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/*
* Copyright (C) 2009 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.cache;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import junit.framework.TestCase;
import java.util.concurrent.ExecutionException;
/**
* Unit test for {@link ForwardingLoadingCache}.
*
* @author Charles Fry
*/
public class ForwardingLoadingCacheTest extends TestCase {
private LoadingCache<String, Boolean> forward;
private LoadingCache<String, Boolean> mock;
@SuppressWarnings("unchecked") // createMock
@Override public void setUp() throws Exception {
super.setUp();
/*
* Class parameters must be raw, so we can't create a proxy with generic
* type arguments. The created proxy only records calls and returns null, so
* the type is irrelevant at runtime.
*/
mock = createMock(LoadingCache.class);
forward = new ForwardingLoadingCache<String, Boolean>() {
@Override protected LoadingCache<String, Boolean> delegate() {
return mock;
}
};
}
public void testGet() throws ExecutionException {
expect(mock.get("key")).andReturn(Boolean.TRUE);
replay(mock);
assertSame(Boolean.TRUE, forward.get("key"));
verify(mock);
}
public void testGetUnchecked() {
expect(mock.getUnchecked("key")).andReturn(Boolean.TRUE);
replay(mock);
assertSame(Boolean.TRUE, forward.getUnchecked("key"));
verify(mock);
}
public void testGetAll() throws ExecutionException {
expect(mock.getAll(ImmutableList.of("key"))).andReturn(ImmutableMap.of("key", Boolean.TRUE));
replay(mock);
assertEquals(ImmutableMap.of("key", Boolean.TRUE), forward.getAll(ImmutableList.of("key")));
verify(mock);
}
public void testApply() {
expect(mock.apply("key")).andReturn(Boolean.TRUE);
replay(mock);
assertSame(Boolean.TRUE, forward.apply("key"));
verify(mock);
}
public void testInvalidate() {
mock.invalidate("key");
replay(mock);
forward.invalidate("key");
verify(mock);
}
public void testRefresh() throws ExecutionException {
mock.refresh("key");
replay(mock);
forward.refresh("key");
verify(mock);
}
public void testInvalidateAll() {
mock.invalidateAll();
replay(mock);
forward.invalidateAll();
verify(mock);
}
public void testSize() {
expect(mock.size()).andReturn(0L);
replay(mock);
forward.size();
verify(mock);
}
public void testStats() {
expect(mock.stats()).andReturn(null);
replay(mock);
assertNull(forward.stats());
verify(mock);
}
public void testAsMap() {
expect(mock.asMap()).andReturn(null);
replay(mock);
assertNull(forward.asMap());
verify(mock);
}
public void testCleanUp() {
mock.cleanUp();
replay(mock);
forward.cleanUp();
verify(mock);
}
/**
* Make sure that all methods are forwarded.
*/
private static class OnlyGet<K, V> extends ForwardingLoadingCache<K, V> {
@Override
protected LoadingCache<K, V> delegate() {
return null;
}
}
}
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