75 lines
1.8 KiB
JavaScript
75 lines
1.8 KiB
JavaScript
import Vue, { nextTick } from 'vue';
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import mountComponent from 'helpers/vue_mount_component_helper';
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import GlCountdown from '~/vue_shared/components/gl_countdown.vue';
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describe('GlCountdown', () => {
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const Component = Vue.extend(GlCountdown);
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let vm;
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let now = '2000-01-01T00:00:00Z';
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beforeEach(() => {
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jest.spyOn(Date, 'now').mockImplementation(() => new Date(now).getTime());
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});
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afterEach(() => {
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vm.$destroy();
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jest.clearAllTimers();
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});
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describe('when there is time remaining', () => {
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beforeEach(async () => {
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vm = mountComponent(Component, {
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endDateString: '2000-01-01T01:02:03Z',
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});
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await nextTick();
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});
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it('displays remaining time', () => {
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expect(vm.$el.textContent).toContain('01:02:03');
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});
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it('updates remaining time', async () => {
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now = '2000-01-01T00:00:01Z';
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jest.advanceTimersByTime(1000);
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await nextTick();
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expect(vm.$el.textContent).toContain('01:02:02');
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});
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});
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describe('when there is no time remaining', () => {
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beforeEach(async () => {
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vm = mountComponent(Component, {
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endDateString: '1900-01-01T00:00:00Z',
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});
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await nextTick();
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});
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it('displays 00:00:00', () => {
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expect(vm.$el.textContent).toContain('00:00:00');
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});
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});
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describe('when an invalid date is passed', () => {
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beforeEach(() => {
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Vue.config.warnHandler = jest.fn();
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});
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afterEach(() => {
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Vue.config.warnHandler = null;
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});
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it('throws a validation error', () => {
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vm = mountComponent(Component, {
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endDateString: 'this is invalid',
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});
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expect(Vue.config.warnHandler).toHaveBeenCalledTimes(1);
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const [errorMessage] = Vue.config.warnHandler.mock.calls[0];
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expect(errorMessage).toMatch(/^Invalid prop: .* "endDateString"/);
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});
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});
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});
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