@gleaner/tracker/__tests__/builder.js

A JavaScript tracking library with ecommerce support

import Builder from '../src/builder'

describe("Builder", () => {

	let onEventCreated = jest.fn()
	let b = new Builder({}, onEventCreated)

	describe("#push", () => {

		test('flush should call empty event created', () => {
			b.push(["flush"])
			expect(onEventCreated).toHaveBeenCalled()
		});

		test("should have track methods callable", () => {
			b.trackImpression = jest.fn()
			b.push(["trackImpression"])
			expect(b.trackImpression).toHaveBeenCalled()
		})

	})

})