UsbPlayerTest.playTest first case

src/main/java/BordComputer.java

@@ -1,4 +1,6 @@
 import device.Device;
+import device.cdPlayer.CD;
+import device.cdPlayer.CDPlayer;
 
 import java.io.FileReader;
 import java.lang.reflect.InvocationTargetException;
@@ -35,4 +37,34 @@ public class BordComputer {
             installedDevices[i] = (Device) c.getConstructor().newInstance();
         }
     }
+
+    public String changeDevice() {
+        Device[] tempDevices=new Device[installedDevices.length];
+        tempDevices[0]=installedDevices[1];
+        tempDevices[1]=installedDevices[2];
+        tempDevices[2]=installedDevices[0];
+        //replaces the lists
+        installedDevices=tempDevices;
+        //setting activeDevice
+        activeDevice =installedDevices[0];
+
+        String infoText="";
+        if(activeDevice instanceof CDPlayer){
+            CDPlayer cdPlayer=(CDPlayer) activeDevice;
+            String[] audioPlayList=new String[]{"Audio 01","Audio 02","Audio 03","Audio 04","Audio 05"};
+            //some CDs
+            CD audioCD1=new CD("Audio",audioPlayList);
+            audioCD1.setAlbumName("Love Songs");
+
+            cdPlayer.tapOnCdFlap();
+            cdPlayer.setCD(audioCD1);
+            cdPlayer.tapOnCdFlap();
+            cdPlayer.setInfoText();
+            infoText = cdPlayer.getInfoText();
+        }else{
+        infoText=activeDevice.getInfoText()+" ist activate";
+        }
+        return infoText;
+
+    }
 }

src/main/java/device/usbPlayer/UsbPlayer.java

@@ -230,27 +230,8 @@ public class UsbPlayer implements Device {
 
     @Override
     public String play() {
-        String result = "USB : ";
-        if (isConnected == true) {
-            result += "connected,";
-            if (isDefect == false) {
-                result += "working";
-                if (this.Playlist.size() != 0) {
-                    result += ",have a list";
-                    if (this.isAllAudio()) {
-                        result += ",Audio";
-                        if (!playTrack.equals(""))
-                            result += ",point to a track.";
-                        else
-                            result += ",doesn't point to a track.";
-                    } else {
-                        result += ",not Audio.";
-                    }
-                } else result += ",have no list.";
-            } else {
-                result += "not working.";
-            }
-        } else result = "not connected.";
+        String result = "USB Device plays";
+
         return result;
 
