import Vue from 'vue'; import createComponent from 'helpers/vue_mount_component_helper'; import upload from '~/ide/components/new_dropdown/upload.vue'; describe('new dropdown upload', () => { let vm; beforeEach(() => { const Component = Vue.extend(upload); vm = createComponent(Component, { path: '', }); vm.entryName = 'testing'; jest.spyOn(vm, '$emit'); }); afterEach(() => { vm.$destroy(); }); describe('openFile', () => { it('calls for each file', () => { const files = ['test', 'test2', 'test3']; jest.spyOn(vm, 'readFile').mockImplementation(() => {}); jest.spyOn(vm.$refs.fileUpload, 'files', 'get').mockReturnValue(files); vm.openFile(); expect(vm.readFile.mock.calls.length).toBe(3); files.forEach((file, i) => { expect(vm.readFile.mock.calls[i]).toEqual([file]); }); }); }); describe('readFile', () => { beforeEach(() => { jest.spyOn(FileReader.prototype, 'readAsDataURL').mockImplementation(() => {}); }); it('calls readAsDataURL for all files', () => { const file = { type: 'images/png', }; vm.readFile(file); expect(FileReader.prototype.readAsDataURL).toHaveBeenCalledWith(file); }); }); describe('createFile', () => { const textTarget = { result: 'base64,cGxhaW4gdGV4dA==', }; const binaryTarget = { result: 'base64,8PDw8A==', // ðððð }; const textFile = new File(['plain text'], 'textFile'); const binaryFile = new File(['😺'], 'binaryFile'); beforeEach(() => { jest.spyOn(FileReader.prototype, 'readAsText'); }); it('calls readAsText and creates file in plain text (without encoding) if the file content is plain text', done => { const waitForCreate = new Promise(resolve => vm.$on('create', resolve)); vm.createFile(textTarget, textFile); expect(FileReader.prototype.readAsText).toHaveBeenCalledWith(textFile); waitForCreate .then(() => { expect(vm.$emit).toHaveBeenCalledWith('create', { name: textFile.name, type: 'blob', content: 'plain text', rawPath: '', }); }) .then(done) .catch(done.fail); }); it('creates a blob URL for the content if binary', () => { vm.createFile(binaryTarget, binaryFile); expect(FileReader.prototype.readAsText).not.toHaveBeenCalled(); expect(vm.$emit).toHaveBeenCalledWith('create', { name: binaryFile.name, type: 'blob', content: 'ðððð', rawPath: 'blob:https://gitlab.com/048c7ac1-98de-4a37-ab1b-0206d0ea7e1b', }); }); }); });