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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>C///</title>
</head>
# -*- coding: utf-8 -*-

import re

import pytest

from cerberus import Validator, errors, SchemaError
from cerberus.schema import UnvalidatedSchema
from cerberus.tests import assert_schema_error


def test_empty_schema():
    validator = Validator()
    with pytest.raises(SchemaError, match=errors.SCHEMA_ERROR_MISSING):
        validator({}, schema=None)


def test_bad_schema_type(validator):
    schema = "this string should really be dict"
    msg = errors.SCHEMA_ERROR_DEFINITION_TYPE.format(schema)
    with pytest.raises(SchemaError, match=msg):
        validator.schema = schema


def test_bad_schema_type_field(validator):
    field = 'foo'
    schema = {field: {'schema': {'bar': {'type': 'strong'}}}}
    with pytest.raises(SchemaError):
        validator.schema = schema


def test_unknown_rule(validator):
    msg = "{'foo': [{'unknown': ['unknown rule']}]}"
    with pytest.raises(SchemaError, match=re.escape(msg)):
        validator.schema = {'foo': {'unknown': 'rule'}}


def test_unknown_type(validator):
    msg = str({'foo': [{'type': ['Unsupported types: unknown']}]})
    with pytest.raises(SchemaError, match=re.escape(msg)):
        validator.schema = {'foo': {'type': 'unknown'}}


def test_bad_schema_definition(validator):
    field = 'name'
    msg = str({field: ['must be of dict type']})
    with pytest.raises(SchemaError, match=re.escape(msg)):
        validator.schema = {field: 'this should really be a dict'}


def test_bad_of_rules():
    schema = {'foo': {'anyof': {'type': 'string'}}}
    assert_schema_error({}, schema)


def test_normalization_rules_are_invalid_in_of_rules():
    schema = {0: {'anyof': [{'coerce': lambda x: x}]}}
    assert_schema_error({}, schema)


def test_anyof_allof_schema_validate():
    # make sure schema with 'anyof' and 'allof' constraints are checked
    # correctly
    schema = {
        'doc': {'type': 'dict', 'anyof': [{'schema': [{'param': {'type': 'number'}}]}]}
    }
    assert_schema_error({'doc': 'this is my document'}, schema)

    schema = {
        'doc': {'type': 'dict', 'allof': [{'schema': [{'param': {'type': 'number'}}]}]}
    }
    assert_schema_error({'doc': 'this is my document'}, schema)


def test_repr():
    v = Validator({'foo': {'type': 'string'}})
    assert repr(v.schema) == "{'foo': {'type': 'string'}}"


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_expansion_in_nested_schema():
    schema = {'detroit': {'schema': {'anyof_regex': ['^Aladdin', 'Sane$']}}}
    v = Validator(schema)
    assert v.schema['detroit']['schema'] == {
        'anyof': [{'regex': '^Aladdin'}, {'rege