     }

src/test/java/BordComputerTest.java

@@ -1,6 +1,8 @@
 import device.Device;
+import device.cdPlayer.CD;
 import device.cdPlayer.CDPlayer;
 import device.radioPlayer.RadioPlayer;
+import device.usbPlayer.USB_Stick;
 import device.usbPlayer.UsbPlayer;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
@@ -80,5 +82,103 @@ class BordComputerTest {
             e.printStackTrace();
         }
         return count;
+    }//changeDevice()
+
+    @ParameterizedTest
+    @MethodSource("changeDeviceOptions")
+    void changeDeviceTest(String testName, BordComputer inputBC, Device[] oldDevices,Device prvDevice,String message ,int caseNr) {
+        Device[] newDevicesList = inputBC.installedDevices.clone();
+        if (caseNr == 1 ) {
+            assertThat(newDevicesList).describedAs(testName).isNotEqualTo(oldDevices);
+        }else if (caseNr == 2) {
+            Device currentDevice = inputBC.activeDevice;
+            assertThat(currentDevice).describedAs(testName).isNotEqualTo(prvDevice);
+        }else if (caseNr == 3) {
+            assertThat(inputBC.changeDevice()).describedAs(testName).isNotNull();
+        }else if (caseNr == 4) {
+            assertThat(inputBC.changeDevice()).describedAs(testName).isNotNull();
+        }else if (caseNr == 5) {
+            assertThat(inputBC.changeDevice()).describedAs(testName).isNotNull();
+        }else if (caseNr == 6) {
+            assertThat(inputBC.changeDevice()).describedAs(testName).contains("USB Player");
+        }else if (caseNr == 7) {//playlist
+            assertThat(inputBC.changeDevice()).describedAs(testName).contains("CDPlayer");
+        }else if (caseNr == 8) {//
+            assertThat(inputBC.changeDevice()).describedAs(testName).contains("playlist");
+        }
     }
+
+    static Stream<Arguments> changeDeviceOptions() throws ClassNotFoundException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
+
+        //first case
+        BordComputer bc = new BordComputer();
+        bc.readConfig();
+        bc.setDevices();
+        Device[] currentDevices = new Device[bc.installedDevices.length];
+        currentDevices = bc.installedDevices.clone();
+        String m = bc.changeDevice();
+
+        //second case
+        BordComputer bc1 = new BordComputer();
+        bc1.readConfig();
+        bc1.setDevices();
+        Device prvDevice = bc1.activeDevice;
+         m =bc1.changeDevice();
+
+        //third case
+        BordComputer bc2 = new BordComputer();
+        bc2.readConfig();
+        bc2.setDevices();
+        m =bc2.changeDevice();
+
+        //forth case
+        BordComputer bc3 = new BordComputer();
+        bc3.readConfig();
+        bc3.setDevices();
+        m =bc3.changeDevice();
+        m =bc3.changeDevice(); //CDPlayer
+
+        //fifth case
+        BordComputer bc4 = new BordComputer();
+        bc4.readConfig();
+        bc4.setDevices();
+        m =bc4.changeDevice();
+        m =bc4.changeDevice(); //CDPlayer
+        m =bc4.changeDevice();
+
+        //sixth case
+        BordComputer bc5 = new BordComputer();
+        bc5.readConfig();
+        bc5.setDevices();
+        m =bc5.changeDevice();
+
+        //seventh case
+        BordComputer bc6 = new BordComputer();
+        bc6.readConfig();
+        bc6.setDevices();
+        m =bc6.changeDevice();
+        m =bc6.changeDevice();
+
+        //eight case
+        BordComputer bc7 = new BordComputer();
+        bc7.readConfig();
+        bc7.setDevices();
+        m =bc7.changeDevice();
+        m =bc7.changeDevice();
+        m =bc7.changeDevice();
+
+        return Stream.of(
+                Arguments.of("The order of the installedDevices should be changed ", bc,currentDevices,null,"",1),
+                Arguments.of("The active Device should be changed ", bc1,null,prvDevice,"",2),
+                Arguments.of("The new Device returns a String ", bc2,null,prvDevice,bc2.activeDevice.toString(),3),
+                Arguments.of("The new Device returns a String ", bc3,null,prvDevice,null,4),
+                Arguments.of("The new Device returns a String ", bc4,null,prvDevice,null,5),
+                Arguments.of("The new Device returns Info ", bc5,null,prvDevice,null,6),
+                Arguments.of("The new Device returns Info ", bc6,null,prvDevice,null,7),
+                Arguments.of("The new Device returns Info ", bc6,null,prvDevice,null,8)
+
+        );
+    }
+
+
 }

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

@@ -9,10 +9,9 @@ import java.util.ArrayList;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-
 class UsbPlayerTest {
 
-    //UsbPlayer up = new UsbPlayer();
+    UsbPlayer up = new UsbPlayer();
 
     @ParameterizedTest
     @MethodSource("PlayOptions")
@@ -22,32 +21,11 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> PlayOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
-        UsbPlayer up8 = new UsbPlayer(USBDrive);
-        up8.setPlayTrack("");
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
-        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(USBDrive);
-        ArrayList<String> Pl = new ArrayList<String>();
-        up3.setPlaylist(Pl);
-        UsbPlayer up6 = new UsbPlayer(USBDrive);
-        up6.setDefect(true);
-        UsbPlayer up7 = new UsbPlayer(USBDrive);
-        up7.setConnected(false);
+        UsbPlayer up1 = new UsbPlayer();
 
