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

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import { shallowMount, mount } from '@vue/test-utils';
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import MockAdapter from 'axios-mock-adapter';
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import VueDraggable from 'vuedraggable';
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import { TEST_HOST } from 'helpers/test_constants';
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import { deprecatedCreateFlash as createFlash } from '~/flash';
import axios from '~/lib/utils/axios_utils';
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import { ESC_KEY } from '~/lib/utils/keys';
import { objectToQuery } from '~/lib/utils/url_utility';
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import Dashboard from '~/monitoring/components/dashboard.vue';
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import DashboardHeader from '~/monitoring/components/dashboard_header.vue';
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import DashboardPanel from '~/monitoring/components/dashboard_panel.vue';
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import EmptyState from '~/monitoring/components/empty_state.vue';
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import GraphGroup from '~/monitoring/components/graph_group.vue';
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import GroupEmptyState from '~/monitoring/components/group_empty_state.vue';
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import LinksSection from '~/monitoring/components/links_section.vue';
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import { dashboardEmptyStates, metricStates } from '~/monitoring/constants';
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import { createStore } from '~/monitoring/stores';
import * as types from '~/monitoring/stores/mutation_types';
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import {
metricsDashboardViewModel,
metricsDashboardPanelCount,
dashboardProps,
} from '../fixture_data';
import { dashboardGitResponse, storeVariables } from '../mock_data';
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import {
setupAllDashboards,
setupStoreWithDashboard,
setMetricResult,
setupStoreWithData,
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setupStoreWithDataForPanelCount,
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setupStoreWithLinks,
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} from '../store_utils';
jest.mock('~/flash');
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describe('Dashboard', () => {
let store;
let wrapper;
let mock;
const createShallowWrapper = (props = {}, options = {}) => {
wrapper = shallowMount(Dashboard, {
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propsData: { ...dashboardProps, ...props },
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store,
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stubs: {
DashboardHeader,
},
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...options,
});
};
const createMountedWrapper = (props = {}, options = {}) => {
wrapper = mount(Dashboard, {
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propsData: { ...dashboardProps, ...props },
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store,
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stubs: {
'graph-group': true,
'dashboard-panel': true,
'dashboard-header': DashboardHeader,
},
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...options,
});
};
beforeEach(() => {
store = createStore();
mock = new MockAdapter(axios);
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jest.spyOn(store, 'dispatch').mockResolvedValue();
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});
afterEach(() => {
mock.restore();
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if (store.dispatch.mockReset) {
store.dispatch.mockReset();
}
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});
describe('request information to the server', () => {
it('calls to set time range and fetch data', () => {
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createShallowWrapper({ hasMetrics: true });
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return wrapper.vm.$nextTick().then(() => {
expect(store.dispatch).toHaveBeenCalledWith(
'monitoringDashboard/setTimeRange',
expect.any(Object),
);
expect(store.dispatch).toHaveBeenCalledWith('monitoringDashboard/fetchData', undefined);
});
});
it('shows up a loading state', () => {
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store.state.monitoringDashboard.emptyState = dashboardEmptyStates.LOADING;
