def test_deletion_interspersed(self):
a = [('__BEGIN__', EPS_LABEL), ('f', 'f'),
(EPS_LABEL, EPS_LABEL), ('o', EPS_LABEL),
(EPS_LABEL, EPS_LABEL), ('o', 'o')]
actual = list(conv_norm.revert_conversion(a, EPS_LABEL))
expected = [('foo', 'fo')]
self.assertEqual(actual, expected)
def test_insertion_at_beginning_with_keep(self):
a = [('__BEGIN__', 'f'), ('o', KEEP_LABEL), ('o', KEEP_LABEL)]
actual = list(conv_norm.revert_conversion(a, EPS_LABEL))
expected = [('oo', 'foo')]
self.assertEqual(actual, expected)
def test_mixed_insertion_and_deletion_with_keep(self):
a = [('__BEGIN__', EPS_LABEL), ('f', 'o'), ('o', 'x'), ('y', 'n')]
actual = list(conv_norm.revert_conversion(a, EPS_LABEL))
expected = [('foy', 'oxn')]
self.assertEqual(actual, expected)
def test_identity_with_keep(self):
a = [('__BEGIN__', EPS_LABEL), ('f', KEEP_LABEL), ('o', KEEP_LABEL), ('o', KEEP_LABEL)]
actual = list(conv_norm.revert_conversion(a, EPS_LABEL))
expected = [('foo', 'foo')]
self.assertEqual(actual, expected)