Add a regression test script and fix bug

Script.php

@@ -170,8 +170,8 @@ if (!empty($_POST["form_signup"])) {
 
     // apply password_hash()
     $password_hash = password_hash($password, PASSWORD_DEFAULT);
-    $sql = "INSERT INTO `users_table`(`Email`, `Password`, `Full_Name`, `UserType`, `Student_ID`) VALUES "
+    $sql = "INSERT INTO `users_table`(`Email`, `Password`, `HashPassword`, `Full_Name`, `UserType`, `Student_ID`) VALUES "
-        . "('$email','$password_hash','$fullname','Student','$student_id')";
+        . "('$email','$password_hash','','$fullname','Student','$student_id')";
     
 
     $_SESSION['user_fullname'] =$_SESSION['user_fullname_temp'];
@@ -356,17 +356,15 @@ if (!empty($_POST["form_createlecturrer"])){
         exit;
     }
     $password_hash = password_hash("$password", PASSWORD_DEFAULT);
-    $sql = "INSERT INTO `users_table`(`Email`, `Password`, `Full_Name`, `UserType`) VALUES "
+    $sql = "INSERT INTO `users_table`(`Email`, `Password`, `HashPassword`, `Full_Name`, `UserType`) VALUES ('$email','$password_hash','','$fullname','$type')";
-        . "('$email','$password_hash','$fullname','$type')";
 
-    if ($con->query($sql) === TRUE) {
+    try {
+        $result = mysqli_query($con, $sql);
         $_SESSION["info_Admin_Users"] = $type . " user created successfully. Use email " . $email . " as account name and ". $password ." as password.";
         header("Location: Admin.php");
-
+    } catch (Exception $ex) {
-    } else {
+        echo "$ex";
-      alert("Error: " . $sql . "<br>" . $con->error);
     }
-
 }
 
 // ### FUNCTION TO GENERATE INITIAL PASSWORDS ###//

test/SeleniumHui/helper.py

@@ -0,0 +1,33 @@
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+from selenium.common.exceptions import NoSuchElementException, UnexpectedAlertPresentException
+
+
+def login(driver, url, username, password):
+    try:
+        driver.get(url)
+
+        # Fill in the login form
+        user_input = WebDriverWait(driver, 10).until(
+            EC.element_to_be_clickable((By.ID, "user_name"))
+        )
+        user_input.send_keys(username)
+
+        password_input = WebDriverWait(driver, 10).until(
+            EC.element_to_be_clickable((By.ID, "user_password"))
+        )
+        password_input.send_keys(password)
+
+        # Click the login button
+        login_button = WebDriverWait(driver, 10).until(
+            EC.element_to_be_clickable((By.ID, "login_btn"))
+        )
+        login_button.click()
+
+        # Wait for the admin_tab to become clickable
+        admin_tab = WebDriverWait(driver, 10).until(
+            EC.element_to_be_clickable((By.ID, "admin_tab"))
+        )
+    except (NoSuchElementException, UnexpectedAlertPresentException) as e:
+        return f"Error: {str(e)}"

test/SeleniumHui/test_lrr.py

@@ -0,0 +1,73 @@
+from helper import login
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support.wait import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+import time
+
+def test_admin_can_create_lecturer_account(driver, url, admin_username, admin_password, restore_database):
+    # Administrator (admin@qq.com, password 123) logs in
+    driver.maximize_window()
+    login(driver, url, admin_username, admin_password)
+
+    # Create a Lecture account for mrlan@qq.com, password [123Abc!]
+    tab = driver.find_element(By.ID, 'tab_ins_accounts')    
+    tab.click()
+    elem = driver.find_element(By.NAME, 'fullname')
+    elem.send_keys('Mr Lan')
+    elem = driver.find_element(By.NAME, 'email')
+    elem.send_keys('mrlan@qq.com')
+    elem = driver.find_element(By.NAME, 'password')
+    elem.send_keys('123Abc!!')
+    radio_button = driver.find_element(By.NAME, 'type')
+    radio_button.click()    
+    button = driver.find_element(By.NAME, 'create_btn')
+    button.click()
+    time.sleep(1)
+    
+    # Log out Admin
+    logout_button = WebDriverWait(driver, 10).until(
+        EC.element_to_be_clickable(
+            (By.XPATH, "//a[contains(@class, 'nav-link') and contains(@href, 'logout.php')]"))
+    )
+    logout_button.click()
+    time.sleep(1)
+    
+    # Log in Lecture account
+    login(driver, url, 'mrlan@qq.com', '123Abc!!')
+    elems = driver.find_elements(By.CLASS_NAME, 'nav-link')
+    assert '(Lecturer)' in elems[0].text
+    driver.quit()
+    
+    
+
+def test_lecturer_can_create_course():
+    # Lecturer mrlan@qq.com logs in
+    # Create a course called CSC1001 Advanced Software Engineering, 2024
+    assert True
+
+
+def test_lecturer_can_post_assignment():
+    # Lecturer mrlan@qq.com logs in
+    # Create an assignment called Take-home quiz 1 for course CSC1001
+    assert True
+
+
+def test_lecturer_can_add_student_numbers():
+    # Lecturer mrlan@qq.com logs in
+    # Add 6 ASE student numbers
+    assert True
+
+
+def test_student_can_sign_up():
+    # Student with recognizable student number can sign up an account
+    assert True
+
+
+def test_student_can_join_course():
+    # Student can join CSC1001 Advanced Software Engineering
+    assert True
+
+
+def test_student_can_submit_assignment():
+    # Student can submit Take-home quiz 1 for CSC1001
+    assert True