debian-mirror-gitlab/spec/frontend/vue_shared/components/ensure_data_spec.js

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2021-04-29 21:17:54 +05:30
import { GlEmptyState } from '@gitlab/ui';
import * as Sentry from '@sentry/browser';
import { mount } from '@vue/test-utils';
import ensureData from '~/ensure_data';
const mockData = { message: 'Hello there' };
const defaultOptions = {
parseData: () => mockData,
data: mockData,
};
const MockChildComponent = {
inject: ['message'],
render(createElement) {
return createElement('h1', this.message);
},
};
const MockParentComponent = {
components: {
MockChildComponent,
},
props: {
message: {
type: String,
required: true,
},
otherProp: {
type: Boolean,
default: false,
required: false,
},
},
render(createElement) {
return createElement('div', [this.message, createElement(MockChildComponent)]);
},
};
describe('EnsureData', () => {
let wrapper;
function findEmptyState() {
return wrapper.findComponent(GlEmptyState);
}
function findChild() {
return wrapper.findComponent(MockChildComponent);
}
function findParent() {
return wrapper.findComponent(MockParentComponent);
}
function createComponent(options = defaultOptions) {
return mount(ensureData(MockParentComponent, options));
}
beforeEach(() => {
Sentry.captureException = jest.fn();
});
afterEach(() => {
wrapper.destroy();
Sentry.captureException.mockClear();
});
describe('when parseData throws', () => {
it('should render GlEmptyState', () => {
wrapper = createComponent({
parseData: () => {
throw new Error();
},
});
expect(findParent().exists()).toBe(false);
expect(findChild().exists()).toBe(false);
expect(findEmptyState().exists()).toBe(true);
});
it('should not log to Sentry when shouldLog=false (default)', () => {
wrapper = createComponent({
parseData: () => {
throw new Error();
},
});
expect(Sentry.captureException).not.toHaveBeenCalled();
});
it('should log to Sentry when shouldLog=true', () => {
const error = new Error('Error!');
wrapper = createComponent({
parseData: () => {
throw error;
},
shouldLog: true,
});
expect(Sentry.captureException).toHaveBeenCalledWith(error);
});
});
describe('when parseData succeeds', () => {
it('should render MockParentComponent and MockChildComponent', () => {
wrapper = createComponent();
expect(findEmptyState().exists()).toBe(false);
expect(findParent().exists()).toBe(true);
expect(findChild().exists()).toBe(true);
});
it('enables user to provide data to child components', () => {
wrapper = createComponent();
const childComponent = findChild();
expect(childComponent.text()).toBe(mockData.message);
});
it('enables user to override provide data', () => {
const message = 'Another message';
wrapper = createComponent({ ...defaultOptions, provide: { message } });
const childComponent = findChild();
expect(childComponent.text()).toBe(message);
});
it('enables user to pass props to parent component', () => {
wrapper = createComponent();
expect(findParent().props()).toMatchObject(mockData);
});
it('enables user to override props data', () => {
const props = { message: 'Another message', otherProp: true };
wrapper = createComponent({ ...defaultOptions, props });
expect(findParent().props()).toMatchObject(props);
});
it('should not log to Sentry when shouldLog=true', () => {
wrapper = createComponent({ ...defaultOptions, shouldLog: true });
expect(Sentry.captureException).not.toHaveBeenCalled();
});
});
});