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77f4810ddc
by setting up localVue with all required plugins (such as styleguide and vuex) in a separate testSetup file we can avoid doing this individually in all component tests the testSetup is executed before each test suite, so each test file gets a fresh instance of localVue
78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
import { shallowMount } from '@vue/test-utils'
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import Upload from '.'
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const localVue = global.localVue
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describe('Upload', () => {
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let wrapper
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const mocks = {
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$apollo: {
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mutate: jest
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.fn()
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.mockResolvedValueOnce({
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data: { UpdateUser: { id: 'upload1', avatar: '/upload/avatar.jpg' } },
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})
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.mockRejectedValue({
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message: 'File upload unsuccessful! Whatcha gonna do?',
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}),
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},
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$toast: {
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success: jest.fn(),
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error: jest.fn(),
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},
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$t: jest.fn(),
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}
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const propsData = {
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user: {
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avatar: '/api/generic.jpg',
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},
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}
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beforeEach(() => {
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jest.useFakeTimers()
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wrapper = shallowMount(Upload, { localVue, propsData, mocks })
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})
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afterEach(() => {
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jest.clearAllMocks()
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})
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it('sends a the UpdateUser mutation when vddrop is called', () => {
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wrapper.vm.vddrop([{ filename: 'avatar.jpg' }])
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expect(mocks.$apollo.mutate).toHaveBeenCalledTimes(1)
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})
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describe('error handling', () => {
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const message = 'File upload failed'
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const fileError = { status: 'error' }
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it('defaults to error false', () => {
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expect(wrapper.vm.error).toEqual(false)
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})
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it('shows an error toaster when verror is called', () => {
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wrapper.vm.verror(fileError, message)
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expect(mocks.$toast.error).toHaveBeenCalledWith(fileError.status, message)
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})
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it('changes error status from false to true to false', () => {
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wrapper.vm.verror(fileError, message)
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expect(wrapper.vm.error).toEqual(true)
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jest.runAllTimers()
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expect(wrapper.vm.error).toEqual(false)
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})
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it('shows an error toaster when the apollo mutation rejects', async () => {
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// calls vddrop twice because of how mockResolvedValueOnce works in jest
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// the first time the mock function is called it will resolve, calling it a
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// second time will cause it to fail(with this implementation)
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// https://jestjs.io/docs/en/mock-function-api.html#mockfnmockresolvedvalueoncevalue
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await wrapper.vm.vddrop([{ filename: 'avatar.jpg' }])
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await wrapper.vm.vddrop([{ filename: 'avatar.jpg' }])
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expect(mocks.$toast.error).toHaveBeenCalledTimes(1)
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})
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})
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})
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