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_mask_invert_apply_to_str(self):
"""not quite unit test --> chaining of Mask methods"""
input_str = 'all your bases are belong to us'
pattern = '^^^------^^^^^-----^^^^^^----^^'
expected = '--- your ----- are ------ to --'
mask = Mask.from_pattern(pattern=pattern, values_to_punch='^')
self.assertEqual(expected, mask.invert().apply_to(input_str))
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)
def test_str_when_Mask_generic_solid_repr_is_changed_and_Mask_generic_punched_repr_is_changed(
self):
"""Mask.generic_solid_repr is changed to '*' and Mask.generic_punched_repr is changed to 'w'"""
Mask.generic_solid_repr = '*'
Mask.generic_punched_repr = 'w'
mask_1_0_1 = Mask.from_pattern('^-^')
expected = 'w*w'
self.assertEqual(expected, str(mask_1_0_1))
def test_mask_invert_apply_to_str_with_substitute(self):
"""not quite unit test --> chaining of Mask methods"""
input_str = 'all your bases are belong to us'
pattern = '^^^------^^^^^-----^^^^^^----^^'
expected = ' your are to '
mask = Mask.from_pattern(pattern=pattern, values_to_punch='^')
self.assertEqual(expected,
mask.invert().apply_to(input_str, substitute=' '))
def test_apply_to_sequence_of_different_size_than_mask(self):
with self.assertRaises(AssertionError) as context:
input_str = 'all your bases are belong to us'
unmatching_pattern = '-----------------------------' # pattern size != input_str size
dummy_expected = '-------------------------------'
mask = Mask.from_pattern(pattern=unmatching_pattern,
values_to_punch='^')
self.assertEqual(dummy_expected, mask.apply_to(input_str))
def setUp(self):
# @TODO: use mocks for Mask?
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))
masks_eo = [
self.even_are_punched,
self.odd_are_punched,
self.even_are_punched,
self.odd_are_punched,
self.even_are_punched,
self.odd_are_punched,
self.even_are_punched,
self.odd_are_punched,
self.even_are_punched,
self.odd_are_punched,
self.even_are_punched,
self.odd_are_punched,
]
self.stencil_12_12_alternate_even_odd = Stencil.from_masks(masks_eo)
masks_oe = [
self.odd_are_punched, self.even_are_punched, self.odd_are_punched,
self.even_are_punched, self.odd_are_punched, self.even_are_punched,
self.odd_are_punched, self.even_are_punched, self.odd_are_punched,
self.even_are_punched, self.odd_are_punched, self.even_are_punched
]
self.stencil_12_12_alternate_odd_even = Stencil.from_masks(masks_oe)
self.seq_of_seq_1 = [
' 0 1 2 3', ' 4 5 6 7', ' 8 9 10 11', '12 13 14 15'
]
assert all(
len(seq) == len(self.seq_of_seq_1[0]) for seq in self.seq_of_seq_1)
patterns = ['^^^ ^ ^ ', ' ^^^^ ^ ', ' ^ ^^^^^^', '^^^ ^ ^ ']
masks = [Mask.from_pattern(pattern) for pattern in patterns]
self.stencil_1 = Stencil.from_masks(masks=masks)
def test_make_evenly_punched_from_collection_of_values_to_punch(self):
"""this takes a sequence of values to punch, and assembles it in a pattern
where locations at an even indice must be punched, and locations at odd indices
must remain solid. It then creates a mask using this pattern, and the same
values_to_punch provided in a diferent order to the factory"""
size = 12
values_to_punch_in_order = ['3', ' ', 'x', '?', 'w', 't']
values_to_punch_in_disorder = set(elt for elt in ('t', '3', 'x', ' ',
'w', '?'))
