63 lines
2.4 KiB
Java
63 lines
2.4 KiB
Java
/*
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* Copyright 2022 Google LLC
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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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*/
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package com.google.android.libraries.mobiledatadownload;
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import static com.google.common.labs.truth.FutureSubject.assertThat;
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import static com.google.common.util.concurrent.Futures.immediateFailedFuture;
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import static com.google.common.util.concurrent.Futures.immediateFuture;
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import com.google.android.libraries.mobiledatadownload.DownloadException.DownloadResultCode;
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import com.google.common.util.concurrent.ListenableFuture;
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import java.io.IOException;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.robolectric.RobolectricTestRunner;
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/** Tests for {@link DownloadException}. */
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@RunWith(RobolectricTestRunner.class)
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public final class DownloadExceptionTest {
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@Test
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public void wrapIfFailed_futureFails_wrapsFailedFutureWithDownloadException() throws Exception {
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ListenableFuture<Void> future = immediateFailedFuture(new IOException("cause"));
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ListenableFuture<Void> wrappedFuture =
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DownloadException.wrapIfFailed(
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future, DownloadResultCode.ANDROID_DOWNLOADER_HTTP_ERROR, "failed");
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assertThat(wrappedFuture).whenDone().isFailedWith(DownloadException.class);
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assertThat(wrappedFuture).whenDone().hasFailureThat().hasMessageThat().isEqualTo("failed");
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assertThat(wrappedFuture)
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.whenDone()
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.hasFailureThat()
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.hasCauseThat()
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.isInstanceOf(IOException.class);
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assertThat(wrappedFuture)
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.whenDone()
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.hasFailureThat()
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.hasCauseThat()
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.hasMessageThat()
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.isEqualTo("cause");
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}
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@Test
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public void wrapIfFailed_futureSucceeds_noop() throws Exception {
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ListenableFuture<Integer> future = immediateFuture(7);
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ListenableFuture<Integer> wrappedFuture =
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DownloadException.wrapIfFailed(
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future, DownloadResultCode.ANDROID_DOWNLOADER_HTTP_ERROR, "failed");
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assertThat(wrappedFuture).whenDone().hasValue(7);
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}
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}
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