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createShallowWrapper({ hasMetrics: true });
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return wrapper.vm.$nextTick().then(() => {
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expect(wrapper.find(EmptyState).exists()).toBe(true);
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expect(wrapper.find(EmptyState).props('selectedState')).toBe(dashboardEmptyStates.LOADING);
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});
});
it('hides the group panels when showPanels is false', () => {
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createMountedWrapper({ hasMetrics: true, showPanels: false });
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setupStoreWithData(store);
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return wrapper.vm.$nextTick().then(() => {
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expect(wrapper.vm.emptyState).toBeNull();
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expect(wrapper.findAll('.prometheus-panel')).toHaveLength(0);
});
});
it('fetches the metrics data with proper time window', () => {
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createMountedWrapper({ hasMetrics: true });
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return wrapper.vm.$nextTick().then(() => {
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expect(store.dispatch).toHaveBeenCalledWith('monitoringDashboard/fetchData', undefined);
expect(store.dispatch).toHaveBeenCalledWith(
'monitoringDashboard/setTimeRange',
expect.objectContaining({ duration: { seconds: 28800 } }),
);
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});
});
});
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describe('panel containers layout', () => {
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const findPanelLayoutWrapperAt = (index) => {
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return wrapper
.find(GraphGroup)
.findAll('[data-testid="dashboard-panel-layout-wrapper"]')
.at(index);
};
beforeEach(() => {
createMountedWrapper({ hasMetrics: true });
return wrapper.vm.$nextTick();
});
describe('when the graph group has an even number of panels', () => {
it('2 panels - all panel wrappers take half width of their parent', () => {
setupStoreWithDataForPanelCount(store, 2);
wrapper.vm.$nextTick(() => {
expect(findPanelLayoutWrapperAt(0).classes('col-lg-6')).toBe(true);
expect(findPanelLayoutWrapperAt(1).classes('col-lg-6')).toBe(true);
});
});
it('4 panels - all panel wrappers take half width of their parent', () => {
setupStoreWithDataForPanelCount(store, 4);
wrapper.vm.$nextTick(() => {
expect(findPanelLayoutWrapperAt(0).classes('col-lg-6')).toBe(true);
expect(findPanelLayoutWrapperAt(1).classes('col-lg-6')).toBe(true);
expect(findPanelLayoutWrapperAt(2).classes('col-lg-6')).toBe(true);
expect(findPanelLayoutWrapperAt(3).classes('col-lg-6')).toBe(true);
});
});
});
describe('when the graph group has an odd number of panels', () => {
it('1 panel - panel wrapper does not take half width of its parent', () => {
setupStoreWithDataForPanelCount(store, 1);
wrapper.vm.$nextTick(() => {
expect(findPanelLayoutWrapperAt(0).classes('col-lg-6')).toBe(false);
});
});
it('3 panels - all panels but last take half width of their parents', () => {
setupStoreWithDataForPanelCount(store, 3);
wrapper.vm.$nextTick(() => {
expect(findPanelLayoutWrapperAt(0).classes('col-lg-6')).toBe(true);
expect(findPanelLayoutWrapperAt(1).classes('col-lg-6')).toBe(true);
expect(findPanelLayoutWrapperAt(2).classes('col-lg-6')).toBe(false);
});
});
it('5 panels - all panels but last take half width of their parents', () => {
setupStoreWithDataForPanelCount(store, 5);
wrapper.vm.$nextTick(() => {
expect(findPanelLayoutWrapperAt(0).classes('col-lg-6')).toBe(true);
expect(findPanelLayoutWrapperAt(1).classes('col-lg-6')).toBe(true);
expect(findPanelLayoutWrapperAt(2).classes('col-lg-6')).toBe(true);
expect(findPanelLayoutWrapperAt(3).classes('col-lg-6')).toBe(true);
expect(findPanelLayoutWrapperAt(4).classes('col-lg-6')).toBe(false);
});
});
});
});
describe('dashboard validation warning', () => {
it('displays a warning if there are validation warnings', () => {
createMountedWrapper({ hasMetrics: true });
store.commit(
`monitoringDashboard/${types.RECEIVE_DASHBOARD_VALIDATION_WARNINGS_SUCCESS}`,
true,
);
return wrapper.vm.$nextTick().then(() => {
expect(createFlash).toHaveBeenCalled();
});
});
it('does not display a warning if there are no validation warnings', () => {
createMountedWrapper({ hasMetrics: true });
store.commit(
`monitoringDashboard/${types.RECEIVE_DASHBOARD_VALIDATION_WARNINGS_SUCCESS}`,
false,
);
return wrapper.vm.$nextTick().then(() => {
expect(createFlash).not.toHaveBeenCalled();
