debian-mirror-gitlab/spec/frontend/blob/components/blob_header_spec.js

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import { shallowMount, mount } from '@vue/test-utils';
import BlobHeader from '~/blob/components/blob_header.vue';
import ViewerSwitcher from '~/blob/components/blob_header_viewer_switcher.vue';
import DefaultActions from '~/blob/components/blob_header_default_actions.vue';
import BlobFilepath from '~/blob/components/blob_header_filepath.vue';
import { Blob } from './mock_data';
describe('Blob Header Default Actions', () => {
let wrapper;
function createComponent(blobProps = {}, options = {}, propsData = {}, shouldMount = false) {
const method = shouldMount ? mount : shallowMount;
wrapper = method.call(this, BlobHeader, {
propsData: {
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blob: { ...Blob, ...blobProps },
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...propsData,
},
...options,
});
}
afterEach(() => {
wrapper.destroy();
});
describe('rendering', () => {
const slots = {
prepend: 'Foo Prepend',
actions: 'Actions Bar',
};
it('matches the snapshot', () => {
createComponent();
expect(wrapper.element).toMatchSnapshot();
});
it('renders all components', () => {
createComponent();
expect(wrapper.find(ViewerSwitcher).exists()).toBe(true);
expect(wrapper.find(DefaultActions).exists()).toBe(true);
expect(wrapper.find(BlobFilepath).exists()).toBe(true);
});
it('does not render viewer switcher if the blob has only the simple viewer', () => {
createComponent({
richViewer: null,
});
expect(wrapper.find(ViewerSwitcher).exists()).toBe(false);
});
it('does not render viewer switcher if a corresponding prop is passed', () => {
createComponent(
{},
{},
{
hideViewerSwitcher: true,
},
);
expect(wrapper.find(ViewerSwitcher).exists()).toBe(false);
});
it('does not render default actions is corresponding prop is passed', () => {
createComponent(
{},
{},
{
hideDefaultActions: true,
},
);
expect(wrapper.find(DefaultActions).exists()).toBe(false);
});
Object.keys(slots).forEach(slot => {
it('renders the slots', () => {
const slotContent = slots[slot];
createComponent(
{},
{
scopedSlots: {
[slot]: `<span>${slotContent}</span>`,
},
},
{},
true,
);
expect(wrapper.text()).toContain(slotContent);
});
});
});
describe('functionality', () => {
const newViewer = 'Foo Bar';
const activeViewerType = 'Alpha Beta';
const factory = (hideViewerSwitcher = false) => {
createComponent(
{},
{},
{
activeViewerType,
hideViewerSwitcher,
},
);
};
it('by default sets viewer data based on activeViewerType', () => {
factory();
expect(wrapper.vm.viewer).toBe(activeViewerType);
});
it('sets viewer to null if the viewer switcher should be hidden', () => {
factory(true);
expect(wrapper.vm.viewer).toBe(null);
});
it('watches the changes in viewer data and emits event when the change is registered', () => {
factory();
jest.spyOn(wrapper.vm, '$emit');
wrapper.vm.viewer = newViewer;
return wrapper.vm.$nextTick().then(() => {
expect(wrapper.vm.$emit).toHaveBeenCalledWith('viewer-changed', newViewer);
});
});
it('does not emit event if the switcher is not rendered', () => {
factory(true);
expect(wrapper.vm.showViewerSwitcher).toBe(false);
jest.spyOn(wrapper.vm, '$emit');
wrapper.vm.viewer = newViewer;
return wrapper.vm.$nextTick().then(() => {
expect(wrapper.vm.$emit).not.toHaveBeenCalled();
});
});
});
});