diff --git a/5005CMD_new/__init__.py b/5005CMD_new/__init__.py
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diff --git a/5005CMD_new/__pycache__/newApp.cpython-310.pyc b/5005CMD_new/__pycache__/newApp.cpython-310.pyc
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diff --git a/5005CMD_new/instance/komodo_hub.db b/5005CMD_new/instance/komodo_hub.db
index 5b6b85d..78185aa 100644
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diff --git a/5005CMD_new/newApp.py b/5005CMD_new/newApp.py
index e66a5de..e14d081 100644
--- a/5005CMD_new/newApp.py
+++ b/5005CMD_new/newApp.py
@@ -1,3 +1,5 @@
+# * Gavin's Code *
+
 # Import the required modules for functionality
 from flask import Flask, render_template, request, redirect, url_for, flash, abort, jsonify
 from flask_sqlalchemy import SQLAlchemy
@@ -185,11 +187,12 @@ def send_message():
 
     recipientID = request.form.get('recipientID') # Retrieve the 'recipientID' from form and it should correspond to a valid user in the system that is logged in
     content = request.form.get('content').strip() # Remove any leading/trailing whitespace
+    print(f"➡️ Incoming Message Data: recipientID={recipientID}, content={content}")
     if not recipientID or not content: # These are used to validate input - make sure not empty/ NULL
         flash("Recipient and content are required.", "danger") # If it proves to be empty, it shows a flash message to the user indicating the error
         return redirect(url_for('messages')) # Redirect the user back to the messaging dashboard
     
-    recipient_user = User.query.get(recipientID)
+    recipient_user = db.session.get(User, recipientID)
     if (not recipient_user or 
         recipient_user.id == current_user.id or 
         recipient_user.accountType == "public"): # Make absoloute sure on account type message account restrictions
@@ -198,6 +201,7 @@ def send_message():
     