});
});
});
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describe('when the URL contains a reference to a panel', () => {
let location;
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const setSearch = (search) => {
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window.location = { ...location, search };
};
beforeEach(() => {
location = window.location;
delete window.location;
});
afterEach(() => {
window.location = location;
});
it('when the URL points to a panel it expands', () => {
const panelGroup = metricsDashboardViewModel.panelGroups[0];
const panel = panelGroup.panels[0];
setSearch(
objectToQuery({
group: panelGroup.group,
title: panel.title,
y_label: panel.y_label,
}),
);
createMountedWrapper({ hasMetrics: true });
setupStoreWithData(store);
return wrapper.vm.$nextTick().then(() => {
expect(store.dispatch).toHaveBeenCalledWith('monitoringDashboard/setExpandedPanel', {
group: panelGroup.group,
panel: expect.objectContaining({
title: panel.title,
y_label: panel.y_label,
}),
});
});
});
it('when the URL does not link to any panel, no panel is expanded', () => {
setSearch('');
createMountedWrapper({ hasMetrics: true });
setupStoreWithData(store);
return wrapper.vm.$nextTick().then(() => {
expect(store.dispatch).not.toHaveBeenCalledWith(
'monitoringDashboard/setExpandedPanel',
expect.anything(),
);
});
});
it('when the URL points to an incorrect panel it shows an error', () => {
const panelGroup = metricsDashboardViewModel.panelGroups[0];
const panel = panelGroup.panels[0];
setSearch(
objectToQuery({
group: panelGroup.group,
title: 'incorrect',
y_label: panel.y_label,
}),
);
createMountedWrapper({ hasMetrics: true });
setupStoreWithData(store);
return wrapper.vm.$nextTick().then(() => {
expect(createFlash).toHaveBeenCalled();
expect(store.dispatch).not.toHaveBeenCalledWith(
'monitoringDashboard/setExpandedPanel',
expect.anything(),
);
});
});
});
describe('when the panel is expanded', () => {
let group;
let panel;
const expandPanel = (mockGroup, mockPanel) => {
store.commit(`monitoringDashboard/${types.SET_EXPANDED_PANEL}`, {
group: mockGroup,
panel: mockPanel,
});
};
beforeEach(() => {
setupStoreWithData(store);
const { panelGroups } = store.state.monitoringDashboard.dashboard;
group = panelGroups[0].group;
[panel] = panelGroups[0].panels;
jest.spyOn(window.history, 'pushState').mockImplementation();
});
afterEach(() => {
window.history.pushState.mockRestore();
});
it('URL is updated with panel parameters', () => {
createMountedWrapper({ hasMetrics: true });
expandPanel(group, panel);
const expectedSearch = objectToQuery({
group,
title: panel.title,
y_label: panel.y_label,
});
return wrapper.vm.$nextTick(() => {
expect(window.history.pushState).toHaveBeenCalledTimes(1);
expect(window.history.pushState).toHaveBeenCalledWith(
expect.anything(), // state
expect.any(String), // document title
expect.stringContaining(`${expectedSearch}`),
);
});
});
it('URL is updated with panel parameters and custom dashboard', () => {
const dashboard = 'dashboard.yml';
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store.commit(`monitoringDashboard/${types.SET_INITIAL_STATE}`, {
currentDashboard: dashboard,
});
createMountedWrapper({ hasMetrics: true });
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expandPanel(group, panel);
const expectedSearch = objectToQuery({
dashboard,
group,
title: panel.title,
y_label: panel.y_label,
});
return wrapper.vm.$nextTick(() => {
expect(window.history.pushState).toHaveBeenCalledTimes(1);
expect(window.history.pushState).toHaveBeenCalledWith(
expect.anything(), // state
expect.any(String), // document title
expect.stringContaining(`${expectedSearch}`),
);
});
});
it('URL is updated with no parameters', () => {
expandPanel(group, panel);
createMountedWrapper({ hasMetrics: true });
expandPanel(null, null);
return wrapper.vm.$nextTick(() => {
expect(window.history.pushState).toHaveBeenCalledTimes(1);
expect(window.history.pushState).toHaveBeenCalledWith(
expect.anything(), // state
expect.any(String), // document title
expect.not.stringMatching(/group|title|y_label/), // no panel params
);
});
});
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});
describe('when all panels in the first group are loading', () => {
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const findGroupAt = (i) => wrapper.findAll(GraphGroup).at(i);
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beforeEach(() => {
setupStoreWithDashboard(store);
const { panels } = store.state.monitoringDashboard.dashboard.panelGroups[0];
panels.forEach(({ metrics }) => {
store.commit(`monitoringDashboard/${types.REQUEST_METRIC_RESULT}`, {
metricId: metrics[0].metricId,
});
});
createShallowWrapper();
