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Testing SmoothStreaming Manifest Parser Implementation in SmartTube

This test suite validates the SsManifestParser functionality for SmoothStreaming manifest parsing in the SmartTube project. It focuses on ensuring proper parsing of sample ISMC manifests without exceptions, demonstrating core manifest handling capabilities.

Test Coverage Overview

The test coverage focuses on validating the SsManifestParser’s ability to parse different SmoothStreaming manifest files. Key functionality includes:

Parsing of multiple sample ISMC manifest files
URI handling and input stream processing
Basic error handling verification

Implementation Analysis

The testing approach utilizes JUnit 4 with AndroidJUnit4 runner for Android-specific testing context. The implementation employs a straightforward pattern of creating a parser instance and testing it against different manifest samples, ensuring robust manifest parsing capabilities.

Framework-specific features include TestUtil for resource handling and ApplicationProvider for context access.

Technical Details

Testing tools and configuration include:

JUnit 4 testing framework
AndroidJUnit4 test runner
TestUtil utility class for resource handling
ApplicationProvider for Android context
Sample ISMC manifest files for testing

Best Practices Demonstrated

The test suite demonstrates several testing best practices:

Clear test method naming conventions
Proper exception handling verification
Use of sample test data
Efficient test setup with minimal boilerplate
Integration with Android testing utilities

yuliskov/smarttube

exoplayer-amzn-2.10.6/library/smoothstreaming/src/test/java/com/google/android/exoplayer2/source/smoothstreaming/manifest/SsManifestParserTest.java

            
/*
 * Copyright (C) 2016 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.source.smoothstreaming.manifest;

import android.net.Uri;
import androidx.test.core.app.ApplicationProvider;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import com.google.android.exoplayer2.testutil.TestUtil;
import java.io.IOException;
import org.junit.Test;
import org.junit.runner.RunWith;

/** Unit tests for {@link SsManifestParser}. */
@RunWith(AndroidJUnit4.class)
public final class SsManifestParserTest {

  private static final String SAMPLE_ISMC_1 = "sample_ismc_1";
  private static final String SAMPLE_ISMC_2 = "sample_ismc_2";

  /** Simple test to ensure the sample manifests parse without any exceptions being thrown. */
  @Test
  public void testParseSmoothStreamingManifest() throws IOException {
    SsManifestParser parser = new SsManifestParser();
    parser.parse(
        Uri.parse("https://example.com/test.ismc"),
        TestUtil.getInputStream(ApplicationProvider.getApplicationContext(), SAMPLE_ISMC_1));
    parser.parse(
        Uri.parse("https://example.com/test.ismc"),
        TestUtil.getInputStream(ApplicationProvider.getApplicationContext(), SAMPLE_ISMC_2));
  }
}