def test_grouping(self):
a = get_regex_tree("((foo|bar)|baz)")
self.failUnless(a.random() in [
"foo",
"bar",
"baz",
])
def test_url_regex(self):
regex = r'(http|ssh)s?://[^\s\r\n]+'
matcher = re.compile(regex)
a = get_regex_tree(regex)
for i in range(50):
subject = a.random()
if not matcher.match(subject):
raise ValueError("'%s' isnt right!" % subject)
def test_repetition(self):
a = get_regex_tree("a+")
self.failUnlessEqual(a.graph(), "Sq(Re(Ch))")
def test_grouping_then_sequence(self):
a = get_regex_tree("(foo|bar)baz")
self.failUnless(a.random() in [
"foobaz",
"barbaz",
])
def test_repetition(self):
a = get_regex_tree("a?")
self.failUnless(a.random() in [
"",
"a",
])
def test_url_regex(self):
a = get_regex_tree(r'(http|ssh)s?://[^\s\r\n]+')
self.failUnlessEqual(a.graph(),
"Sq(Al(Sq(Ch,Ch,Ch,Ch),Sq(Ch,Ch,Ch)),Re(Ch),Ch,Ch,Ch,Re(Cc^(Cc,Ch,Ch)))")
def test_nested_grouping(self):
a = get_regex_tree("((foo|bar)|baz)")
self.failUnlessEqual(a.graph(), "Sq(Al(Sq(Al(Sq(Ch,Ch,Ch),Sq(Ch,Ch,Ch))),Sq(Ch,Ch,Ch)))")
def test_multiple_grouping(self):
a = get_regex_tree("(f|o|o|b|a|r)")
self.failUnlessEqual(a.graph(), "Sq(Al(Sq(Ch),Sq(Ch),Sq(Ch),Sq(Ch),Sq(Ch),Sq(Ch)))")
def test_grouping_repetition(self):
a = get_regex_tree("(foo|bar){1,2}")
self.failUnlessEqual(a.graph(), "Sq(Re(Al(Sq(Ch,Ch,Ch),Sq(Ch,Ch,Ch))))")
def test_characters(self):
a = get_regex_tree("foo")
self.failUnlessEqual(a.graph(), "Sq(Ch,Ch,Ch)")