def test_ignore_patterns(self):
compare = FilesComparison()
# red != blue, banana != grapefruit => 2 failures
self.assertEqual(
compare.check_strings(['abc', 'red', 'banana'],
['abc', 'blue', 'grapefruit']),
(1, ['2 lines are different, starting at line 2', 'No files']))
# red != blue, banana !~ gr.*t => 2 failures
self.assertEqual(
compare.check_strings(['abc', 'red', 'banana'],
['abc', 'blue', 'grapefruit'],
ignore_patterns=['gr.*t']),
(1, [
'2 lines are different, starting at line 2', 'No files',
'Note exclusions:', ' gr.*t'
]))
# red != blue, but great DOES ~ gr.*t => 1 failure
self.assertEqual(
compare.check_strings(['abc', 'red', 'great'],
['abc', 'blue', 'grapefruit'],
ignore_patterns=['gr.*t']),
(1, [
'1 line is different, starting at line 2', 'No files',
'Note exclusions:', ' gr.*t'
]))
# spangle DOES ~ sp......, and breadfruit DOES ~ .*fruit => success
self.assertEqual(
compare.check_strings(['abc', 'spangle', 'breadfruit'],
['abc', 'spanner', 'grapefruit'],
ignore_patterns=['sp.....', '[bg].*fruit']),
(0, []))
def test_print(self):
msgs = []
compare = FilesComparison(print_fn=lambda x: msgs.append(x))
compare.check_strings(['a'], ['b'], create_temporaries=False)
self.assertEqual(msgs, [
'1 line is different, starting at line 1',
'No files available for comparison'
])
def test_strings_fail(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings([], ['x']),
(1, ['Strings have different numbers of lines',
'No files']))
self.assertEqual(compare.check_strings(['y'], ['x']),
(1, ['1 line is different, starting at line 1',
'No files']))
def test_strings_fail(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings([], ['x'], create_temporaries=False),
(1, ['Strings have different numbers of lines, '
'differences start at end of actual string',
'No files available for comparison']))
self.assertEqual(compare.check_strings(['y'], ['x'], create_temporaries=False),
(1, ['1 line is different, starting at line 1',
'No files available for comparison']))
def test_strip(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings([' abc'], ['abc']),
(1, ['1 line is different, starting at line 1',
'No files']))
self.assertEqual(compare.check_strings([' abc'], ['abc'],
lstrip=True), (0, []))
self.assertEqual(compare.check_strings(['abc '], ['abc'],
rstrip=True), (0, []))
self.assertEqual(compare.check_strings([' abc '], ['abc'],
lstrip=True, rstrip=True),
(0, []))
def test_strip(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings([' abc'], ['abc'],
create_temporaries=False),
(1, ['1 line is different, starting at line 1',
'No files available for comparison']))
self.assertEqual(compare.check_strings([' abc'], ['abc'],
lstrip=True), (0, []))
self.assertEqual(compare.check_strings(['abc '], ['abc'],
rstrip=True), (0, []))
self.assertEqual(compare.check_strings([' abc '], ['abc'],
lstrip=True, rstrip=True),
(0, []))
def test_strings_fail(self):
compare = FilesComparison()
self.assertEqual(
compare.check_strings([], ['x'], create_temporaries=False), (1, [
'Strings have different numbers of lines, '
'differences start at end of actual string',
'No files available for comparison'
]))
self.assertEqual(
compare.check_strings(['y'], ['x'], create_temporaries=False),
(1, [
'1 line is different, starting at line 1',
'No files available for comparison'
]))
def test_preprocess(self):
compare = FilesComparison()
def strip_first_five(strings):
return [s[5:] for s in strings]
def strip_first_seven(strings):
return [s[7:] for s in strings]
self.assertEqual(compare.check_strings(['abc','spangle', 'breadfruit'],
['abc','spanner', 'grapefruit'],
preprocess=strip_first_five),
(1, ['1 line is different, starting at line 2',
'No files']))
self.assertEqual(compare.check_strings(['abc','spangle', 'breadfruit'],
['abc','spanner', 'grapefruit'],
preprocess=strip_first_seven),
(0, []))
def test_permutations(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings(['abc','spangle', 'spanner'],
['spangle','spanner', 'abc'],
max_permutation_cases=1),
(1, ['3 lines are different, starting at line 1',
'No files']))
self.assertEqual(compare.check_strings(['abc','spangle', 'spanner'],
['abc','spanner', 'spangle'],
max_permutation_cases=2),
(0, []))
self.assertEqual(compare.check_strings(['abc','spangle', 'spanner'],
['spangle','spanner', 'abc'],
max_permutation_cases=3),
(0, []))
def test_permutations(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings(['abc','spangle', 'spanner'],
['spangle','spanner', 'abc'],
max_permutation_cases=1,
create_temporaries=False),
(1, ['3 lines are different, starting at line 1',
'No files available for comparison']))
self.assertEqual(compare.check_strings(['abc','spangle', 'spanner'],
['abc','spanner', 'spangle'],
max_permutation_cases=2),
(0, []))
self.assertEqual(compare.check_strings(['abc','spangle', 'spanner'],
['spangle','spanner', 'abc'],
max_permutation_cases=3),
(0, []))
def test_preprocess(self):
compare = FilesComparison()
def strip_first_five(strings):
