def test_charclass():
assert regexp.match('[a-zA-Z0-9]', 'a')
assert regexp.match('[a-zA-Z0-9]', 'A')
assert regexp.match('[a-zA-Z0-9]', '0')
assert not regexp.match('[a-zA-Z0-9]', '.')
assert regexp.match('[abc]', 'a')
assert not regexp.match('[abc]', 'd')
assert not regexp.match('[.]', 'a')
def test_charclass_complement():
assert not regexp.match('[^a-zA-Z0-9]', 'a')
assert not regexp.match('[^a-zA-Z0-9]', 'A')
assert not regexp.match('[^a-zA-Z0-9]', '0')
assert regexp.match('[^a-zA-Z0-9]', '.')
assert not regexp.match('[^abc]', 'a')
assert regexp.match('[^abc]', 'd')
assert regexp.match('[^.]', 'a')
def test_escaped():
assert regexp.match('\\.', '.')
assert regexp.match('\\\\', '\\')
assert regexp.match('\\.', '.')
assert regexp.match('\\t', '\t')
assert not regexp.match('\\\\n', '\n')
assert not regexp.match('\\.', 'a')
def test_match_quant11(self):
self.assertFalse(regexp.match("col.*r$", "colors"))
def test_match_quant10(self):
self.assertTrue(regexp.match("col.*r", "collar"))
def test_match_quant6(self):
self.assertTrue(regexp.match("colou*r", "colouur"))
def test_match_quant2(self):
self.assertTrue(regexp.match("colou?r", "colour"))
def test_match_pos10(self):
self.assertFalse(regexp.match("^apple$", "apple pie"))
def test_match_pos8(self):
self.assertTrue(regexp.match("^apple$", "apple"))
def test_concatenation():
assert regexp.match('^a+b+$', 'aaabbb')
assert not regexp.match('^a+b+$', 'abab')
assert not regexp.match('^a+b+$', 'aaaa')
def test_optional():
assert regexp.match('^(foo)?$', '')
assert regexp.match('^foo?$', 'fo')
def test_plus():
assert regexp.match('^a+$', 'aaaaaaaa')
assert regexp.match('^(foo)+$', 'foofoofoo')
assert not regexp.match('^a+$', '')
assert not regexp.match('^a+$', 'bbbb')
def test_star():
assert regexp.match('^a*$', '')
assert regexp.match('^a*$', 'aaaaaaaa')
assert regexp.match('^(foo)*$', 'foofoofoo')
assert not regexp.match('^a*$', 'bbbb')
def test_wildcard():
assert regexp.match('.', 'a')
assert regexp.match('.', '8')
assert regexp.match('.', '\t')
assert not regexp.match('.', '')
def test_match_pos5(self):
self.assertTrue(regexp.match(".$", "apple"))
def test_match_pos6(self):
self.assertTrue(regexp.match("apple$", "tasty apple"))
def test_union():
assert regexp.match('^foo|bar$', 'bar')
assert not regexp.match('^foo|bar$', 'foobar')
def test_match_pos9(self):
self.assertFalse(regexp.match("^apple$", "tasty apple"))
def test_repetition():
assert regexp.match('^(ab){5}$', 'ab' * 5)
assert not regexp.match('^(ab){5}$', 'ab' * 4)
assert not regexp.match('^(ab){5}$', 'ab' * 6)
assert regexp.match('^(ab){5,}$', 'ab' * 5)
assert regexp.match('^(ab){5,}$', 'ab' * 6)
assert not regexp.match('^(ab){5,}$', 'ab' * 4)
assert regexp.match('^(ab){,5}$', 'ab' * 5)
assert regexp.match('^(ab){,5}$', 'ab' * 4)
assert not regexp.match('^(ab){,5}$', 'ab' * 6)
assert regexp.match('^(ab){4,5}$', 'ab' * 4)
assert regexp.match('^(ab){4,5}$', 'ab' * 5)
assert not regexp.match('^(ab){4,5}$', 'ab' * 3)
assert not regexp.match('^(ab){4,5}$', 'ab' * 6)
def test_match_pos12(self):
self.assertFalse(regexp.match("^le", "apple"))
def test_begin_token():
assert regexp.match('^foo', 'foobar')
assert regexp.match('bar', 'foobar')
assert not regexp.match('^bar', 'foobar')
def test_match_quant3(self):
self.assertFalse(regexp.match("colou?r", "colouur"))
def test_end_token():
assert regexp.match('bar$', 'foobar')
assert regexp.match('foo', 'foobar')
assert not regexp.match('foo$', 'foobar')