pattern = ''.join(values_to_punch_in_order[idx // 2] if idx %
2 == 0 else '-' for idx in range(size))
evenly_punched = Mask.from_pattern(
pattern=pattern, values_to_punch=values_to_punch_in_disorder)
self.assertTrue(evenly_punched == self.even_are_punched)
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 test_make_mask_from_pattern_pattern_is_size_0(self):
with self.assertRaises(AssertionError) as context:
a = Mask.from_pattern(pattern=[])
def test_mask_apply_to_str_with_substitute(self):
input_str = 'all your bases are belong to us'
pattern = '^^^------^^^^^-----^^^^^^----^^'
expected = 'all bases belong us'
mask = Mask.from_pattern(pattern=pattern, values_to_punch='^')
self.assertEqual(expected, mask.apply_to(input_str, substitute=' '))
def test_all_solid_apply_to_str_with_substitute_is_empty_str(self):
input_str = 'all your bases are belong to us'
pattern = '-------------------------------'
expected = '-------------------------------'
mask = Mask.from_pattern(pattern=pattern, values_to_punch='^')
self.assertEqual(pattern, mask.apply_to(input_str, substitute=''))
def test_mask_apply_to_str_1(self):
input_str = 'all your bases are belong to us'
pattern = '^^^------^^^^^-----^^^^^^----^^'
expected = 'all------bases-----belong----us'
mask = Mask.from_pattern(pattern=pattern, values_to_punch='^')
self.assertEqual(expected, mask.apply_to(input_str))
def test_make_evenly_punched(self):
size = 12
pattern = ''.join('^' if idx % 2 == 0 else 'w' for idx in range(size))
evenly_punched = Mask.from_pattern(pattern=pattern)
self.assertTrue(evenly_punched == self.even_are_punched)
def test_from_masks(self):
mask1__0_1_0 = Mask(size=3)
mask1__0_1_0.from_pattern('_^_')
stencil = Stencil.from_masks([mask1__0_1_0, mask1__0_1_0])
self.assertIsInstance(stencil, Stencil)
def test_equality_blanks_of_same_size_are_equal(self):
self.assertTrue(Mask(size=12) == self.blank_that_remains_blank)
def test_make_even_mask_from_negative_indices(self):
indices_to_punch = [-12, -10, -8, -6, -4, -2]
evens = Mask.from_indices(size=12, indices_to_punch=indices_to_punch)
self.assertEqual(self.even_are_punched, evens)
def test_make_even_mask_from_indices(self):
indices_to_punch = [0, 2, 4, 6, 8, 10]
evens = Mask.from_indices(size=12, indices_to_punch=indices_to_punch)
self.assertEqual(self.even_are_punched, evens)
def test_make_mask_from_indices_too_small(self):
with self.assertRaises(AssertionError) as context:
indices_to_punch = [-13, -10, -2]
evens = Mask.from_indices(size=12,
indices_to_punch=indices_to_punch)
self.assertEqual(self.even_are_punched, evens)
def test_make_mask_from_indices_too_large(self):
with self.assertRaises(AssertionError) as context:
indices_to_punch = [0, 2, 4, 14, 10]
evens = Mask.from_indices(size=12,
indices_to_punch=indices_to_punch)
def test_make_mask_from_indices_size_is_0(self):
with self.assertRaises(AssertionError) as context:
indices_to_punch = [0, 2, 4, 6, 8, 10]
evens = Mask.from_indices(size=0,
indices_to_punch=indices_to_punch)
def test_inequality_blanks_of_same_size_are_equal(self):
self.assertFalse(Mask(size=12) != self.blank_that_remains_blank)
def test_make_odd_mask_from_negative_indices(self):
indices_to_punch = [-11, -9, -7, -5, -3, -1]
odds = Mask.from_indices(size=12, indices_to_punch=indices_to_punch)
self.assertEqual(self.odd_are_punched, odds)
def test_mask_with_size_is_0(self):
with self.assertRaises(AssertionError) as context:
none_mask = Mask(size=0)
def test_make_fully_punched(self):
size = 12
pattern = '^' * size
fully_punched = Mask.from_pattern(pattern=pattern)
self.assertTrue(fully_punched == self.all_punched_mask)
def test_equality_blanks_of_different_size_are_not_equal(self):
self.assertFalse(Mask(size=10) == self.blank_that_remains_blank)
def test_all_solid_apply_to_str(self):
input_str = 'all your bases are belong to us'
pattern = '-------------------------------'
expected = '-------------------------------'
mask = Mask.from_pattern(pattern=pattern, values_to_punch='^')
self.assertEqual(expected, mask.apply_to(input_str))
def test_make_odd_mask_from_indices(self):
indices_to_punch = [1, 3, 5, 7, 9, 11]
odds = Mask.from_indices(size=12, indices_to_punch=indices_to_punch)
self.assertEqual(self.odd_are_punched, odds)
def test_make_oddly_punched(self):
size = 12
pattern = ''.join('^' if idx % 2 == 1 else 'w' for idx in range(size))
oddly_punched = Mask.from_pattern(pattern=pattern)
self.assertTrue(oddly_punched == self.odd_are_punched)