return wrapper.vm.$nextTick();
});
it('a loading icon appears in the first group', () => {
expect(findGroupAt(0).props('isLoading')).toBe(true);
});
it('a loading icon does not appear in the second group', () => {
expect(findGroupAt(1).props('isLoading')).toBe(false);
});
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});
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describe('when all requests have been commited by the store', () => {
beforeEach(() => {
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store.commit(`monitoringDashboard/${types.SET_INITIAL_STATE}`, {
currentEnvironmentName: 'production',
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currentDashboard: dashboardGitResponse[0].path,
projectPath: TEST_HOST,
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});
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createMountedWrapper({ hasMetrics: true });
setupStoreWithData(store);
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return wrapper.vm.$nextTick();
});
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it('it does not show loading icons in any group', () => {
setupStoreWithData(store);
wrapper.vm.$nextTick(() => {
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wrapper.findAll(GraphGroup).wrappers.forEach((groupWrapper) => {
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expect(groupWrapper.props('isLoading')).toBe(false);
});
});
});
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});
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describe('variables section', () => {
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beforeEach(() => {
createShallowWrapper({ hasMetrics: true });
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setupStoreWithData(store);
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store.state.monitoringDashboard.variables = storeVariables;
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return wrapper.vm.$nextTick();
});
it('shows the variables section', () => {
expect(wrapper.vm.shouldShowVariablesSection).toBe(true);
});
});
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describe('links section', () => {
beforeEach(() => {
createShallowWrapper({ hasMetrics: true });
setupStoreWithData(store);
setupStoreWithLinks(store);
return wrapper.vm.$nextTick();
});
it('shows the links section', () => {
expect(wrapper.vm.shouldShowLinksSection).toBe(true);
expect(wrapper.find(LinksSection)).toExist();
});
});
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describe('single panel expands to "full screen" mode', () => {
const findExpandedPanel = () => wrapper.find({ ref: 'expandedPanel' });
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describe('when the panel is not expanded', () => {
beforeEach(() => {
createShallowWrapper({ hasMetrics: true });
setupStoreWithData(store);
return wrapper.vm.$nextTick();
});
it('expanded panel is not visible', () => {
expect(findExpandedPanel().isVisible()).toBe(false);
});
it('can set a panel as expanded', () => {
const panel = wrapper.findAll(DashboardPanel).at(1);
jest.spyOn(store, 'dispatch');
panel.vm.$emit('expand');
const groupData = metricsDashboardViewModel.panelGroups[0];
expect(store.dispatch).toHaveBeenCalledWith('monitoringDashboard/setExpandedPanel', {
group: groupData.group,
panel: expect.objectContaining({
id: groupData.panels[0].id,
}),
});
});
});
describe('when the panel is expanded', () => {
let group;
let panel;
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const mockKeyup = (key) => window.dispatchEvent(new KeyboardEvent('keyup', { key }));
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const MockPanel = {
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template: `<div><slot name="top-left"/></div>`,
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};
beforeEach(() => {
createShallowWrapper({ hasMetrics: true }, { stubs: { DashboardPanel: MockPanel } });
setupStoreWithData(store);
const { panelGroups } = store.state.monitoringDashboard.dashboard;
group = panelGroups[0].group;
[panel] = panelGroups[0].panels;
store.commit(`monitoringDashboard/${types.SET_EXPANDED_PANEL}`, {
group,
panel,
});
jest.spyOn(store, 'dispatch');
return wrapper.vm.$nextTick();
});
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it('displays a single panel and others are hidden', () => {
const panels = wrapper.findAll(MockPanel);
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const visiblePanels = panels.filter((w) => w.isVisible());
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expect(findExpandedPanel().isVisible()).toBe(true);
// v-show for hiding panels is more performant than v-if
// check for panels to be hidden.