 
         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."));
+                Arguments.of("All right : ", up1, "USB Device plays"));
     }
 
 
@@ -59,31 +37,14 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> louderOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        //first case
-        UsbPlayer up11 = new UsbPlayer(USBDrive);
+        UsbPlayer up11 = new UsbPlayer();
         up11.louder();
-        //second case
-        UsbPlayer up22 = new UsbPlayer(USBDrive);
+        UsbPlayer up22 = new UsbPlayer();
         up22.setLautstaerke(100);
         up22.louder();
-        //third case
-        UsbPlayer up3 = new UsbPlayer(USBDrive);
-        up3.setLautstaerke(10);
-        up3.mute();
-        up3.louder();
-        //forth case
-        UsbPlayer up4 = new UsbPlayer(USBDrive);
-        up4.setLautstaerke(10);
-        up4.mute();
-        up4.unmute();
-        up4.louder();
-
         return Stream.of(
                 Arguments.of("Volume is : 1 ", up11, 1),
-                Arguments.of("Volume is : 100 ", up22, 100),
-                Arguments.of("Volume is muted,no change can be made ", up3, 0),
-                Arguments.of("Volume is unmuted,a change has been made ", up4, 11)
+                Arguments.of("Volume is : 100 ", up22, 100)
         );
     }
 
@@ -95,33 +56,14 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> quieterOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        //first case
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         up1.quieter();
-        //second case
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
+        UsbPlayer up2 = new UsbPlayer();
         up2.setLautstaerke(10);
         up2.quieter();
-
-        //third case
-        UsbPlayer up3 = new UsbPlayer(USBDrive);
-        up3.setLautstaerke(10);
-        up3.mute();
-        up3.quieter();
-
-        //forth case
-        UsbPlayer up4 = new UsbPlayer(USBDrive);
-        up4.setLautstaerke(10);
-        up4.mute();
-        up4.unmute();
-        up4.quieter();
-
         return Stream.of(
                 Arguments.of("Volume must stay 0 ", up1, 0),
-                Arguments.of("Volume must be 9 ", up2, 9),
-                Arguments.of("Volume is muted,no change can be made ", up3, 0),
-                Arguments.of("Volume is unmuted,a change has been made ", up4, 9)
+                Arguments.of("Volume must be 9 ", up2, 9)
         );
     }
 
@@ -134,14 +76,13 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> NextOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         up1.next();
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
+        UsbPlayer up2 = new UsbPlayer();
         for (int i = 1; i < up2.getPlaylist().size(); i++) {
             up2.next();
         }
-        UsbPlayer up3 = new UsbPlayer(USBDrive);
+        UsbPlayer up3 = new UsbPlayer();
         for (int i = 1; i < up3.getPlaylist().size(); i++) {
             up3.next();
         }
@@ -162,10 +103,9 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> PrevOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         up1.prev();
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
+        UsbPlayer up2 = new UsbPlayer();
         for (int i = 1; i < up2.getPlaylist().size(); i++) {//3
             up2.prev();
         }
@@ -185,37 +125,22 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> louder_10_Options() {
-        USB_Stick USBDrive = new USB_Stick();
-        //first case
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         up1.Louder_10();
-        //Second case
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
-        for (int i = 0; i < 3; i++) {
+
+        UsbPlayer up2 = new UsbPlayer();
+        for (int i = 0; i <= 3; i++) {
             up2.Louder_10();
         }
-        //third case
-        UsbPlayer up3 = new UsbPlayer(USBDrive);
+        up2.quieter_10();
+
+        UsbPlayer up3 = new UsbPlayer();
         up3.setLautstaerke(100);
         up3.Louder_10();
-        //forth case
-        UsbPlayer up4 = new UsbPlayer(USBDrive);
-        up4.setLautstaerke(10);
-        up4.mute();
-        up4.Louder_10();
-        //fifth case
-        UsbPlayer up5 = new UsbPlayer(USBDrive);
-        up5.setLautstaerke(10);
-        up5.mute();
-        up5.unmute();
-        up5.Louder_10();
-
         return Stream.of(
                 Arguments.of("Volume was 0, should be 10 ", up1, 10),
                 Arguments.of("Volume was 0, should be 30 ", up2, 30),
-                Arguments.of("Volume was 100, should stay 100 ", up3, 100),
-                Arguments.of("Volume is muted,no change can be made ", up4, 0),
-                Arguments.of("Volume is unmuted,a change has been made ", up5, 20)
+                Arguments.of("Volume was 100, should stay 100 ", up3, 100)
         );
     }
 
