def test_already_cleaned_returns_cleaned_value(self):
i = '{}'
expected = '{}'
actual = clean(i)
self.assertEqual(expected, actual)
def test_removes_bangs_and_garbage(self):
i = '{{<a!>},{<a!>},{<a!>},{<ab>}}'
expected = '{{}}'
actual = clean(i)
self.assertEqual(expected, actual)
def test_removes_bangs_appropriately(self):
i = '{{<!!>},{<!!>},{<!!>},{<!!>}}'
expected = '{{}{}{}{}}'
actual = clean(i)
self.assertEqual(expected, actual)
def test_removes_nested_garbage_and_retrains_groups(self):
i = '{{<ab>},{<ab>},{<ab>},{<ab>}}'
expected = '{{}{}{}{}}'
actual = clean(i)
self.assertEqual(expected, actual)
def test_removes_all_garbage(self):
i = '{<a>,<a>,<a>,<a>}'
expected = '{}'
actual = clean(i)
self.assertEqual(expected, actual)
def test_complex_removed_commas(self):
i = '{{{},{},{{}}}}'
expected = '{{{}{}{{}}}}'
actual = clean(i)
self.assertEqual(expected, actual)