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Add backward compatibility tests for PlaybackException

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PiperOrigin-RevId: 373542819
This commit is contained in:
aquilescanta 2021-05-13 10:48:20 +01:00 committed by Oliver Woodman
parent 954a6730d5
commit a8675673da
1 changed files with 67 additions and 1 deletions
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68
library/common/src/test/java/com/google/android/exoplayer2/PlaybackExceptionTest.java
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@ -17,6 +17,8 @@ package com.google.android.exoplayer2;
import static com.google.common.truth.Truth.assertThat; import static com.google.common.truth.Truth.assertThat;
import android.os.Bundle;
import android.os.RemoteException;
import androidx.test.ext.junit.runners.AndroidJUnit4; import androidx.test.ext.junit.runners.AndroidJUnit4;
import java.io.IOException; import java.io.IOException;
import org.junit.Test; import org.junit.Test;
@ -37,7 +39,71 @@ public class PlaybackExceptionTest {
assertPlaybackExceptionsAreEqual(before, after); assertPlaybackExceptionsAreEqual(before, after);
} }
// TODO: Add test for backwards compatibility. // Backward compatibility tests.
// The following tests prevent accidental modifications which break communication with older
// ExoPlayer versions hosted in other processes.
@Test
public void bundle_producesExpectedException() {
IOException expectedCause = new IOException("cause message");
PlaybackException expectedException =
new PlaybackException(
"message",
expectedCause,
PlaybackException.ERROR_CODE_AUDIO_TRACK_INIT_FAILED,
/* timestampMs= */ 1000);
Bundle bundle = new Bundle();
bundle.putInt("0", 5001); // Error code
bundle.putLong("1", 1000); // Timestamp.
bundle.putString("2", "message");
bundle.putString("3", expectedCause.getClass().getName());
bundle.putString("4", "cause message");
assertPlaybackExceptionsAreEqual(
expectedException, PlaybackException.CREATOR.fromBundle(bundle));
}
@Test
public void exception_producesExpectedBundle() {
IllegalStateException cause = new IllegalStateException("cause message");
PlaybackException exception =
new PlaybackException(
"message",
cause,
PlaybackException.ERROR_CODE_DECODING_FAILED,
/* timestampMs= */ 2000);
Bundle bundle = exception.toBundle();
assertThat(bundle.getInt("0")).isEqualTo(4002); // Error code.
assertThat(bundle.getLong("1")).isEqualTo(2000); // Timestamp.
assertThat(bundle.getString("2")).isEqualTo("message");
assertThat(bundle.getString("3")).isEqualTo(cause.getClass().getName());
assertThat(bundle.getString("4")).isEqualTo("cause message");
}
@Test
public void bundleWithUnexpectedCause_producesRemoteExceptionCause() {
RemoteException expectedCause = new RemoteException("cause message");
PlaybackException expectedException =
new PlaybackException(
"message",
expectedCause,
PlaybackException.ERROR_CODE_AUDIO_TRACK_INIT_FAILED,
/* timestampMs= */ 1000);
Bundle bundle = new Bundle();
bundle.putInt("0", 5001); // Error code
bundle.putLong("1", 1000); // Timestamp.
bundle.putString("2", "message");
bundle.putString("3", "invalid cause class name");
bundle.putString("4", "cause message");
assertPlaybackExceptionsAreEqual(
expectedException, PlaybackException.CREATOR.fromBundle(bundle));
}
// Internal methods.
private static void assertPlaybackExceptionsAreEqual(PlaybackException a, PlaybackException b) { private static void assertPlaybackExceptionsAreEqual(PlaybackException a, PlaybackException b) {
assertThat(a).hasMessageThat().isEqualTo(b.getMessage()); assertThat(a).hasMessageThat().isEqualTo(b.getMessage());