def test_orString(self):
regex = RegExpBuilder()
regex.either(["p", "q"])
regex = regex.get_regexp()
self.assertTrue(regex.match("p") is not None)
self.assertTrue(regex.match("q") is not None)
self.assertTrue(regex.match("r") is None)
def test_asGroup(self):
regex = RegExpBuilder()
regex.min(1).max(3).of("p")
regex.exactly(1).of("dart").as_group()
regex.exactly(1).from_class(["p", "q", "r"])
regex = regex.get_regexp()
self.assertTrue(regex.match("pdartq").group(1) == "dart")
def test_start_of_line(self):
regex = RegExpBuilder()
regex.start_of_line()
regex.exactly(1).of("p")
regex = regex.get_regexp()
self.assertTrue(regex.match("p") is not None)
self.assertTrue(regex.match("qp") is None)
def test_ahead(self):
regex = RegExpBuilder()
regex.exactly(1).of("dart")
regex.ahead(RegExpBuilder().exactly(1).of("lang"))
regex = regex.get_regexp()
self.assertTrue(regex.match("dartlang").group() == "dart")
self.assertTrue(regex.match("dartpqr") is None)
def test_notAhead(self):
regex = RegExpBuilder()
regex.exactly(1).of("dart")
regex.not_ahead(RegExpBuilder().exactly(1).of("pqr"))
regex = regex.get_regexp()
self.assertTrue(regex.match("dartlang") is not None)
self.assertTrue(regex.match("dartpqr") is None)
def test_reluctantly(self):
regex = RegExpBuilder()
regex.exactly(2).of("p")
regex.min(2).of_any().reluctantly()
regex.exactly(2).of("p")
regex = regex.get_regexp()
self.assertTrue(regex.match("pprrrrpprrpp").group() == "pprrrrpp")
def test_ofAny(self):
regex = RegExpBuilder()
regex.start_of_line()
regex.exactly(3).of_any()
regex.end_of_line()
regex = regex.get_regexp()
self.assertTrue(regex.match("pqr") is not None)
def test_notFromClass(self):
someLetters = ["p", "q", "r"]
regex = RegExpBuilder()
regex.start_of_line()
regex.exactly(3).not_from_class(someLetters)
regex.end_of_line()
regex = regex.get_regexp()
self.assertTrue(regex.match("lmn") is not None)
self.assertTrue(regex.match("mnq") is None)
def test_ofGroup(self):
regex = RegExpBuilder()
regex.start_of_line()
regex.exactly(3).of("p").as_group()
regex.exactly(1).of("q")
regex.exactly(1).of_group(1)
regex.end_of_line()
regex = regex.get_regexp()
self.assertTrue(regex.match("pppqppp") is not None)
def test_min(self):
regex = RegExpBuilder()
regex.start_of_line()
regex.min(2).of("p")
regex.end_of_line()
regex = regex.get_regexp()
self.assertTrue(regex.match("pp") is not None)
self.assertTrue(regex.match("ppp") is not None)
self.assertTrue(regex.match("ppppppp") is not None)
self.assertTrue(regex.match("p") is None)
def test_like(self):
pattern = RegExpBuilder().min(1).of("p").min(2).of("q")
regex = RegExpBuilder()
regex.start_of_line()
regex.exactly(2).like(pattern)
regex.end_of_line()
regex = regex.get_regexp()
self.assertTrue(regex.match("pqqpqq") is not None)
self.assertTrue(regex.match("qppqpp") is None)
def test_orLike_chain(self):
p1 = RegExpBuilder().exactly(1).of("p")
p2 = RegExpBuilder().exactly(1).of("q")
p3 = RegExpBuilder().exactly(1).of("r")
regex = RegExpBuilder()
regex.either([p1, p2, p3])
regex = regex.get_regexp()
self.assertTrue(regex.match("p") is not None)
self.assertTrue(regex.match("q") is not None)
self.assertTrue(regex.match("r") is not None)
self.assertTrue(regex.match("s") is None)
def test_eitherLike_orLike(self):
p1 = RegExpBuilder().exactly(1).of("p")
p2 = RegExpBuilder().exactly(2).of("q")
regex = RegExpBuilder()
regex.start_of_line()
regex.either([p1, p2])
regex.end_of_line()
regex = regex.get_regexp()
self.assertTrue(regex.match("p") is not None)
self.assertTrue(regex.match("qq") is not None)
self.assertTrue(regex.match("pqq") is None)
self.assertTrue(regex.match("qqp") is None)
