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import { shallowMount } from '@vue/test-utils';
import Vue from 'vue';
import VueApollo from 'vue-apollo';
import createMockApollo from 'helpers/mock_apollo_helper';
import waitForPromises from 'helpers/wait_for_promises';
import PipelineEditorMiniGraph from '~/ci/pipeline_editor/components/header/pipeline_editor_mini_graph.vue';
import PipelineMiniGraph from '~/pipelines/components/pipeline_mini_graph/pipeline_mini_graph.vue';
import getLinkedPipelinesQuery from '~/projects/commit_box/info/graphql/queries/get_linked_pipelines.query.graphql';
import { PIPELINE_FAILURE } from '~/ci/pipeline_editor/constants';
import { mockLinkedPipelines, mockProjectFullPath, mockProjectPipeline } from '../../mock_data';
Vue.use(VueApollo);
describe('Pipeline Status', () => {
let wrapper;
let mockApollo;
let mockLinkedPipelinesQuery;
const createComponent = ({ hasStages = true, options } = {}) => {
wrapper = shallowMount(PipelineEditorMiniGraph, {
provide: {
dataMethod: 'graphql',
projectFullPath: mockProjectFullPath,
},
propsData: {
pipeline: mockProjectPipeline({ hasStages }).pipeline,
},
...options,
});
};
const createComponentWithApollo = (hasStages = true) => {
const handlers = [[getLinkedPipelinesQuery, mockLinkedPipelinesQuery]];
mockApollo = createMockApollo(handlers);
createComponent({
hasStages,
options: {
apolloProvider: mockApollo,
},
});
};
const findPipelineMiniGraph = () => wrapper.findComponent(PipelineMiniGraph);
beforeEach(() => {
mockLinkedPipelinesQuery = jest.fn();
});
afterEach(() => {
mockLinkedPipelinesQuery.mockReset();
wrapper.destroy();
});
describe('when there are stages', () => {
beforeEach(() => {
createComponent();
});
it('renders pipeline mini graph', () => {
expect(findPipelineMiniGraph().exists()).toBe(true);
});
});
describe('when there are no stages', () => {
beforeEach(() => {
createComponent({ hasStages: false });
});
it('does not render pipeline mini graph', () => {
expect(findPipelineMiniGraph().exists()).toBe(false);
});
});
describe('when querying upstream and downstream pipelines', () => {
describe('when query succeeds', () => {
beforeEach(() => {
mockLinkedPipelinesQuery.mockResolvedValue(mockLinkedPipelines());
createComponentWithApollo();
});
it('should call the query with the correct variables', () => {
expect(mockLinkedPipelinesQuery).toHaveBeenCalledTimes(1);
expect(mockLinkedPipelinesQuery).toHaveBeenCalledWith({
fullPath: mockProjectFullPath,
iid: mockProjectPipeline().pipeline.iid,
});
});
});
describe('when query fails', () => {
beforeEach(async () => {
mockLinkedPipelinesQuery.mockRejectedValue(new Error());
createComponentWithApollo();
await waitForPromises();
});
it('should emit an error event when query fails', async () => {
expect(wrapper.emitted('showError')).toHaveLength(1);
expect(wrapper.emitted('showError')[0]).toEqual([
{
type: PIPELINE_FAILURE,
reasons: [wrapper.vm.$options.i18n.linkedPipelinesFetchError],
},
]);
});
});
});
});
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