diff options
Diffstat (limited to 'spec/frontend/analytics/instance_statistics/components/pipelines_chart_spec.js')
-rw-r--r-- | spec/frontend/analytics/instance_statistics/components/pipelines_chart_spec.js | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/spec/frontend/analytics/instance_statistics/components/pipelines_chart_spec.js b/spec/frontend/analytics/instance_statistics/components/pipelines_chart_spec.js new file mode 100644 index 00000000000..a06d66f783e --- /dev/null +++ b/spec/frontend/analytics/instance_statistics/components/pipelines_chart_spec.js @@ -0,0 +1,189 @@ +import { createLocalVue, shallowMount } from '@vue/test-utils'; +import { GlLineChart } from '@gitlab/ui/dist/charts'; +import { GlAlert } from '@gitlab/ui'; +import VueApollo from 'vue-apollo'; +import createMockApollo from 'jest/helpers/mock_apollo_helper'; +import PipelinesChart from '~/analytics/instance_statistics/components/pipelines_chart.vue'; +import pipelinesStatsQuery from '~/analytics/instance_statistics/graphql/queries/pipeline_stats.query.graphql'; +import ChartSkeletonLoader from '~/vue_shared/components/resizable_chart/skeleton_loader.vue'; +import { mockCountsData1, mockCountsData2 } from '../mock_data'; +import { getApolloResponse } from '../apollo_mock_data'; + +const localVue = createLocalVue(); +localVue.use(VueApollo); + +describe('PipelinesChart', () => { + let wrapper; + let queryHandler; + + const createApolloProvider = pipelineStatsHandler => { + return createMockApollo([[pipelinesStatsQuery, pipelineStatsHandler]]); + }; + + const createComponent = apolloProvider => { + return shallowMount(PipelinesChart, { + localVue, + apolloProvider, + }); + }; + + afterEach(() => { + wrapper.destroy(); + wrapper = null; + }); + + const findLoader = () => wrapper.find(ChartSkeletonLoader); + const findChart = () => wrapper.find(GlLineChart); + const findAlert = () => wrapper.find(GlAlert); + + describe('while loading', () => { + beforeEach(() => { + queryHandler = jest.fn().mockReturnValue(new Promise(() => {})); + const apolloProvider = createApolloProvider(queryHandler); + wrapper = createComponent(apolloProvider); + }); + + it('requests data', () => { + expect(queryHandler).toBeCalledTimes(1); + }); + + it('displays the skeleton loader', () => { + expect(findLoader().exists()).toBe(true); + }); + + it('hides the chart', () => { + expect(findChart().exists()).toBe(false); + }); + + it('does not show an error', () => { + expect(findAlert().exists()).toBe(false); + }); + }); + + describe('without data', () => { + beforeEach(() => { + const emptyResponse = getApolloResponse(); + queryHandler = jest.fn().mockResolvedValue(emptyResponse); + const apolloProvider = createApolloProvider(queryHandler); + wrapper = createComponent(apolloProvider); + }); + + it('renders an no data message', () => { + expect(findAlert().text()).toBe('There is no data available.'); + }); + + it('hides the skeleton loader', () => { + expect(findLoader().exists()).toBe(false); + }); + + it('renders the chart', () => { + expect(findChart().exists()).toBe(false); + }); + }); + + describe('with data', () => { + beforeEach(() => { + const response = getApolloResponse({ + pipelinesTotal: mockCountsData1, + pipelinesSucceeded: mockCountsData2, + pipelinesFailed: mockCountsData2, + pipelinesCanceled: mockCountsData1, + pipelinesSkipped: mockCountsData1, + }); + queryHandler = jest.fn().mockResolvedValue(response); + const apolloProvider = createApolloProvider(queryHandler); + wrapper = createComponent(apolloProvider); + }); + + it('requests data', () => { + expect(queryHandler).toBeCalledTimes(1); + }); + + it('hides the skeleton loader', () => { + expect(findLoader().exists()).toBe(false); + }); + + it('renders the chart', () => { + expect(findChart().exists()).toBe(true); + }); + + it('passes the data to the line chart', () => { + expect(findChart().props('data')).toMatchSnapshot(); + }); + + it('does not show an error', () => { + expect(findAlert().exists()).toBe(false); + }); + }); + + describe('when fetching more data', () => { + const recordedAt = '2020-08-01'; + describe('when the fetchMore query returns data', () => { + beforeEach(async () => { + const newData = { recordedAt, count: 5 }; + const firstResponse = getApolloResponse({ + pipelinesTotal: mockCountsData2, + pipelinesSucceeded: mockCountsData2, + pipelinesFailed: mockCountsData1, + pipelinesCanceled: mockCountsData2, + pipelinesSkipped: mockCountsData2, + hasNextPage: true, + }); + const secondResponse = getApolloResponse({ + pipelinesTotal: [newData], + pipelinesSucceeded: [newData], + pipelinesFailed: [newData], + pipelinesCanceled: [newData], + pipelinesSkipped: [newData], + hasNextPage: false, + }); + queryHandler = jest + .fn() + .mockResolvedValueOnce(firstResponse) + .mockResolvedValueOnce(secondResponse); + const apolloProvider = createApolloProvider(queryHandler); + wrapper = createComponent(apolloProvider); + + await wrapper.vm.$nextTick(); + }); + + it('requests data twice', () => { + expect(queryHandler).toBeCalledTimes(2); + }); + + it('passes the data to the line chart', () => { + expect(findChart().props('data')).toMatchSnapshot(); + }); + }); + + describe('when the fetchMore query throws an error', () => { + beforeEach(async () => { + const response = getApolloResponse({ + pipelinesTotal: mockCountsData2, + pipelinesSucceeded: mockCountsData2, + pipelinesFailed: mockCountsData1, + pipelinesCanceled: mockCountsData2, + pipelinesSkipped: mockCountsData2, + hasNextPage: true, + }); + queryHandler = jest.fn().mockResolvedValue(response); + const apolloProvider = createApolloProvider(queryHandler); + wrapper = createComponent(apolloProvider); + jest + .spyOn(wrapper.vm.$apollo.queries.pipelineStats, 'fetchMore') + .mockImplementation(jest.fn().mockRejectedValue()); + await wrapper.vm.$nextTick(); + }); + + it('calls fetchMore', () => { + expect(wrapper.vm.$apollo.queries.pipelineStats.fetchMore).toHaveBeenCalledTimes(1); + }); + + it('show an error message', () => { + expect(findAlert().text()).toBe( + 'Could not load the pipelines chart. Please refresh the page to try again.', + ); + }); + }); + }); +}); |