def test_can_start_a_list_for_one_user(new_browser):
# Edith has heard about a cool new online to-do app. She goes
# to check out its homepage
browser = new_browser()
# She notices the page title and header mention to-do lists
assert "To-Do" in browser.title
header_text = browser.find_element_by_tag_name("h1").text
assert "To-Do" in header_text
# She is invited to enter a to-do item straight away
input_box = get_item_input_box(browser)
assert input_box.get_attribute("placeholder") == "Enter a to-do item"
# She types "Buy peacock feathers" into a text box (Edith's hobby
# is tying fly-fishing lures)
input_box.send_keys("Buy peacock feathers")
# When she hits enter, the page updates, and now the page lists
# "1: Buy peacock feathers" as an item in a to-do list
input_box.send_keys(Keys.ENTER)
wait_for_row_in_list_table(browser, "1: Buy peacock feathers")
# There is still a text box inviting her to add another item. She
# enters "Use peacock feathers to make a fly" (Edith is very methodical)
input_box = get_item_input_box(browser)
input_box.send_keys("Use peacock feathers to make a fly")
input_box.send_keys(Keys.ENTER)
# The page updates again, and now shows both items on her list
wait_for_row_in_list_table(browser, "1: Buy peacock feathers")
wait_for_row_in_list_table(browser,
"2: Use peacock feathers to make a fly")
def test_error_messages_are_cleared_on_input(new_browser):
browser = new_browser()
# Edith starts a new list and causes a validation error
get_item_input_box(browser).send_keys("Banter too thick")
get_item_input_box(browser).send_keys(Keys.ENTER)
wait_for_row_in_list_table(browser, "1: Banter too thick")
get_item_input_box(browser).send_keys("Banter too thick")
get_item_input_box(browser).send_keys(Keys.ENTER)
assert wait_for(lambda: get_error_element(browser).is_displayed())
# She starts typing in the input box to clear the error
get_item_input_box(browser).send_keys("a")
# She is pleased to see the error message disappear
assert wait_for(lambda: get_error_element(browser).is_displayed()) is False
def test_layout_and_styling(new_browser):
browser = new_browser()
browser.set_window_size(1024, 768)
# She notices the input box is nicely centered
inputbox = get_item_input_box(browser)
assert (pytest.approx(512, abs=10) == inputbox.location["x"] +
inputbox.size["width"] / 2)
# She starts a new list and sees the input is nicely
# centered there too
inputbox.send_keys("testing")
inputbox.send_keys(Keys.ENTER)
wait_for_row_in_list_table(browser, "1: testing")
inputbox = get_item_input_box(browser)
assert (pytest.approx(512, abs=10) == inputbox.location["x"] +
inputbox.size["width"] / 2)
def test_cannot_add_duplicate_items(new_browser):
# Edith goes to the homepage and starts a new list
browser = new_browser()
get_item_input_box(browser).send_keys("Buy wellies")
get_item_input_box(browser).send_keys(Keys.ENTER)
wait_for_row_in_list_table(browser, "1: Buy wellies")
# She accidently tries to add a duplicate item
get_item_input_box(browser).send_keys("Buy wellies")
get_item_input_box(browser).send_keys(Keys.ENTER)
# She sees a helpful error message
assert (wait_for(lambda: get_error_element(browser).text) ==
"You've already got this in your list")
def test_multiple_users_can_start_lists_at_different_urls(new_browser):
# Edith starts a new to-do list
edith_browser = new_browser()
inputbox = get_item_input_box(edith_browser)
inputbox.send_keys("Buy peacock feathers")
inputbox.send_keys(Keys.ENTER)
wait_for_row_in_list_table(edith_browser, "1: Buy peacock feathers")
# She notices that her list has a unique URL
edith_list_url = edith_browser.current_url
assert re.search(r"/lists/.+", edith_list_url)
# Now a new user, Francis, comes along to the site
edith_browser.quit()
francis_browser = new_browser()
# There is no sign of Edith's list
page_text = francis_browser.find_element_by_tag_name("body").text
assert "Buy peacock feathers" not in page_text
assert "make a fly" not in page_text
# Francis starts a new list
inputbox = get_item_input_box(francis_browser)
inputbox.send_keys("Buy milk")
inputbox.send_keys(Keys.ENTER)
wait_for_row_in_list_table(francis_browser, "1: Buy milk")
# Francis gets his own url
francis_list_url = francis_browser.current_url
assert re.search(r"/lists/.+", edith_list_url)
assert edith_list_url != francis_list_url
# There is still no sign of Edith's list
page_text = francis_browser.find_element_by_tag_name("body").text
assert "Buy peacock feathers" not in page_text
assert "make a fly" not in page_text
def test_cannot_add_empty_list_items(new_browser):
# Edith goes to the home page and accidently tries to submit and empty list
# item. She hits enter on the empty input box
browser = new_browser()
get_item_input_box(browser).send_keys(Keys.ENTER)
# Browser intercepts the request, and does not load the list page
wait_for(lambda: browser.find_element_by_css_selector("#id_text:invalid"))
# She starts writing text for the new item and the error disappears
get_item_input_box(browser).send_keys("Buy milk")
wait_for(lambda: browser.find_element_by_css_selector("#id_text:valid"))
# And she can submit successfully
get_item_input_box(browser).send_keys(Keys.ENTER)
wait_for_row_in_list_table(browser, "1: Buy milk")
# Perversely, she submits a second blank list item
get_item_input_box(browser).send_keys(Keys.ENTER)
# Again, the browser will not comply
wait_for_row_in_list_table(browser, "1: Buy milk")
wait_for(lambda: browser.find_element_by_css_selector("#id_text:invalid"))
# She can correct it by filling some text in
get_item_input_box(browser).send_keys("Make tea")
wait_for(lambda: browser.find_element_by_css_selector("#id_text:valid"))
get_item_input_box(browser).send_keys(Keys.ENTER)
wait_for_row_in_list_table(browser, "1: Buy milk")
wait_for_row_in_list_table(browser, "2: Make tea")