def test_should_have_a_default_for_divisor(self):
self.assertEqual(frame_rate.FrameRate(10), (10, 1))
self.assertEqual(frame_rate.FrameRate(10, 5), (10, 5))
self.assertEqual(frame_rate.FrameRate(10, 6), (10, 6))
def test_from_collection_should_parse_valid_representations(
self, collection, expected_tuple):
parsed_frame_rate = frame_rate.FrameRate.from_collection(collection)
self.assertIsInstance(parsed_frame_rate, frame_rate.FrameRate)
self.assertEqual(parsed_frame_rate,
frame_rate.FrameRate(*expected_tuple))
class TestFrameRate(TestCase):
def test_should_have_a_default_for_divisor(self):
self.assertEqual(frame_rate.FrameRate(10), (10, 1))
self.assertEqual(frame_rate.FrameRate(10, 5), (10, 5))
self.assertEqual(frame_rate.FrameRate(10, 6), (10, 6))
@parameterized.expand(
[
(frame_rate.FrameRate(30), (30, 1)),
(frame_rate.FrameRate('30'), ('30', 1)),
(0, (0, 1)),
(30, (30, 1)),
(30.0, (30, 1)),
('30', (30, 1)),
('30/1', (30, 1)),
((30, 1), (30, 1)),
([30, 1], (30, 1)),
],
name_func=make_parameterized_test_name_generator_for_scalar_values(
['input', 'output']),
)
def test_decode_should_parse_valid_representations(self, raw_value,
expected_tuple):
decoded_frame_rate = frame_rate.FrameRate.decode(raw_value)
self.assertIsInstance(decoded_frame_rate, frame_rate.FrameRate)
self.assertEqual(decoded_frame_rate,
frame_rate.FrameRate(*expected_tuple))
@parameterized.expand(
[
('', ),
('abc', ),
('30.0'),
('30.1'),
('30/30/30', ),
(-30, ),
(30.1, ),
((), ),
([], ),
((30, 1, 30), ),
((30.1, 1), ),
({}, ),
(set(), ),
],
name_func=make_parameterized_test_name_generator_for_scalar_values(
['input']),
)
def test_decode_should_reject_invalid_representations(self, raw_value):
with self.assertRaises(ValueError):
frame_rate.FrameRate.decode(raw_value)
@parameterized.expand(
[
(frame_rate.FrameRate(30), (30, 1)),
((30, 1), (30, 1)),
([30, 1], (30, 1)),
((0, ), (0, 1)),
((30, ), (30, 1)),
((30, 1), (30, 1)),
((60, 2), (60, 2)),
((62, 4), (62, 4)),
],
name_func=make_parameterized_test_name_generator_for_scalar_values(
['input', 'output']),
)
def test_from_collection_should_parse_valid_representations(
self, collection, expected_tuple):
parsed_frame_rate = frame_rate.FrameRate.from_collection(collection)
self.assertIsInstance(parsed_frame_rate, frame_rate.FrameRate)
self.assertEqual(parsed_frame_rate,
frame_rate.FrameRate(*expected_tuple))
@parameterized.expand(
[
((), ),
([], ),
((30, 1, 30), ),
([30, 1, 30], ),
((30.0, 1), ),
((30.1, 1), ),
((30, '1'), ),
((30, 1.5), ),
((-1, ), ),
((10, -10), ),
((-10, 10), ),
((-10, -10), ),
((10, 0), ),
(frame_rate.FrameRate('30'), ),
],
name_func=make_parameterized_test_name_generator_for_scalar_values(
['input']),
)
def test_from_collection_should_reject_invalid_representations(
self, collection):
with self.assertRaises(ValueError):
frame_rate.FrameRate.from_collection(collection)
@parameterized.expand(
[
('0', (0, 1)),
('30', (30, 1)),
('30/1', (30, 1)),
('60/2', (60, 2)),
('62/4', (62, 4)),
],
name_func=make_parameterized_test_name_generator_for_scalar_values(
['input', 'output']),
