def test_find_post_with_invalid_author_id(self):
try:
Post.find_post_by_author("abc")
self.fail("Expect InvalidFieldError")
except InvalidFieldError:
pass
def test_find_post_with_not_exist_author(self):
try:
posts = Post.find_post_by_author(10, 4, 7)
self.fail("Expect UserNotFoundError")
except UserNotFoundError:
pass
def test_find_post_with_invalid_pagination_param(self):
posts, author = Post.find_post_by_author(3, 0, -2)
self.assertEqual(len(posts), 6)
def test_find_post_with_out_of_range_index(self):
posts, author = Post.find_post_by_author(3, 4, 7)
self.assertEqual(len(posts), 0)
def test_find_post_with_valid_info(self):
posts, author = Post.find_post_by_author(3, 1, 3)
self.assertEqual(len(posts), 3)