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test(vuex-middleware): Adds tests for the vuex-middleware module
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‎__tests__/vuex-middleware.spec.js

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jest.mock('load-script')
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import Vue from 'vue'
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import VueAnalytics from '../src'
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import analyticsMiddleware from '../src/vuex-middleware'
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window.ga = jest.fn()
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let $vm
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let store
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beforeEach(() => {
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window.ga.mockClear()
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store = {
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subscribers: [],
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subscribe: function (fn) {
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this.subscribers.push(fn)
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},
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fire: function (mutation) {
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this.subscribers.forEach(x => { x(mutation) })
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}
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}
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analyticsMiddleware(store)
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Vue.use(VueAnalytics, {
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id: 'UA-1234-5'
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})
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$vm = new Vue({})
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$vm.$mount()
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})
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describe('input check', () => {
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it('should allow meta tags without analytics', () => {
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let mutation = {
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payload: {
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meta: {
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}
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}
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}
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expect(() => { store.fire(mutation) }).not.toThrowError()
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})
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it('should throw an error when analytics is not an array', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: {}
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}
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}
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}
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expect(() => { store.fire(mutation) }).toThrowError()
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})
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it('should throw an unknown type error', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [['unknown']]
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}
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}
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}
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expect(() => { store.fire(mutation) }).toThrowError()
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})
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it('should throw an unknown method for type error', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [['event:unknown']]
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}
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}
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}
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expect(() => { store.fire(mutation) }).toThrowError()
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})
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it('should throw an error because ecommerce requires a method call', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [['ecommerce']]
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}
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}
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}
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expect(() => { store.fire(mutation) }).toThrowError()
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})
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})
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describe('fire event', () => {
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it('should fire a simple tracking event based on the meta payload', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'event', 'CLICK', 'TEST', 'LABEL', 1
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('send', 'event', 'CLICK', 'TEST', 'LABEL', 1)
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})
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it('should fire a simple event based on the meta payload', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'event', 'foo', 'bar'
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('send', 'event', 'foo', 'bar')
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})
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it('should fire a simple exception event based on the meta payload', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'exception', 'CLICK', 'TEST'
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('send', 'exception', { exDescription: 'CLICK', exFatal: 'TEST' })
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})
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it('should fire a simple set event based on the meta payload', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'set', 'foo', 'bar'
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('set', 'foo', 'bar')
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})
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it('should fire a simple social event based on the meta payload', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'social', 'Facebook', 'like', 'http://foo.com'
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('send', 'social', 'Facebook', 'like', 'http://foo.com')
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})
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it('should fire a simple timing event based on the meta payload', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'time', 'category', 'variable', 123, 'label'
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('send', 'timing', 'category', 'variable', 123, 'label')
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})
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it('should fire a simple timing event based on the meta payload', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'time', 'category', 'variable', 123, 'label'
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('send', 'timing', 'category', 'variable', 123, 'label')
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})
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it('should fire a simple page event based on the meta payload', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'page', '/'
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('set', 'page', '/')
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expect(window.ga).toBeCalledWith('send', 'pageview', '/')
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})
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it('should fire a simple require event based on the meta payload', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'require', 'myplugin', { foo: 'bar' }
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('require', 'myplugin', {
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foo: 'bar'
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})
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})
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it('should fire a simple query event based on the meta payload', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'query', 'test'
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('test')
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})
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it('should fire a ecommerce query event based on the meta payload', () => {
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let item = {
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id: '1234',
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name: 'Fluffy Pink Bunnies',
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sku: 'DD23444',
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category: 'Party Toys',
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price: '11.99',
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quantity: '1'
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}
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let mutation = {
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payload: {
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meta: {
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analytics: [
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['ecommerce:addItem', item]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('ecommerce:addItem', item)
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})
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it('should allow multiple events to fire', () => {
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let mutation = {
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payload: {
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meta: {
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analytics: [
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[
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'event', 'foo', 'bar'
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],
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[
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'exception', 'CLICK', 'TEST', 'LABEL', 1
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]
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]
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}
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}
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}
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store.fire(mutation)
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expect(window.ga).toBeCalledWith('send', 'event', 'foo', 'bar')
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expect(window.ga).toBeCalledWith('send', 'exception', { exDescription: 'CLICK', exFatal: 'TEST' })
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})
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})

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