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test_string_validator.py
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import pytest
from _plotly_utils.basevalidators import StringValidator
import numpy as np
# Fixtures
# --------
@pytest.fixture()
def validator():
return StringValidator('prop', 'parent')
@pytest.fixture()
def validator_values():
return StringValidator('prop', 'parent', values=['foo', 'BAR', ''])
@pytest.fixture()
def validator_no_blanks():
return StringValidator('prop', 'parent', no_blank=True)
@pytest.fixture()
def validator_strict():
return StringValidator('prop', 'parent', strict=True)
@pytest.fixture
def validator_aok():
return StringValidator('prop', 'parent', array_ok=True, strict=True)
@pytest.fixture
def validator_aok_values():
return StringValidator('prop', 'parent', values=['foo', 'BAR', '', 'baz'], array_ok=True)
@pytest.fixture()
def validator_no_blanks_aok():
return StringValidator('prop', 'parent', no_blank=True, array_ok=True)
# Array not ok
# ------------
# Not strict
# ### Acceptance ###
@pytest.mark.parametrize('val',
['bar', 234, np.nan,
'HELLO!!!', 'world!@#$%^&*()', ''])
def test_acceptance(val, validator: StringValidator):
assert validator.validate_coerce(val) == str(val)
# ### Rejection by value ###
@pytest.mark.parametrize('val',
[(), [], [1, 2, 3], set()])
def test_rejection(val, validator: StringValidator):
with pytest.raises(ValueError) as validation_failure:
validator.validate_coerce(val)
assert 'Invalid value' in str(validation_failure.value)
# Valid values
# ------------
@pytest.mark.parametrize('val',
['foo', 'BAR', ''])
def test_acceptance_values(val, validator_values: StringValidator):
assert validator_values.validate_coerce(val) == val
@pytest.mark.parametrize('val',
['FOO', 'bar', 'other', '1234'])
def test_rejection_values(val, validator_values: StringValidator):
with pytest.raises(ValueError) as validation_failure:
validator_values.validate_coerce(val)
assert 'Invalid value'.format(val=val) in str(validation_failure.value)
assert "['foo', 'BAR', '']" in str(validation_failure.value)
# ### No blanks ###
@pytest.mark.parametrize('val',
['bar', 'HELLO!!!', 'world!@#$%^&*()'])
def test_acceptance_no_blanks(val, validator_no_blanks: StringValidator):
assert validator_no_blanks.validate_coerce(val) == val
@pytest.mark.parametrize('val',
[''])
def test_rejection_no_blanks(val, validator_no_blanks: StringValidator):
with pytest.raises(ValueError) as validation_failure:
validator_no_blanks.validate_coerce(val)
assert 'A non-empty string' in str(validation_failure.value)
# Strict
# ------
# ### Acceptance ###
@pytest.mark.parametrize('val',
['bar', 'HELLO!!!', 'world!@#$%^&*()', ''])
def test_acceptance_strict(val, validator_strict: StringValidator):
assert validator_strict.validate_coerce(val) == val
# ### Rejection by value ###
@pytest.mark.parametrize('val',
[(), [], [1, 2, 3], set(), np.nan, np.pi, 23])
def test_rejection_strict(val, validator_strict: StringValidator):
with pytest.raises(ValueError) as validation_failure:
validator_strict.validate_coerce(val)
assert 'Invalid value' in str(validation_failure.value)
# Array ok
# --------
# ### Acceptance ###
@pytest.mark.parametrize('val',
['foo', 'BAR', '', 'baz'])
def test_acceptance_aok_scalars(val, validator_aok: StringValidator):
assert validator_aok.validate_coerce(val) == val
@pytest.mark.parametrize('val',
['foo',
['foo'],
np.array(['BAR', ''], dtype='object'),
['baz', 'baz', 'baz']])
def test_acceptance_aok_list(val, validator_aok: StringValidator):
coerce_val = validator_aok.validate_coerce(val)
if isinstance(val, np.ndarray):
assert isinstance(coerce_val, np.ndarray)
assert np.array_equal(coerce_val,
np.array(val, dtype=coerce_val.dtype))
elif isinstance(val, list):
assert validator_aok.present(val) == tuple(val)
else:
assert coerce_val == val
# ### Rejection by type ###
@pytest.mark.parametrize('val',
[['foo', ()], ['foo', 3, 4], [3, 2, 1]])
def test_rejection_aok(val, validator_aok: StringValidator):
with pytest.raises(ValueError) as validation_failure:
validator_aok.validate_coerce(val)
assert 'Invalid element(s)' in str(validation_failure.value)
# ### Rejection by value ###
@pytest.mark.parametrize('val',
[['foo', 'bar'], ['3', '4'], ['BAR', 'BAR', 'hello!']])
def test_rejection_aok_values(val, validator_aok_values: StringValidator):
with pytest.raises(ValueError) as validation_failure:
validator_aok_values.validate_coerce(val)
assert 'Invalid element(s)' in str(validation_failure.value)
# ### No blanks ###
@pytest.mark.parametrize('val',
['123',
['bar', 'HELLO!!!'],
np.array(['bar', 'HELLO!!!'], dtype='object'),
['world!@#$%^&*()']])
def test_acceptance_no_blanks_aok(val, validator_no_blanks_aok: StringValidator):
coerce_val = validator_no_blanks_aok.validate_coerce(val)
if isinstance(val, np.ndarray):
assert np.array_equal(coerce_val,
np.array(val, dtype=coerce_val.dtype))
elif isinstance(val, list):
assert validator_no_blanks_aok.present(coerce_val) == tuple(val)
else:
assert coerce_val == val
@pytest.mark.parametrize('val',
['',
['foo', 'bar', ''],
np.array(['foo', 'bar', ''], dtype='object'),
[''],
np.array([''], dtype='object')])
def test_rejection_no_blanks_aok(val,
validator_no_blanks_aok: StringValidator):
with pytest.raises(ValueError) as validation_failure:
validator_no_blanks_aok.validate_coerce(val)
assert 'A non-empty string' in str(validation_failure.value)