300 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			300 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
| import {
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|   serializeForm,
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|   serializeFormObject,
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|   isEmptyValue,
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|   parseRailsFormFields,
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| } from '~/lib/utils/forms';
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| 
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| describe('lib/utils/forms', () => {
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|   const createDummyForm = (inputs) => {
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|     const form = document.createElement('form');
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| 
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|     form.innerHTML = inputs
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|       .map(({ type, name, value }) => {
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|         let str = ``;
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|         if (type === 'select') {
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|           str = `<select name="${name}">`;
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|           value.forEach((v) => {
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|             if (v.length > 0) {
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|               str += `<option value="${v}"></option> `;
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|             }
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|           });
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|           str += `</select>`;
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|         } else {
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|           str = `<input type="${type}" name="${name}" value="${value}" checked/>`;
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|         }
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|         return str;
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|       })
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|       .join('');
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| 
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|     return form;
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|   };
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| 
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|   describe('serializeForm', () => {
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|     it('returns an object of key values from inputs', () => {
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|       const form = createDummyForm([
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|         { type: 'text', name: 'foo', value: 'foo-value' },
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|         { type: 'text', name: 'bar', value: 'bar-value' },
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|       ]);
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| 
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|       const data = serializeForm(form);
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| 
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|       expect(data).toEqual({
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|         foo: 'foo-value',
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|         bar: 'bar-value',
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|       });
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|     });
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| 
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|     it('works with select', () => {
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|       const form = createDummyForm([
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|         { type: 'select', name: 'foo', value: ['foo-value1', 'foo-value2'] },
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|         { type: 'text', name: 'bar', value: 'bar-value1' },
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|       ]);
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| 
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|       const data = serializeForm(form);
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| 
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|       expect(data).toEqual({
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|         foo: 'foo-value1',
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|         bar: 'bar-value1',
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|       });
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|     });
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| 
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|     it('works with multiple inputs of the same name', () => {
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|       const form = createDummyForm([
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|         { type: 'checkbox', name: 'foo', value: 'foo-value3' },
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|         { type: 'checkbox', name: 'foo', value: 'foo-value2' },
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|         { type: 'checkbox', name: 'foo', value: 'foo-value1' },
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|         { type: 'text', name: 'bar', value: 'bar-value2' },
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|         { type: 'text', name: 'bar', value: 'bar-value1' },
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|       ]);
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| 
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|       const data = serializeForm(form);
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| 
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|       expect(data).toEqual({
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|         foo: ['foo-value3', 'foo-value2', 'foo-value1'],
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|         bar: ['bar-value2', 'bar-value1'],
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|       });
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|     });
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| 
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|     it('handles Microsoft Edge FormData.getAll() bug', () => {
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|       const formData = [
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|         { type: 'checkbox', name: 'foo', value: 'foo-value1' },
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|         { type: 'text', name: 'bar', value: 'bar-value2' },
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|       ];
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| 
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|       const form = createDummyForm(formData);
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| 
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|       jest
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|         .spyOn(FormData.prototype, 'getAll')
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|         .mockImplementation((name) =>
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|           formData.map((elem) => (elem.name === name ? elem.value : undefined)),
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|         );
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| 
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|       const data = serializeForm(form);
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| 
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|       expect(data).toEqual({
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|         foo: 'foo-value1',
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|         bar: 'bar-value2',
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|       });
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|     });
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|   });
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| 
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|   describe('isEmptyValue', () => {
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|     it.each`
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|       input        | returnValue
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|       ${''}        | ${true}
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|       ${[]}        | ${true}
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|       ${null}      | ${true}
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|       ${undefined} | ${true}
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|       ${'hello'}   | ${false}
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|       ${' '}       | ${false}
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|       ${0}         | ${false}
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|     `('returns $returnValue for value $input', ({ input, returnValue }) => {
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|       expect(isEmptyValue(input)).toBe(returnValue);
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|     });
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|   });
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| 
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|   describe('serializeFormObject', () => {
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|     it('returns an serialized object', () => {
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|       const form = {
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|         profileName: { value: 'hello', state: null, feedback: null },
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|         spiderTimeout: { value: 2, state: true, feedback: null },
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|         targetTimeout: { value: 12, state: true, feedback: null },
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|       };
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|       expect(serializeFormObject(form)).toEqual({
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|         profileName: 'hello',
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|         spiderTimeout: 2,
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|         targetTimeout: 12,
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|       });
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|     });
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| 
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|     it('returns only the entries with value', () => {
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|       const form = {
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|         profileName: { value: '', state: null, feedback: null },
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|         spiderTimeout: { value: 0, state: null, feedback: null },
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|         targetTimeout: { value: null, state: null, feedback: null },
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|         name: { value: undefined, state: null, feedback: null },
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|       };
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|       expect(serializeFormObject(form)).toEqual({
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|         spiderTimeout: 0,
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|       });
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|     });
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|   });
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| 
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|   describe('parseRailsFormFields', () => {
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|     let mountEl;
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| 
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|     beforeEach(() => {
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|       mountEl = document.createElement('div');
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|       mountEl.classList.add('js-foo-bar');
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|     });
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| 
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|     afterEach(() => {
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|       mountEl = null;
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|     });
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| 
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|     it('parses fields generated by Rails and returns object with HTML attributes', () => {
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|       mountEl.innerHTML = `
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|         <input type="text" placeholder="Name" value="Administrator" name="user[name]" id="user_name" data-js-name="name">
