def test__error_3():
valids = [
{
'type': 'string',
'regex': '0x[0-9a-f]{2}'
},
{
'type': 'integer',
'min': 0,
'max': 255
},
]
v = Validator(schema={'foo': {'oneof': valids}})
v.document = {'foo': '0x100'}
v._error('foo', errors.ONEOF, (), 0, 2)
error = v._errors[0]
assert error.document_path == ('foo', )
assert error.schema_path == ('foo', 'oneof')
assert error.code == 0x92
assert error.rule == 'oneof'
assert error.constraint == valids
assert error.value == '0x100'
assert error.info == ((), 0, 2)
assert error.is_group_error
assert error.is_logic_error
def test__error_2():
v = Validator(schema={'foo': {'keysrules': {'type': 'integer'}}})
v.document = {'foo': {'0': 'bar'}}
v._error('foo', errors.KEYSRULES, ())
error = v._errors[0]
assert error.document_path == ('foo', )
assert error.schema_path == ('foo', 'keysrules')
assert error.code == 0x83
assert error.rule == 'keysrules'
assert error.constraint == {'type': 'integer'}
assert error.value == {'0': 'bar'}
assert error.info == ((), )
assert error.is_group_error
assert not error.is_logic_error
def test__error_1():
v = Validator(schema={'foo': {'type': 'string'}})
v.document = {'foo': 42}
v._error('foo', errors.BAD_TYPE, 'string')
error = v._errors[0]
assert error.document_path == ('foo', )
assert error.schema_path == ('foo', 'type')
assert error.code == 0x24
assert error.rule == 'type'
assert error.constraint == 'string'
assert error.value == 42
assert error.info == ('string', )
assert not error.is_group_error
assert not error.is_logic_error
def test_dynamic_types():
decimal_type = TypeDefinition("decimal", (Decimal, ), ())
document = {"measurement": Decimal(0)}
schema = {"measurement": {"type": "decimal"}}
validator = Validator()
validator.types_mapping["decimal"] = decimal_type
assert_success(document, schema, validator)
class MyValidator(Validator):
types_mapping = Validator.types_mapping.copy()
types_mapping["decimal"] = decimal_type
validator = MyValidator()
assert_success(document, schema, validator)
def assert_success(document, schema=None, validator=None, update=False):
"""Tests whether a validation succeeds."""
if validator is None:
validator = Validator(sample_schema)
result = validator(document, schema, update)
assert isinstance(result, bool)
if not result:
raise AssertionError(validator.errors)
def test_issue_147_nested_dict():
schema = {'thing': {'type': 'dict', 'schema': {'amount': {'coerce': int}}}}
ref_obj = '2'
document = {'thing': {'amount': ref_obj}}
normalized = Validator(schema).normalized(document)
assert document is not normalized
assert normalized['thing']['amount'] == 2
assert ref_obj == '2'
assert document['thing']['amount'] is ref_obj
def test_coerce_in_listitems():
schema = {'things': {'type': 'list', 'items': [{'coerce': int}, {'coerce': str}]}}
document = {'things': ['1', 2]}
expected = {'things': [1, '2']}
assert_normalized(document, expected, schema)
validator = Validator(schema)
document['things'].append(3)
assert not validator(document)
assert validator.document['things'] == document['things']
def test_purge_readonly():
schema = {
'description': {'type': 'string', 'maxlength': 500},
'last_updated': {'readonly': True},
}
validator = Validator(schema=schema, purge_readonly=True)
document = {'description': 'it is a thing'}
expected = deepcopy(document)
document['last_updated'] = 'future'
assert_normalized(document, expected, validator=validator)
def test_issue_147_complex():
schema = {'revision': {'coerce': int}}
document = {'revision': '5', 'file': NamedTemporaryFile(mode='w+')}
document['file'].write(r'foobar')
document['file'].seek(0)
normalized = Validator(schema, allow_unknown=True).normalized(document)
assert normalized['revision'] == 5
assert normalized['file'].read() == 'foobar'
document['file'].close()
normalized['file'].close()
def test_validated_schema_cache():
v = Validator({'foozifix': {'coerce': int}})
cache_size = len(v._valid_schemas)
v = Validator({'foozifix': {'type': 'integer'}})
cache_size += 1
assert len(v._valid_schemas) == cache_size
v = Validator({'foozifix': {'coerce': int}})
assert len(v._valid_schemas) == cache_size
