eda92e08c3
(The exact change is slightly different in some cases, like when using custom subjects, but it's still a migration from named(...) to assertWithMessage(...).) Or, in one case, migrate from calling this.named(...) to overriding actualCustomStringRepresentation(). named(...) is being removed. This CL may modify the failure messages produced, but all the old information will still be present. Change-Id: I02219e5c502193e02e2c0abbf8eb9d73c406b0ee
66 lines
2.2 KiB
Java
66 lines
2.2 KiB
Java
// Copyright (C) 2019 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.testing;
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import static com.google.common.truth.Truth.assertWithMessage;
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import com.google.common.util.concurrent.ForwardingExecutorService;
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import com.google.common.util.concurrent.MoreExecutors;
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import java.util.concurrent.Callable;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Future;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* Forwards all calls to a direct executor making it so that the submitted {@link Runnable}s run
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* synchronously. Holds a count of the number of tasks that were executed.
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*/
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public class AssertableExecutorService extends ForwardingExecutorService {
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private final ExecutorService delegate = MoreExecutors.newDirectExecutorService();
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private final AtomicInteger numInteractions = new AtomicInteger();
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@Override
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protected ExecutorService delegate() {
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return delegate;
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}
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@Override
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public <T> Future<T> submit(Callable<T> task) {
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numInteractions.incrementAndGet();
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return super.submit(task);
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}
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@Override
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public Future<?> submit(Runnable task) {
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numInteractions.incrementAndGet();
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return super.submit(task);
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}
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@Override
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public <T> Future<T> submit(Runnable task, T result) {
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numInteractions.incrementAndGet();
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return super.submit(task, result);
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}
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/** Asserts and resets the number of executions this executor observed. */
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public void assertInteractions(int expectedNumInteractions) {
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assertWithMessage("expectedRunnablesSubmittedOnExecutor")
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.that(numInteractions.get())
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.isEqualTo(expectedNumInteractions);
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numInteractions.set(0);
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}
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}
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