vue-express-mongo-boilerplate/tests/e2e/custom-assertions/elementCount.js

Express NodeJS application server boilerplate with Mongo and VueJS

"use strict";

// A custom Nightwatch assertion.
// the name of the method is the filename.
// can be used in tests like this:
//
//   browser.assert.elementCount(selector, count)
//
// for how to write custom assertions see
// http://nightwatchjs.org/guide#writing-custom-assertions
exports.assertion = function (selector, count) {
	this.message = "Testing if element <" + selector + "> has count: " + count;
	this.expected = count;
	this.pass = function (val) {
		return val === this.expected;
	};
	this.value = function (res) {
		return res.value;
	};
	this.command = function (cb) {
		let self = this;
		return this.api.execute(function (selector) {
			return document.querySelectorAll(selector).length;
		}, [selector], function (res) {
			cb.call(self, res);
		});
	};
};