def test_duration_attribute_is_not_an_integer(self):
"""testing if a TypeError will be raised when the duration attribute is
not set to a integer value
"""
d = DurationMixin(duration=10)
with self.assertRaises(TypeError) as cm:
d.duration = "not an integer"
self.assertEqual(cm.exception.message, "DurationMixin.duration should be an non-negative float, not str")
def test_duration_attribute_is_negative(self):
"""testing if a ValueError will be raised when the duration attribute
is set to a negative value
"""
d = DurationMixin(duration=10)
with self.assertRaises(ValueError) as cm:
d.duration = -10
self.assertEqual(cm.exception.message, "DurationMixin.duration should be an non-negative float")
def test_duration_attribute_is_not_an_integer(self):
"""testing if a TypeError will be raised when the duration attribute is
not set to a integer value
"""
d = DurationMixin(duration=10)
with self.assertRaises(TypeError) as cm:
d.duration = 'not an integer'
self.assertEqual(
cm.exception.message,
'DurationMixin.duration should be an non-negative float, not str')
def test_duration_attribute_is_negative(self):
"""testing if a ValueError will be raised when the duration attribute
is set to a negative value
"""
d = DurationMixin(duration=10)
with self.assertRaises(ValueError) as cm:
d.duration = -10
self.assertEqual(
cm.exception.message,
'DurationMixin.duration should be an non-negative float')
def test_duration_argument_is_negative(self):
"""testing if a ValueError will be raised when the duration argument is
negative
"""
with self.assertRaises(ValueError) as cm:
DurationMixin(duration=-10)
self.assertEqual(
cm.exception.message,
'DurationMixin.duration should be an non-negative float')
def test_duration_argument_is_not_an_integer(self):
"""testing if a TypeError will be raised when the duration argument is
not an integer
"""
with self.assertRaises(TypeError) as cm:
DurationMixin(duration='not an integer')
self.assertEqual(
cm.exception.message,
'DurationMixin.duration should be an non-negative float, not str')
def test_duration_argument_skipped(self):
"""testing if the default value will be used when the duration argument
is skipped
"""
d = DurationMixin()
self.assertEqual(d.duration, 0)
def test_duration_attribute_is_working_properly(self):
"""testing if the duration attribute is working properly
"""
d = DurationMixin(duration=10)
d.duration = 15
self.assertEqual(15, d.duration)
def test_duration_argument_is_working_properly(self):
"""testing if the duration argument value is correctly passed to the
duration attribute
"""
d = DurationMixin(duration=10)
self.assertEqual(10, d.duration)
def test_duration_attribute_is_working_properly(self):
"""testing if the duration attribute is working properly
"""
d = DurationMixin(duration=10)
d.duration = 15
self.assertEqual(15, d.duration)