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|         <input type="text" placeholder="Email" value="foo@bar.com" name="user[contact_info][email]" id="user_contact_info_email" data-js-name="contactInfoEmail">
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|         <input type="text" placeholder="Phone" value="(123) 456-7890" name="user[contact_info][phone]" id="user_contact_info_phone" data-js-name="contact_info_phone">
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|         <input type="hidden" placeholder="Job title" value="" name="user[job_title]" id="user_job_title" data-js-name="jobTitle">
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|         <textarea name="user[bio]" id="user_bio" data-js-name="bio">Foo bar</textarea>
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|         <select name="user[timezone]" id="user_timezone" data-js-name="timezone">
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|           <option value="utc+12">[UTC - 12] International Date Line West</option>
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|           <option value="utc+11" selected>[UTC - 11] American Samoa</option>
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|         </select>
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|         <input type="checkbox" name="user[interests][]" id="user_interests_vue" value="Vue" checked data-js-name="interests">
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|         <input type="checkbox" name="user[interests][]" id="user_interests_graphql" value="GraphQL" data-js-name="interests">
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|         <input type="radio" name="user[access_level]" value="regular" id="user_access_level_regular" data-js-name="accessLevel">
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|         <input type="radio" name="user[access_level]" value="admin" id="user_access_level_admin" checked data-js-name="access_level">
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|         <input name="user[private_profile]" type="hidden" value="0">
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|         <input type="radio" name="user[private_profile]" id="user_private_profile" value="1" checked data-js-name="privateProfile">
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|         <input name="user[email_notifications]" type="hidden" value="0">
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|         <input type="radio" name="user[email_notifications]" id="user_email_notifications" value="1" data-js-name="emailNotifications">
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|       `;
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| 
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|       expect(parseRailsFormFields(mountEl)).toEqual({
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|         name: {
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|           name: 'user[name]',
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|           id: 'user_name',
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|           value: 'Administrator',
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|           placeholder: 'Name',
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|         },
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|         contactInfoEmail: {
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|           name: 'user[contact_info][email]',
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|           id: 'user_contact_info_email',
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|           value: 'foo@bar.com',
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|           placeholder: 'Email',
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|         },
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|         contactInfoPhone: {
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|           name: 'user[contact_info][phone]',
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|           id: 'user_contact_info_phone',
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|           value: '(123) 456-7890',
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|           placeholder: 'Phone',
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|         },
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|         jobTitle: {
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|           name: 'user[job_title]',
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|           id: 'user_job_title',
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|           value: '',
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|           placeholder: 'Job title',
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|         },
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|         bio: {
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|           name: 'user[bio]',
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|           id: 'user_bio',
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|           value: 'Foo bar',
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|         },
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|         timezone: {
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|           name: 'user[timezone]',
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|           id: 'user_timezone',
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|           value: 'utc+11',
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|         },
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|         interests: [
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|           {
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|             name: 'user[interests][]',
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|             id: 'user_interests_vue',
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|             value: 'Vue',
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|             checked: true,
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|           },
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|           {
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|             name: 'user[interests][]',
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|             id: 'user_interests_graphql',
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|             value: 'GraphQL',
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|             checked: false,
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|           },
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|         ],
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|         accessLevel: [
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|           {
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|             name: 'user[access_level]',
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|             id: 'user_access_level_regular',
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|             value: 'regular',
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|             checked: false,
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|           },
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|           {
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|             name: 'user[access_level]',
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|             id: 'user_access_level_admin',
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|             value: 'admin',
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|             checked: true,
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|           },
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|         ],
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|         privateProfile: [
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|           {
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|             name: 'user[private_profile]',
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|             id: 'user_private_profile',
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|             value: '1',
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|             checked: true,
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|           },
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|         ],
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|         emailNotifications: [
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|           {
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|             name: 'user[email_notifications]',
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|             id: 'user_email_notifications',
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|             value: '1',
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|             checked: false,
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|           },
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|         ],
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|       });
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|     });
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| 
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|     it('returns an empty object if there are no inputs', () => {
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|       expect(parseRailsFormFields(mountEl)).toEqual({});
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|     });
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| 
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|     it('returns an empty object if inputs do not have `name` attributes', () => {
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|       mountEl.innerHTML = `
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|         <input type="text" placeholder="Name" value="Administrator" id="user_name">
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|         <input type="text" placeholder="Email" value="foo@bar.com" id="user_contact_info_email">
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|         <input type="text" placeholder="Phone" value="(123) 456-7890" id="user_contact_info_phone">
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|       `;
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| 
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|       expect(parseRailsFormFields(mountEl)).toEqual({});
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|     });
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| 
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|     it('does not include field if `data-js-name` attribute is missing', () => {
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|       mountEl.innerHTML = `
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|         <input type="text" placeholder="Name" value="Administrator" name="user[name]" id="user_name" data-js-name="name">
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|         <input type="text" placeholder="Email" value="foo@bar.com" name="user[email]" id="email">
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|       `;
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| 
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|       expect(parseRailsFormFields(mountEl)).toEqual({
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|         name: {
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|           name: 'user[name]',
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|           id: 'user_name',
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|           value: 'Administrator',
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|           placeholder: 'Name',
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|         },
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|       });
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|     });
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| 
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|     it('throws error if `mountEl` argument is not passed', () => {
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|       expect(() => parseRailsFormFields()).toThrow(new TypeError('`mountEl` argument is required'));
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|     });
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| 
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|     it('throws error if `mountEl` argument is `null`', () => {
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|       expect(() => parseRailsFormFields(null)).toThrow(
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|         new TypeError('`mountEl` argument is required'),
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|       );
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|     });
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|   });
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| });
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