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/*
* Copyright (C) 2012 The Guava 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 com.google.common.io;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import junit.framework.TestCase;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.List;
/**
* @param <S> the source or sink type
* @param <T> the data type (byte[] or String)
* @param <F> the factory type
* @author Colin Decker
*/
public class SourceSinkTester<S, T, F extends SourceSinkFactory<S, T>> extends TestCase {
static final String LOREM_IPSUM = "Lorem ipsum dolor sit amet, consectetur adipiscing "
+ "elit. Cras fringilla elit ac ipsum adipiscing vulputate. Maecenas in lorem nulla, ac "
+ "sollicitudin quam. Praesent neque elit, sodales quis vestibulum vel, pellentesque nec "
+ "erat. Proin cursus commodo lacus eget congue. Aliquam erat volutpat. Fusce ut leo sed "
+ "risus tempor vehicula et a odio. Nam aliquet dolor viverra libero rutrum accumsan quis "
+ "in augue. Suspendisse id dui in lorem tristique placerat eget vel risus. Sed metus neque, "
+ "scelerisque in molestie ac, mattis quis lectus. Pellentesque viverra justo commodo quam "
+ "bibendum ut gravida leo accumsan. Nullam malesuada sagittis diam, quis suscipit mauris "
+ "euismod vulputate. Pellentesque ultrices tellus sed lorem aliquet pulvinar. Nam lorem "
+ "nunc, ultrices at auctor non, scelerisque eget turpis. Nullam eget varius erat. Sed a "
+ "lorem id arcu dictum euismod. Fusce lectus odio, elementum ullamcorper mattis viverra, "
+ "dictum sit amet lacus.\n"
+ "\n"
+ "Nunc quis lacus est. Sed aliquam pretium cursus. Sed eu libero eros. In hac habitasse "
+ "platea dictumst. Pellentesque molestie, nibh nec iaculis luctus, justo sem lobortis enim, "
+ "at feugiat leo magna nec libero. Mauris quis odio eget nisl rutrum cursus nec eget augue. "
+ "Sed nec arcu sem. In hac habitasse platea dictumst.";
static final ImmutableMap<String, String> TEST_STRINGS
= ImmutableMap.<String, String>builder()
.put("empty", "")
.put("1 char", "0")
.put("1 word", "hello")
.put("2 words", "hello world")
.put("\\n line break", "hello\nworld")
.put("\\r line break", "hello\rworld")
.put("\\r\\n line break", "hello\r\nworld")
.put("\\n at EOF", "hello\nworld\n")
.put("\\r at EOF", "hello\nworld\r")
.put("lorem ipsum", LOREM_IPSUM)
.build();
protected final F factory;
protected final T data;
protected final T expected;
private final String suiteName;
private final String caseDesc;
SourceSinkTester(F factory, T data, String suiteName, String caseDesc, Method method) {
super(method.getName());
this.factory = checkNotNull(factory);
this.data = checkNotNull(data);
this.expected = checkNotNull(factory.getExpected(data));
this.suiteName = checkNotNull(suiteName);
this.caseDesc = checkNotNull(caseDesc);
}
@Override
public String getName() {
return super.getName() + " [" + suiteName + " [" + caseDesc + "]]";
}
protected static ImmutableList<String> getLines(final String string) {
try {
return new CharSource() {
@Override
public Reader openStream() throws IOException {
return new StringReader(string);
}
}.readLines();
} catch (IOException e) {
throw new AssertionError();
}
}
@Override
public void tearDown() throws IOException {
factory.tearDown();
}
static ImmutableList<Method> getTestMethods(Class<?> testClass) {
List<Method> result = Lists.newArrayList();
for (Method method : testClass.getDeclaredMethods()) {
if (Modifier.isPublic(method.getModifiers())
&& method.getReturnType() == void.class
&& method.getParameterTypes().length == 0
&& method.getName().startsWith("test")) {
result.add(method);
}
}
return ImmutableList.copyOf(result);
}
}
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