def test_mapstring_not_unicode(self):
"""Test that a non-unicode string causes the map_string method to raise
a TypeError.
"""
with pytest.raises(TypeError):
mapper = CharMapper(VALID_MAP)
mapper.map_string(b'Hello, world!')
def test_mapstring_none(self):
"""Test that a None value causes the map_string method to raise a
TypeError.
"""
with pytest.raises(TypeError):
mapper = CharMapper(VALID_MAP)
mapper.map_string(None)
def test_mapstring_empty_string(self):
"""Test that an empty string causes the map_string method to return an
empty string.
"""
mapper = CharMapper(VALID_MAP)
assert mapper.map_string('') == ''
def test_mapstring_arabic(self):
"""Test that a map_string properly maps an Arabic unicode string.
"""
mapper = CharMapper(VALID_MAP)
assert mapper.map_string('٠١٢٣٤٥٦٧٨٩') == '012---++++'
def test_mapstring_english(self):
"""Test that a map_string properly maps an English unicode string.
"""
mapper = CharMapper(VALID_MAP)
assert mapper.map_string('Hello, world!') == 'Hu**o, wor*m!'
