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import { mount } from '@vue/test-utils';
import Upload from '~/ide/components/new_dropdown/upload.vue';
import waitForPromises from 'helpers/wait_for_promises';
describe('new dropdown upload', () => {
let wrapper;
function createComponent() {
wrapper = mount(Upload, {
propsData: {
path: '',
},
});
}
const uploadFile = (file) => {
const input = wrapper.find('input[type="file"]');
Object.defineProperty(input.element, 'files', { value: [file] });
input.trigger('change', file);
};
const waitForFileToLoad = async () => {
await waitForPromises();
return waitForPromises();
};
beforeEach(() => {
createComponent();
});
describe('readFile', () => {
beforeEach(() => {
jest.spyOn(FileReader.prototype, 'readAsDataURL').mockImplementation(() => {});
});
it('calls readAsDataURL for all files', () => {
const file = {
type: 'images/png',
};
uploadFile(file);
expect(FileReader.prototype.readAsDataURL).toHaveBeenCalledWith(file);
});
});
describe('createFile', () => {
const textFile = new File(['plain text'], 'textFile', { type: 'test/mime-text' });
const binaryFile = new File(['😺'], 'binaryFile', { type: 'test/mime-binary' });
beforeEach(() => {
jest.spyOn(FileReader.prototype, 'readAsText');
});
it('calls readAsText and creates file in plain text (without encoding) if the file content is plain text', async () => {
uploadFile(textFile);
// Text file has an additional load, so need to wait twice
await waitForFileToLoad();
await waitForFileToLoad();
expect(FileReader.prototype.readAsText).toHaveBeenCalledWith(textFile);
expect(wrapper.emitted('create')[0]).toStrictEqual([
{
name: textFile.name,
type: 'blob',
content: 'plain text',
rawPath: '',
mimeType: 'test/mime-text',
},
]);
});
it('creates a blob URL for the content if binary', async () => {
uploadFile(binaryFile);
await waitForFileToLoad();
expect(FileReader.prototype.readAsText).not.toHaveBeenCalled();
expect(wrapper.emitted('create')[0]).toStrictEqual([
{
name: binaryFile.name,
type: 'blob',
content: '😺', // '😺'
rawPath: 'blob:https://gitlab.com/048c7ac1-98de-4a37-ab1b-0206d0ea7e1b',
mimeType: 'test/mime-binary',
},
]);
});
});
});
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