def test_experiment_does_not_exist(self):
r"""Raise `FileNotFoundError` when `experiment` does not exist."""
msg1 = (
'Must raise `FileNotFoundError` when `experiment` does not exist.')
msg2 = 'Inconsistent error message.'
examples = (self.__class__.experiment, 'I-AM-A-TEST-AND-I-DONT-EXIST')
for experiment in examples:
with self.assertRaises(FileNotFoundError, msg=msg1) as ctx_man:
CharDictTokenizer.load(experiment=experiment)
test_path = os.path.join(DATA_PATH, experiment, 'tokenizer.json')
self.assertEqual(ctx_man.exception.args[0],
f'File {test_path} does not exist.',
msg=msg2)
def test_load_result(self):
r"""Load `tokenizer.json`."""
msg = 'Inconsistent `tokenizer.json` format.'
examples = (
{
'is_uncased': False,
'token_to_id': {
'A': 0,
'B': 1,
'C': 2,
},
'id_to_token': {
0: 'A',
1: 'B',
2: 'C',
},
},
{
'is_uncased': True,
'token_to_id': {
'a': 0,
'b': 1,
'c': 2,
},
'id_to_token': {
0: 'a',
1: 'b',
2: 'c',
},
},
)
test_path = os.path.join(self.__class__.test_dir, 'tokenizer.json')
for obj in examples:
try:
# Create test file.
with open(test_path, 'w', encoding='utf-8') as output_file:
tmp = {
'is_uncased': obj['is_uncased'],
'token_to_id': obj['token_to_id']
}
json.dump(tmp, output_file)
tokenizer = CharDictTokenizer.load(
experiment=self.__class__.experiment)
self.assertIsInstance(tokenizer, CharDictTokenizer, msg=msg)
for attr_key, attr_value in obj.items():
self.assertTrue(hasattr(tokenizer, attr_key), msg=msg)
self.assertIsInstance(getattr(tokenizer, attr_key),
type(attr_value),
msg=msg)
self.assertEqual(getattr(tokenizer, attr_key),
attr_value,
msg=msg)
finally:
# Clean up test file.
os.remove(test_path)
def test_invalid_input_experiment(self):
r"""Raise exception when input `experiment` is invalid."""
msg1 = (
'Must raise `TypeError` or `ValueError` when input `experiment` '
'is invalid.')
msg2 = 'Inconsistent error message.'
examples = (
False,
True,
0,
1,
-1,
0.0,
1.0,
math.nan,
-math.nan,
math.inf,
-math.inf,
0j,
1j,
'',
b'',
(),
[],
{},
set(),
object(),
lambda x: x,
type,
None,
NotImplemented,
...,
)
for invalid_input in examples:
with self.assertRaises((TypeError, ValueError),
msg=msg1) as ctx_man:
CharDictTokenizer.load(experiment=invalid_input)
if isinstance(ctx_man.exception, TypeError):
self.assertEqual(ctx_man.exception.args[0],
'`experiment` must be an instance of `str`.',
msg=msg2)
else:
self.assertEqual(ctx_man.exception.args[0],
'`experiment` must not be empty.',
msg=msg2)