Add e2e tests with cypress (#51)

* refactor: layout of testimonials (#47)

* chore: Added Danny too testimonials (#48)

* Install cypress (#49)

* chore: installed cypress

* test: initial install for example tests

* adding Cypress

* delete Cypress example tests

* adding first tests

* removing "only" filter in test spec

* Update README.md

* eslint Cypress plugin added

* cleanup via eslint

* Removing package-lock.json and .gitignore update

Co-authored-by: Benjamin Lo <wolfnun011@gmail.com>

.eslintrc

@@ -1,5 +1,8 @@
 {
-  "extends": ["wesbos"],
+  "plugins": [
+    "cypress"
+  ],
+  "extends": ["wesbos", "plugin:cypress/recommended"],
   "rules": {
     "no-console": 2,
     "import/no-unresolved": 0,
@@ -13,6 +16,15 @@
         "printWidth": 120,
         "tabWidth": 2
       }
+    ],
+    "spaced-comment": [
+      "error",
+      "always",
+      {
+        "line": {
+          "markers": ["/"]
+        }
+      }
     ]
   },
   "settings": {

.gitignore

@@ -70,4 +70,8 @@ yarn-error.log
 # Yarn Integrity file
 .yarn-integrity
 
-.now
+.now
+
+# Cypress
+cypress/videos
+cypress/screenshots

README.md

@@ -11,7 +11,7 @@ My personal portfolio website forked from [Gatsby-theme-portfolio](https://githu
 ## TODO
 
 - ~fix i18n internationalization. See branch [wip/portfolio-ben-i18n](https://github.com/benji011/portfolio.benjaminlo.io/tree/wip/portfolio-ben-i18n) for more details~
-- E2E tests
+- ~E2E tests~
 - fix hamburger icon colour
 - ~fix ESLint~
 - refactor some weird looking code
@@ -53,4 +53,4 @@ i18n
 ├── skills
 │   └── skills.json
 └── translation.json
-```
+```

cypress.json

@@ -0,0 +1,3 @@
+{
+    "baseUrl": "http://localhost:8000"
+}

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/e2e.spec.js

@@ -0,0 +1,24 @@
+/// <reference types="cypress" />
+
+describe('E2E tests', () => {
+  beforeEach(() => {
+    cy.visit('/');
+  });
+  it('checks if link to repository is opening in a new tab', () => {
+    cy.get('.GlEmu > a:nth-of-type(1)').should('have.attr', 'target', '_blank');
+  });
+  it('checks if the contact form is visible after "Contact me" click', () => {
+    cy.get('.Intro___StyledButton-bAANjW').click();
+    cy.get('#contact').should('be.visible');
+  });
+  it('checks if form validation works during typing', () => {
+    cy.get(':nth-child(1) > .Input-eXLwAq').type('J{backspace}').blur();
+    cy.get(':nth-child(1) > .styles__Error-MrfTy').should('be.visible').and('have.text', 'Full name field is required');
+
+    cy.get(':nth-child(2) > .Input-eXLwAq').type('qwerty').blur();
+    cy.get(':nth-child(2) > .styles__Error-MrfTy').should('be.visible').and('have.text', 'Invalid email');
+
+    cy.get(':nth-child(3) > .Input-eXLwAq').type('D{backspace}').blur();
+    cy.get(':nth-child(3) > .styles__Error-MrfTy').should('be.visible').and('have.text', 'Message field is required');
+  });
+});

cypress/plugins/index.js

@@ -0,0 +1,22 @@
+// / <reference types="cypress" />
+// ***********************************************************
+// 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)
+
+/**
+ * @type {Cypress.PluginConfig}
+ */
+// eslint-disable-next-line no-unused-vars
+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 will overwrite an existing command --
+// Cypress.Commands.overwrite('visit', (originalFn, url, options) => { ... })

cypress/support/index.js

@@ -0,0 +1,20 @@
+// ***********************************************************
+// 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')

i18n/testimonials/testimonials.json

@@ -1,10 +1,8 @@
 {
   "en": {
-    "title": "Trusted by",
-    "read more": "Read more"
+    "title": "Trusted by"
   },
   "ja": {
-    "title": "お客様の声",
-    "read more": "続きを読む"
+    "title": "お客様の声"
   }
 }