); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/MetricTest.java b/api/src/test/java/io/opencensus/metrics/MetricTest.java deleted file mode 100644 index 37deed4b..00000000 --- a/api/src/test/java/io/opencensus/metrics/MetricTest.java +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import static com.google.common.truth.Truth.assertThat; - -import com.google.common.testing.EqualsTester; -import io.opencensus.common.Timestamp; -import io.opencensus.metrics.MetricDescriptor.Type; -import java.util.Arrays; -import java.util.Collections; -import java.util.List; -import org.junit.Rule; -import org.junit.Test; -import org.junit.rules.ExpectedException; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link Metric}. */ -@RunWith(JUnit4.class) -public class MetricTest { - - @Rule public final ExpectedException thrown = ExpectedException.none(); - - private static final String METRIC_NAME_1 = "metric1"; - private static final String METRIC_NAME_2 = "metric2"; - private static final String DESCRIPTION = "Metric description."; - private static final String UNIT = "kb/s"; - private static final LabelKey KEY_1 = LabelKey.create("key1", "some key"); - private static final LabelKey KEY_2 = LabelKey.create("key1", "some other key"); - private static final MetricDescriptor METRIC_DESCRIPTOR_1 = - MetricDescriptor.create( - METRIC_NAME_1, DESCRIPTION, UNIT, Type.GAUGE_DOUBLE, Arrays.asList(KEY_1, KEY_2)); - private static final MetricDescriptor METRIC_DESCRIPTOR_2 = - MetricDescriptor.create( - METRIC_NAME_2, DESCRIPTION, UNIT, Type.CUMULATIVE_INT64, Arrays.asList(KEY_1)); - private static final LabelValue LABEL_VALUE_1 = LabelValue.create("value1"); - private static final LabelValue LABEL_VALUE_2 = LabelValue.create("value1"); - private static final LabelValue LABEL_VALUE_EMPTY = LabelValue.create(""); - private static final Value VALUE_LONG = Value.longValue(12345678); - private static final Value VALUE_DOUBLE_1 = Value.doubleValue(-345.77); - private static final Value VALUE_DOUBLE_2 = Value.doubleValue(133.79); - private static final Timestamp TIMESTAMP_1 = Timestamp.fromMillis(1000); - private static final Timestamp TIMESTAMP_2 = Timestamp.fromMillis(2000); - private static final Timestamp TIMESTAMP_3 = Timestamp.fromMillis(3000); - private static final Point POINT_1 = Point.create(VALUE_DOUBLE_1, TIMESTAMP_2); - private static final Point POINT_2 = Point.create(VALUE_DOUBLE_2, TIMESTAMP_3); - private static final Point POINT_3 = Point.create(VALUE_LONG, TIMESTAMP_3); - private static final TimeSeries GAUGE_TIME_SERIES_1 = - TimeSeries.create(Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), null); - private static final TimeSeries GAUGE_TIME_SERIES_2 = - TimeSeries.create(Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_2), null); - private static final TimeSeries CUMULATIVE_TIME_SERIES = - TimeSeries.create(Arrays.asList(LABEL_VALUE_EMPTY), Arrays.asList(POINT_3), TIMESTAMP_1); - - @Test - public void testGet() { - Metric metric = - Metric.create(METRIC_DESCRIPTOR_1, Arrays.asList(GAUGE_TIME_SERIES_1, GAUGE_TIME_SERIES_2)); - assertThat(metric.getMetricDescriptor()).isEqualTo(METRIC_DESCRIPTOR_1); - assertThat(metric.getTimeSeriesList()) - .containsExactly(GAUGE_TIME_SERIES_1, GAUGE_TIME_SERIES_2) - .inOrder(); - } - - @Test - public void typeMismatch_GaugeDouble_Long() { - typeMismatch( - METRIC_DESCRIPTOR_1, - Arrays.asList(CUMULATIVE_TIME_SERIES), - String.format("Type mismatch: %s, %s.", Type.GAUGE_DOUBLE, "ValueLong")); - } - - @Test - public void typeMismatch_CumulativeInt64_Double() { - typeMismatch( - METRIC_DESCRIPTOR_2, - Arrays.asList(GAUGE_TIME_SERIES_1), - String.format("Type mismatch: %s, %s.", Type.CUMULATIVE_INT64, "ValueDouble")); - } - - private void typeMismatch( - MetricDescriptor metricDescriptor, List<TimeSeries> timeSeriesList, String errorMessage) { - thrown.expect(IllegalArgumentException.class); - thrown.expectMessage(errorMessage); - Metric.create(metricDescriptor, timeSeriesList); - } - - @Test - public void testEquals() { - new EqualsTester() - .addEqualityGroup( - Metric.create( - METRIC_DESCRIPTOR_1, Arrays.asList(GAUGE_TIME_SERIES_1, GAUGE_TIME_SERIES_2)), - Metric.create( - METRIC_DESCRIPTOR_1, Arrays.asList(GAUGE_TIME_SERIES_1, GAUGE_TIME_SERIES_2))) - .addEqualityGroup(Metric.create(METRIC_DESCRIPTOR_1, Collections.