return [s[5:] for s in strings]
def strip_first_seven(strings):
return [s[7:] for s in strings]
self.assertEqual(compare.check_strings(['abc','spangle', 'breadfruit'],
['abc','spanner', 'grapefruit'],
preprocess=strip_first_five,
create_temporaries=False),
(1, ['1 line is different, starting at line 2',
'No files available for comparison']))
self.assertEqual(compare.check_strings(['abc','spangle', 'breadfruit'],
['abc','spanner', 'grapefruit'],
preprocess=strip_first_seven),
(0, []))
def test_ignore_substrings(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings(['abc','red', 'banana'],
['abc','blue', 'grapefruit']),
(1, ['2 lines are different, starting at line 2',
'No files']))
self.assertEqual(compare.check_strings(['abc','red', 'banana'],
['abc','blue', 'grapefruit'],
ignore_substrings=['re']),
(1, ['1 line is different, starting at line 3',
'No files',
'Note exclusions:', ' re']))
self.assertEqual(compare.check_strings(['abc','red', 'banana'],
['abc','blue', 'grapefruit'],
ignore_substrings=['ue','gra']),
(0, []))
def test_ignore_patterns(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings(['abc','red', 'banana'],
['abc','blue', 'grapefruit']),
(1, ['2 lines are different, starting at line 2',
'No files']))
self.assertEqual(compare.check_strings(['abc','red', 'banana'],
['abc','blue', 'grapefruit'],
ignore_patterns=['gr.*t']),
(1, ['2 lines are different, starting at line 2',
'No files',
'Note exclusions:', ' gr.*t']))
self.assertEqual(compare.check_strings(['abc','spangle', 'breadfruit'],
['abc','spanner', 'grapefruit'],
ignore_patterns=['sp.....',
'.*fruit']),
(0, []))
def test_strip(self):
compare = FilesComparison()
self.assertEqual(
compare.check_strings([' abc'], ['abc'],
create_temporaries=False),
(1, [
'1 line is different, starting at line 1',
'No files available for comparison'
]))
self.assertEqual(
compare.check_strings([' abc'], ['abc'], lstrip=True), (0, []))
self.assertEqual(
compare.check_strings(['abc '], ['abc'], rstrip=True), (0, []))
self.assertEqual(
compare.check_strings([' abc '], ['abc'],
lstrip=True,
rstrip=True), (0, []))
def test_ignore_substrings(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings(['abc','red', 'banana'],
['abc','blue', 'grapefruit'],
create_temporaries=False),
(1, ['2 lines are different, starting at line 2',
'No files available for comparison']))
self.assertEqual(compare.check_strings(['abc','blue', 'banana'],
['abc','red', 'grapefruit'],
ignore_substrings=['re'],
create_temporaries=False),
(1, ['1 line is different, starting at line 3',
'No files available for comparison',
'Note exclusions:',
' ignore_substrings:',
' re']))
self.assertEqual(compare.check_strings(['abc','red', 'banana'],
['abc','blue', 'grapefruit'],
ignore_substrings=['ue','gra']),
(0, []))
def test_ignore_patterns(self):
compare = FilesComparison()
# red != blue, banana != grapefruit => 2 failures
self.assertEqual(compare.check_strings(['abc','red', 'banana'],
['abc','blue', 'grapefruit'],
create_temporaries=False),
(1, ['2 lines are different, starting at line 2',
'No files available for comparison']))
# red != blue, banana !~ gr.*t => 2 failures
self.assertEqual(compare.check_strings(['abc','red', 'banana'],
['abc','blue', 'grapefruit'],
ignore_patterns=['gr.*t'],
create_temporaries=False),
(1, ['2 lines are different, starting at line 2',
'No files available for comparison',
'Note exclusions:',
' ignore_patterns:',
' gr.*t']))
# red != blue, but great DOES ~ gr.*t => 1 failure
self.assertEqual(compare.check_strings(['abc','red', 'great'],
['abc','blue', 'grapefruit'],
ignore_patterns=['gr.*t'],
create_temporaries=False),
(1, ['1 line is different, starting at line 2',
'No files available for comparison',
'Note exclusions:',
' ignore_patterns:',
' gr.*t']))
# spangle DOES ~ sp......, and breadfruit DOES ~ .*fruit => success
self.assertEqual(compare.check_strings(['abc','spangle', 'breadfruit'],
['abc','spanner', 'grapefruit'],
ignore_patterns=[
'sp.....',
'[bg].*fruit'
]),
(0, []))
def test_strings_ok(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings([], []), (0, []))
self.assertEqual(compare.check_strings(['abc'], ['abc']), (0, []))
self.assertEqual(compare.check_strings(['ab', 'c'], ['ab', 'c']),
(0, []))
def test_print(self):
msgs = []
compare = FilesComparison(print_fn=lambda x: msgs.append(x))
compare.check_strings(['a'], ['b'], create_temporaries=False)
self.assertEqual(msgs, ['1 line is different, starting at line 1',
'No files available for comparison'])
def test_print(self):
msgs = []
compare = FilesComparison(print_fn=lambda x: msgs.append(x))
compare.check_strings(['a'], ['b'])
self.assertEqual(msgs, ['1 line is different, starting at line 1',
'No files'])
def test_strings_ok(self):
compare = FilesComparison()
self.assertEqual(compare.check_strings([], []), (0, []))
self.assertEqual(compare.check_strings(['abc'], ['abc']), (0, []))
self.assertEqual(compare.check_strings(['ab', 'c'], ['ab', 'c']),
(0, []))