feat(project): add automated testing with cypress (#3305)

* feat(project): add automated testing with cypress

* feat(project): made suggested edits

* feat(project): add init test

* feat(project): add socket to correct container

test/e2e/.env

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+PORTAINER_TAG=develop

test/e2e/cypress.json

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+{
+    "video": false
+}

test/e2e/cypress/integration/spec.js

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+// Tests to run
+context('Tests to run', () => {
+  //Browse to homepage before each test
+  beforeEach(() => {
+    cy.visit('/')
+  })
+  describe('Init admin', function() {
+    it('Create user and verify success', function() {
+      cy.get('#username')
+      .should('have.value', 'admin')
+      cy.get('#password')
+      .type('portaineriscool')
+      .should('have.value', 'portaineriscool')
+      cy.get('#confirm_password')
+      .type('portaineriscool')
+      .should('have.value', 'portaineriscool')
+      cy.get('[type=submit]').click()
+      cy.url().should('include', '/init/endpoint')
+    })
+  })
+})

test/e2e/cypress/plugins/index.js

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+// ***********************************************************
+// 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
+}

test/e2e/cypress/support/commands.js

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+// ***********************************************
+// 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) => { ... })

test/e2e/cypress/support/index.js

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+// ***********************************************************
+// 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')

test/e2e/docker-compose.yml

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+version: '3'
+services:
+  portainer:
+    image: portainerci/portainer:$PORTAINER_TAG
+    container_name: e2e-portainer
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+
+  cypress:
+    image: cypress/included:3.4.1
+    container_name: e2e-cypress
+    depends_on:
+      - portainer
+    working_dir: /app
+    environment:
+      - CYPRESS_baseUrl=http://e2e-portainer:9000
+    volumes:
+      - ./cypress:/app/cypress
+      - ./cypress.json:/app/cypress.json