<TimeSeries>emptyList())) - .addEqualityGroup(Metric.create(METRIC_DESCRIPTOR_2, Arrays.asList(CUMULATIVE_TIME_SERIES))) - .addEqualityGroup(Metric.create(METRIC_DESCRIPTOR_2, Collections.<TimeSeries>emptyList())) - .testEquals(); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/MetricsComponentTest.java b/api/src/test/java/io/opencensus/metrics/MetricsComponentTest.java deleted file mode 100644 index 1c4e70f7..00000000 --- a/api/src/test/java/io/opencensus/metrics/MetricsComponentTest.java +++ /dev/null @@ -1,40 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import static com.google.common.truth.Truth.assertThat; - -import io.opencensus.metrics.export.ExportComponent; -import org.junit.Test; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link MetricsComponent}. */ -@RunWith(JUnit4.class) -public class MetricsComponentTest { - @Test - public void defaultExportComponent() { - assertThat(MetricsComponent.newNoopMetricsComponent().getExportComponent()) - .isInstanceOf(ExportComponent.newNoopExportComponent().getClass()); - } - - @Test - public void defaultMetricRegistry() { - assertThat(MetricsComponent.newNoopMetricsComponent().getMetricRegistry()) - .isInstanceOf(MetricRegistry.newNoopMetricRegistry().getClass()); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/MetricsTest.java b/api/src/test/java/io/opencensus/metrics/MetricsTest.java deleted file mode 100644 index 9e0eee1f..00000000 --- a/api/src/test/java/io/opencensus/metrics/MetricsTest.java +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import static com.google.common.truth.Truth.assertThat; - -import io.opencensus.metrics.export.ExportComponent; -import org.junit.Rule; -import org.junit.Test; -import org.junit.rules.ExpectedException; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link Metrics}. */ -@RunWith(JUnit4.class) -public class MetricsTest { - @Rule public ExpectedException thrown = ExpectedException.none(); - - @Test - public void loadMetricsComponent_UsesProvidedClassLoader() { - final RuntimeException toThrow = new RuntimeException("UseClassLoader"); - thrown.expect(RuntimeException.class); - thrown.expectMessage("UseClassLoader"); - Metrics.loadMetricsComponent( - new ClassLoader() { - @Override - public Class<?> loadClass(String name) { - throw toThrow; - } - }); - } - - @Test - public void loadMetricsComponent_IgnoresMissingClasses() { - ClassLoader classLoader = - new ClassLoader() { - @Override - public Class<?> loadClass(String name) throws ClassNotFoundException { - throw new ClassNotFoundException(); - } - }; - assertThat(Metrics.loadMetricsComponent(classLoader).getClass().getName()) - .isEqualTo("io.opencensus.metrics.MetricsComponent$NoopMetricsComponent"); - } - - @Test - public void defaultExportComponent() { - assertThat(Metrics.getExportComponent()) - .isInstanceOf(ExportComponent.newNoopExportComponent().getClass()); - } - - @Test - public void defaultMetricRegistry() { - assertThat(Metrics.getMetricRegistry()) - .isInstanceOf(MetricRegistry.newNoopMetricRegistry().getClass()); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/PointTest.java b/api/src/test/java/io/opencensus/metrics/PointTest.java deleted file mode 100644 index cb6175c1..00000000 --- a/api/src/test/java/io/opencensus/metrics/PointTest.java +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import static com.google.common.truth.Truth.assertThat; - -import com.google.common.testing.EqualsTester; -import io.opencensus.common.Timestamp; -import io.opencensus.metrics.Distribution.Bucket; -import java.util.Arrays; -import