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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
93 lines
3.3 KiB
Java
93 lines
3.3 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.common.truth.Truth.assertThat;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import static java.util.Arrays.asList;
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import com.google.common.collect.ImmutableSet;
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import google.registry.testing.ExceptionRule;
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import java.io.ByteArrayOutputStream;
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import java.io.OutputStream;
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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 TeeOutputStream}. */
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@RunWith(JUnit4.class)
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public class TeeOutputStreamTest {
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@Rule
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public ExceptionRule thrown = new ExceptionRule();
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private final ByteArrayOutputStream outputA = new ByteArrayOutputStream();
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private final ByteArrayOutputStream outputB = new ByteArrayOutputStream();
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private final ByteArrayOutputStream outputC = new ByteArrayOutputStream();
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@Test
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public void testWrite_writesToMultipleStreams() throws Exception {
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// Write shared data using the tee output stream.
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try (OutputStream tee =
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new TeeOutputStream(asList(outputA, outputB, outputC))) {
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tee.write("hello ".getBytes(UTF_8));
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tee.write("hello world!".getBytes(UTF_8), 6, 5);
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tee.write('!');
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}
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// Write some more data to the different streams - they should not have been closed.
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outputA.write("a".getBytes(UTF_8));
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outputB.write("b".getBytes(UTF_8));
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outputC.write("c".getBytes(UTF_8));
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// Check the results.
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assertThat(outputA.toString()).isEqualTo("hello world!a");
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assertThat(outputB.toString()).isEqualTo("hello world!b");
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assertThat(outputC.toString()).isEqualTo("hello world!c");
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}
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@Test
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@SuppressWarnings("resource")
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public void testConstructor_failsWithEmptyIterable() {
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thrown.expect(IllegalArgumentException.class);
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new TeeOutputStream(ImmutableSet.of());
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}
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@Test
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public void testWriteInteger_failsAfterClose() throws Exception {
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OutputStream tee = new TeeOutputStream(asList(outputA));
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tee.close();
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thrown.expect(IllegalStateException.class);
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thrown.expectMessage("outputstream closed");
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tee.write(1);
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}
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@Test
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public void testWriteByteArray_failsAfterClose() throws Exception {
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OutputStream tee = new TeeOutputStream(asList(outputA));
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tee.close();
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thrown.expect(IllegalStateException.class);
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thrown.expectMessage("outputstream closed");
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tee.write("hello".getBytes(UTF_8));
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}
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@Test
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public void testWriteByteSubarray_failsAfterClose() throws Exception {
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OutputStream tee = new TeeOutputStream(asList(outputA));
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tee.close();
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thrown.expect(IllegalStateException.class);
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thrown.expectMessage("outputstream closed");
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tee.write("hello".getBytes(UTF_8), 1, 3);
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}
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}
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