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import re
import unittest
from rstr import Rstr
class TestXeger(unittest.TestCase):
def setUp(self) -> None:
self.rs = Rstr()
def test_literals(self) -> None:
pattern = r'foo'
assert re.match(pattern, self.rs.xeger(pattern))
def test_dot(self) -> None:
'''
Verify that the dot character doesn't produce newlines.
See: https://bitbucket.org/leapfrogdevelopment/rstr/issue/1/
'''
pattern = r'.+'
for _ in range(100):
assert re.match(pattern, self.rs.xeger(pattern))
def test_digit(self) -> None:
pattern = r'\d'
assert re.match(pattern, self.rs.xeger(pattern))
def test_nondigits(self) -> None:
pattern = r'\D'
assert re.match(pattern, self.rs.xeger(pattern))
def test_literal_with_repeat(self) -> None:
pattern = r'A{3}'
assert re.match(pattern, self.rs.xeger(pattern))
def test_literal_with_range_repeat(self) -> None:
pattern = r'A{2,5}'
assert re.match(pattern, self.rs.xeger(pattern))
def test_word(self) -> None:
pattern = r'\w'
assert re.match(pattern, self.rs.xeger(pattern))
def test_nonword(self) -> None:
pattern = r'\W'
assert re.match(pattern, self.rs.xeger(pattern))
def test_or(self) -> None:
pattern = r'foo|bar'
assert re.match(pattern, self.rs.xeger(pattern))
def test_or_with_subpattern(self) -> None:
pattern = r'(foo|bar)'
assert re.match(pattern, self.rs.xeger(pattern))
def test_range(self) -> None:
pattern = r'[A-F]'
assert re.match(pattern, self.rs.xeger(pattern))
def test_character_group(self) -> None:
pattern = r'[ABC]'
assert re.match(pattern, self.rs.xeger(pattern))
def test_carot(self) -> None:
pattern = r'^foo'
assert re.match(pattern, self.rs.xeger(pattern))
def test_dollarsign(self) -> None:
pattern = r'foo$'
assert re.match(pattern, self.rs.xeger(pattern))
def test_not_literal(self) -> None:
pattern = r'[^a]'
assert re.match(pattern, self.rs.xeger(pattern))
def test_negation_group(self) -> None:
pattern = r'[^AEIOU]'
assert re.match(pattern, self.rs.xeger(pattern))
def test_lookahead(self) -> None:
pattern = r'foo(?=bar)'
assert re.match(pattern, self.rs.xeger(pattern))
def test_lookbehind(self) -> None:
pattern = r'(?<=foo)bar'
assert re.search(pattern, self.rs.xeger(pattern))
def test_backreference(self) -> None:
pattern = r'(foo|bar)baz\1'
assert re.match(pattern, self.rs.xeger(pattern))
def test_zero_or_more_greedy(self) -> None:
pattern = r'a*'
assert re.match(pattern, self.rs.xeger(pattern))
def test_zero_or_more_non_greedy(self) -> None:
pattern = r'a*?'
assert re.match(pattern, self.rs.xeger(pattern))
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