@sprucelabs/test-utils/build/utilities/spies/Spy.js

Helpful utilities to make asserting more complicated conditions quick and easy! ⚡️

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const assert_1 = __importDefault(require("../../assert/assert"));
class Spy {
    constructor(object, method) {
        this.hitCount = 0;
        this.originalMethod = object[method].bind(object);
        this.method = method;
        this.object = object;
        //@ts-ignore
        this.object[method] = (...args) => {
            this.hitCount++;
            this.lastArgs = args;
            return this.originalMethod(...args);
        };
    }
    assertCalledTotalTimes(expected) {
        if (this.hitCount !== expected) {
            throw new Error(`${String(this.method)} was not called ${expected} time(s)! It was called ${this.hitCount} time(s).`);
        }
    }
    assertLastCalledWith(args) {
        assert_1.default.isEqualDeep(this.lastArgs, args, `${String(this.method)} was not called with the expected argument`);
    }
    reset() {
        this.object[this.method] = this.originalMethod;
    }
}
exports.default = Spy;