def test_average_speed_per_second_raises_exception_when_distance_less_than_zero(self):
# Arrange
start = timezone.now()
finish = start + datetime.timedelta(seconds=1)
# Act & Assert
with self.assertRaises(ValueError):
compute.average_speed_per_second(start, finish, -0.1)
def test_average_speed_per_second_raises_exception_when_finish_equals_start(self):
# Arrange
start = timezone.now()
finish = start
# Act & Assert
with self.assertRaises(ValueError):
compute.average_speed_per_second(start, finish, 10)
def test_average_speed_per_second_raises_exception_when_finish_less_than_start(self):
# Arrange
finish = timezone.now()
start = finish + datetime.timedelta(seconds=1)
# Act & Assert
with self.assertRaises(ValueError):
compute.average_speed_per_second(start, finish, 10)
def test_average_speed_per_second_raises_exception_when_distance_equals_zero(
self):
# Arrange
start = timezone.now()
finish = start + datetime.timedelta(seconds=1)
# Act & assert
with self.assertRaises(ValueError):
compute.average_speed_per_second(start, finish, 0)
def test_average_speed_per_second_raises_exception_when_finish_less_than_start(
self):
# Arrange
finish = timezone.now()
start = finish + datetime.timedelta(seconds=1)
# Act & Assert
with self.assertRaises(ValueError):
compute.average_speed_per_second(start, finish, 10)
def test_average_speed_per_second_raises_exception_when_finish_equals_start(
self):
# Arrange
start = timezone.now()
finish = start
# Act & Assert
with self.assertRaises(ValueError):
compute.average_speed_per_second(start, finish, 10)
def test_average_speed_per_second_returns_none_when_no_finish(self):
# Arrange
start = timezone.now()
# Act
avg_sps = compute.average_speed_per_second(start, None, 10)
# Assert
self.assertEqual(None, avg_sps)
def test_average_speed_per_second_returns_none_when_no_finish(self):
# Arrange
start = timezone.now()
# Act
avg_sps = compute.average_speed_per_second(start, None, 10)
# Assert
self.assertEqual(None, avg_sps)
def test_average_speed_per_second_returns_5mps_50m_in_10s(self):
# Arrange
start = timezone.now()
finish = start + datetime.timedelta(seconds=10)
# Act
avg_sps = compute.average_speed_per_second(start, finish, 50)
# Assert
self.assertEqual(5, avg_sps)
def test_average_speed_per_second_returns_5mps_50m_in_10s(self):
# Arrange
start = timezone.now()
finish = start + datetime.timedelta(seconds=10)
# Act
avg_sps = compute.average_speed_per_second(start, finish, 50)
# Assert
self.assertEqual(5, avg_sps)