diff --git a/test/SeleniumMpiana/helper.py b/test/SeleniumMpiana/helper.py
new file mode 100644
index 0000000..bea59f9
--- /dev/null
+++ b/test/SeleniumMpiana/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)}"
diff --git a/test/SeleniumMpiana/test_bug418_yaaqob.py b/test/SeleniumMpiana/test_bug418_yaaqob.py
new file mode 100644
index 0000000..bb1a95d
--- /dev/null
+++ b/test/SeleniumMpiana/test_bug418_yaaqob.py
@@ -0,0 +1,122 @@
+import pytest
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support.ui import Select
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+from selenium.common.exceptions import NoSuchElementException, UnexpectedAlertPresentException
+from helper import login
+
+@pytest.mark.parametrize("course_id, course_name, ta_name", [(1, "Teecloudy - Ashly Course Testing", "Mark")])
+def test_assign_a_new_ta_to_a_course(course_id, course_name, ta_name, driver, url, admin_username, admin_password, restore_database):
+ try:
+ driver.maximize_window()
+
+ login(driver, url, admin_username, admin_password)
+
+ admin_tab = WebDriverWait(driver, 10).until(
+ EC.element_to_be_clickable((By.ID, "admin_tab"))
+ )
+ admin_tab.click()
+
+ # Locate the form and select the TA
+ ta_form = WebDriverWait(driver, 15).until(
+ EC.presence_of_element_located((By.XPATH, f"//form[@id='drop_menu_form_{course_id}']"))
+ )
+
+ ta_dropdown = Select(ta_form.find_element(By.XPATH, ".//select[@name='ta']"))
+ ta_dropdown.select_by_visible_text(ta_name)
+
+ # Submit the form using JavaScript
+ driver.execute_script("arguments[0].submit();", ta_form)
+
+ # find table courses
+ table_courses = WebDriverWait(driver, 10).until(
+ EC.presence_of_element_located((By.XPATH, ".//*[@id='tab-existing-courses']/table"))
+ )
+ # find the row with matching course_name
+ course_row = table_courses.find_element(By.XPATH, f".//tr[td='{course_name}']")
+ # find the column with TA name
+ ta_column = course_row.find_element(By.XPATH, ".//td[4]")
+
+ # assert the TA name in the column
+ assert ta_name in ta_column.text, f"Error: TA name {ta_name} not found in the column {ta_column.text}"
+
+ except NoSuchElementException as e:
+ return f"Error: {str(e)}"
+ except UnexpectedAlertPresentException as e:
+ return f"Error: {str(e)}"
+ except AssertionError as e:
+ return f"Error: {str(e)}"
+ except Exception as e:
+ return f"Error: {str(e)}"
+ finally:
+ driver.quit()
+
+
+@pytest.mark.parametrize("course_id, course_name, ta_name", [(1, "Teecloudy - Ashly Course Testing", "Mark")])
+def test_assign_the_same_ta_to_the_same_course_twice(course_id, course_name, ta_name, driver, url, admin_username, admin_password, restore_database):
+ try:
+ driver.maximize_window()
+ login(driver, url, admin_username, admin_password)
+
+ admin_tab = WebDriverWait(driver, 10).until(
+ EC.element_to_be_clickable((By.ID, "admin_tab"))
+ )
+ admin_tab.click()
+
+ # Hui: assign the TA for the first time
+ # (1) Locate the form and select the TA
+ ta_form = WebDriverWait(driver, 15).until(
+ EC.presence_of_element_located((By.XPATH,
+ f"//form[@id='drop_menu_form_{course_id}']")) )
+
+ ta_dropdown = Select(ta_form.find_element(By.XPATH, ".//select[@name='ta']"))
+ ta_dropdown.select_by_visible_text(ta_name)
+
+ # (2) Submit the form using JavaScript
+ driver.execute_script("arguments[0].submit();", ta_form)
+
+ # (3) Find table courses
+ table_courses_before = WebDriverWait(driver, 10).until(
+ EC.presence_of_element_located((By.XPATH, ".//*[@id='tab-existing-courses']/table"))
+ )
+ # (4) Find the row with matching course_name
+ course_row_before = table_courses_before.find_element(By.XPATH, f".//tr[td='{course_name}']")
+ # (5) Find the column with TA name
+ old_cell_content = course_row_before.find_element(By.XPATH, ".//td[4]").text
+
+
+ # Hui: assign the same TA again
+ ta_form = WebDriverWait(driver, 15).until(EC.presence_of_element_located((By.XPATH, f"//form[@id='drop_menu_form_{course_id}']")))
+ ta_dropdown = Select(ta_form.find_element(By.XPATH, ".//select[@name='ta']"))
+ ta_dropdown.select_by_visible_text(ta_name)
+ driver.execute_script("arguments[0].submit();", ta_form)
+
+ # Wait for an expected alert and accept it
+ WebDriverWait(driver, 10).until(EC.alert_is_present())
+ alert = driver.switch_to.alert
+ alert_text = alert.text
+ alert.accept()
+
+ # find table courses
+ table_courses_after = WebDriverWait(driver, 10).until(
+ EC.presence_of_element_located((By.XPATH, ".//*[@id='tab-existing-courses']/table"))
+ )
+ # find the row with matching course_name
+ course_row_after = table_courses_after.find_element(By.XPATH, f".//tr[td='{course_name}']")
+ # find the column with TA name
+ new_cell_content = course_row_after.find_element(By.XPATH, ".//td[4]").text
+
+ # assert the TA name in the column
+ assert old_cell_content == new_cell_content, f"Error: TA name in the column has changed from {old_cell_content} to {new_cell_content}"
+
+ except NoSuchElementException as e:
+ return f"Error: {str(e)}"
+ except UnexpectedAlertPresentException as e:
+ return f"Error: {str(e)}"
+ except AssertionError as e:
+ return f"Error: {str(e)}"
+ except Exception as e:
+ return f"Error: {str(e)}"
+ finally:
+ driver.quit()
diff --git a/test/conftest.py b/test/conftest.py
new file mode 100644
index 0000000..3741f44
--- /dev/null
+++ b/test/conftest.py
@@ -0,0 +1,46 @@
+import os
+import pytest
+from selenium import webdriver
+
+
+@pytest.fixture
+def restore_database():
+ ''' Restore the database.
+ It is useful for making sure that each end-to-end test
+ starts with the same database.
+ Benefit: we can reproduce the same test result.
+ '''
+
+ PASSWORD = 'p-@va9' # root password
+ DB_NAME = 'lrr' # database name used for LRR
+
+ # commands used to import data to DB_NAME
+ cmds = [
+ f'mysql -u root -p{PASSWORD} -e "DROP DATABASE IF EXISTS {DB_NAME};"',
+ f'mysql -u root -p{PASSWORD} -e "CREATE DATABASE {DB_NAME};"',
+ f'mysql -u root -p{PASSWORD} -e "GRANT ALL PRIVILEGES ON {DB_NAME}.* TO lrr@localhost WITH GRANT OPTION;"',
+ f'mysql -u root -p{PASSWORD} {DB_NAME} < ../lrr_database.sql']
+
+ for command in cmds:
+ os.system(command)
+ return None
+
+
+@pytest.fixture
+def url():
+ return 'http://localhost/LRR/' # URL of LRR
+
+
+@pytest.fixture
+def driver():
+ return webdriver.Chrome()
+
+
+@pytest.fixture
+def admin_username():
+ return 'admin@qq.com'
+
+
+@pytest.fixture
+def admin_password():
+ return '123'