Merge pull request #73 from HengShuHong/master

Add JUnit Test for ExitCommand and HelpCommand

src/main/java/command/ExitCommand.java

@@ -14,6 +14,5 @@ public static boolean getIsExit() {
 
     @Override
     public void execute() {
-
     }
 }

src/test/java/command/ExitCommandTest.java

@@ -0,0 +1,21 @@
+package command;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class ExitCommandTest {
+    @Test
+    public void testGetIsExit() {
+        ExitCommand exitCommand = new ExitCommand(true);
+        assertTrue(ExitCommand.getIsExit());
+    }
+
+    @Test
+    public void testExecute() {
+        ExitCommand exitCommand = new ExitCommand(false);
+        exitCommand.execute();
+        assertFalse(ExitCommand.getIsExit());
+    }
+}

src/test/java/command/HelpCommandTest.java

@@ -0,0 +1,21 @@
+package command;
+
+import common.Messages;
+import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class HelpCommandTest {
+    @Test
+    public void testExecute() {
+        ByteArrayOutputStream outputStreamCaptor = new ByteArrayOutputStream();
+        System.setOut(new PrintStream(outputStreamCaptor));
+        HelpCommand helpCommand = new HelpCommand();
+        helpCommand.execute();
+        String expectedOutput = Messages.HELP + System.lineSeparator();
+        assertEquals(expectedOutput, outputStreamCaptor.toString());
+    }
+}

src/test/java/ui/TextUiTest.java

@@ -28,7 +28,6 @@ public void testValidInput() {
     @Test
     public <T> void testShowInventoryList() {
         ByteArrayOutputStream outputStreamCaptor = new ByteArrayOutputStream();
-        PrintStream originalOut = System.out;
         System.setOut(new PrintStream(outputStreamCaptor));
         ArrayList<String> itemList = new ArrayList<>();
         itemList.add("test 1");