@fast-check/ava/lib/ava-fast-check.d.ts

Property based testing for AVA based on fast-check

import test, { AfterFn, BeforeFn, ImplementationFn } from "ava";
import * as fc from "fast-check";

//#region src/ava-fast-check.d.ts
type NonEmptyArray<A> = A[] & {
  0: A;
};
type ArbitraryTuple<Ts extends NonEmptyArray<any>> = { [P in keyof Ts]: fc.Arbitrary<Ts[P]> };
type Prop<Context, Ts extends NonEmptyArray<any>> = ImplementationFn<Ts, Context>;
type PropertyTest<Context> = <Ts extends NonEmptyArray<any>>(label: string, arbitraries: ArbitraryTuple<Ts>, prop: Prop<Context, Ts>, params?: fc.Parameters<Ts>) => void;
type AvaModifierWhitelist = "only" | "failing" | "skip" | "serial";
type PropertyTestFn<Context> = PropertyTest<Context> & { [Modifier in AvaModifierWhitelist]: PropertyTest<Context> } & {
  before: BeforeFn<Context>;
  after: AfterFn<Context>;
};
declare const testProp: PropertyTestFn<unknown>;
//#endregion
export { PropertyTestFn, fc, test, testProp };