expect(panels.length).toBe(metricsDashboardPanelCount + 1);
expect(visiblePanels.length).toBe(1);
});
it('sets a link to the expanded panel', () => {
const searchQuery =
'?dashboard=config%2Fprometheus%2Fcommon_metrics.yml&group=System%20metrics%20(Kubernetes)&title=Memory%20Usage%20(Total)&y_label=Total%20Memory%20Used%20(GB)';
expect(findExpandedPanel().attributes('clipboard-text')).toEqual(
expect.stringContaining(searchQuery),
);
});
it('restores full dashboard by clicking `back`', () => {
wrapper.find({ ref: 'goBackBtn' }).vm.$emit('click');
expect(store.dispatch).toHaveBeenCalledWith(
'monitoringDashboard/clearExpandedPanel',
undefined,
);
});
it('restores dashboard from full screen by typing the Escape key', () => {
mockKeyup(ESC_KEY);
expect(store.dispatch).toHaveBeenCalledWith(
`monitoringDashboard/clearExpandedPanel`,
undefined,
);
});
});
});
describe('when one of the metrics is missing', () => {
beforeEach(() => {
createShallowWrapper({ hasMetrics: true });
setupStoreWithDashboard(store);
setMetricResult({ store, result: [], panel: 2 });
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return wrapper.vm.$nextTick();
});
it('shows a group empty area', () => {
const emptyGroup = wrapper.findAll({ ref: 'empty-group' });
expect(emptyGroup).toHaveLength(1);
expect(emptyGroup.is(GroupEmptyState)).toBe(true);
});
it('group empty area displays a NO_DATA state', () => {
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expect(wrapper.findAll({ ref: 'empty-group' }).at(0).props('selectedState')).toEqual(
metricStates.NO_DATA,
);
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});
});
describe('drag and drop function', () => {
const findDraggables = () => wrapper.findAll(VueDraggable);
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const findEnabledDraggables = () => findDraggables().filter((f) => !f.attributes('disabled'));
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const findDraggablePanels = () => wrapper.findAll('.js-draggable-panel');
const findRearrangeButton = () => wrapper.find('.js-rearrange-button');
beforeEach(() => {
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// call original dispatch
store.dispatch.mockRestore();
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createShallowWrapper({ hasMetrics: true });
setupStoreWithData(store);
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return wrapper.vm.$nextTick();
});
it('wraps vuedraggable', () => {
expect(findDraggablePanels().exists()).toBe(true);
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expect(findDraggablePanels().length).toEqual(metricsDashboardPanelCount);
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});
it('is disabled by default', () => {
expect(findRearrangeButton().exists()).toBe(false);
expect(findEnabledDraggables().length).toBe(0);
});
describe('when rearrange is enabled', () => {
beforeEach(() => {
wrapper.setProps({ rearrangePanelsAvailable: true });
return wrapper.vm.$nextTick();
});
it('displays rearrange button', () => {
expect(findRearrangeButton().exists()).toBe(true);
});
describe('when rearrange button is clicked', () => {
const findFirstDraggableRemoveButton = () =>
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findDraggablePanels().at(0).find('.js-draggable-remove');
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beforeEach(() => {
findRearrangeButton().vm.$emit('click');
return wrapper.vm.$nextTick();
});
it('it enables draggables', () => {
expect(findRearrangeButton().attributes('pressed')).toBeTruthy();
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expect(findEnabledDraggables().wrappers).toEqual(findDraggables().wrappers);
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});
it('metrics can be swapped', () => {
const firstDraggable = findDraggables().at(0);
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const mockMetrics = [...metricsDashboardViewModel.panelGroups[0].panels];
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const firstTitle = mockMetrics[0].title;
const secondTitle = mockMetrics[1].title;
// swap two elements and `input` them
[mockMetrics[0], mockMetrics[1]] = [mockMetrics[1], mockMetrics[0]];
firstDraggable.vm.$emit('input', mockMetrics);
return wrapper.vm.$nextTick(() => {
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const { panels } = wrapper.vm.dashboard.panelGroups[0];
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expect(panels[1].title).toEqual(firstTitle);
expect(panels[0].title).toEqual(secondTitle);
});
});
it('shows a remove button, which removes a panel', () => {
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expect(findFirstDraggableRemoveButton().find('a').exists()).toBe(true);
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expect(findDraggablePanels().length).toEqual(metricsDashboardPanelCount);
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findFirstDraggableRemoveButton().trigger('click');
return wrapper.vm.$nextTick(() => {
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expect(findDraggablePanels().length).toEqual(metricsDashboardPanelCount - 1);
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});
});
it('it disables draggables when clicked again', () => {
findRearrangeButton().vm.$emit('click');
return wrapper.vm.$nextTick(() => {
