jsonschema bug

test_jsonschema.py

from jsonschema import *
import pprint

working_good_schema = {   
    "type": "array",
    "items": {
        "patternProperties": {
            "a|b|c": { "type": "string" }
        },
        "additionalProperties": False

    },
    "minItems":1

}


nonworking_good_schema = {
    
    "type": "array",
    "items": [],
    "additionalItems": {
        "patternProperties": {
            "a|b|c": { "type": "string" }
        },
        "additionalProperties": False
    },
    "minItems": 1

}


good_data = [{
    "a": "foo",
    "b": "foo",
    "c": "foo"
}]

bad_data = [{
    "a": "bar",
    "b": "bar",
    "c": "bar",
    "d": "bar"
}]


def valid(msg, schema, inst):
    print "\n\n\n\n##### {0} #####".format(msg)
    validator = Draft4Validator(schema, format_checker=FormatChecker())

    print json.dumps(inst)
    lastidx = 0
    for idx, err in enumerate(validator.iter_errors(inst), 1):
        lastidx = idx
        if idx == 1:
            print "\tSCHEMA ERRORS:"
        print "\t{0}. {1}\n".format(idx, pprint.pformat(err))

    if lastidx == 0:
        print "\tVALIDATED SUCCESS"



valid("schema uses 'items' : Good Data", working_good_schema, good_data)

valid("schema uses 'items' : Bad Data = Should Fail", working_good_schema, bad_data)

valid("schema uses 'additionalItems' : Good Data", nonworking_good_schema, good_data)

# import pdb; pdb.set_trace()

valid("schema uses 'additionalItems' : Bad Data = Should Fail", nonworking_good_schema, bad_data)