fast-check
Version:
Property based testing framework for JavaScript (like QuickCheck)
28 lines (27 loc) • 1.57 kB
JavaScript
import { buildPartialRecordArbitrary } from './_internals/builders/PartialRecordArbitraryBuilder.js';
function record(recordModel, constraints) {
const noNullPrototype = constraints === undefined || constraints.noNullPrototype === undefined || constraints.noNullPrototype;
if (constraints == null) {
return buildPartialRecordArbitrary(recordModel, undefined, noNullPrototype);
}
if ('withDeletedKeys' in constraints && 'requiredKeys' in constraints) {
throw new Error(`requiredKeys and withDeletedKeys cannot be used together in fc.record`);
}
const requireDeletedKeys = ('requiredKeys' in constraints && constraints.requiredKeys !== undefined) ||
('withDeletedKeys' in constraints && !!constraints.withDeletedKeys);
if (!requireDeletedKeys) {
return buildPartialRecordArbitrary(recordModel, undefined, noNullPrototype);
}
const requiredKeys = ('requiredKeys' in constraints ? constraints.requiredKeys : undefined) || [];
for (let idx = 0; idx !== requiredKeys.length; ++idx) {
const descriptor = Object.getOwnPropertyDescriptor(recordModel, requiredKeys[idx]);
if (descriptor === undefined) {
throw new Error(`requiredKeys cannot reference keys that have not been defined in recordModel`);
}
if (!descriptor.enumerable) {
throw new Error(`requiredKeys cannot reference keys that have are enumerable in recordModel`);
}
}
return buildPartialRecordArbitrary(recordModel, requiredKeys, noNullPrototype);
}
export { record };