test_TestAddMessage plus Anpassen der anderen Tests auf den Zeitstempel

src/main/java/ChatGUI.java

@@ -145,7 +145,7 @@ public class ChatGUI implements ActionListener {
 	}
 
 	// add-message method with time stamp
-	private void addMessage(String message) {
+	void addMessage(String message) {
 		String timeStamp = new SimpleDateFormat("HH:mm:ss").format(new Date());
 		outputTextArea.append("[" + timeStamp + "]  " + message + "\n");
 		outputTextArea.setCaretPosition(outputTextArea.getDocument().getLength());

src/test/java/ChatGUITest.java

@@ -1,8 +1,11 @@
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 import java.awt.Color;
 import java.awt.Font;
 import java.awt.event.ActionEvent;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -59,9 +62,11 @@ public class ChatGUITest {
         chatGUI.inputTextField.setText("Testnachricht");
         chatGUI.sendButton.doClick();
 
-        String expectedOutput = "Testnachricht\n";
+        String timeStamp = new SimpleDateFormat("HH:mm:ss").format(new Date());
+        String expectedOutput = "[" + timeStamp + "]  Testnachricht\n";
         assertEquals(expectedOutput, chatGUI.outputTextArea.getText());
     }
+    
     @Test
     public void testInputTextFieldActionPerformed() {
 
@@ -69,12 +74,24 @@ public class ChatGUITest {
         chatGUI.actionPerformed(new ActionEvent(chatGUI.inputTextField, ActionEvent.ACTION_PERFORMED, ""));
 
 
-        String expectedOutput = "Testnachricht\n";
+        String timeStamp = new SimpleDateFormat("HH:mm:ss").format(new Date());
+        String expectedOutput = "[" + timeStamp + "]  Testnachricht\n";
         assertEquals(expectedOutput, chatGUI.outputTextArea.getText());
 
-
         assertEquals("", chatGUI.inputTextField.getText());
     }
+    @Test
+    public void testAddMessage() {
+
+        String message = "Testnachricht";
+        chatGUI.addMessage(message);
+
+
+        String timeStamp = new SimpleDateFormat("HH:mm:ss").format(new Date());
+        String expectedMessage = "[" + timeStamp + "]  " + message + "\n";
+
+        assertTrue(chatGUI.outputTextArea.getText().contains(expectedMessage));
+    }
 }