max_cache_size = 163
assert cache_size <= max_cache_size, (
"There's an unexpected high amount (%s) of cached valid "
"definition schemas. Unless you added further tests, "
"there are good chances that something is wrong. "
"If you added tests with new schemas, you can try to "
"adjust the variable `max_cache_size` according to "
"the added schemas." % cache_size
)
def test_allow_unknown_with_purge_unknown_subdocument():
validator = Validator(purge_unknown=True)
schema = {
'foo': {
'type': 'dict',
'schema': {'bar': {'type': 'string'}},
'allow_unknown': True,
}
}
document = {'foo': {'bar': 'baz', 'corge': False}, 'thud': 'xyzzy'}
expected = {'foo': {'bar': 'baz', 'corge': False}}
assert_normalized(document, expected, schema, validator)
def test_anyof_check_with():
def foo(field, value, error):
pass
def bar(field, value, error):
pass
schema = {'field': {'anyof_check_with': [foo, bar]}}
validator = Validator(schema)
assert validator.schema == {
'field': {'anyof': [{'check_with': foo}, {'check_with': bar}]}
}
def test_271_normalising_tuples():
# https://github.com/pyeve/cerberus/issues/271
schema = {
'my_field': {'type': 'list', 'schema': {'type': ('string', 'number', 'dict')}}
}
document = {'my_field': ('foo', 'bar', 42, 'albert', 'kandinsky', {'items': 23})}
assert_success(document, schema)
normalized = Validator(schema).normalized(document)
assert normalized['my_field'] == (
'foo',
'bar',
42,
'albert',
'kandinsky',
{'items': 23},
)
def test_defaults_in_allow_unknown_schema():
schema = {'meta': {'type': 'dict'}, 'version': {'type': 'string'}}
allow_unknown = {
'type': 'dict',
'schema': {
'cfg_path': {'type': 'string', 'default': 'cfg.yaml'},
'package': {'type': 'string'},
},
}
validator = Validator(schema=schema, allow_unknown=allow_unknown)
document = {'version': '1.2.3', 'plugin_foo': {'package': 'foo'}}
expected = {
'version': '1.2.3',
'plugin_foo': {'package': 'foo', 'cfg_path': 'cfg.yaml'},
}
assert_normalized(document, expected, schema, validator)
def assert_exception(exception,
document={},
schema=None,
validator=None,
msg=None):
"""
Tests whether a specific exception is raised. Optionally also tests whether the
exception message is as expected.
"""
if validator is None:
validator = Validator()
if msg is None:
with pytest.raises(exception):
validator(document, schema)
else:
with pytest.raises(exception, match=re.escape(msg)):
validator(document, schema)
def test_deprecated_rule_names_in_valueschema():
def check_with(field, value, error):
pass
schema = {
"field_1": {
"type": "dict",
"valueschema": {
"type": "dict",
"keyschema": {"type": "string"},
"valueschema": {"type": "string"},
},
},
"field_2": {
"type": "list",
"items": [
{"keyschema": {}},
{"validator": check_with},
{"valueschema": {}},
],
},
}
validator = Validator(schema)
assert validator.schema == {
"field_1": {
"type": "dict",
"valuesrules": {
"type": "dict",
"keysrules": {"type": "string"},
"valuesrules": {"type": "string"},
},
},
"field_2": {
"type": "list",
"items": [
{"keysrules": {}},
{"check_with": check_with},
{"valuesrules": {}},
],
},
}
def test_queries():
schema = {'foo': {'type': 'dict', 'schema': {'bar': {'type': 'number'}}}}
document = {'foo': {'bar': 'zero'}}
validator = Validator(schema)
validator(document)
assert 'foo' in validator.document_error_tree
assert 'bar' in validator.document_error_tree['foo']
assert 'foo' in validator.schema_error_tree
assert 'schema' in validator.schema_error_tree['foo']
assert errors.MAPPING_SCHEMA in validator.document_error_tree['foo'].errors
assert errors.MAPPING_SCHEMA in validator.document_error_tree['foo']
assert errors.BAD_TYPE in validator.document_error_tree['foo']['bar']
assert errors.MAPPING_SCHEMA in validator.schema_error_tree['foo'][
'schema']
assert (errors.BAD_TYPE
in validator.schema_error_tree['foo']['schema']['bar']['type'])
assert (validator.document_error_tree['foo'][
errors.MAPPING_SCHEMA].child_errors[0].code == errors.BAD_TYPE.code)
def assert_fail(
document,
schema=None,
validator=None,
update=False,
error=None,
errors=None,
child_errors=None,
):
"""Tests whether a validation fails."""
