def test_inequality_masks_with_same_punched_pattern_are_equal_but_not_case_D(
self):
"""case_D: if their Mask.generic_solid_repr was changed between instance creation"""
Mask.generic_solid_repr = '*'
mask_case_d__0_1_0 = Mask(size=3)
mask_case_d__0_1_0._punch_mask([False, True, False])
self.assertTrue(self.mask1__0_1_0 != mask_case_d__0_1_0)
class TestMaskBase(unittest.TestCase):
"""Shared setUp() and tearDown() for Mask tests"""
def setUp(self):
self.blank_that_remains_blank = Mask(size=12)
self.blank_ready_to_punch = Mask(size=12)
self.mask1__0_1_0 = Mask(size=3)
self.mask1__0_1_0._punch_mask([False, True, False])
self.mask2__0_1_0 = Mask(size=3)
self.mask2__0_1_0._punch_mask([False, True, False])
# all instances of Mask created below, but within setUp() require
# protected access to inject values and avoid using the methods
# of Mask or the Mask factories to build
self.all_punched_mask = Mask(size=12)
self.all_punched_mask._mask = tuple(PUNCHED for _ in range(12))
# the two following instances are 'negative' of each other and
# can be compared via the invert() method
self.even_are_punched = Mask(size=12)
self.even_are_punched._mask = tuple(SOLID if pos % 2 else PUNCHED
for pos in range(12))
self.odd_are_punched = Mask(size=12)
self.odd_are_punched._mask = tuple(PUNCHED if pos % 2 else SOLID
for pos in range(12))
def tearDown(self):
# a hacky fix for the changes of class variable values that create problems in tests:
Mask.generic_punched_repr = _STANDARD_PUNCHED_REPR
Mask.generic_solid_repr = _STANDARD_SOLID_REPR
def test_inequality_masks_with_same_punched_pattern_are_equal_in_case_F(
self):
"""case_F: if Mask.generic_solid_repr was changed before the two instance compared are created"""
Mask.generic_solid_repr = '*'
mask_case_f1__0_1_0 = Mask(size=3)
mask_case_f1__0_1_0._punch_mask([False, True, False])
mask_case_f2__0_1_0 = Mask(size=3)
mask_case_f2__0_1_0._punch_mask([False, True, False])
self.assertFalse(mask_case_f1__0_1_0 != mask_case_f2__0_1_0)