def test_walk(walk_test):
datatype, actual, call_args_list = walk_test
callback_mock = Mock()
result = walk(datatype, actual, callback_mock)
assert callback_mock.call_args_list == call_args_list
assert result == actual
def failures(datatype, value):
"""Return list of failures (if any) validating `value` against `datatype`.
Params:
`datatype`: Datatype to validate value against. See README.markdown
for examples.
`value`: Value to validate
`path`: Used internally for location of failures.
Example:
>>> failures('int', 'foo')
['expected int, got str']
"""
fails = []
def validate(path, *args):
msg = '%s: %%s' % path if path else '%s'
fails.extend(msg % m for m in validate_step(*args) or [])
walk(datatype, value, validate)
return fails
def failures(datatype, value):
"""Return list of failures (if any) validating `value` against `datatype`.
Params:
`datatype`: Datatype to validate value against. See README.markdown
for examples.
`value`: Value to validate
`path`: Used internally for location of failures.
Example:
>>> failures('int', 'foo')
['expected int, got str']
"""
fails = []
def validate(path, *args):
msg = '%s: %%s' % path if path else '%s'
fails.extend(msg % m for m in validate_step(*args) or [])
walk(datatype, value, validate)
return fails
def coerce_value(datatype, value):
"""Attempt to coerce value to requested datatype.
Example:
>>> coerce_value("int", "5")
5
If coercion is not possible, the incoercible portion is left changed.
Example:
>>> coerce_value(['int'], ['1', '2', 'c'])
[1, 2, 'c']
"""
return walk(datatype, value, coerce_step)
def coerce_value(datatype, value):
"""Attempt to coerce value to requested datatype.
Example:
>>> coerce_value("int", "5")
5
If coercion is not possible, the incoercible portion is left changed.
Example:
>>> coerce_value(['int'], ['1', '2', 'c'])
[1, 2, 'c']
"""
return walk(datatype, value, coerce_step)