How to use

apply

method

in

com.novoda.noplayer.model.Either

private void attachSurface(final MediaPlayer mediaPlayer, Either<Surface, SurfaceHolder> surface) {
  Either.Consumer<Surface> setSurface = new Either.Consumer<Surface>() {
    @Override
    public void accept(Surface value) {
      mediaPlayer.setSurface(value);
    }
  };
  Either.Consumer<SurfaceHolder> setDisplay = new Either.Consumer<SurfaceHolder>() {
    @Override
    public void accept(SurfaceHolder value) {
      mediaPlayer.setDisplay(value);
    }
  };
  surface.apply(setSurface, setDisplay);
}

@Test
public void givenEitherContainsLeft_whenApplyingConsumers_thenRunsLeftConsumerWithCorrectValue() {
  String value = "foo";
  Either<String, Integer> either = Either.left(value);
  either.apply(leftConsumer, rightConsumer);
  verify(leftConsumer).accept(value);
}

  @Test
  public void givenEitherContainsRight_whenApplyingConsumers_thenRunsRightConsumerWithCorrectValue() {
    Integer value = 42;
    Either<String, Integer> either = Either.right(value);

    either.apply(leftConsumer, rightConsumer);

    verify(rightConsumer).accept(value);
  }
}