def test_default_none_nonnullable(default):
bar_schema = {'type': 'string', 'nullable': False}
bar_schema.update(default)
schema = {'foo': {'type': 'string'}, 'bar': bar_schema}
document = {'foo': 'foo_value', 'bar': None}
expected = {'foo': 'foo_value', 'bar': 'bar_value'}
assert_normalized(document, expected, schema)
def test_default_missing(default):
bar_schema = {'type': 'string'}
bar_schema.update(default)
schema = {'foo': {'type': 'string'}, 'bar': bar_schema}
document = {'foo': 'foo_value'}
expected = {'foo': 'foo_value', 'bar': 'bar_value'}
assert_normalized(document, expected, schema)
def test_issue_250_no_type_fail_pass_on_other():
# https://github.com/pyeve/cerberus/issues/250
schema = {
'list': {'schema': {'allow_unknown': True, 'schema': {'a': {'type': 'string'}}}}
}
document = {'list': 1}
assert_normalized(document, document, schema)
def test_coercion_of_sequence_items(validator):
# https://github.com/pyeve/cerberus/issues/161
schema = {'a_list': {'type': 'list', 'schema': {'type': 'float', 'coerce': float}}}
document = {'a_list': [3, 4, 5]}
expected = {'a_list': [3.0, 4.0, 5.0]}
assert_normalized(document, expected, schema, validator)
for x in validator.document['a_list']:
assert isinstance(x, float)
def test_default_none_default_value():
schema = {
'foo': {'type': 'string'},
'bar': {'type': 'string', 'nullable': True, 'default': None},
}
document = {'foo': 'foo_value'}
expected = {'foo': 'foo_value', 'bar': None}
assert_normalized(document, expected, schema)
def test_coerce_in_keysrules():
# https://github.com/pyeve/cerberus/issues/155
schema = {
'thing': {'type': 'dict', 'keysrules': {'coerce': int, 'type': 'integer'}}
}
document = {'thing': {'5': 'foo'}}
expected = {'thing': {5: 'foo'}}
assert_normalized(document, expected, schema)
def test_normalization_with_rules_set():
# https://github.com/pyeve/cerberus/issues/283
rules_set_registry.add('foo', {'default': 42})
assert_normalized({}, {'bar': 42}, {'bar': 'foo'})
rules_set_registry.add('foo', {'default_setter': lambda _: 42})
assert_normalized({}, {'bar': 42}, {'bar': 'foo'})
rules_set_registry.add('foo', {'type': 'integer', 'nullable': True})
assert_success({'bar': None}, {'bar': 'foo'})
def test_nullables_fail_coerce_on_non_null_values(validator):
def failing_coercion(value):
raise Exception("expected to fail")
schema = {'foo': {'coerce': failing_coercion, 'nullable': True, 'type': 'integer'}}
document = {'foo': None}
assert_normalized(document, document, schema)
validator({'foo': 2}, schema)
assert errors.COERCION_FAILED in validator._errors
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_depending_default_setters():
schema = {
'a': {'type': 'integer'},
'b': {'type': 'integer', 'default_setter': lambda d: d['a'] + 1},
'c': {'type': 'integer', 'default_setter': lambda d: d['b'] * 2},
'd': {'type': 'integer', 'default_setter': lambda d: d['b'] + d['c']},
}
document = {'a': 1}
expected = {'a': 1, 'b': 2, 'c': 4, 'd': 6}
assert_normalized(document, expected, schema)
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_unknown_in_subschema():
schema = {
'foo': {
'type': 'dict',
'schema': {'foo': {'type': 'string'}},
'purge_unknown': True,
}
}
document = {'foo': {'bar': ''}}
expected = {'foo': {}}
assert_normalized(document, expected, schema)
def test_default_missing_in_subschema(default):
bar_schema = {'type': 'string'}
bar_schema.update(default)
schema = {
'thing': {
'type': 'dict',
'schema': {'foo': {'type': 'string'}, 'bar': bar_schema},
}
}
document = {'thing': {'foo': 'foo_value'}}
expected = {'thing': {'foo': 'foo_value', 'bar': 'bar_value'}}
assert_normalized(document, expected, schema)
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_issue_250_no_type_pass_on_list():
# https://github.com/pyeve/cerberus/issues/250
schema = {
'list': {
'schema': {
'allow_unknown': True,
'type': 'dict',
'schema': {'a': {'type': 'string'}},
}
}
}
document = {'list': [{'a': 'known', 'b': 'unknown'}]}
assert_normalized(document, document, schema)
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 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_coerce_chain():
drop_prefix = lambda x: x[2:] # noqa: E731
upper = lambda x: x.upper() # noqa: E731
schema = {'foo': {'coerce': [hex, drop_prefix, upper]}}
assert_normalized({'foo': 15}, {'foo': 'F'}, schema)
def test_coerce_in_dictschema():
schema = {'thing': {'type': 'dict', 'schema': {'amount': {'coerce': int}}}}
document = {'thing': {'amount': '2'}}
expected = {'thing': {'amount': 2}}
assert_normalized(document, expected, schema)
def test_nullables_dont_fail_coerce():
schema = {'foo': {'coerce': int, 'nullable': True, 'type': 'integer'}}
document = {'foo': None}
assert_normalized(document, document, schema)
def test_coerce():
schema = {'amount': {'coerce': int}}
document = {'amount': '1'}
expected = {'amount': 1}
assert_normalized(document, expected, schema)
def test_coerce_unknown():
schema = {'foo': {'schema': {}, 'allow_unknown': {'coerce': int}}}
document = {'foo': {'bar': '0'}}
expected = {'foo': {'bar': 0}}
assert_normalized(document, expected, schema)
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_purge_unknown():
validator = Validator(purge_unknown=True)
schema = {'foo': {'type': 'string'}}
document = {'bar': 'foo'}
expected = {}
assert_normalized(document, expected, schema, validator)
def test_default_existent(default):
bar_schema = {'type': 'string'}
bar_schema.update(default)
schema = {'foo': {'type': 'string'}, 'bar': bar_schema}
document = {'foo': 'foo_value', 'bar': 'non_default'}
assert_normalized(document, document.copy(), schema)
def test_coerce_in_listschema():
schema = {'things': {'type': 'list', 'schema': {'coerce': int}}}
document = {'things': ['1', '2', '3']}
expected = {'things': [1, 2, 3]}
assert_normalized(document, expected, schema)
def test_coerce_in_dictschema_in_listschema():
item_schema = {'type': 'dict', 'schema': {'amount': {'coerce': int}}}
schema = {'things': {'type': 'list', 'schema': item_schema}}
document = {'things': [{'amount': '2'}]}
expected = {'things': [{'amount': 2}]}
assert_normalized(document, expected, schema)
def test_default_none_nullable(default):
bar_schema = {'type': 'string', 'nullable': True}
bar_schema.update(default)
schema = {'foo': {'type': 'string'}, 'bar': bar_schema}
document = {'foo': 'foo_value', 'bar': None}
assert_normalized(document, document.copy(), schema)