org.junit.Test; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link Point}. */ -@RunWith(JUnit4.class) -public class PointTest { - - private static final Value DOUBLE_VALUE = Value.doubleValue(55.5); - private static final Value LONG_VALUE = Value.longValue(9876543210L); - private static final Value DISTRIBUTION_VALUE = - Value.distributionValue( - Distribution.create( - 6.6, - 10, - 678.54, - Arrays.asList(-1.0, 0.0, 1.0), - Arrays.asList( - Bucket.create(3), Bucket.create(1), Bucket.create(2), Bucket.create(4)))); - private static final Timestamp TIMESTAMP_1 = Timestamp.create(1, 2); - private static final Timestamp TIMESTAMP_2 = Timestamp.create(3, 4); - private static final Timestamp TIMESTAMP_3 = Timestamp.create(5, 6); - - @Test - public void testGet() { - Point point = Point.create(DOUBLE_VALUE, TIMESTAMP_1); - assertThat(point.getValue()).isEqualTo(DOUBLE_VALUE); - assertThat(point.getTimestamp()).isEqualTo(TIMESTAMP_1); - } - - @Test - public void testEquals() { - new EqualsTester() - .addEqualityGroup( - Point.create(DOUBLE_VALUE, TIMESTAMP_1), Point.create(DOUBLE_VALUE, TIMESTAMP_1)) - .addEqualityGroup(Point.create(LONG_VALUE, TIMESTAMP_1)) - .addEqualityGroup(Point.create(LONG_VALUE, TIMESTAMP_2)) - .addEqualityGroup( - Point.create(DISTRIBUTION_VALUE, TIMESTAMP_2), - Point.create(DISTRIBUTION_VALUE, TIMESTAMP_2)) - .addEqualityGroup(Point.create(DISTRIBUTION_VALUE, TIMESTAMP_3)) - .testEquals(); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/TimeSeriesTest.java b/api/src/test/java/io/opencensus/metrics/TimeSeriesTest.java deleted file mode 100644 index 07dff97d..00000000 --- a/api/src/test/java/io/opencensus/metrics/TimeSeriesTest.java +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import static com.google.common.truth.Truth.assertThat; - -import com.google.common.testing.EqualsTester; -import io.opencensus.common.Timestamp; -import java.util.Arrays; -import java.util.Collections; -import java.util.List; -import org.hamcrest.CoreMatchers; -import org.junit.Rule; -import org.junit.Test; -import org.junit.rules.ExpectedException; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link TimeSeries}. */ -@RunWith(JUnit4.class) -public class TimeSeriesTest { - - @Rule public ExpectedException thrown = ExpectedException.none(); - - private static final LabelValue LABEL_VALUE_1 = LabelValue.create("value1"); - private static final LabelValue LABEL_VALUE_2 = LabelValue.create("value2"); - private static final Value VALUE_LONG = Value.longValue(12345678); - private static final Value VALUE_DOUBLE = Value.doubleValue(-345.77); - private static final Timestamp TIMESTAMP_1 = Timestamp.fromMillis(1000); - private static final Timestamp TIMESTAMP_2 = Timestamp.fromMillis(2000); - private static final Timestamp TIMESTAMP_3 = Timestamp.fromMillis(3000); - private static final Point POINT_1 = Point.create(VALUE_DOUBLE, TIMESTAMP_2); - private static final Point POINT_2 = Point.create(VALUE_LONG, TIMESTAMP_3); - - @Test - public void testGet_TimeSeries() { - TimeSeries cumulativeTimeSeries = - TimeSeries.create( - Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), TIMESTAMP_1); - assertThat(cumulativeTimeSeries.getStartTimestamp()).isEqualTo(TIMESTAMP_1); - assertThat(cumulativeTimeSeries.getLabelValues()) - .containsExactly(LABEL_VALUE_1, LABEL_VALUE_2) - .inOrder(); - assertThat(cumulativeTimeSeries.getPoints()).containsExactly(POINT_1).inOrder(); - } - - @Test - public void create_WithNullLabelValueList() { - thrown.expect(NullPointerException.class); - thrown.expectMessage(CoreMatchers.equalTo("labelValues")); - TimeSeries.create(null, Collections.<Point>emptyList(), TIMESTAMP_1); - } - - @Test - public void create_WithNullLabelValue() { - List<LabelValue> labelValues = Arrays.asList(LABEL_VALUE_1, null); - thrown.expect(NullPointerException.class); - thrown.expectMessage(CoreMatchers.equalTo("labelValue")); - TimeSeries.create(labelValues, Collections.