Add ResolvingDataSourceContractTest

PiperOrigin-RevId: 359783527

library/core/src/test/java/com/google/android/exoplayer2/upstream/DataSchemeDataSourceContractTest.java

@@ -39,12 +39,12 @@ public class DataSchemeDataSourceContractTest extends DataSourceContractTest {
     return ImmutableList.of(
         new TestResource.Builder()
             .setName("plain text")
-            .setUri(Uri.parse("data:text/plain," + DATA))
+            .setUri("data:text/plain," + DATA)
             .setExpectedBytes(DATA.getBytes(UTF_8))
             .build(),
         new TestResource.Builder()
             .setName("base64 encoded text")
-            .setUri(Uri.parse("data:text/plain;base64," + BASE64_ENCODED_DATA))
+            .setUri("data:text/plain;base64," + BASE64_ENCODED_DATA)
             .setExpectedBytes(Base64.decode(BASE64_ENCODED_DATA, Base64.DEFAULT))
             .build());
   }

library/core/src/test/java/com/google/android/exoplayer2/upstream/ResolvingDataSourceContractTest.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright 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.annotation.Nullable;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import com.google.android.exoplayer2.testutil.DataSourceContractTest;
+import com.google.android.exoplayer2.testutil.FakeDataSet;
+import com.google.android.exoplayer2.testutil.FakeDataSource;
+import com.google.android.exoplayer2.testutil.TestUtil;
+import com.google.android.exoplayer2.upstream.ResolvingDataSource.Resolver;
+import com.google.common.collect.ImmutableList;
+import java.io.IOException;
+import org.junit.Before;
+import org.junit.runner.RunWith;
+
+/** {@link DataSource} contract tests for {@link ResolvingDataSourceContractTest}. */
+@RunWith(AndroidJUnit4.class)
+public class ResolvingDataSourceContractTest extends DataSourceContractTest {
+
+  private static final String URI = "test://simple.test";
+  private static final String RESOLVED_URI = "resolved://simple.resolved";
+
+  private byte[] simpleData;
+  private FakeDataSet fakeDataSet;
+  private FakeDataSource fakeDataSource;
+
+  @Before
+  public void setUp() {
+    simpleData = TestUtil.buildTestData(/* length= */ 20);
+    fakeDataSet = new FakeDataSet().newData(RESOLVED_URI).appendReadData(simpleData).endData();
+  }
+
+  @Override
+  protected ImmutableList<TestResource> getTestResources() {
+    return ImmutableList.of(
+        new TestResource.Builder()
+            .setName("simple")
+            .setUri(URI)
+            .setExpectedBytes(simpleData)
+            .build());
+  }
+
+  @Override
+  protected Uri getNotFoundUri() {
+    return Uri.parse("test://not-found.test");
+  }
+
+  @Override
+  protected DataSource createDataSource() {
+    fakeDataSource = new FakeDataSource(fakeDataSet);
+    return new ResolvingDataSource(
+        fakeDataSource,
+        new Resolver() {
+          @Override
+          public DataSpec resolveDataSpec(DataSpec dataSpec) throws IOException {
+            return URI.equals(dataSpec.uri.toString())
+                ? dataSpec.buildUpon().setUri(RESOLVED_URI).build()
+                : dataSpec;
+          }
+        });
+  }
+
+  @Override
+  @Nullable
+  protected DataSource getTransferListenerDataSource() {
+    return fakeDataSource;
+  }
+}

library/core/src/test/java/com/google/android/exoplayer2/upstream/UdpDataSourceContractTest.java

@@ -63,7 +63,7 @@ public class UdpDataSourceContractTest extends DataSourceContractTest {
     return ImmutableList.of(
         new TestResource.Builder()
             .setName("local-udp-unicast-socket")
-            .setUri(Uri.parse("udp://localhost:" + findFreeUdpPort()))
+            .setUri("udp://localhost:" + findFreeUdpPort())
             .setExpectedBytes(data)
             .build());
   }

testutils/src/main/java/com/google/android/exoplayer2/testutil/DataSourceContractTest.java

@@ -502,6 +502,11 @@ public abstract class DataSourceContractTest {
         return this;
       }
 
+      /** Sets the URI where this resource is located. */
+      public Builder setUri(String uri) {
+        return setUri(Uri.parse(uri));
+      }
+
       /** Sets the URI where this resource is located. */
       public Builder setUri(Uri uri) {
         this.uri = uri;