)
def test_from_string_should_parse_valid_representations(
self, string_value, expected_tuple):
parsed_frame_rate = frame_rate.FrameRate.from_string(string_value)
self.assertIsInstance(parsed_frame_rate, frame_rate.FrameRate)
self.assertEqual(parsed_frame_rate,
frame_rate.FrameRate(*expected_tuple))
@parameterized.expand(
[
('', ),
('abc', ),
('29.5', ),
('30/1/2', ),
('30/', ),
('/1', ),
('30/1.5', ),
('-1', ),
('10/-10', ),
('-10/10', ),
('-10/-10', ),
],
name_func=make_parameterized_test_name_generator_for_scalar_values(
['input']),
)
def test_from_string_should_reject_invalid_representations(
self, string_value):
with self.assertRaises(ValueError):
frame_rate.FrameRate.from_string(string_value)
@parameterized.expand(
[
((0, 1), (0, 1)),
((30, 1), (30, 1)),
((5, 13), (5, 13)),
((60, 2), (30, 1)),
((62, 4), (31, 2)),
],
name_func=make_parameterized_test_name_generator_for_scalar_values(
['input', 'output']),
)
def test_normalized_should_return_values_without_common_divisors(
self, input_tuple, expected_tuple):
normalized_frame_rate = frame_rate.FrameRate(*input_tuple).normalized()
self.assertIsInstance(normalized_frame_rate, frame_rate.FrameRate)
self.assertEqual(normalized_frame_rate,
frame_rate.FrameRate(*expected_tuple))
def test_to_float(self):
self.assertEqual(frame_rate.FrameRate(10).to_float(), 10.0)
self.assertEqual(frame_rate.FrameRate(5, 2).to_float(), 2.5)
self.assertEqual(frame_rate.FrameRate(10, 2).to_float(), 5.0)
def test_should_have_unambiguous_string_representation(self):
self.assertEqual(str(frame_rate.FrameRate(10)), "10/1")
self.assertEqual(str(frame_rate.FrameRate(10, 5)), "10/5")
self.assertEqual(str(frame_rate.FrameRate(10, 6)), "10/6")
def test_decode_should_parse_valid_representations(self, raw_value,
expected_tuple):
decoded_frame_rate = frame_rate.FrameRate.decode(raw_value)
self.assertIsInstance(decoded_frame_rate, frame_rate.FrameRate)
self.assertEqual(decoded_frame_rate,
frame_rate.FrameRate(*expected_tuple))
def test_should_have_unambiguous_string_representation(self):
self.assertEqual(str(frame_rate.FrameRate(10)), "10/1")
self.assertEqual(str(frame_rate.FrameRate(10, 5)), "10/5")
self.assertEqual(str(frame_rate.FrameRate(10, 6)), "10/6")
def test_to_float(self):
self.assertEqual(frame_rate.FrameRate(10).to_float(), 10.0)
self.assertEqual(frame_rate.FrameRate(5, 2).to_float(), 2.5)
self.assertEqual(frame_rate.FrameRate(10, 2).to_float(), 5.0)
def test_normalized_should_return_values_without_common_divisors(
self, input_tuple, expected_tuple):
normalized_frame_rate = frame_rate.FrameRate(*input_tuple).normalized()
self.assertIsInstance(normalized_frame_rate, frame_rate.FrameRate)
self.assertEqual(normalized_frame_rate,
frame_rate.FrameRate(*expected_tuple))
def test_from_string_should_parse_valid_representations(
self, string_value, expected_tuple):
parsed_frame_rate = frame_rate.FrameRate.from_string(string_value)
self.assertIsInstance(parsed_frame_rate, frame_rate.FrameRate)
self.assertEqual(parsed_frame_rate,
frame_rate.FrameRate(*expected_tuple))