<Point>emptyList(), TIMESTAMP_1); - } - - @Test - public void create_WithNullPointList() { - thrown.expect(NullPointerException.class); - thrown.expectMessage(CoreMatchers.equalTo("points")); - TimeSeries.create(Collections.<LabelValue>emptyList(), null, TIMESTAMP_1); - } - - @Test - public void create_WithNullPoint() { - List<Point> points = Arrays.asList(POINT_1, null); - thrown.expect(NullPointerException.class); - thrown.expectMessage(CoreMatchers.equalTo("point")); - TimeSeries.create(Collections.<LabelValue>emptyList(), points, TIMESTAMP_1); - } - - @Test - public void testEquals() { - new EqualsTester() - .addEqualityGroup( - TimeSeries.create( - Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), TIMESTAMP_1), - TimeSeries.create( - Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), TIMESTAMP_1)) - .addEqualityGroup( - TimeSeries.create( - Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), null), - TimeSeries.create( - Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), null)) - .addEqualityGroup( - TimeSeries.create( - Arrays.asList(LABEL_VALUE_1, LABEL_VALUE_2), Arrays.asList(POINT_1), TIMESTAMP_2)) - .addEqualityGroup( - TimeSeries.create(Arrays.asList(LABEL_VALUE_1), Arrays.asList(POINT_1), TIMESTAMP_2)) - .addEqualityGroup( - TimeSeries.create(Arrays.asList(LABEL_VALUE_1), Arrays.asList(POINT_2), TIMESTAMP_2)) - .addEqualityGroup( - TimeSeries.create( - Arrays.asList(LABEL_VALUE_1), Arrays.asList(POINT_1, POINT_2), TIMESTAMP_2)) - .testEquals(); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/ValueTest.java b/api/src/test/java/io/opencensus/metrics/ValueTest.java deleted file mode 100644 index 63430b28..00000000 --- a/api/src/test/java/io/opencensus/metrics/ValueTest.java +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics; - -import static com.google.common.truth.Truth.assertThat; - -import com.google.common.testing.EqualsTester; -import io.opencensus.common.Function; -import io.opencensus.common.Functions; -import io.opencensus.metrics.Distribution.Bucket; -import io.opencensus.metrics.Value.ValueDistribution; -import io.opencensus.metrics.Value.ValueDouble; -import io.opencensus.metrics.Value.ValueLong; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.List; -import org.junit.Test; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link Value}. */ -@RunWith(JUnit4.class) -public class ValueTest { - - private static final Distribution DISTRIBUTION = - Distribution.create( - 10, - 10, - 1, - Arrays.asList(-5.0, 0.0, 5.0), - Arrays.asList(Bucket.create(3), Bucket.create(1), Bucket.create(2), Bucket.create(4))); - - @Test - public void createAndGet_ValueDouble() { - Value value = Value.doubleValue(-34.56); - assertThat(value).isInstanceOf(ValueDouble.class); - assertThat(((ValueDouble) value).getValue()).isEqualTo(-34.56); - } - - @Test - public void createAndGet_ValueLong() { - Value value = Value.longValue(123456789); - assertThat(value).isInstanceOf(ValueLong.class); - assertThat(((ValueLong) value).getValue()).isEqualTo(123456789); - } - - @Test - public void createAndGet_ValueDistribution() { - Value value = Value.distributionValue(DISTRIBUTION); - assertThat(value).isInstanceOf(ValueDistribution.class); - assertThat(((ValueDistribution) value).getValue()).isEqualTo(DISTRIBUTION); - } - - @Test - public void testEquals() { - new EqualsTester() - .addEqualityGroup(Value.doubleValue(1.0), Value.doubleValue(1.0)) - .addEqualityGroup(Value.doubleValue(2.0)) - .addEqualityGroup(Value.longValue(1L)) - .addEqualityGroup(Value.longValue(2L)) - .addEqualityGroup( - Value.distributionValue( - Distribution.create( - -7, - 10, - 23.456, - Arrays.asList(-5.0, 0.0, 5.0), - Arrays.asList( - Bucket.create(3), Bucket.create(1), Bucket.create(2), Bucket.create(4))))) - .testEquals(); - } - - @Test - public void testMatch() { - List<Value> values = - Arrays.asList( - ValueDouble.create(1.0), ValueLong.create(-1), ValueDistribution.create(DISTRIBUTION)); - List<Number> expected = - Arrays.