import unittest

from selenium import webdriver
from selenium.common.exceptions import NoSuchElementException
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By

class TestScenarioA(unittest.TestCase):

    def setUp(self):
        self.driver = webdriver.Firefox()
        self.base_url = "http://localhost:3000"
        self.title_xpath = "//li[last()][contains(concat(' ',normalize-space(@class),' '),' media ')]/div/h5"

    def is_element_exist(self, selector, element):
        try: 
            self.driver.find_element(by=selector, value=element)
        except NoSuchElementException as e: 
            return False
        return True

    def test_B_1(self):
        driver = self.driver
        driver.get(self.base_url)
        self.assertFalse(self.is_element_exist(By.XPATH, self.title_xpath))

    def tearDown(self):
        self.driver.close()

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