debian-mirror-gitlab/spec/frontend/monitoring/components/refresh_button_spec.js

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import { GlDropdown, GlDropdownItem, GlButton } from '@gitlab/ui';
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import { shallowMount } from '@vue/test-utils';
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import Visibility from 'visibilityjs';
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import { nextTick } from 'vue';
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import RefreshButton from '~/monitoring/components/refresh_button.vue';
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import { createStore } from '~/monitoring/stores';
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describe('RefreshButton', () => {
let wrapper;
let store;
let dispatch;
let documentHidden;
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const createWrapper = (options = {}) => {
wrapper = shallowMount(RefreshButton, { store, ...options });
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};
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const findRefreshBtn = () => wrapper.findComponent(GlButton);
const findDropdown = () => wrapper.findComponent(GlDropdown);
const findOptions = () => findDropdown().findAllComponents(GlDropdownItem);
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const findOptionAt = (index) => findOptions().at(index);
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const expectFetchDataToHaveBeenCalledTimes = (times) => {
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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;
documentHidden = false;
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jest.spyOn(Visibility, 'hidden').mockImplementation(() => documentHidden);
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createWrapper();
});
afterEach(() => {
dispatch.mockReset();
wrapper.destroy();
});
it('refreshes data when "refresh" is clicked', () => {
findRefreshBtn().vm.$emit('click');
expectFetchDataToHaveBeenCalledTimes(1);
});
it('refresh rate is "Off" in the dropdown', () => {
expect(findDropdown().props('text')).toBe('Off');
});
describe('refresh rate options', () => {
it('presents multiple options', () => {
expect(findOptions().length).toBeGreaterThan(1);
});
it('presents an "Off" option as the default option', () => {
expect(findOptionAt(0).text()).toBe('Off');
expect(findOptionAt(0).props('isChecked')).toBe(true);
});
});
describe('when a refresh rate is chosen', () => {
const optIndex = 2; // Other option than "Off"
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beforeEach(async () => {
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findOptionAt(optIndex).vm.$emit('click');
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await nextTick();
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});
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);
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await nextTick();
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jest.runOnlyPendingTimers();
expectFetchDataToHaveBeenCalledTimes(3);
});
it('does not refresh data if the document is hidden', async () => {
documentHidden = true;
jest.runOnlyPendingTimers();
expectFetchDataToHaveBeenCalledTimes(1);
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await nextTick();
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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', () => {
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beforeEach(async () => {
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findOptionAt(0).vm.$emit('click');
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await nextTick();
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});
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);
});
});
});
});