def test_charclass_parsing(self):
r = Regex.get_parse_tree(r"[ a]")
l = list(find_all(r))[1:] # skip root
print("\n".join(fmttree(r)))
self.assertEqual(3, len(l))
self.assertEqual(r" ", l[1].data)
self.assertEqual(r"a", l[2].data)
def test_escaped_space_parsing(self):
r = Regex.get_parse_tree(r"\ a")
l = list(find_all(r))[1:] # skip root
print("\n".join(fmttree(r)))
self.assertEqual(2, len(l))
self.assertEqual(r"\ ", l[0].data)
self.assertEqual(Other.Suspicious, l[0].type)
def test_repetition_curly2(self):
r = Regex.get_parse_tree(r"x{2,5}")
l = list(find_all(r))[1:] # skip root
self.assertEqual(2, len(l))
# l[0] is Repetition, l[1] is Literal(x)
self.assertEqual(2, l[0].min)
self.assertEqual(5, l[0].max)
self.assertEqual(True, l[0].greedy)
def test_repetition_curly1(self):
r = Regex.get_parse_tree(r"x{5,5}?")
print("\n".join(fmttree(r)))
l = list(find_all(r))[1:] # skip root
self.assertEqual(2, len(l))
# l[0] is Repetition, l[1] is Literal(x)
self.assertEqual(5, l[0].min)
self.assertEqual(5, l[0].max)
self.assertEqual(False, l[0].greedy)
def test_basic_verbose_parsing(self):
r = Regex.get_parse_tree(r"""(?x) a b # comment
c
d""")
l = list(find_all(r))[1:] # skip root
print("\n".join(fmttree(r)))
self.assertEqual(5, len(l))
self.assertEqual((4, 6), (l[1].parsed_start, l[1].start))
self.assertEqual("d", l[-1].data)
self.assertEqual((7, 72), (l[-1].parsed_start, l[-1].start))
def test_complex_charclass(self):
r = Regex.get_parse_tree(r"[]\[:_@\".{}()|;,]")
l = list(find_all(r))[1:] # skip root
print("\n".join(fmttree(r)))
self.assertEqual(15, len(l))
def test_width(self):
r = Regex.get_parse_tree(r"\s(?#foo)\b")
l = list(find_all(r))[1:] # skip root
self.assertEqual([True, False, False], [width(i.type) for i in l])