spy | /lib/std/testing.ts | molt@0.17.2

function spy

import { spy } from "https://deno.land/x/molt@0.17.2/lib/std/testing.ts";

spy<Self = any, Args extends unknown[] = any[], Return = undefined>(): Spy<Self, Args, Return>

Wraps a function or instance method with a Spy.

spy<Self, Args extends unknown[], Return>(func: (this: Self, ...args: Args) => Return): Spy<Self, Args, Return>

spy<Self, Args extends unknown[], Return = undefined>(constructor: new (...args: Args) => Self): ConstructorSpy<Self, Args>

spy<Self, Prop extends keyof Self>(self: Self, property: Prop): MethodSpy<Self, GetParametersFromProp<Self, Prop>, GetReturnFromProp<Self, Prop>>

Wraps a function or instance method with a Spy.

Type Parameters

optional

Self = any

optional

Args extends unknown[] = any[]

optional

Return = undefined

Self

Args extends unknown[]

Return

func: (this: Self, ...args: Args) => Return

Self

Args extends unknown[]

optional

Return = undefined

constructor: new (...args: Args) => Self

Self

Prop extends keyof Self

self: Self

property: Prop

MethodSpy<Self, GetParametersFromProp<Self, Prop>, GetReturnFromProp<Self, Prop>>