Integration tests: Add Cypress.io

.travis.yml

@@ -1,3 +1,21 @@
 language: node_js
 node_js:
   - v11
+
+cache:
+  # cache both npm modules and Cypress binary
+  directories:
+    - ~/.npm
+    - ~/.cache
+  # install dependencies and check that Cypress can run
+  override:
+    - npm ci
+    - npm run cy:verify
+
+script:
+  # run all Cypress tests
+  - npm run cy:run
+  # after all tests finish running we need
+  # to kill all background jobs (like "npm start &")
+  # this avoids flake in Travis jobs
+  - kill $(jobs -p) || true

README.md

@@ -1,6 +1,7 @@
 # time-calculator
 
 [![XO code style][codestyle-image]][codestyle-url]
+[![Cypress.io tests][cypress-image]][cypress-url]
 
 [![Build Status][travis-image]][travis-url]
 [![Dependency Status][depstat-image]][depstat-url]
@@ -28,3 +29,6 @@ MIT © [Vladimir Rodkin](https://github.com/VovanR)
 
 [depstat-dev-url]: https://david-dm.org/VovanR/time-calculator
 [depstat-dev-image]: https://david-dm.org/VovanR/time-calculator/dev-status.svg?style=flat-square
+
+[cypress-url]: https://cypress.io
+[cypress-image]: https://img.shields.io/badge/cypress.io-tests-green.svg?style=flat-square

cypress.json

@@ -0,0 +1 @@
+{}

cypress/fixtures/example.json

@@ -0,0 +1,5 @@
+{
+  "name": "Using fixtures to represent data",
+  "email": "hello@cypress.io",
+  "body": "Fixtures are a great way to mock data for responses to routes"
+}

cypress/integration/index.spec.js

@@ -0,0 +1,64 @@
+/* global describe beforeEach cy it */
+
+// https://example.cypress.io/
+
+const INPUT_PLACEHOLDER = `1h 30m
+-45m
+2h
+1h`;
+const OUTPUT_PLACEHOLDER = '3h 45m';
+
+describe('time-calculator', () => {
+	beforeEach(() => {
+		cy.visit('index.html');
+	});
+
+	it('should loaded input focused', () => {
+		cy.focused().should('have.attr', 'id', 'time-calculator-input');
+	});
+
+	it('should loaded with placeholder demo', () => {
+		cy.get('#time-calculator-input').should('have.attr', 'placeholder', INPUT_PLACEHOLDER);
+		cy.get('#time-calculator-output').should('have.attr', 'placeholder', OUTPUT_PLACEHOLDER);
+	});
+
+	it('should calculate input time', () => {
+		cy.get('#time-calculator-input')
+			.type('1h 30m')
+			.type('\n')
+			.type('30m')
+			.type('\n')
+			.type('-5m')
+			.type('\n')
+			.type('-1h 5m');
+		cy.get('#time-calculator-output').should('have.value', '50m');
+	});
+
+	it('should respect time labels', () => {
+		cy.get('#time-calculator-input')
+			.type(`shower 20m
+dress 10m
+walk bus station 10m
+sleep 35m
+walk to work 10m
+make coffee 10m`);
+		cy.get('#time-calculator-output').should('have.value', '95m');
+	});
+
+	it('should have output input read only', () => {
+		// TODO: Waiting for https://github.com/cypress-io/cypress/issues/1246
+		// cy.get('#time-calculator-output')
+		// 	.type('5h')
+		// 	.should('have.value', '');
+		cy.get('#time-calculator-output')
+			.should('have.attr', 'readonly', 'readonly');
+	});
+
+	it('should have copyright block with project source URL', () => {
+		cy.get('.copyright').should('have.attr', 'href', 'https://github.com/vovanr/time-calculator');
+	});
+
+	it('should have copyright block opens new tab URL', () => {
+		cy.get('.copyright').should('have.attr', 'target', '_blank');
+	});
+});

cypress/plugins/index.js

@@ -0,0 +1,17 @@
+// ***********************************************************
+// This example plugins/index.js can be used to load plugins
+//
+// You can change the location of this file or turn off loading
+// the plugins file with the 'pluginsFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/plugins-guide
+// ***********************************************************
+
+// This function is called when a project is opened or re-opened (e.g. due to
+// the project's config changing)
+
+module.exports = (/* on, config */) => {
+	// `on` is used to hook into various events Cypress emits
+	// `config` is the resolved Cypress config
+};

cypress/support/commands.js

@@ -0,0 +1,25 @@
+// ***********************************************
+// This example commands.js shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+//
+//
+// -- This is a parent command --
+// Cypress.Commands.add("login", (email, password) => { ... })
+//
+//
+// -- This is a child command --
+// Cypress.Commands.add("drag", { prevSubject: 'element'}, (subject, options) => { ... })
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add("dismiss", { prevSubject: 'optional'}, (subject, options) => { ... })
+//
+//
+// -- This is will overwrite an existing command --
+// Cypress.Commands.overwrite("visit", (originalFn, url, options) => { ... })

cypress/support/index.js

@@ -0,0 +1,22 @@
+/* eslint import/no-unassigned-import:0 */
+
+// ***********************************************************
+// This example support/index.js is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// Import commands.js using ES2015 syntax:
+import './commands';
+
+// Alternatively you can use CommonJS syntax:
+// require('./commands')

package.json

@@ -8,12 +8,16 @@
   "author": "Vladimir Rodkin <mail@vovanr.com> (https://github.com/VovanR)",
   "scripts": {
     "start": "http-server .",
-    "test": "xo"
+    "test": "xo",
+    "cy:open": "cypress open",
+    "cy:verify": "cypress verify",
+    "cy:run": "cypress run"
   },
   "browser": "./js/index.js",
   "keywords": [],
   "dependencies": {},
   "devDependencies": {
+    "cypress": "3.1.5",
     "http-server": "^0.11.1",
     "xo": "^0.24.0"
   },