def test_slices_in_y_attribute_is_working_properly(self):
"""testing if the slices_in_y attribute is properly working
"""
test_value = 1001
rs = RenderSlicer(camera=self.camera)
self.assertNotEqual(rs.slices_in_y, test_value)
rs.slices_in_y = test_value
self.assertEqual(rs.slices_in_y, test_value)
def test_slices_in_y_attribute_is_smaller_than_1(self):
"""testing if a ValueError will be raised when the slices_in_y
attribute is set to a value smaller than 1
"""
rs = RenderSlicer(camera=self.camera)
with self.assertRaises(ValueError) as cm:
rs.slices_in_y = 0
self.assertEqual(
str(cm.exception),
'RenderSlicer.slices_in_y should be a non-zero positive integer')
def test_slices_in_y_attribute_is_set_to_None(self):
"""testing if a TypeError will be raised when the slices_in_y attribute
is set to None
"""
rs = RenderSlicer(camera=self.camera)
with self.assertRaises(TypeError) as cm:
rs.slices_in_y = None
self.assertEqual(
str(cm.exception),
"RenderSlicer.slices_in_y should be a non-zero positive integer, "
"not NoneType")
def test_slices_in_y_attribute_is_set_to_a_value_other_than_an_integer(
self):
"""testing if a TypeError will be tested if the slices_in_y attribute
is set to a value other than an integer
"""
rs = RenderSlicer(camera=self.camera)
with self.assertRaises(TypeError) as cm:
rs.slices_in_y = 'not an integer'
self.assertEqual(
str(cm.exception),
'RenderSlicer.slices_in_y should be a non-zero positive integer, '
'not str')