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