351 lines
9.3 KiB
JavaScript
351 lines
9.3 KiB
JavaScript
import sqljs from 'sql.js';
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import axios from '~/lib/utils/axios_utils';
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import BalsamiqViewer from '~/blob/balsamiq/balsamiq_viewer';
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import ClassSpecHelper from '../../helpers/class_spec_helper';
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describe('BalsamiqViewer', () => {
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const mockArrayBuffer = new ArrayBuffer(10);
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let balsamiqViewer;
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let viewer;
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describe('class constructor', () => {
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beforeEach(() => {
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viewer = {};
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balsamiqViewer = new BalsamiqViewer(viewer);
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});
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it('should set .viewer', () => {
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expect(balsamiqViewer.viewer).toBe(viewer);
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});
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});
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describe('loadFile', () => {
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let bv;
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const endpoint = 'endpoint';
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const requestSuccess = Promise.resolve({
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data: mockArrayBuffer,
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status: 200,
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});
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beforeEach(() => {
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viewer = {};
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bv = new BalsamiqViewer(viewer);
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});
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it('should call `axios.get` on `endpoint` param with responseType set to `arraybuffer', () => {
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spyOn(axios, 'get').and.returnValue(requestSuccess);
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spyOn(bv, 'renderFile').and.stub();
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bv.loadFile(endpoint);
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expect(axios.get).toHaveBeenCalledWith(
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endpoint,
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jasmine.objectContaining({
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responseType: 'arraybuffer',
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}),
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);
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});
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it('should call `renderFile` on request success', done => {
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spyOn(axios, 'get').and.returnValue(requestSuccess);
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spyOn(bv, 'renderFile').and.callFake(() => {});
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bv.loadFile(endpoint)
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.then(() => {
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expect(bv.renderFile).toHaveBeenCalledWith(mockArrayBuffer);
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})
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.then(done)
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.catch(done.fail);
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});
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it('should not call `renderFile` on request failure', done => {
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spyOn(axios, 'get').and.returnValue(Promise.reject());
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spyOn(bv, 'renderFile');
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bv.loadFile(endpoint)
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.then(() => {
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done.fail('Expected loadFile to throw error!');
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})
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.catch(() => {
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expect(bv.renderFile).not.toHaveBeenCalled();
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})
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.then(done)
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.catch(done.fail);
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});
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});
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describe('renderFile', () => {
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let container;
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let previews;
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beforeEach(() => {
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viewer = jasmine.createSpyObj('viewer', ['appendChild']);
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previews = [document.createElement('ul'), document.createElement('ul')];
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balsamiqViewer = jasmine.createSpyObj('balsamiqViewer', [
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'initDatabase',
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'getPreviews',
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'renderPreview',
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]);
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balsamiqViewer.viewer = viewer;
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balsamiqViewer.getPreviews.and.returnValue(previews);
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balsamiqViewer.renderPreview.and.callFake(preview => preview);
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viewer.appendChild.and.callFake(containerElement => {
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container = containerElement;
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});
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BalsamiqViewer.prototype.renderFile.call(balsamiqViewer, mockArrayBuffer);
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});
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it('should call .initDatabase', () => {
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expect(balsamiqViewer.initDatabase).toHaveBeenCalledWith(mockArrayBuffer);
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});
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it('should call .getPreviews', () => {
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expect(balsamiqViewer.getPreviews).toHaveBeenCalled();
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});
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it('should call .renderPreview for each preview', () => {
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const allArgs = balsamiqViewer.renderPreview.calls.allArgs();
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expect(allArgs.length).toBe(2);
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previews.forEach((preview, i) => {
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expect(allArgs[i][0]).toBe(preview);
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});
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});
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it('should set the container HTML', () => {
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expect(container.innerHTML).toBe('<ul></ul><ul></ul>');
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});
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it('should add inline preview classes', () => {
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expect(container.classList[0]).toBe('list-inline');
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expect(container.classList[1]).toBe('previews');
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});
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it('should call viewer.appendChild', () => {
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expect(viewer.appendChild).toHaveBeenCalledWith(container);
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});
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});
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describe('initDatabase', () => {
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let database;
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let uint8Array;
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let data;
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beforeEach(() => {
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uint8Array = {};
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database = {};
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data = 'data';
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balsamiqViewer = {};
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spyOn(window, 'Uint8Array').and.returnValue(uint8Array);
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spyOn(sqljs, 'Database').and.returnValue(database);
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BalsamiqViewer.prototype.initDatabase.call(balsamiqViewer, data);
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});
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it('should instantiate Uint8Array', () => {
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expect(window.Uint8Array).toHaveBeenCalledWith(data);
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});
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it('should call sqljs.Database', () => {
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expect(sqljs.Database).toHaveBeenCalledWith(uint8Array);
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});
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it('should set .database', () => {
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expect(balsamiqViewer.database).toBe(database);
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});
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});
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describe('getPreviews', () => {
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let database;
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let thumbnails;
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let getPreviews;
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beforeEach(() => {
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database = jasmine.createSpyObj('database', ['exec']);
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thumbnails = [{ values: [0, 1, 2] }];
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balsamiqViewer = {