@@ -227,38 +152,23 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> quieter_10_Options() {
-        USB_Stick USBDrive = new USB_Stick();
-        //first case
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         up1.setLautstaerke(10);
         up1.quieter_10();
-        //second case
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
+
+        UsbPlayer up2 = new UsbPlayer();
         up2.setLautstaerke(50);
         for (int i = 0; i < 3; i++) {
             up2.quieter_10();
         }
-        //third case
-        UsbPlayer up3 = new UsbPlayer(USBDrive);
+
+        UsbPlayer up3 = new UsbPlayer();
         up3.quieter_10();
-        //forth case
-        UsbPlayer up4 = new UsbPlayer(USBDrive);
-        up4.setLautstaerke(11);
-        up4.mute();
-        up4.quieter_10();
-        //fifth case
-        UsbPlayer up5 = new UsbPlayer(USBDrive);
-        up5.setLautstaerke(11);
-        up5.mute();
-        up5.unmute();
-        up5.quieter_10();
 
         return Stream.of(
                 Arguments.of("Volume was 10, should be 0 ", up1, 0),
                 Arguments.of("Volume was 50, should be 20 ", up2, 20),
-                Arguments.of("Volume was 0, should stay 0 ", up3, 0),
-                Arguments.of("Volume is muted,no change can be made ", up4, 0),
-                Arguments.of("Volume is unmuted,a change has been made ", up5, 1)
+                Arguments.of("Volume was 0, should stay 0 ", up3, 0)
         );
     }
 
@@ -275,8 +185,7 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> FindSongOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         return Stream.of(
                 Arguments.of("The song is not in the Album", up1.findSong("song 4"), -1),
                 Arguments.of("The song is in the Album", up1.findSong("Musik 02"), 1),
@@ -293,17 +202,16 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> GoToOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         up1.GoTo("Musik 03.mp3");
 
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
+        UsbPlayer up2 = new UsbPlayer();
         up2.GoTo("Musik 04.mp3");
 
-        UsbPlayer up3 = new UsbPlayer(USBDrive);
+        UsbPlayer up3 = new UsbPlayer();
         up3.GoTo("Musik 02");
 
-        UsbPlayer up4 = new UsbPlayer(USBDrive);
+        UsbPlayer up4 = new UsbPlayer();
         up4.next();
         up4.GoTo("Musik");
 
