Bordcomputer/src/test/java/device/usbPlayer/UsbPlayerTest.java

package device.usbPlayer;

import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import java.util.stream.Stream;
import java.util.ArrayList;

import static org.assertj.core.api.Assertions.assertThat;

class UsbPlayerTest {

    UsbPlayer up = new UsbPlayer();

    @ParameterizedTest
    @MethodSource("PlayOptions")
    void playTest(String testName, UsbPlayer inputPlay, String expectedResult) {
        String playState = inputPlay.play();
        assertThat(playState).describedAs(testName).isEqualTo(expectedResult);
    }

    static Stream<Arguments> PlayOptions() {
        UsbPlayer up1 = new UsbPlayer();
        UsbPlayer up8 = new UsbPlayer();
        up8.setPlayTrack("");
        UsbPlayer up2 = new UsbPlayer();
        ArrayList<String> l = new ArrayList<String>();
        l.add("a.mp3");
        l.add("b.mp3");
        l.add("c.gif");
        up2.setPlaylist(l);
        UsbPlayer up3 = new UsbPlayer();
        ArrayList<String> Pl = new ArrayList<String>();
        up3.setPlaylist(Pl);
        UsbPlayer up6 = new UsbPlayer();
        up6.setDefect(true);
        UsbPlayer up7 = new UsbPlayer();
        up7.setConnected(false);


        return Stream.of(
                Arguments.of("All right : ", up1, "USB : connected,working,have a list,Audio,point to a track."),
                Arguments.of("No first Track : ", up8, "USB : connected,working,have a list,Audio,doesn't point to a track."),
                Arguments.of("No Audio Files : ", up2, "USB : connected,working,have a list,not Audio."),
                Arguments.of("No list of tracks : ", up3, "USB : connected,working,have no list."),
                Arguments.of("connected , not working : ", up6, "USB : connected,not working."),
                Arguments.of("not connected : ", up7, "not connected."));
    }


@ParameterizedTest
@MethodSource("louderOptions")
void louderTest(String testName, UsbPlayer inputPlay, int expectedResult) {
    int volumeNum = inputPlay.getLautstaerke();
    assertThat(volumeNum).describedAs(testName).isEqualTo(expectedResult);
}

    static Stream<Arguments> louderOptions() {
        UsbPlayer up11 = new UsbPlayer();
        up11.louder();
        UsbPlayer up22 = new UsbPlayer();
        up22.setLautstaerke(100);
        up22.louder();
        return Stream.of(
                Arguments.of("Volume is : 1 ", up11, 1),
                Arguments.of("Volume is : 100 ", up22, 100)
        );
    }

    @ParameterizedTest
    @MethodSource("quieterOptions")
    void quieterTest(String testName, UsbPlayer inputPlay, int expectedResult) {
        int volumeNum = inputPlay.getLautstaerke();
        assertThat(volumeNum).describedAs(testName).isEqualTo(expectedResult);
    }

    static Stream<Arguments> quieterOptions() {
        UsbPlayer up1 = new UsbPlayer();
        up1.quieter();
        UsbPlayer up2 = new UsbPlayer();
        up2.setLautstaerke(10);
        up2.quieter();
        return Stream.of(
                Arguments.of("Volume must stay 0 ", up1, 0),
                Arguments.of("Volume must be 9 ", up2, 9)
        );
    }

}