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database,
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};
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spyOn(BalsamiqViewer, 'parsePreview').and.callFake(preview => preview.toString());
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database.exec.and.returnValue(thumbnails);
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getPreviews = BalsamiqViewer.prototype.getPreviews.call(balsamiqViewer);
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});
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it('should call database.exec', () => {
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expect(database.exec).toHaveBeenCalledWith('SELECT * FROM thumbnails');
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});
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it('should call .parsePreview for each value', () => {
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const allArgs = BalsamiqViewer.parsePreview.calls.allArgs();
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expect(allArgs.length).toBe(3);
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thumbnails[0].values.forEach((value, i) => {
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expect(allArgs[i][0]).toBe(value);
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});
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});
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it('should return an array of parsed values', () => {
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expect(getPreviews).toEqual(['0', '1', '2']);
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});
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});
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describe('getResource', () => {
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let database;
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let resourceID;
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let resource;
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let getResource;
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beforeEach(() => {
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database = jasmine.createSpyObj('database', ['exec']);
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resourceID = 4;
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resource = ['resource'];
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balsamiqViewer = {
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database,
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};
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database.exec.and.returnValue(resource);
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getResource = BalsamiqViewer.prototype.getResource.call(balsamiqViewer, resourceID);
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});
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it('should call database.exec', () => {
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expect(database.exec).toHaveBeenCalledWith(
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`SELECT * FROM resources WHERE id = '${resourceID}'`,
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);
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});
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it('should return the selected resource', () => {
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expect(getResource).toBe(resource[0]);
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});
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});
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describe('renderPreview', () => {
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let previewElement;
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let innerHTML;
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let preview;
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let renderPreview;
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beforeEach(() => {
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innerHTML = '<a>innerHTML</a>';
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previewElement = {
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outerHTML: '<p>outerHTML</p>',
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classList: jasmine.createSpyObj('classList', ['add']),
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};
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preview = {};
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balsamiqViewer = jasmine.createSpyObj('balsamiqViewer', ['renderTemplate']);
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spyOn(document, 'createElement').and.returnValue(previewElement);
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balsamiqViewer.renderTemplate.and.returnValue(innerHTML);
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renderPreview = BalsamiqViewer.prototype.renderPreview.call(balsamiqViewer, preview);
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});
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it('should call classList.add', () => {
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expect(previewElement.classList.add).toHaveBeenCalledWith('preview');
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});
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it('should call .renderTemplate', () => {
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expect(balsamiqViewer.renderTemplate).toHaveBeenCalledWith(preview);
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});
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it('should set .innerHTML', () => {
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expect(previewElement.innerHTML).toBe(innerHTML);
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});
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it('should return element', () => {
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expect(renderPreview).toBe(previewElement);
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});
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});
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describe('renderTemplate', () => {
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let preview;
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let name;
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let resource;
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let template;
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let renderTemplate;
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beforeEach(() => {
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preview = { resourceID: 1, image: 'image' };
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name = 'name';
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resource = 'resource';
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template = `
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<div class="card">
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<div class="card-header">name</div>
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<div class="card-body">
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<img class="img-thumbnail" src="data:image/png;base64,image"/>
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</div>
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</div>
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`;
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balsamiqViewer = jasmine.createSpyObj('balsamiqViewer', ['getResource']);
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spyOn(BalsamiqViewer, 'parseTitle').and.returnValue(name);
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balsamiqViewer.getResource.and.returnValue(resource);
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renderTemplate = BalsamiqViewer.prototype.renderTemplate.call(balsamiqViewer, preview);
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});
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it('should call .getResource', () => {
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expect(balsamiqViewer.getResource).toHaveBeenCalledWith(preview.resourceID);
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});
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it('should call .parseTitle', () => {
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expect(BalsamiqViewer.parseTitle).toHaveBeenCalledWith(resource);
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});
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it('should return the template string', function() {
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expect(renderTemplate.replace(/\s/g, '')).toEqual(template.replace(/\s/g, ''));
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});
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});
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describe('parsePreview', () => {
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let preview;
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let parsePreview;
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beforeEach(() => {
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preview = ['{}', '{ "id": 1 }'];
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spyOn(JSON, 'parse').and.callThrough();
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parsePreview = BalsamiqViewer.parsePreview(preview);
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});
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ClassSpecHelper.itShouldBeAStaticMethod(BalsamiqViewer, 'parsePreview');
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it('should return the parsed JSON', () => {
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expect(parsePreview).toEqual(JSON.parse('{ "id": 1 }'));
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});
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});
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describe('parseTitle', () => {
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let title;
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let parseTitle;
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beforeEach(() => {
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title = { values: [['{}', '{}', '{"name":"name"}']] };
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spyOn(JSON, 'parse').and.callThrough();
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parseTitle = BalsamiqViewer.parseTitle(title);
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});
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ClassSpecHelper.itShouldBeAStaticMethod(BalsamiqViewer, 'parsePreview');
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it('should return the name value', () => {
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expect(parseTitle).toBe('name');
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});
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});
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});
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