diff options
Diffstat (limited to 'spec/frontend/monitoring/components/refresh_button_spec.js')
-rw-r--r-- | spec/frontend/monitoring/components/refresh_button_spec.js | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/spec/frontend/monitoring/components/refresh_button_spec.js b/spec/frontend/monitoring/components/refresh_button_spec.js new file mode 100644 index 00000000000..29615638453 --- /dev/null +++ b/spec/frontend/monitoring/components/refresh_button_spec.js @@ -0,0 +1,143 @@ +import { shallowMount } from '@vue/test-utils'; +import { createStore } from '~/monitoring/stores'; +import { GlNewDropdown, GlNewDropdownItem, GlButton } from '@gitlab/ui'; + +import RefreshButton from '~/monitoring/components/refresh_button.vue'; + +describe('RefreshButton', () => { + let wrapper; + let store; + let dispatch; + let documentHidden; + + const createWrapper = () => { + wrapper = shallowMount(RefreshButton, { store }); + }; + + const findRefreshBtn = () => wrapper.find(GlButton); + const findDropdown = () => wrapper.find(GlNewDropdown); + const findOptions = () => findDropdown().findAll(GlNewDropdownItem); + const findOptionAt = index => findOptions().at(index); + + const expectFetchDataToHaveBeenCalledTimes = times => { + const refreshCalls = dispatch.mock.calls.filter(([action, payload]) => { + return action === 'monitoringDashboard/fetchDashboardData' && payload === undefined; + }); + expect(refreshCalls).toHaveLength(times); + }; + + beforeEach(() => { + store = createStore(); + jest.spyOn(store, 'dispatch').mockResolvedValue(); + dispatch = store.dispatch; + + // Document can be mock hidden by overriding the `hidden` property + documentHidden = false; + Object.defineProperty(document, 'hidden', { + configurable: true, + get() { + return documentHidden; + }, + }); + + createWrapper(); + }); + + afterEach(() => { + dispatch.mockReset(); + wrapper.destroy(); + }); + + it('refreshes data when "refresh" is clicked', () => { + findRefreshBtn().vm.$emit('click'); + expectFetchDataToHaveBeenCalledTimes(1); + }); + + it('refresh rate is "Off" in the dropdown', () => { + expect(findDropdown().props('text')).toBe('Off'); + }); + + describe('refresh rate options', () => { + it('presents multiple options', () => { + expect(findOptions().length).toBeGreaterThan(1); + }); + + it('presents an "Off" option as the default option', () => { + expect(findOptionAt(0).text()).toBe('Off'); + expect(findOptionAt(0).props('isChecked')).toBe(true); + }); + }); + + describe('when a refresh rate is chosen', () => { + const optIndex = 2; // Other option than "Off" + + beforeEach(() => { + findOptionAt(optIndex).vm.$emit('click'); + return wrapper.vm.$nextTick; + }); + + it('refresh rate appears in the dropdown', () => { + expect(findDropdown().props('text')).toBe('10s'); + }); + + it('refresh rate option is checked', () => { + expect(findOptionAt(0).props('isChecked')).toBe(false); + expect(findOptionAt(optIndex).props('isChecked')).toBe(true); + }); + + it('refreshes data when a new refresh rate is chosen', () => { + expectFetchDataToHaveBeenCalledTimes(1); + }); + + it('refreshes data after two intervals of time have passed', async () => { + jest.runOnlyPendingTimers(); + expectFetchDataToHaveBeenCalledTimes(2); + + await wrapper.vm.$nextTick(); + + jest.runOnlyPendingTimers(); + expectFetchDataToHaveBeenCalledTimes(3); + }); + + it('does not refresh data if the document is hidden', async () => { + documentHidden = true; + + jest.runOnlyPendingTimers(); + expectFetchDataToHaveBeenCalledTimes(1); + + await wrapper.vm.$nextTick(); + + jest.runOnlyPendingTimers(); + expectFetchDataToHaveBeenCalledTimes(1); + }); + + it('data is not refreshed anymore after component is destroyed', () => { + expect(jest.getTimerCount()).toBe(1); + + wrapper.destroy(); + + expect(jest.getTimerCount()).toBe(0); + }); + + describe('when "Off" refresh rate is chosen', () => { + beforeEach(() => { + findOptionAt(0).vm.$emit('click'); + return wrapper.vm.$nextTick; + }); + + it('refresh rate is "Off" in the dropdown', () => { + expect(findDropdown().props('text')).toBe('Off'); + }); + + it('refresh rate option is appears selected', () => { + expect(findOptionAt(0).props('isChecked')).toBe(true); + expect(findOptionAt(optIndex).props('isChecked')).toBe(false); + }); + + it('stops refreshing data', () => { + jest.runOnlyPendingTimers(); + expectFetchDataToHaveBeenCalledTimes(1); + }); + }); + }); +}); |