implement system test

.gitignore

@@ -179,3 +179,5 @@ fabric.properties
 # Android studio 3.1+ serialized cache file
 .idea/caches/build_file_checksums.ser
 
+/.classpath
+/.project

MailSystem/src/domain/EasyMail.java

@@ -19,10 +19,13 @@ public class EasyMail {
 				passwordConfirmation);
 	}
 
-	public void userSignin(String username, char[] password) throws Exception {
+	public boolean userSignIn(String username, char[] password) throws Exception {
 		this.currentUser = userManager.checkLogin(username, password);
-		if (this.currentUser != null)
-			this.currentUser.getUsermail().signIn();
+		if (this.currentUser == null)
+			return false;
+		
+		this.currentUser.getUsermail().signIn();
+		return this.currentUser.getUsermail().getStatus();
 	}
 
 	public boolean removeUser(String username) throws UserNotFoundException {
@@ -53,8 +56,37 @@ public class EasyMail {
 		LocalDateTime timestamp = LocalDateTime.now();
 		Email newEmail = new Email(sender, receiver, subject, content, timestamp);
 		sender.getUsermail().getSentFolder().addEmail(newEmail);
-		receiver.getUsermail().getInbox().addEmail(newEmail);
-		return true;
+		return receiver.getUsermail().getInbox().addEmail(newEmail);
+	}
+
+	public String[] listAllEmailsInInbox() {
+		int size = currentUser.getUsermail().getInbox().getNumberOfEmails();
+		String[] treffer = new String[size];
+
+		for (int i = 0; i < treffer.length; i++)
+			treffer[i] = currentUser.getUsermail().getInbox().toString();
+
+		return treffer;
+	}
+
+	public String[] listAllEmailsInSentFolder() {
+		int size = currentUser.getUsermail().getSentFolder().getNumberOfEmails();
+		String[] treffer = new String[size];
+
+		for (int i = 0; i < treffer.length; i++)
+			treffer[i] = currentUser.getUsermail().getSentFolder().toString();
+
+		return treffer;
+	}
+
+	public String[] listAllEmailsInTrashFolder() {
+		int size = currentUser.getUsermail().getTrashFolder().getNumberOfEmails();
+		String[] treffer = new String[size];
+
+		for (int i = 0; i < treffer.length; i++)
+			treffer[i] = currentUser.getUsermail().getTrashFolder().toString();
+
+		return treffer;
 	}
 
 	public boolean removeEmailFromInbox(String subject) throws Exception {
@@ -76,7 +108,7 @@ public class EasyMail {
 		if (!this.currentUser.getUsermail().getStatus())
 			throw new IllegalStateException("No user is currently logged in!");
 
-		Email removedEmail= this.currentUser.getUsermail().getInbox().removeEmail(subject);
+		Email removedEmail = this.currentUser.getUsermail().getInbox().removeEmail(subject);
 		return this.currentUser.getUsermail().getTrashFolder().addEmail(removedEmail);
 	}
 
@@ -90,7 +122,6 @@ public class EasyMail {
 		this.currentUser.getUsermail().getTrashFolder().removeEmail(subject);
 	}
 
-	
 }
 	
 

MailSystem/src/domain/EasyMailTest.java

@@ -0,0 +1,42 @@
+package domain;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+
+class EasyMailTest {
+
+	private EasyMail easyMail;
+	private char[] password;
+	private char[] confirmPassword;
+
+	@BeforeEach
+	void setUp() throws Exception {
+		easyMail = new EasyMail();
+		password = "password123".toCharArray();
+		confirmPassword = "password123".toCharArray();
+
+		// User registrieren
+		easyMail.userRegister("Alice", "Wonder", "alice", 1995, 20, "Juli", password, confirmPassword);
+		easyMail.userRegister("Bob", "Marley", "bob", 1990, 1, "Juni", password, confirmPassword);
+	}
+
+	@Test
+	void testUserSignin() throws Exception {
+		boolean userSignIn = easyMail.userSignIn("alice@easymail.de", "password123".toCharArray());
+		assertTrue(userSignIn);
+	}
+
+	@Test
+	void testSendEmail() throws Exception {
+		easyMail.userSignIn("alice@easymail.de", "password123".toCharArray());
+		boolean result = easyMail.sendEmail("bob@easymail.de", "Hello", "This is a test email.");
+
+		assertTrue(result);
+		String[] sentEmails = easyMail.listAllEmailsInSentFolder();
+		assertEquals(1, sentEmails.length);
+	}
+}
+

MailSystem/src/domain/email/EmailFolder.java

@@ -1,5 +1,7 @@
 package domain.email;
 
+import java.util.ArrayList;
+
 public interface EmailFolder {
 	
 	    boolean addEmail(Email email);
@@ -7,5 +9,5 @@ public interface EmailFolder {
 	    Email getEmailBySubject(String subject) throws EmailNotFoundException ;
 	    int getNumberOfEmails();
 	    boolean clearAllEmails();
-	    String[] listAllEmails();
+	    ArrayList<Email>listAllEmails();
 }

MailSystem/src/domain/email/Inbox.java

@@ -57,12 +57,9 @@ public class Inbox implements EmailFolder {
     }
 
     @Override
-    public String[] listAllEmails() {
-        String[] subjects = new String[receivedEmails.size()];
-        for (int i = 0; i < receivedEmails.size(); i++) {
-            subjects[i] = receivedEmails.get(i).getSubject();
-        }
-        return subjects;
+    public ArrayList<Email> listAllEmails() {
+        return new ArrayList<>(receivedEmails); // sichere Kopie
     }
+
 }
 

MailSystem/src/domain/email/SentFolder.java

@@ -53,11 +53,8 @@ public class SentFolder implements EmailFolder {
     }
 
     @Override
-    public String[] listAllEmails() {
-        String[] subjects = new String[emails.size()];
-        for (int i = 0; i < emails.size(); i++) 
-            subjects[i] = emails.get(i).toString();
-        
-        return subjects;
+    public ArrayList<Email> listAllEmails() {
+        return new ArrayList<>(emails); 
     }
+
 }

MailSystem/src/domain/email/TrashFolder.java

@@ -56,12 +56,8 @@ public class TrashFolder implements EmailFolder {
     }
 
     @Override
-    public String[] listAllEmails() {
-        String[] subjects = new String[removedEmails.size()];
-        for (int i = 0; i < removedEmails.size(); i++) 
-        	subjects[i] = removedEmails.get(i).toString();
-        
-        return subjects;
+    public ArrayList<Email> listAllEmails() {
+        return new ArrayList<>(removedEmails); 
     }
 }