     new_message = Message(senderID=current_user.id, recipientID=recipientID, content=content) # Security check to ensure confidentiality and protection - verify that the sender is a teacher and the recipient is an enrolled student [*mod*]
     db.session.add(new_message) # Add the new message to the database and add it
+    print(f"Message saved: {new_message}")
     db.session.commit()
     flash("Message sent successfully!", "success") # This is a flash message which indicates the message was sent successfully
     return redirect(url_for('messages')) # *Redirect*
@@ -321,6 +325,5 @@ def add_security_headers(response):
 # Run Flask
 if __name__ == '__main__':
     with app.app_context():
-
         db.create_all() # Ensures database & tables exist
     app.run(debug=True)
diff --git a/5005CMD_new/testing/__pycache__/test_authentication.cpython-310-pytest-8.3.5.pyc b/5005CMD_new/testing/__pycache__/test_authentication.cpython-310-pytest-8.3.5.pyc
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diff --git a/5005CMD_new/testing/__pycache__/test_user_interface.cpython-310-pytest-8.3.5.pyc b/5005CMD_new/testing/__pycache__/test_user_interface.cpython-310-pytest-8.3.5.pyc
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diff --git a/5005CMD_new/testing/test_authentication.py b/5005CMD_new/testing/test_authentication.py
new file mode 100644
index 0000000..7ee9564
--- /dev/null
+++ b/5005CMD_new/testing/test_authentication.py
@@ -0,0 +1,28 @@
+import pytest
+import sys
+import os
+sys.path.insert(0, os.path.abspath(os.path.dirname(__file__) + "/..")) # Finds 'newApp.py' file with absoloute path
+from newApp import app, db  
+from newApp import User  # Import the User model for testing
+from werkzeug.security import check_password_hash # Security test
+
+@pytest.fixture
+def client():
+    app.config['TESTING'] = True # Emulates a test client anf creates an in-memory database for testing
+    app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///:memory:'  # Here is a temporary database for tests
+    client = app.test_client()
+    with app.app_context():
+        db.create_all()  # Create tables in test database
+        yield client
+        db.session.remove()
+        db.drop_all() # Clean up after tests
+
+def test_registration(client):
+    inputVal = client.post('/register', data={ # Test the user's registration
+        'username': 'testuser', # Inpute details[...]
+        'password': 'Test1234',
+        'accountType': 'student'}, 
+        follow_redirects=True)
+    user = User.query.filter_by(username="testuser").first()
+    assert user is not None # Ensures the user is created
+    assert check_password_hash(user.password, "Test1234") # Verify password hashing for utmost security implementation
diff --git a/5005CMD_new/testing/test_msging_feature.py b/5005CMD_new/testing/test_msging_feature.py
new file mode 100644
index 0000000..e0a6853
--- /dev/null
+++ b/5005CMD_new/testing/test_msging_feature.py
@@ -0,0 +1,53 @@
+from newApp import app, db, Message, User
+import pytest
+from werkzeug.security import generate_password_hash # Import password hashing utility as this prevents test case pass (debug)
+
+@pytest.fixture
+def client():
+    app.config['TESTING'] = True # Setting uo a test client with a standalone database
+    app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///:memory:' # Again use an in-memory database for testing
+    client = app.test_client()
+    with app.app_context():
+        db.create_all()
+        yield client
+        db.session.remove()
+        db.drop_all()
+
+def test_send_message(client):
+    """ Test sending a message and ensuring it appears in recipient's inbox """
+    with app.app_context():
+        sender = User(username="sender", password=generate_password_hash("TestPassw0rd1234"), accountType="teacher") # User with hashed pass
+        recipient = User(username="recipient", password=generate_password_hash("TestPassw0rd1234"), accountType="student") # Second user with hashed pass
+        db.session.add(sender)
+        db.session.add(recipient)
+        db.session.flush() # Ensure the associated IDs are assigned before commited
+        db.session.commit()
+        print(f"Sender ID: {sender.id}, Recipient ID: {recipient.id}")
+
+        loginVal = client.post('/login', data={ # Logs in the user before sending a message
+            'username': sender.username,
+            'password': "TestPassw0rd1234", # Plain text because hashing happens inside the login function
+            'accountType': sender.accountType}, 
+            follow_redirects=True)
+        print(f"Login Validation Status: {loginVal.status_code}") # Check 1
+        print(f"Login Validation Data: {loginVal.data.decode()}") # Check 2
+        assert loginVal.status_code == 200, "Login failed" # Status repr if login fails
+        with client.session_transaction() as session: # Simulates session as if user is loggedd in
+            session["_user_id"] = sender.id # Simulating Flask-Login session
+            session["_fresh"] = True # Marks session as fresh
+
+        response = client.post('/messages/send', data={ # Sends a message once a session has started
+            'recipientID': str(recipient.id), # Convert to a string
+            'content': "This is a test message."}, 
+            follow_redirects=True)
+        print(f"Message Send Response Status: {response.status_code}")
+        print(f"Message Send Response Data: {response.data.decode()}")
+
+        db.session.flush() # Here I check the database
+        db.session.commit() # ^
+        all_messages = Message.query.all()
+        print(f"All Messages in database: {all_messages}")
+        message = Message.query.filter_by(recipientID=recipient.id).first()
+        print(f"Retrieved Message: {message}") # Success
+        assert message is not None, "Message was not stored in database" # Assertions
+        assert message.content == "This is a test message.", "Message content not matched" # Check against my input test 
diff --git a/5005CMD_new/testing/test_user_interface.py b/5005CMD_new/testing/test_user_interface.py
new file mode 100644
index 0000000..ff438ef
--- /dev/null
+++ b/5005CMD_new/testing/test_user_interface.py
@@ -0,0 +1,30 @@
+from selenium import webdriver
+import time
+
+def test_home_page_load():
+
+    driver = webdriver.Chrome() # Makes sure webdriver is installed - and the purpose of this is to ensure home page loads correctly
+    driver.get("http://127.0.0.1:5000") # Open the app URL associated with our system
+    time.sleep(2.5)  # Allows the entire page to load
+    assert "Komodo Hub" in driver.title # Validates the page title
+    driver.quit() # Closes the browser
+
+def test_login_redirect():
+    # Tests the login redirect directly 
+    driver = webdriver.Chrome()
+    driver.get("http://127.0.0.1:5000") # URL page
+    loginRedirectButton = driver.find_element("link text", "Login") # Finds the UI with the login button
+    loginRedirectButton.click()
+    time.sleep(2)  # Allows the page to load
+    assert "Login" in driver.title # Ensures the login page loads
+    driver.quit() # Exit to move on
+
+def test_register_redirect():
+    # Tests the register redirect directly 
+    driver = webdriver.Chrome() 
+    driver.get("http://127.0.0.1:5000") # Opens the home page first
+    registerRedirectButton = driver.find_element("link text", "Register") # Finds the UI with the register/signup button
+    registerRedirectButton.click() # Clicks the button
+    time.sleep(2.5) # Allows 2 seconds for the page to load
+    assert "Signup" in driver.title, f"Expected 'Signup' in page title, but got '{driver.title}'"
+    driver.quit() # Close the browser after test has been completed 
diff --git a/5005CMD_new/testing/testing_access_control.py b/5005CMD_new/testing/testing_access_control.py
new file mode 100644
index 0000000..645b6ce
--- /dev/null
+++ b/5005CMD_new/testing/testing_access_control.py
@@ -0,0 +1,35 @@
+from newApp import app, db, User # Import necessary modules from the main application file
+import pytest 
+
+@pytest.fixture
+def client():
+
+    app.config['TESTING'] = True # Enable 'Flask' testing mode
+    client = app.test_client() # Create a test client 
+    with app.app_context():
+        db.create_all() # Create respective tables in the in-memory database
+        yield client 
+        db.session.remove() # Clears the database session after each test is done
+        db.drop_all() # This is done to clean the state for each test after preceding - *remember to remove after in all files *
+
+def test_student_restrictions(client):
+
+    student = User(username="student_user", # Create respective info regarding student user account
+                   password="TestPass123", 
+                   accountType="student")
+    db.session.add(student) # Adds the student to the database
+    db.session.commit()
+    response = client.get('/teacher_dashboard', follow_redirects=True) # Attempt to access teacher dashboard
+    assert response.status_code == 403 # Respective response for error code
+
+def test_teacher_access(client):
+
+    teacher = User(username="teacher_user", password="TestPass123", accountType="teacher") # Create a teacher user
+    db.session.add(teacher) # Add the teacher data to the database
+    db.session.commit() # Commits the changes
+    response = client.get('/teacher_dashboard', follow_redirects=True) # Attempts to access teacher dashboard
+    assert response.status_code == 200 # Successful access code 
+
+"""" A public user test was not done as there many features not yet implemented so seemed pointless yet
+     However, this was done to ensure each account type remained standalone and ensures public user account types
+     will stay secure too considering the security enforecments we have taken """
\ No newline at end of file