<Number>asList(1.0, -1L, 10.0, 10L, 1.0, -5.0, 0.0, 5.0, 3L, 1L, 2L, 4L); - final List<Number> actual = new ArrayList<Number>(); - for (Value value : values) { - value.match( - new Function<Double, Object>() { - @Override - public Object apply(Double arg) { - actual.add(arg); - return null; - } - }, - new Function<Long, Object>() { - @Override - public Object apply(Long arg) { - actual.add(arg); - return null; - } - }, - new Function<Distribution, Object>() { - @Override - public Object apply(Distribution arg) { - actual.add(arg.getMean()); - actual.add(arg.getCount()); - actual.add(arg.getSumOfSquaredDeviations()); - actual.addAll(arg.getBucketBoundaries()); - for (Bucket bucket : arg.getBuckets()) { - actual.add(bucket.getCount()); - } - return null; - } - }, - Functions.throwAssertionError()); - } - assertThat(actual).containsExactlyElementsIn(expected).inOrder(); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/export/ExportComponentTest.java b/api/src/test/java/io/opencensus/metrics/export/ExportComponentTest.java deleted file mode 100644 index 15c6e883..00000000 --- a/api/src/test/java/io/opencensus/metrics/export/ExportComponentTest.java +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics.export; - -import static com.google.common.truth.Truth.assertThat; - -import org.junit.Test; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; - -/** Unit tests for {@link ExportComponent}. */ -@RunWith(JUnit4.class) -public class ExportComponentTest { - @Test - public void defaultMetricExporter() { - assertThat(ExportComponent.newNoopExportComponent().getMetricProducerManager()) - .isInstanceOf(MetricProducerManager.class); - } -} diff --git a/api/src/test/java/io/opencensus/metrics/export/MetricProducerManagerTest.java b/api/src/test/java/io/opencensus/metrics/export/MetricProducerManagerTest.java deleted file mode 100644 index 07854927..00000000 --- a/api/src/test/java/io/opencensus/metrics/export/MetricProducerManagerTest.java +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright 2018, OpenCensus Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.opencensus.metrics.export; - -import static com.google.common.truth.Truth.assertThat; - -import io.opencensus.metrics.MetricProducer; -import org.junit.Before; -import org.junit.Rule; -import org.junit.Test; -import org.junit.rules.ExpectedException; -import org.junit.runner.RunWith; -import org.junit.runners.JUnit4; -import org.mockito.Mock; -import org.mockito.MockitoAnnotations; - -/** Unit tests for {@link MetricProducerManager}. */ -@RunWith(JUnit4.class) -public class MetricProducerManagerTest { - private final MetricProducerManager metricProducerManager = - MetricProducerManager.newNoopMetricProducerManager(); - @Mock private MetricProducer metricProducer; - - @Rule public final ExpectedException thrown = ExpectedException.none(); - - @Before - public void setUp() { - MockitoAnnotations.initMocks(this); - } - - @Test - public void add_DisallowsNull() { - thrown.expect(NullPointerException.class); - metricProducerManager.add(null); - } - - @Test - public void add() { - metricProducerManager.add(metricProducer); - assertThat(metricProducerManager.getAllMetricProducer()).isEmpty(); - } - - @Test - public void addAndRemove() { - metricProducerManager.add(metricProducer); - assertThat(metricProducerManager.getAllMetricProducer()).isEmpty(); - metricProducerManager.remove(metricProducer); - assertThat(metricProducerManager.getAllMetricProducer()).isEmpty(); - } - - @Test - public void remove_DisallowsNull() { - thrown.expect(NullPointerException.class); - metricProducerManager.remove(null); - } - - @Test - public void remove_FromEmpty() { - metricProducerManager.remove(metricProducer); - assertThat(metricProducerManager.getAllMetricProducer()).isEmpty(); - } - - @Test - public void getAllMetricProducer_empty() { - assertThat(metricProducerManager.getAllMetricProducer()).isEmpty(); - } -} |