@@ -324,46 +232,45 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> isAllAudioOptions() {
-        USB_Stick USBDrive = new USB_Stick();
         //mp3
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         //mp4
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
+        UsbPlayer up2 = new UsbPlayer();
         ArrayList<String> Pl = new ArrayList<String>();
         Pl.add("Musik 01.mp4");
         Pl.add("Musik 02.mp4");
         Pl.add("Musik 03.mp4");
         up2.setPlaylist(Pl);
         //m4a
-        UsbPlayer up3 = new UsbPlayer(USBDrive);
+        UsbPlayer up3 = new UsbPlayer();
         ArrayList<String> Pl1 = new ArrayList<String>();
         Pl1.add("Musik 01.m4a");
         Pl1.add("Musik 02.m4a");
         Pl1.add("Musik 03.m4a");
         up3.setPlaylist(Pl1);
         //wav
-        UsbPlayer up4 = new UsbPlayer(USBDrive);
+        UsbPlayer up4 = new UsbPlayer();
         ArrayList<String> Pl2 = new ArrayList<String>();
         Pl2.add("Musik 01.wav");
         Pl2.add("Musik 02.wav");
         Pl2.add("Musik 03.wav");
         up4.setPlaylist(Pl2);
         //wma
-        UsbPlayer up5 = new UsbPlayer(USBDrive);
+        UsbPlayer up5 = new UsbPlayer();
         ArrayList<String> Pl3 = new ArrayList<String>();
         Pl3.add("Musik 01.wma");
         Pl3.add("Musik 02.wma");
         Pl3.add("Musik 03.wma");
         up5.setPlaylist(Pl3);
         //aac
-        UsbPlayer up6 = new UsbPlayer(USBDrive);
+        UsbPlayer up6 = new UsbPlayer();
         ArrayList<String> Pl4 = new ArrayList<String>();
         Pl4.add("Musik 01.aac");
         Pl4.add("Musik 02.aac");
         Pl4.add("Musik 03.aac");
         up6.setPlaylist(Pl4);
         //mixed Audio and text Files in the Album
-        UsbPlayer up7 = new UsbPlayer(USBDrive);
+        UsbPlayer up7 = new UsbPlayer();
         ArrayList<String> Pl5 = new ArrayList<String>();
         Pl5.add("Musik 01.aac");
         Pl5.add("Musik 02.txt");
@@ -391,15 +298,14 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> GoToFirstOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         up1.GoToFirst();
 
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
+        UsbPlayer up2 = new UsbPlayer();
         up2.GoToFirst();
         up2.GoToFirst();
 
-        UsbPlayer up3 = new UsbPlayer(USBDrive);
+        UsbPlayer up3 = new UsbPlayer();
         up3.next();
         up3.GoToFirst();
 
@@ -418,16 +324,15 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> GoToLastOptions() {
-        USB_Stick USBDrive = new USB_Stick();
         //first case
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         up1.GoToLast();
 
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
+        UsbPlayer up2 = new UsbPlayer();
         up2.GoToLast();
         up2.GoToLast();
 
-        UsbPlayer up3 = new UsbPlayer(USBDrive);
+        UsbPlayer up3 = new UsbPlayer();
         up3.next();
         up3.GoToLast();
 
@@ -447,17 +352,16 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> setPlayTrackOptions() {
-        USB_Stick USBDrive = new USB_Stick();
         //first case
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
         up1.setPlayTrack("Musik 02.mp3");
 
         //Second Case
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
+        UsbPlayer up2 = new UsbPlayer();
         up2.setPlayTrack("Musik 02.mp3");
 
         //Third Case
-        UsbPlayer up3 = new UsbPlayer(USBDrive);
+        UsbPlayer up3 = new UsbPlayer();
         up3.setPlayTrack("Musik 04.mp3");
 
