diff options
Diffstat (limited to 'spec/frontend/vue_shared/components/gl_countdown_spec.js')
-rw-r--r-- | spec/frontend/vue_shared/components/gl_countdown_spec.js | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/spec/frontend/vue_shared/components/gl_countdown_spec.js b/spec/frontend/vue_shared/components/gl_countdown_spec.js new file mode 100644 index 00000000000..365c9fad478 --- /dev/null +++ b/spec/frontend/vue_shared/components/gl_countdown_spec.js @@ -0,0 +1,83 @@ +import mountComponent from 'helpers/vue_mount_component_helper'; +import Vue from 'vue'; +import GlCountdown from '~/vue_shared/components/gl_countdown.vue'; + +describe('GlCountdown', () => { + const Component = Vue.extend(GlCountdown); + let vm; + let now = '2000-01-01T00:00:00Z'; + + beforeEach(() => { + jest.spyOn(Date, 'now').mockImplementation(() => new Date(now).getTime()); + }); + + afterEach(() => { + vm.$destroy(); + jest.clearAllTimers(); + }); + + describe('when there is time remaining', () => { + beforeEach(done => { + vm = mountComponent(Component, { + endDateString: '2000-01-01T01:02:03Z', + }); + + Vue.nextTick() + .then(done) + .catch(done.fail); + }); + + it('displays remaining time', () => { + expect(vm.$el.textContent).toContain('01:02:03'); + }); + + it('updates remaining time', done => { + now = '2000-01-01T00:00:01Z'; + jest.advanceTimersByTime(1000); + + Vue.nextTick() + .then(() => { + expect(vm.$el.textContent).toContain('01:02:02'); + done(); + }) + .catch(done.fail); + }); + }); + + describe('when there is no time remaining', () => { + beforeEach(done => { + vm = mountComponent(Component, { + endDateString: '1900-01-01T00:00:00Z', + }); + + Vue.nextTick() + .then(done) + .catch(done.fail); + }); + + it('displays 00:00:00', () => { + expect(vm.$el.textContent).toContain('00:00:00'); + }); + }); + + describe('when an invalid date is passed', () => { + beforeEach(() => { + Vue.config.warnHandler = jest.fn(); + }); + + afterEach(() => { + Vue.config.warnHandler = null; + }); + + it('throws a validation error', () => { + vm = mountComponent(Component, { + endDateString: 'this is invalid', + }); + + expect(Vue.config.warnHandler).toHaveBeenCalledTimes(1); + const [errorMessage] = Vue.config.warnHandler.mock.calls[0]; + + expect(errorMessage).toMatch(/^Invalid prop: .* "endDateString"/); + }); + }); +}); |