| /* |
| * Copyright (C) 2017 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.testutil; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static com.google.common.truth.Truth.assertWithMessage; |
| |
| import android.net.Uri; |
| import com.google.android.exoplayer2.testutil.FakeDataSet.FakeData; |
| import com.google.android.exoplayer2.upstream.DataSource; |
| import com.google.android.exoplayer2.upstream.DataSourceInputStream; |
| import com.google.android.exoplayer2.upstream.DataSpec; |
| import com.google.android.exoplayer2.upstream.DummyDataSource; |
| import com.google.android.exoplayer2.upstream.cache.Cache; |
| import com.google.android.exoplayer2.upstream.cache.CacheDataSource; |
| import com.google.android.exoplayer2.util.Assertions; |
| import com.google.android.exoplayer2.util.Util; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| |
| /** Assertion methods for {@link Cache}. */ |
| public final class CacheAsserts { |
| |
| /** Defines a set of data requests. */ |
| public static final class RequestSet { |
| |
| private final FakeDataSet fakeDataSet; |
| private DataSpec[] dataSpecs; |
| |
| public RequestSet(FakeDataSet fakeDataSet) { |
| this.fakeDataSet = fakeDataSet; |
| ArrayList<FakeData> allData = fakeDataSet.getAllData(); |
| dataSpecs = new DataSpec[allData.size()]; |
| for (int i = 0; i < dataSpecs.length; i++) { |
| dataSpecs[i] = new DataSpec(Assertions.checkNotNull(allData.get(i).uri)); |
| } |
| } |
| |
| public RequestSet subset(String... uriStrings) { |
| dataSpecs = new DataSpec[uriStrings.length]; |
| for (int i = 0; i < dataSpecs.length; i++) { |
| dataSpecs[i] = new DataSpec(Uri.parse(uriStrings[i])); |
| } |
| return this; |
| } |
| |
| public RequestSet subset(Uri... uris) { |
| dataSpecs = new DataSpec[uris.length]; |
| for (int i = 0; i < dataSpecs.length; i++) { |
| dataSpecs[i] = new DataSpec(uris[i]); |
| } |
| return this; |
| } |
| |
| public RequestSet subset(DataSpec... dataSpecs) { |
| this.dataSpecs = dataSpecs; |
| return this; |
| } |
| |
| public int getCount() { |
| return dataSpecs.length; |
| } |
| |
| public byte[] getData(int i) { |
| return Assertions.checkNotNull(fakeDataSet.getData(dataSpecs[i].uri)).getData(); |
| } |
| |
| public DataSpec getDataSpec(int i) { |
| return dataSpecs[i]; |
| } |
| |
| public RequestSet useBoundedDataSpecFor(String uriString) { |
| FakeData data = Assertions.checkStateNotNull(fakeDataSet.getData(uriString)); |
| for (int i = 0; i < dataSpecs.length; i++) { |
| DataSpec spec = dataSpecs[i]; |
| if (Assertions.checkNotNull(spec.uri.getPath()).equals(uriString)) { |
| dataSpecs[i] = spec.subrange(0, data.getData().length); |
| return this; |
| } |
| } |
| throw new IllegalStateException(); |
| } |
| } |
| |
| /** |
| * Asserts that the cache contains necessary data for the {@code requestSet}. |
| * |
| * @throws IOException If an error occurred reading from the Cache. |
| */ |
| public static void assertCachedData(Cache cache, RequestSet requestSet) throws IOException { |
| int totalLength = 0; |
| for (int i = 0; i < requestSet.getCount(); i++) { |
| byte[] data = requestSet.getData(i); |
| assertDataCached(cache, requestSet.getDataSpec(i), data); |
| totalLength += data.length; |
| } |
| assertThat(cache.getCacheSpace()).isEqualTo(totalLength); |
| } |
| |
| /** |
| * Asserts that the cache content is equal to the data in the {@code fakeDataSet}. |
| * |
| * @throws IOException If an error occurred reading from the Cache. |
| */ |
| public static void assertCachedData(Cache cache, FakeDataSet fakeDataSet) throws IOException { |
| assertCachedData(cache, new RequestSet(fakeDataSet)); |
| } |
| |
| /** |
| * Asserts that the cache contains the given data for {@code dataSpec}. |
| * |
| * @throws IOException If an error occurred reading from the Cache. |
| */ |
| public static void assertDataCached(Cache cache, DataSpec dataSpec, byte[] expected) |
| throws IOException { |
| DataSource dataSource = new CacheDataSource(cache, DummyDataSource.INSTANCE, 0); |
| byte[] bytes; |
| try { |
| dataSource.open(dataSpec); |
| bytes = TestUtil.readToEnd(dataSource); |
| } catch (IOException e) { |
| throw new IOException("Opening/reading cache failed: " + dataSpec, e); |
| } finally { |
| dataSource.close(); |
| } |
| assertWithMessage("Cached data doesn't match expected for '" + dataSpec.uri + "',") |
| .that(bytes) |
| .isEqualTo(expected); |
| } |
| |
| /** |
| * Asserts that the read data from {@code dataSource} specified by {@code dataSpec} is equal to |
| * {@code expected} or not. |
| * |
| * @throws IOException If an error occurred reading from the Cache. |
| */ |
| public static void assertReadData(DataSource dataSource, DataSpec dataSpec, byte[] expected) |
| throws IOException { |
| try (DataSourceInputStream inputStream = new DataSourceInputStream(dataSource, dataSpec)) { |
| byte[] bytes = Util.toByteArray(inputStream); |
| assertThat(bytes).isEqualTo(expected); |
| } |
| } |
| |
| /** Asserts that the cache is empty. */ |
| public static void assertCacheEmpty(Cache cache) { |
| assertThat(cache.getCacheSpace()).isEqualTo(0); |
| assertThat(cache.getKeys()).isEmpty(); |
| } |
| |
| private CacheAsserts() {} |
| } |