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import { mount, shallowMount } from '@vue/test-utils';
import MockAdapter from 'axios-mock-adapter';
import axios from '~/lib/utils/axios_utils';
import waitForPromises from 'helpers/wait_for_promises';
import { GlAlert, GlEmptyState } from '@gitlab/ui';
import Dag from '~/pipelines/components/dag/dag.vue';
import DagGraph from '~/pipelines/components/dag/dag_graph.vue';
import DagAnnotations from '~/pipelines/components/dag/dag_annotations.vue';
import {
ADD_NOTE,
REMOVE_NOTE,
REPLACE_NOTES,
DEFAULT,
PARSE_FAILURE,
LOAD_FAILURE,
UNSUPPORTED_DATA,
} from '~/pipelines/components/dag//constants';
import {
mockBaseData,
tooSmallGraph,
unparseableGraph,
graphWithoutDependencies,
singleNote,
multiNote,
} from './mock_data';
describe('Pipeline DAG graph wrapper', () => {
let wrapper;
let mock;
const getAlert = () => wrapper.find(GlAlert);
const getAllAlerts = () => wrapper.findAll(GlAlert);
const getGraph = () => wrapper.find(DagGraph);
const getNotes = () => wrapper.find(DagAnnotations);
const getErrorText = type => wrapper.vm.$options.errorTexts[type];
const getEmptyState = () => wrapper.find(GlEmptyState);
const dataPath = '/root/test/pipelines/90/dag.json';
const createComponent = (propsData = {}, method = shallowMount) => {
if (wrapper?.destroy) {
wrapper.destroy();
}
wrapper = method(Dag, {
propsData: {
emptySvgPath: '/my-svg',
dagDocPath: '/my-doc',
...propsData,
},
data() {
return {
showFailureAlert: false,
};
},
});
};
beforeEach(() => {
mock = new MockAdapter(axios);
});
afterEach(() => {
mock.restore();
wrapper.destroy();
wrapper = null;
});
describe('when there is no dataUrl', () => {
beforeEach(() => {
createComponent({ graphUrl: undefined });
});
it('shows the DEFAULT alert and not the graph', () => {
expect(getAlert().exists()).toBe(true);
expect(getAlert().text()).toBe(getErrorText(DEFAULT));
expect(getGraph().exists()).toBe(false);
});
it('does not render the empty state', () => {
expect(getEmptyState().exists()).toBe(false);
});
});
describe('when there is a dataUrl', () => {
describe('but the data fetch fails', () => {
beforeEach(async () => {
mock.onGet(dataPath).replyOnce(500);
createComponent({ graphUrl: dataPath });
await wrapper.vm.$nextTick();
return waitForPromises();
});
it('shows the LOAD_FAILURE alert and not the graph', () => {
expect(getAlert().exists()).toBe(true);
expect(getAlert().text()).toBe(getErrorText(LOAD_FAILURE));
expect(getGraph().exists()).toBe(false);
});
it('does not render the empty state', () => {
expect(getEmptyState().exists()).toBe(false);
});
});
describe('the data fetch succeeds but the parse fails', () => {
beforeEach(async () => {
mock.onGet(dataPath).replyOnce(200, unparseableGraph);
createComponent({ graphUrl: dataPath });
await wrapper.vm.$nextTick();
return waitForPromises();
});
it('shows the PARSE_FAILURE alert and not the graph', () => {
expect(getAlert().exists()).toBe(true);
expect(getAlert().text()).toBe(getErrorText(PARSE_FAILURE));
expect(getGraph().exists()).toBe(false);
});
it('does not render the empty state', () => {
expect(getEmptyState().exists()).toBe(false);
});
});
describe('and the data fetch and parse succeeds', () => {
beforeEach(async () => {
mock.onGet(dataPath).replyOnce(200, mockBaseData);
createComponent({ graphUrl: dataPath }, mount);
await wrapper.vm.$nextTick();
return waitForPromises();
});
it('shows the graph and the beta alert', () => {
expect(getAllAlerts().length).toBe(1);
expect(getAlert().text()).toContain('This feature is currently in beta.');
expect(getGraph().exists()).toBe(true);
});
it('does not render the empty state', () => {
expect(getEmptyState().exists()).toBe(false);
});
});
describe('the data fetch and parse succeeds, but the resulting graph is too small', () => {
beforeEach(async () => {
mock.onGet(dataPath).replyOnce(200, tooSmallGraph);
createComponent({ graphUrl: dataPath });
await wrapper.vm.$nextTick();
return waitForPromises();
});
it('shows the UNSUPPORTED_DATA alert and not the graph', () => {
expect(getAlert().exists()).toBe(true);
expect(getAlert().text()).toBe(getErrorText(UNSUPPORTED_DATA));
expect(getGraph().exists()).toBe(false);
});
it('does not show the empty dag graph state', () => {
expect(getEmptyState().exists()).toBe(false);
});
});
describe('the data fetch succeeds but the returned data is empty', () => {
beforeEach(async () => {
mock.onGet(dataPath).replyOnce(200, graphWithoutDependencies);
createComponent({ graphUrl: dataPath }, mount);
await wrapper.vm.$nextTick();
return waitForPromises();
});
it('does not render an error alert or the graph', () => {
expect(getAllAlerts().length).toBe(1);
expect(getAlert().text()).toContain('This feature is currently in beta.');
expect(getGraph().exists()).toBe(false);
});
it('shows the empty dag graph state', () => {
expect(getEmptyState().exists()).toBe(true);
});
});
});
describe('annotations', () => {
beforeEach(async () => {
mock.onGet(dataPath).replyOnce(200, mockBaseData);
createComponent({ graphUrl: dataPath }, mount);
await wrapper.vm.$nextTick();
return waitForPromises();
});
it('toggles on link mouseover and mouseout', async () => {
const currentNote = singleNote['dag-link103'];
expect(getNotes().exists()).toBe(false);
getGraph().vm.$emit('update-annotation', { type: ADD_NOTE, data: currentNote });
await wrapper.vm.$nextTick();
expect(getNotes().exists()).toBe(true);
getGraph().vm.$emit('update-annotation', { type: REMOVE_NOTE, data: currentNote });
await wrapper.vm.$nextTick();
expect(getNotes().exists()).toBe(false);
});
it('toggles on node and link click', async () => {
expect(getNotes().exists()).toBe(false);
getGraph().vm.$emit('update-annotation', { type: REPLACE_NOTES, data: multiNote });
await wrapper.vm.$nextTick();
expect(getNotes().exists()).toBe(true);
getGraph().vm.$emit('update-annotation', { type: REPLACE_NOTES, data: {} });
await wrapper.vm.$nextTick();
expect(getNotes().exists()).toBe(false);
});
});
});
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