class TestingParser(unittest.TestCase):
def setUp(self):
self.parser = Parser()
self.test_soup = BeautifulSoup(
'<!DOCTYPE html>\n<html>\n\n<head>\n <title>Cats and Dogs</title> \n<meta name="description" content="Page about cats and dogs"> \n <meta name="keywords" content="cats,dogs">\n</head><body><a href="www.dogs.com">Dogs</a><a href="www.cats.com">Cats</a></body></html>',
'html.parser')
self.bad_test_soup = BeautifulSoup('<!DOCTYPE html>\n<html>',
'html.parser')
def test_parser_is_instance_of_Parser(self):
self.assertIsInstance(self.parser, Parser)
def test_parse_webpage_content_returns_dictionary(self):
run_parse_webpage_content = self.parser.parse_webpage_content(
self.test_soup)
self.assertEqual(
run_parse_webpage_content, {
"title": "Cats and Dogs",
"description": "Page about cats and dogs",
"keywords": "cats,dogs"
})
def test_parse_webpage_content_returns_empty_dictionary_if_values_are_empty(
self):
run_parse_webpage_content = self.parser.parse_webpage_content(
self.bad_test_soup)
self.assertEqual(run_parse_webpage_content, {})
def test_parse_webpage_content(self):
self.parser.find_webpage_title = MagicMock()
self.parser.parse_webpage_content(self.test_soup)
self.parser.find_webpage_title.assert_called_once_with(self.test_soup)
def test_parse_webpage_content_calls_webpage_metadata_description(self):
self.parser.find_webpage_metadata = MagicMock(return_value="keywords")
self.parser.parse_webpage_content(self.test_soup)
self.parser.find_webpage_metadata.assert_called_with(
self.test_soup, 'keywords')
def test_find_webpage_title_return_title(self):
run_find_webpage_title = self.parser.find_webpage_title(self.test_soup)
self.assertEqual(run_find_webpage_title, 'Cats and Dogs')
def test_find_webpage_title_returns_empty_string_when_no_title(self):
run_find_webpage_title = self.parser.find_webpage_title(
self.bad_test_soup)
self.assertEqual(run_find_webpage_title, '')
def test_find_webpage_metadata_returns_description(self):
run_find_webpage_metadata = self.parser.find_webpage_metadata(
self.test_soup, 'description')
self.assertEqual(run_find_webpage_metadata, 'Page about cats and dogs')
def test_find_webpage_metadata_returns_empty_string_when_no_description(
self):
run_find_webpage_metadata = self.parser.find_webpage_metadata(
self.bad_test_soup, 'description')
self.assertEqual(run_find_webpage_metadata, '')
def test_find_webpage_metadata_returns_keywords(self):
run_find_webpage_metadata = self.parser.find_webpage_metadata(
self.test_soup, 'keywords')
self.assertEqual(run_find_webpage_metadata, 'cats,dogs')
def test_find_webpage_metadata_returns_empty_string_when_no_keywords(self):
run_find_webpage_metadata = self.parser.find_webpage_metadata(
self.bad_test_soup, 'keywords')
self.assertEqual(run_find_webpage_metadata, '')
def test_check_empty_titles_and_descriptions_returns_true(self):
title = ''
description = ''
self.assertTrue(
self.parser.check_empty_titles_and_descriptions(
title, description))
def test_check_empty_titles_and_descriptions_returns_false(self):
title = "The best website ever"
description = "This is clearly the best website, you want to visit it"
self.assertFalse(
self.parser.check_empty_titles_and_descriptions(
title, description))
def test_parse_webpages_links_returns_an_array(self):
run_parse_webpages_links = self.parser.parse_webpages_links(
self.test_soup)
self.assertIn("www.dogs.com", run_parse_webpages_links)
self.assertIn("www.cats.com", run_parse_webpages_links)
