def test_can_start_a_list_for_one_user(self):
# Emily has heard about a cool new online to-do app. She goes to check out its homepage
self.browser.get(self.live_server_url)
# She notices the page title and header mention to-do lists
self.assertIn('To-Do', self.browser.title)
header_text = self.browser.find_element_by_tag_name('h1').text
self.assertIn('To-Do', header_text)
# She is invited to enter a to-do item straight away
list_page = ListPage(self)
input_box = list_page.get_item_input_box()
self.assertEqual(input_box.get_attribute('placeholder'), 'Enter a to-do item')
# She types "Buy cat toys" into a text box (She has multiple cats that love to play)
input_box.send_keys(E_ITEM_1)
# When she hits enter, the page updates, and now the page lists
# "1: Buy cat toys" as an item in a to-do list
input_box.send_keys(Keys.ENTER)
self.wait_for_row_in_list_table(f'1: {E_ITEM_1}')
# There is still a text box inviting her to add another item. She enters "Surprise cats with toys"
list_page.enter_list_item(E_ITEM_2)
# The page updates again, and now shows both items on her list
self.wait_for_row_in_list_table(f'1: {E_ITEM_1}')
self.wait_for_row_in_list_table(f'2: {E_ITEM_2}')
def test_cannot_add_duplicate_items(self):
# Emily goes to the new home page and starts a new list
self.browser.get(self.live_server_url)
list_page = ListPage(self).add_list_item(E_ITEM_1)
# She accidentally tries to enter a duplicate item
list_page.enter_list_item(E_ITEM_1)
# She sees a helpful error message
self.wait_for(lambda: self.assertEqual(
self.get_error_element().text,
"You've already got this in your list"
))
def test_error_messages_are_cleared_on_input(self):
# Emily starts a list and causes a validation error:
self.browser.get(self.live_server_url)
list_page = ListPage(self).add_list_item(E_ITEM_1)
list_page.enter_list_item(E_ITEM_1)
self.wait_for(lambda: self.assertTrue(
self.get_error_element().is_displayed()
))
# She starts typing in the input box to clear the error
input_box = list_page.get_item_input_box()
input_box.send_keys(E_ITEM_2)
# She is pleased to see that the error message disappears
self.wait_for(lambda: self.assertFalse(
self.get_error_element().is_displayed()
))
def test_cannot_add_empty_list_items(self):
# Emily goes to the home page and accidentally tries to submit an empty list item. She hits enter on the empty
# input box.
self.browser.get(self.live_server_url)
list_page = ListPage(self)
list_page.enter_list_item('')
# The browser intercepts the request, and does not load the list page
self.wait_for(lambda: self.browser.find_element_by_css_selector('#id_text:invalid'))
# She starts typing some text for the new item and the error disappears
input_box = list_page.get_item_input_box()
input_box.send_keys(E_ITEM_1)
self.wait_for(lambda: self.browser.find_element_by_css_selector('#id_text:valid'))
# And she can submit it successfully
input_box.send_keys(Keys.ENTER)
self.wait_for_row_in_list_table(f'1: {E_ITEM_1}')
# Perversely, she now decides to submit a second blank list item
list_page.enter_list_item('')
# Again the browser will not comply
self.wait_for_row_in_list_table(f'1: {E_ITEM_1}')
self.wait_for(lambda: self.browser.find_element_by_css_selector('#id_text:invalid'))
# And she can correct it filling some text in
input_box = list_page.get_item_input_box()
input_box.send_keys(E_ITEM_2)
self.wait_for(lambda: self.browser.find_element_by_css_selector('#id_text:valid'))
input_box.send_keys(Keys.ENTER)
self.wait_for_row_in_list_table(f'1: {E_ITEM_1}')
self.wait_for_row_in_list_table(f'2: {E_ITEM_2}')