if validator is None:
validator = Validator(sample_schema)
result = validator(document, schema, update)
assert isinstance(result, bool)
assert not result
actual_errors = validator._errors
assert not (error is not None and errors is not None)
assert not (errors is not None and child_errors is not None), (
'child_errors can only be tested in '
'conjunction with the error parameter')
assert not (child_errors is not None and error is None)
if error is not None:
assert len(actual_errors) == 1
assert_has_error(actual_errors, *error)
if child_errors is not None:
assert len(actual_errors[0].child_errors) == len(child_errors)
assert_has_errors(actual_errors[0].child_errors, child_errors)
elif errors is not None:
assert len(actual_errors) == len(errors)
assert_has_errors(actual_errors, errors)
return actual_errors
def test_empty_schema():
validator = Validator()
with pytest.raises(SchemaError, match=errors.SCHEMA_ERROR_MISSING):
validator({}, schema=None)
def init_validator():
return Validator(product_schema, purge_unknown=True)
def validator():
return Validator(sample_schema)
def test_coerce_not_destructive():
schema = {'amount': {'coerce': int}}
v = Validator(schema)
doc = {'amount': '1'}
v.validate(doc)
assert v.document is not doc
def test_rename_handler():
validator = Validator(allow_unknown={'rename_handler': int})
schema = {}
document = {'0': 'foo'}
expected = {0: 'foo'}
assert_normalized(document, expected, schema, validator)
def test_rulename_space_is_normalized():
Validator(schema={"field": {"default setter": lambda x: x, "type": "string"}})
def test_allow_unknown_with_purge_unknown():
validator = Validator(purge_unknown=True)
schema = {'foo': {'type': 'dict', 'allow_unknown': True}}
document = {'foo': {'bar': True}, 'bar': 'foo'}
expected = {'foo': {'bar': True}}
assert_normalized(document, expected, schema, validator)
def test_allow_unknown_wo_schema():
# https://github.com/pyeve/cerberus/issues/302
v = Validator({'a': {'type': 'dict', 'allow_unknown': True}})
v({'a': {}})
def test_expansion_in_nested_schema():
schema = {'detroit': {'schema': {'anyof_regex': ['^Aladdin', 'Sane$']}}}
v = Validator(schema)
assert v.schema['detroit']['schema'] == {
'anyof': [{'regex': '^Aladdin'}, {'regex': 'Sane$'}]
}
def test_repr():
v = Validator({'foo': {'type': 'string'}})
assert repr(v.schema) == "{'foo': {'type': 'string'}}"
def test_recursion():
rules_set_registry.add('self', {'type': 'dict', 'allow_unknown': 'self'})
v = Validator(allow_unknown='self')
assert_success({0: {1: {2: {}}}}, {}, v)
def test_purge_unknown():
validator = Validator(purge_unknown=True)
schema = {'foo': {'type': 'string'}}
document = {'bar': 'foo'}
expected = {}
assert_normalized(document, expected, schema, validator)