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Add contract test for CacheDataSource

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PiperOrigin-RevId: 352385310
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christosts 2021-01-18 12:04:52 +00:00 committed by Oliver Woodman
parent 8d61f5409e
commit 61cf97a0c0
1 changed files with 76 additions and 0 deletions
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library/core/src/test/java/com/google/android/exoplayer2/upstream/CacheDataSourceContractTest.java Normal file
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/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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.android.exoplayer2.upstream;
import android.net.Uri;
import androidx.test.core.app.ApplicationProvider;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import com.google.android.exoplayer2.testutil.DataSourceContractTest;
import com.google.android.exoplayer2.testutil.TestUtil;
import com.google.android.exoplayer2.upstream.cache.CacheDataSource;
import com.google.android.exoplayer2.upstream.cache.NoOpCacheEvictor;
import com.google.android.exoplayer2.upstream.cache.SimpleCache;
import com.google.android.exoplayer2.util.Util;
import com.google.common.collect.ImmutableList;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import org.junit.Before;
import org.junit.Rule;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
/** {@link DataSource} contract tests for {@link CacheDataSource}. */
@RunWith(AndroidJUnit4.class)
public class CacheDataSourceContractTest extends DataSourceContractTest {
private static final byte[] DATA = TestUtil.buildTestData(20);
@Rule public final TemporaryFolder tempFolder = new TemporaryFolder();
private Uri simpleUri;
@Before
public void setUp() throws IOException {
File file = tempFolder.newFile();
Files.write(Paths.get(file.getAbsolutePath()), DATA);
simpleUri = Uri.fromFile(file);
}
@Override
protected ImmutableList<TestResource> getTestResources() {
return ImmutableList.of(
new TestResource.Builder()
.setName("simple")
.setUri(simpleUri)
.setExpectedBytes(DATA)
.build());
}
@Override
protected Uri getNotFoundUri() {
return Uri.fromFile(tempFolder.getRoot().toPath().resolve("nonexistent").toFile());
}
@Override
protected DataSource createDataSource() throws IOException {
File tempFolder =
Util.createTempDirectory(ApplicationProvider.getApplicationContext(), "ExoPlayerTest");
SimpleCache cache =
new SimpleCache(tempFolder, new NoOpCacheEvictor(), TestUtil.getInMemoryDatabaseProvider());
return new CacheDataSource(cache, new FileDataSource());
}
}