def test_split_dataset_two_sets():
sample1 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 1})
sample2 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 2})
sample3 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 3})
sample4 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 4})
train, test = split_dataset([sample1, sample2, sample3, sample4],
[0.5, 0.5])
assert len(train) == 2
assert len(test) == 2
def test_split_dataset_test_with_smallish_ratio():
sample1 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 1})
sample2 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 2})
sample3 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 3})
sample4 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 4})
dataset = [sample1, sample2, sample3, sample4]
train, test, zero = split_dataset(dataset, [0.5, 0.4999995, 0.0000005])
assert len(train) == 2
assert len(test) == 2
assert len(zero) == 0
def test_split_dataset_two_sets():
sample1 = InputSample(
"Hi there", masked=None, spans=None, create_tags_from_span=False, template_id=1
)
sample2 = InputSample(
"Hi there", masked=None, spans=None, create_tags_from_span=False, template_id=2
)
sample3 = InputSample(
"Hi there", masked=None, spans=None, create_tags_from_span=False, template_id=3
)
sample4 = InputSample(
"Hi there", masked=None, spans=None, create_tags_from_span=False, template_id=4
)
train, test = split_dataset([sample1, sample2, sample3, sample4], [0.5, 0.5])
assert len(train) == 2
assert len(test) == 2
def test_split_dataset_test_with_0_ratio():
sample1 = InputSample(
"Hi there", masked=None, spans=None, create_tags_from_span=False, template_id=1
)
sample2 = InputSample(
"Hi there", masked=None, spans=None, create_tags_from_span=False, template_id=2
)
sample3 = InputSample(
"Hi there", masked=None, spans=None, create_tags_from_span=False, template_id=3
)
sample4 = InputSample(
"Hi there", masked=None, spans=None, create_tags_from_span=False, template_id=4
)
dataset = [sample1, sample2, sample3, sample4]
with pytest.raises(ValueError):
train, test, zero = split_dataset(dataset, [0.5, 0.5, 0])
def test_split_dataset_four_sets(mock_4_samples):
train, test, val, dev = split_dataset(mock_4_samples, [0.25, 0.25, 0.25, 0.25])
assert len(train) == 1
assert len(test) == 1
assert len(val) == 1
assert len(dev) == 1
# make sure all original template IDs are in the new sets
original_keys = set([1, 2, 3, 4])
t1 = set([sample.template_id for sample in train])
t2 = set([sample.template_id for sample in test])
t3 = set([sample.template_id for sample in dev])
t4 = set([sample.template_id for sample in val])
assert original_keys == t1 | t2 | t3 | t4
def test_split_dataset_four_sets():
sample1 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 1})
sample2 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 2})
sample3 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 3})
sample4 = InputSample("Hi there",
masked=None,
spans=None,
create_tags_from_span=False,
metadata={"Template#": 4})
dataset = [sample1, sample2, sample3, sample4]
train, test, val, dev = split_dataset(dataset, [0.25, 0.25, 0.25, 0.25])
assert len(train) == 1
assert len(test) == 1
assert len(val) == 1
assert len(dev) == 1
# make sure all original template IDs are in the new sets
original_keys = set([1, 2, 3, 4])
t1 = set([sample.metadata['Template#'] for sample in train])
t2 = set([sample.metadata['Template#'] for sample in test])
t3 = set([sample.metadata['Template#'] for sample in dev])
t4 = set([sample.metadata['Template#'] for sample in val])
assert original_keys == t1 | t2 | t3 | t4