def test_validate_string_unicode(self):
"""
Unicode strings pass.
"""
self.assertTrue(validate_string(u'hello'))
def test_validate_string_wrong_type(self):
"""
It fails if the value is not a string.
"""
self.assertFalse(validate_string(1))
def test_validate_string_str(self):
"""
Regular Python strings pass.
"""
self.assertTrue(validate_string('hello'))