BordComputerTest.changeDeviceTest third case

src/main/java/BordComputer.java

@@ -36,7 +36,7 @@ public class BordComputer {
         }
     }
 
-    public void changeDevice() {
+    public String changeDevice() {
         Device[] tempDevices=new Device[installedDevices.length];
         tempDevices[0]=installedDevices[1];
         tempDevices[1]=installedDevices[2];
@@ -45,6 +45,7 @@ public class BordComputer {
         installedDevices=tempDevices;
         //setting activeDevice
         activeDevice =installedDevices[0];
+        return activeDevice.getInfoText()+" ist activate";
 
     }
 }

src/test/java/BordComputerTest.java

@@ -85,13 +85,15 @@ class BordComputerTest {
 
     @ParameterizedTest
     @MethodSource("changeDeviceOptions")
-    void changeDeviceTest(String testName, BordComputer inputBC, Device[] oldDevices,Device prvDevice ,int caseNr) {
+    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();
         }
     }
 
@@ -103,18 +105,27 @@ class BordComputerTest {
         bc.setDevices();
         Device[] currentDevices = new Device[bc.installedDevices.length];
         currentDevices = bc.installedDevices.clone();
-        bc.changeDevice();
+        String m = bc.changeDevice();
 
         //second case
         BordComputer bc1 = new BordComputer();
         bc1.readConfig();
         bc1.setDevices();
         Device prvDevice = bc1.activeDevice;
-        bc1.changeDevice();
+         m =bc1.changeDevice();
+
+        //third case
+        BordComputer bc2 = new BordComputer();
+        bc2.readConfig();
+        bc2.setDevices();
+        m =bc2.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 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)
+
         );
     }
 

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")
@@ -22,22 +21,21 @@ class UsbPlayerTest {
     }
 
     static Stream<Arguments> PlayOptions() {
-        USB_Stick USBDrive = new USB_Stick();
-        UsbPlayer up1 = new UsbPlayer(USBDrive);
-        UsbPlayer up8 = new UsbPlayer(USBDrive);
+        UsbPlayer up1 = new UsbPlayer();
+        UsbPlayer up8 = new UsbPlayer();
         up8.setPlayTrack("");
-        UsbPlayer up2 = new UsbPlayer(USBDrive);
+        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(USBDrive);
+        UsbPlayer up3 = new UsbPlayer();
         ArrayList<String> Pl = new ArrayList<String>();
         up3.setPlaylist(Pl);
-        UsbPlayer up6 = new UsbPlayer(USBDrive);
+        UsbPlayer up6 = new UsbPlayer();
         up6.setDefect(true);
-        UsbPlayer up7 = new UsbPlayer(USBDrive);
+        UsbPlayer up7 = new UsbPlayer();
         up7.setConnected(false);
 
 
@@ -59,31 +57,14 @@ 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 +76,14 @@ 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 +96,13 @@ 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 +123,9 @@ 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 +145,22 @@ 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 +172,23 @@ 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 +205,7 @@ 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 +222,16 @@ 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 +252,45 @@ 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 +318,14 @@ 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 +344,15 @@ 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 +372,16 @@ 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 +389,6 @@ 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)
-        );
     }
 
 }