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import Vue from 'vue';
import VueApollo from 'vue-apollo';
import { GlLoadingIcon } from '@gitlab/ui';
import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
import CiResourceReadme from '~/ci/catalog/components/details/ci_resource_readme.vue';
import getCiCatalogResourceReadme from '~/ci/catalog/graphql/queries/get_ci_catalog_resource_readme.query.graphql';
import createMockApollo from 'helpers/mock_apollo_helper';
import waitForPromises from 'helpers/wait_for_promises';
import { createAlert } from '~/alert';
jest.mock('~/alert');
Vue.use(VueApollo);
const readmeHtml = '<h1>This is a readme file</h1>';
const resourceId = 'gid://gitlab/Ci::Catalog::Resource/1';
describe('CiResourceReadme', () => {
let wrapper;
let mockReadmeResponse;
const readmeMockData = {
data: {
ciCatalogResource: {
id: resourceId,
readmeHtml,
},
},
};
const defaultProps = { resourceId };
const createComponent = ({ props = {} } = {}) => {
const handlers = [[getCiCatalogResourceReadme, mockReadmeResponse]];
wrapper = shallowMountExtended(CiResourceReadme, {
propsData: {
...defaultProps,
...props,
},
apolloProvider: createMockApollo(handlers),
});
};
const findLoadingIcon = () => wrapper.findComponent(GlLoadingIcon);
beforeEach(() => {
mockReadmeResponse = jest.fn();
});
describe('when loading', () => {
beforeEach(() => {
mockReadmeResponse.mockResolvedValue(readmeMockData);
createComponent();
});
it('renders only a loading icon', () => {
expect(findLoadingIcon().exists()).toBe(true);
expect(wrapper.html()).not.toContain(readmeHtml);
});
});
describe('when mounted', () => {
beforeEach(async () => {
mockReadmeResponse.mockResolvedValue(readmeMockData);
createComponent();
await waitForPromises();
});
it('renders only the received HTML', () => {
expect(findLoadingIcon().exists()).toBe(false);
expect(wrapper.html()).toContain(readmeHtml);
});
it('does not render an error', () => {
expect(createAlert).not.toHaveBeenCalled();
});
});
describe('when there is an error loading the readme', () => {
beforeEach(async () => {
mockReadmeResponse.mockRejectedValue({ errors: [] });
createComponent();
await waitForPromises();
});
it('calls the createAlert function to show an error', () => {
expect(createAlert).toHaveBeenCalled();
expect(createAlert).toHaveBeenCalledWith({
message: "There was a problem loading this project's readme content.",
});
});
});
});
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