def test_first_page_default(self):
"""
Test that the first page is returned by default.
"""
create_articles(11)
self.assertEqual(Article.get_articles()[0],
Article.get_articles(page=1)[0])
def test_doesnt_return_unpublished(self):
"""
Test that only published articles are returned, and unpublished
articles are left out.
"""
published_article = Article.objects.create(published=True)
Article.objects.create(published=False)
self.assertEqual(len(Article.get_articles()), 1)
self.assertEqual(published_article, Article.get_articles()[0])
def test_pagination(self):
"""
Test that articles are returned in pages, with the first page
containing the most recent articles.
"""
create_articles(11)
second_article = Article.get_articles(page=1)[9]
first_article = Article.get_articles(page=2)[0]
self.assertEqual(second_article.id, 2)
self.assertEqual(first_article.id, 1)
def test_returns_published_articles(self):
"""
Test that the Article model has a get_articles method that
returns published articles.
"""
article = Article.objects.create(published=True)
self.assertEqual(article, Article.get_articles()[0])
def test_order_by_published_date(self):
"""
Test that the articles returned are ordered by published date
descending.
"""
create_articles(10)
dates = []
for article in Article.get_articles():
dates.append(article.date)
dates_diff = [i - j for i, j in zip(dates[:-1], dates[1:])]
dates_diff_is_positive = [i.total_seconds() > 0 for i in dates_diff]
self.assertTrue(all(dates_diff_is_positive))
def test_returns_ten_articles(self):
"""
Test that a maximum of 10 articles are returned.
"""
create_articles(11)
self.assertEqual(len(Article.get_articles()), 10)
