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Testing FLV Media Extraction Capabilities in SmartTube

This test suite validates the functionality of FlvExtractor in ExoPlayer, focusing on proper extraction of FLV (Flash Video) format media files. The tests ensure reliable parsing and processing of FLV content within the SmartTube application environment.

Test Coverage Overview

The test coverage focuses on core FLV extraction capabilities using sample FLV files.

Key areas tested include:

Basic FLV file parsing functionality
Sample file extraction validation
Extractor behavior verification
Integration with ExoPlayer’s extraction framework

Implementation Analysis

The testing approach utilizes JUnit4 with AndroidJUnit4 runner for Android-specific test execution. The implementation leverages ExtractorAsserts utility class for standardized extractor behavior validation, demonstrating a clean and maintainable testing pattern.

The test structure employs factory method pattern through FlvExtractor::new reference and uses resource-based test data.

Technical Details

Testing tools and configuration:

JUnit4 test framework
AndroidJUnit4 test runner
ExtractorAsserts utility class
Sample FLV test media files
ExoPlayer Core library integration

Best Practices Demonstrated

The test suite exemplifies several testing best practices in media processing validation.

Notable practices include:

Isolated test scope for specific functionality
Resource-based test data management
Utility class usage for consistent assertions
Clear test method naming conventions
Proper test runner configuration for Android environment

yuliskov/smarttube

exoplayer-amzn-2.10.6/library/core/src/test/java/com/google/android/exoplayer2/extractor/flv/FlvExtractorTest.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.extractor.flv;

import androidx.test.ext.junit.runners.AndroidJUnit4;
import com.google.android.exoplayer2.testutil.ExtractorAsserts;
import org.junit.Test;
import org.junit.runner.RunWith;

/** Unit test for {@link FlvExtractor}. */
@RunWith(AndroidJUnit4.class)
public final class FlvExtractorTest {

  @Test
  public void testSample() throws Exception {
    ExtractorAsserts.assertBehavior(FlvExtractor::new, "flv/sample.flv");
  }
}