121 lines
3.8 KiB
JavaScript
121 lines
3.8 KiB
JavaScript
import VueApollo from 'vue-apollo';
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import { mount, shallowMount, createLocalVue } from '@vue/test-utils';
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import createMockApollo from 'jest/helpers/mock_apollo_helper';
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import PipelineGraph from '~/pipelines/components/graph/graph_component.vue';
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import LinkedPipelinesColumn from '~/pipelines/components/graph/linked_pipelines_column.vue';
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import LinkedPipeline from '~/pipelines/components/graph/linked_pipeline.vue';
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import getPipelineDetails from '~/pipelines/graphql/queries/get_pipeline_details.query.graphql';
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import { DOWNSTREAM, GRAPHQL } from '~/pipelines/components/graph/constants';
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import { LOAD_FAILURE } from '~/pipelines/constants';
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import {
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mockPipelineResponse,
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pipelineWithUpstreamDownstream,
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wrappedPipelineReturn,
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} from './mock_data';
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const processedPipeline = pipelineWithUpstreamDownstream(mockPipelineResponse);
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describe('Linked Pipelines Column', () => {
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const defaultProps = {
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columnTitle: 'Upstream',
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linkedPipelines: processedPipeline.downstream,
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type: DOWNSTREAM,
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};
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let wrapper;
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const findLinkedColumnTitle = () => wrapper.find('[data-testid="linked-column-title"]');
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const findLinkedPipelineElements = () => wrapper.findAll(LinkedPipeline);
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const findPipelineGraph = () => wrapper.find(PipelineGraph);
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const findExpandButton = () => wrapper.find('[data-testid="expand-pipeline-button"]');
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const localVue = createLocalVue();
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localVue.use(VueApollo);
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const createComponent = ({ apolloProvider, mountFn = shallowMount, props = {} } = {}) => {
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wrapper = mountFn(LinkedPipelinesColumn, {
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apolloProvider,
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localVue,
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propsData: {
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...defaultProps,
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...props,
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},
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provide: {
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dataMethod: GRAPHQL,
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},
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});
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};
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const createComponentWithApollo = (
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mountFn = shallowMount,
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getPipelineDetailsHandler = jest.fn().mockResolvedValue(wrappedPipelineReturn),
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) => {
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const requestHandlers = [[getPipelineDetails, getPipelineDetailsHandler]];
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const apolloProvider = createMockApollo(requestHandlers);
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createComponent({ apolloProvider, mountFn });
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};
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afterEach(() => {
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wrapper.destroy();
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wrapper = null;
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});
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describe('it renders correctly', () => {
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beforeEach(() => {
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createComponent();
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});
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it('renders the pipeline title', () => {
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expect(findLinkedColumnTitle().text()).toBe(defaultProps.columnTitle);
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});
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it('renders the correct number of linked pipelines', () => {
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expect(findLinkedPipelineElements()).toHaveLength(defaultProps.linkedPipelines.length);
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});
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});
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describe('click action', () => {
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const clickExpandButton = async () => {
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await findExpandButton().trigger('click');
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await wrapper.vm.$nextTick();
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};
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const clickExpandButtonAndAwaitTimers = async () => {
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await clickExpandButton();
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jest.runOnlyPendingTimers();
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await wrapper.vm.$nextTick();
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};
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describe('when successful', () => {
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beforeEach(() => {
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createComponentWithApollo(mount);
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});
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it('toggles the pipeline visibility', async () => {
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expect(findPipelineGraph().exists()).toBe(false);
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await clickExpandButtonAndAwaitTimers();
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expect(findPipelineGraph().exists()).toBe(true);
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await clickExpandButton();
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expect(findPipelineGraph().exists()).toBe(false);
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});
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});
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describe('on error', () => {
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beforeEach(() => {
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createComponentWithApollo(mount, jest.fn().mockRejectedValue(new Error('GraphQL error')));
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});
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it('emits the error', async () => {
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await clickExpandButton();
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expect(wrapper.emitted().error).toEqual([[LOAD_FAILURE]]);
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});
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it('does not show the pipeline', async () => {
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expect(findPipelineGraph().exists()).toBe(false);
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await clickExpandButtonAndAwaitTimers();
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expect(findPipelineGraph().exists()).toBe(false);
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});
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});
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});
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});
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