import re
import unittest

from testy.assertions import assert_dict_subset, assert_raises, assert_match_regex

class MyTestCase(unittest.TestCase):
    def setUp(self):
        self.x = dict(a=1, b=2)

    def test_x(self):
        assert_dict_subset(dict(b=2), self.x)

    def test_exception(self):
        with assert_raises(TypeError):
            raise TypeError("Call some code you expect to fail here.")

    def test_pattern(self):
        pattern = re.compile('\w')
        assert_match_regex(pattern, 'abc')

    def tearDown(self):
        self.x = None

if __name__ == "__main__":
    unittest.main()