assert.CallTracker.prototype.calls - assert

calls

method assert.CallTracker.prototype.calls

#CallTracker.prototype.calls(exact?: number): () => void

The wrapper function is expected to be called exactly exact times. If the function has not been called exactly exact times when tracker.verify() is called, then tracker.verify() will throw an error.

import assert from 'node:assert';

// Creates call tracker.
const tracker = new assert.CallTracker();

function func() {}

// Returns a function that wraps func() that must be called exact times
// before tracker.verify().
const callsfunc = tracker.calls(func);

Parameters #

optional

#exact: number = 1

Return Type #

() => void

A function that wraps fn.

#CallTracker.prototype.calls<Func extends (...args: any[]) => any>(fn?: Func,
exact?: number,
): Func

Type Parameters #

#Func extends (...args: any[]) => any

Parameters #

optional

#fn: Func

optional

#exact: number

Return Type #

Func