functional_tests_login.py

from selenium import webdriver
from webdriver_manager.chrome import ChromeDriverManager
from selenium.webdriver.common.keys import Keys
import unittest


class LoginTest(unittest.TestCase):
    """User checks whether he can log in on app."""
    def setUp(self):
        self.browser = webdriver.Chrome(ChromeDriverManager().install())

    def tearDown(self):
        self.browser.quit()

    def check_fade_messages(self, msg_text):
        """Check whether text is in returned feedback messages."""
        messages = self.browser.find_elements_by_class_name('msg')
        self.assertIn(msg_text, [msg.text for msg in messages])

    def test_login(self):
        # Max has heard about a cool new online app.
        # He goes to login
        self.browser.get('http://127.0.0.1:8000/login')

        # He notices the page title and header mention site name
        self.assertIn('Everything Python', self.browser.title)
        form_header = self.browser.find_element_by_tag_name('h2').text
        self.assertIn('Login', form_header)

        # He finds the username input box
        username_inputbox = self.browser.find_element_by_id('user_name')
        self.assertEqual(
            username_inputbox.get_attribute('placeholder'),
            'username'
        )

        # He finds the password input box
        password_inputbox = self.browser.find_element_by_id('user_password')
        self.assertEqual(
            password_inputbox.get_attribute('placeholder'),
            'password'
        )

        # He types account information the input boxes
        username_inputbox.send_keys('fake_username')
        password_inputbox.send_keys('fake_password)

        # He submits the form
        username_inputbox.send_keys(Keys.ENTER)

        #  He sees the error message
        self.check_fade_messages('Invalid reCAPTCHA. Please try again')

        self.fail('Completed login test!')


if __name__ == '__main__':
    unittest.main(warnings='ignore')