expect(findRearrangeButton().attributes('pressed')).toBeFalsy();
expect(findEnabledDraggables().length).toBe(0);
});
});
});
});
});
describe('cluster health', () => {
beforeEach(() => {
createShallowWrapper({ hasMetrics: true, showHeader: false });
// all_dashboards is not defined in health dashboards
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store.commit(`monitoringDashboard/${types.SET_ALL_DASHBOARDS}`, undefined);
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return wrapper.vm.$nextTick();
});
it('hides dashboard header by default', () => {
expect(wrapper.find({ ref: 'prometheusGraphsHeader' }).exists()).toEqual(false);
});
it('renders correctly', () => {
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expect(wrapper.html()).not.toBe('');
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});
});
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describe('document title', () => {
const originalTitle = 'Original Title';
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const overviewDashboardName = dashboardGitResponse[0].display_name;
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beforeEach(() => {
document.title = originalTitle;
createShallowWrapper({ hasMetrics: true });
});
afterAll(() => {
document.title = '';
});
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it('is prepended with the overview dashboard name by default', () => {
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setupAllDashboards(store);
return wrapper.vm.$nextTick().then(() => {
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expect(document.title.startsWith(`${overviewDashboardName} · `)).toBe(true);
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});
});
it('is prepended with dashboard name if path is known', () => {
const dashboard = dashboardGitResponse[1];
const currentDashboard = dashboard.path;
setupAllDashboards(store, currentDashboard);
return wrapper.vm.$nextTick().then(() => {
expect(document.title.startsWith(`${dashboard.display_name} · `)).toBe(true);
});
});
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it('is prepended with the overview dashboard name if path is not known', () => {
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setupAllDashboards(store, 'unknown/path');
return wrapper.vm.$nextTick().then(() => {
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expect(document.title.startsWith(`${overviewDashboardName} · `)).toBe(true);
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});
});
it('is not modified when dashboard name is not provided', () => {
const dashboard = { ...dashboardGitResponse[1], display_name: null };
const currentDashboard = dashboard.path;
store.commit(`monitoringDashboard/${types.SET_ALL_DASHBOARDS}`, [dashboard]);
store.commit(`monitoringDashboard/${types.SET_INITIAL_STATE}`, {
currentDashboard,
});
return wrapper.vm.$nextTick().then(() => {
expect(document.title).toBe(originalTitle);
});
});
});
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describe('Clipboard text in panels', () => {
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const currentDashboard = dashboardGitResponse[1].path;
const panelIndex = 1; // skip expanded panel
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const getClipboardTextFirstPanel = () =>
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wrapper.findAll(DashboardPanel).at(panelIndex).props('clipboardText');
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beforeEach(() => {
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setupStoreWithData(store);
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store.commit(`monitoringDashboard/${types.SET_INITIAL_STATE}`, {
currentDashboard,
});
createShallowWrapper({ hasMetrics: true });
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return wrapper.vm.$nextTick();
});
it('contains a link to the dashboard', () => {
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const dashboardParam = `dashboard=${encodeURIComponent(currentDashboard)}`;
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expect(getClipboardTextFirstPanel()).toContain(dashboardParam);
expect(getClipboardTextFirstPanel()).toContain(`group=`);
expect(getClipboardTextFirstPanel()).toContain(`title=`);
expect(getClipboardTextFirstPanel()).toContain(`y_label=`);
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});
});
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describe('keyboard shortcuts', () => {
const currentDashboard = dashboardGitResponse[1].path;
const panelRef = 'dashboard-panel-response-metrics-aws-elb-4-1'; // skip expanded panel
// While the recommendation in the documentation is to test
// with a data-testid attribute, I want to make sure that
// the dashboard panels have a ref attribute set.
const getDashboardPanel = () => wrapper.find({ ref: panelRef });
beforeEach(() => {
setupStoreWithData(store);
store.commit(`monitoringDashboard/${types.SET_INITIAL_STATE}`, {
currentDashboard,
});
createShallowWrapper({ hasMetrics: true });
wrapper.setData({ hoveredPanel: panelRef });
return wrapper.vm.$nextTick();
});
it('contains a ref attribute inside a DashboardPanel component', () => {
const dashboardPanel = getDashboardPanel();
expect(dashboardPanel.exists()).toBe(true);
});
});
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});