def test_call_without_buffer(self):
"""
Function should always be called with a buffer provided to return
content of previous files if needed.
"""
with self.assertRaises(TypeError):
get_content_by_number(14)
def test_random_string(self):
content = get_content_by_number(42, self.BUFFER)
self.assertTrue(len(content) <= MIN_LINE_LENGTH)
self.assertTrue(len(content) <= MAX_LINE_LEGTH)
self.assertNotEqual(content, self.BUFFER)
self.assertNotEqual(content, self.FIFTH_LINE)
def test_divisible_both_by_five_and_seven(self):
# should ignore previous rules and return concatenated content of
# previous files
content = get_content_by_number(35, self.BUFFER)
self.assertEqual(content, self.BUFFER)
def test_divisible_by_seven(self):
content = get_content_by_number(49, self.BUFFER)
self.assertEqual(content, self.BUFFER)
def test_divisible_by_five(self):
content = get_content_by_number(25, self.BUFFER)
self.assertEqual(content, self.FIFTH_LINE)
def test_seventh_line(self):
content = get_content_by_number(7, self.BUFFER)
self.assertEqual(content, self.BUFFER)
def test_fifth_line(self):
content = get_content_by_number(5, self.BUFFER)
self.assertEqual(content, self.FIFTH_LINE)