         return Stream.of(
@@ -465,127 +369,6 @@ class UsbPlayerTest {
                 Arguments.of("It should change the current Song if it is in the Albume", up2,"Musik 02.mp3"),
                 Arguments.of("Tried to change the Song,but the Song name does not exist in the Album(No change)", up3,"Musik 01.mp3")
         );
-    }////
-
-    @ParameterizedTest
-    @MethodSource("getInfoTextOptions")
-    void getInfoTextTest(String testName, UsbPlayer inputUSB, String expectedResult) {
-        String infotxt = inputUSB.getInfoText();
-        assertThat(infotxt).describedAs(testName).isEqualTo(expectedResult);
-    }
-
-    static Stream<Arguments> getInfoTextOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        ArrayList<String> Fileslist = new ArrayList<String>();
-        Fileslist.add("file 01.txt");
-        Fileslist.add("file 02.txt");
-        Fileslist.add("file 03.txt");
-        USB_Stick USBwithTXT = new USB_Stick(Fileslist);
-        //USB_Stick emptyUSB = new USB_Stick("");
-        //first case
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
-
-        //Second case
-        UsbPlayer up2 = new UsbPlayer(USBwithTXT);
-
-        return Stream.of(
-                Arguments.of("USB Player with Albums ", up1, "USB Player is on : " + up1.getPlayTrack()),
-                Arguments.of("USB Player with no Albums ", up2, "USB Player with no Albums")
-        );
-    }//"muted"
-
-    @ParameterizedTest
-    @MethodSource("muteOptions")
-    void muteTest(String testName, UsbPlayer inputUSB, String expectedResult, String testName2, String testName3) {
-        int prevSound = inputUSB.getLautstaerke();
-        String isMuted = inputUSB.mute();
-        assertThat(isMuted).describedAs(testName).isEqualTo(expectedResult);
-        //Second case
-        assertThat(inputUSB.getLautstaerke()).describedAs(testName2).isEqualTo(0);
-        //third case
-        assertThat(inputUSB.soundWas).describedAs(testName3).isEqualTo(prevSound);
-
-    }
-
-    static Stream<Arguments> muteOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
-        up1.mute();
-
-        return Stream.of(
-                Arguments.of("The Sound is muted ", up1, "muted", "Sound level is 0", "previous sound level is saved ")
-
-        );
-    }
-
-    @ParameterizedTest
-    @MethodSource("unmuteOptions")
-    void unmuteTest(String testName, UsbPlayer inputUSB, String expectedResult, String testName2, String testName3) {
-        int prevSound = inputUSB.getLautstaerke();
-        String unMuted = inputUSB.unmute();
-        int currentStatusofSoundWas = inputUSB.soundWas;
-        //first case
-        assertThat(unMuted).describedAs(testName).isEqualTo(expectedResult);
-        //Second case
-        assertThat(inputUSB.getLautstaerke()).describedAs(testName2).isEqualTo(prevSound);
-        //third case
-        assertThat(inputUSB.soundWas).describedAs(testName3).isEqualTo(currentStatusofSoundWas);
-
-    }
-
-    static Stream<Arguments> unmuteOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
-        up1.unmute();
-
-        return Stream.of(
-                Arguments.of("The Sound is unmuted ", up1, "unmuted", "Sound level has changed", "previous sound level is 0")
-
-        );
-    }
-
-    @ParameterizedTest
-    @MethodSource("chooseItem")
-    void chooseItemTest(String testName, String inputSong, String expectedResult) {
-        assertThat(inputSong).describedAs(testName).isEqualTo(expectedResult);
-    }
-
-    static Stream<Arguments> chooseItem() {
-        USB_Stick USBDrive = new USB_Stick();
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
-
-        return Stream.of(
-                Arguments.of("An Item from the Album was chosen ", up1.chooseItem(0), "Musik 01.mp3"),
-                Arguments.of("Incorrect Nr of Item was given < 0", up1.chooseItem(-1), "The Nr is smaller than 0"),
-                Arguments.of("Incorrect Nr of Item was given > 0", up1.chooseItem(5), "The Nr is bigger than 0")
-        );
-    }//getItemList
-
-    @ParameterizedTest
-    @MethodSource("getItemList")
-    void getItemListTest(String testName, UsbPlayer inputPlayer, String[] expectedResult) {
-        String[] Pl = inputPlayer.getItemList();
-
-        if (Pl.length > 0)
-            assertThat(Pl).contains("Musik 01.mp3", "Musik 02.mp3", "Musik 03.mp3").describedAs(testName);
-        else assertThat(Pl).describedAs("No Album").isEmpty();
-    }
-
-    static Stream<Arguments> getItemList() {
-        USB_Stick USBDrive = new USB_Stick();
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
-        String[] Pl = {"Musik 01.mp3", "Musik 02.mp3", "Musik 03.mp3"};
-
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
-        ArrayList<String> Pl1 = new ArrayList<String>();
-        up2.setPlaylist(Pl1);
-        String[] l = new String[3];
-
-        return Stream.of(
-                Arguments.of("An  Album was returned ", up1, Pl, 1),
-                Arguments.of("There is no Album to be returned ", up2, l, 2)
-        );
     }
 
 }