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b825a2b5a8
The only remaining methods on ExceptionRule after this are methods that also exist on ExpectedException, which will allow us to, in the next CL, swap out the one for the other and then run the automated refactoring to turn it all into assertThrows/expectThrows. Note that there were some assertions about root causes that couldn't easily be turned into ExpectedException invocations, so I simply converted them directly to usages of assertThrows/expectThrows. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=178623431
114 lines
4.6 KiB
Java
114 lines
4.6 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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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 google.registry.util;
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import static com.google.appengine.api.taskqueue.TaskOptions.Builder.withUrl;
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import static com.google.common.truth.Truth.assertThat;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.times;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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import com.google.appengine.api.taskqueue.Queue;
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import com.google.appengine.api.taskqueue.TaskHandle;
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import com.google.appengine.api.taskqueue.TaskOptions;
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import com.google.appengine.api.taskqueue.TransientFailureException;
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import com.google.common.collect.ImmutableList;
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import google.registry.testing.AppEngineRule;
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import google.registry.testing.ExceptionRule;
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import google.registry.testing.FakeClock;
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import google.registry.testing.FakeSleeper;
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import org.joda.time.DateTime;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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/** Unit tests for {@link TaskEnqueuer}. */
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@RunWith(JUnit4.class)
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public final class TaskEnqueuerTest {
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private static final int MAX_RETRIES = 3;
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@Rule
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public final ExceptionRule thrown = new ExceptionRule();
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@Rule
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public final AppEngineRule appEngine = AppEngineRule.builder()
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.withDatastore()
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.build();
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private final FakeClock clock = new FakeClock(DateTime.parse("2000-01-01TZ"));
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private final FakeSleeper sleeper = new FakeSleeper(clock);
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private final TaskEnqueuer taskEnqueuer =
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new TaskEnqueuer(new Retrier(sleeper, MAX_RETRIES));
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private final Queue queue = mock(Queue.class);
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private final TaskOptions task = withUrl("url").taskName("name");
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private final TaskHandle handle = new TaskHandle(task, "handle");
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@Test
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public void testEnqueue_worksOnFirstTry_doesntSleep() throws Exception {
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when(queue.add(ImmutableList.of(task))).thenReturn(ImmutableList.of(handle));
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assertThat(taskEnqueuer.enqueue(queue, task)).isSameAs(handle);
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verify(queue).add(ImmutableList.of(task));
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assertThat(clock.nowUtc()).isEqualTo(DateTime.parse("2000-01-01TZ"));
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}
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@Test
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public void testEnqueue_twoTransientErrorsThenSuccess_stillWorksAfterSleeping() throws Exception {
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when(queue.add(ImmutableList.of(task)))
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.thenThrow(new TransientFailureException(""))
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.thenThrow(new TransientFailureException(""))
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.thenReturn(ImmutableList.of(handle));
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assertThat(taskEnqueuer.enqueue(queue, task)).isSameAs(handle);
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verify(queue, times(3)).add(ImmutableList.of(task));
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assertThat(clock.nowUtc()).isEqualTo(DateTime.parse("2000-01-01T00:00:00.6Z")); // 200 + 400ms
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}
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@Test
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public void testEnqueue_multiple() throws Exception {
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TaskOptions taskA = withUrl("a").taskName("a");
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TaskOptions taskB = withUrl("b").taskName("b");
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ImmutableList<TaskHandle> handles =
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ImmutableList.of(new TaskHandle(taskA, "a"), new TaskHandle(taskB, "b"));
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when(queue.add(ImmutableList.of(taskA, taskB))).thenReturn(handles);
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assertThat(taskEnqueuer.enqueue(queue, ImmutableList.of(taskA, taskB))).isSameAs(handles);
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assertThat(clock.nowUtc()).isEqualTo(DateTime.parse("2000-01-01TZ"));
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}
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@Test
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public void testEnqueue_maxRetries_givesUp() throws Exception {
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when(queue.add(ImmutableList.of(task)))
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.thenThrow(new TransientFailureException("one"))
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.thenThrow(new TransientFailureException("two"))
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.thenThrow(new TransientFailureException("three"))
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.thenThrow(new TransientFailureException("four"));
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thrown.expect(TransientFailureException.class);
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thrown.expectMessage("three");
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taskEnqueuer.enqueue(queue, task);
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}
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@Test
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public void testEnqueue_transientErrorThenInterrupt_throwsTransientError() throws Exception {
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when(queue.add(ImmutableList.of(task))).thenThrow(new TransientFailureException(""));
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try {
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Thread.currentThread().interrupt();
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thrown.expect(TransientFailureException.class);
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taskEnqueuer.enqueue(queue, task);
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} finally {
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Thread.interrupted(); // Clear interrupt state so it doesn't pwn other tests.
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}
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}
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}
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