feat(test): add challenge 18 and 19 avout testing

apps/testing-input-output/.eslintrc.json

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+{
+  "extends": ["../../.eslintrc.json"],
+  "ignorePatterns": ["!**/*"],
+  "overrides": [
+    {
+      "files": ["*.ts"],
+      "rules": {
+        "@angular-eslint/directive-selector": [
+          "error",
+          {
+            "type": "attribute",
+            "prefix": "app",
+            "style": "camelCase"
+          }
+        ],
+        "@angular-eslint/component-selector": [
+          "error",
+          {
+            "type": "element",
+            "prefix": "app",
+            "style": "kebab-case"
+          }
+        ]
+      },
+      "extends": [
+        "plugin:@nrwl/nx/angular",
+        "plugin:@angular-eslint/template/process-inline-templates"
+      ]
+    },
+    {
+      "files": ["*.html"],
+      "extends": ["plugin:@nrwl/nx/angular-template"],
+      "rules": {}
+    }
+  ]
+}

apps/testing-input-output/README.md

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+<h1>Input / Output testing</h1>
+
+> Author: Thomas Laforge
+
+### Information
+
+...
+
+### Statement:
+
+....
+
+### Submitting your work
+
+1. Fork the project
+2. clone it
+3. npm install
+4. `npx nx serve testing-input-output` to play with the application
+5. `npx nx test testing-input-output` to test your application with Testing Library
+6. `npx nx component-test testing-input-output --watch` to test your application with Cypress
+7. _...work on it_
+8. Commit your work
+9. Submit a PR with a title beginning with **Answer:19** that I will review and other dev can review.
+
+<a href="https://github.com/tomalaforge/angular-challenges/pulls?q=label%3A19+label%3Aanswer"><img src="https://img.shields.io/badge/-Solutions-green" alt="input output testing"/></a>
+
+<!-- <a href='https://github.com/tomalaforge/angular-challenges/pulls?q=label%3A19+label%3A"answer+author"'><img src="https://img.shields.io/badge/-Author solution-important" alt="input output testing solution author"/></a>
+<a href="{Blog post url}" target="_blank" rel="noopener noreferrer"><img src="https://img.shields.io/badge/-Blog post explanation-blue" alt="input output testing blog article"/></a> -->
+
+_You can ask any question on_ <a href="https://twitter.com/laforge_toma" target="_blank" rel="noopener noreferrer"><img src="./../../logo/twitter.svg" height=20px alt="twitter"/></a>

apps/testing-input-output/cypress.config.ts

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+import { defineConfig } from 'cypress';
+import { nxComponentTestingPreset } from '@nrwl/angular/plugins/component-testing';
+
+export default defineConfig({
+  component: nxComponentTestingPreset(__filename),
+});

apps/testing-input-output/cypress/fixtures/example.json

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

apps/testing-input-output/cypress/support/commands.ts

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+/// <reference types="cypress" />
+import { mount } from 'cypress/angular';
+
+// ***********************************************
+// This example commands.ts 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
+// ***********************************************
+
+declare global {
+  // eslint-disable-next-line @typescript-eslint/no-namespace
+  namespace Cypress {
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    interface Chainable<Subject> {
+      login(email: string, password: string): void;
+      mount: typeof mount;
+    }
+  }
+}
+
+Cypress.Commands.add('mount', mount);
+
+//
+// -- This is a parent command --
+Cypress.Commands.add('login', (email, password) => {
+  console.log('Custom command example: 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) => { ... })

apps/testing-input-output/cypress/support/component-index.html

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+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width,initial-scale=1.0">
+  <title>testing-input-output Components App</title>
+
+</head>
+<body>
+  <div data-cy-root></div>
+</body>
+</html>

apps/testing-input-output/cypress/support/component.ts

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+// ***********************************************************
+// This example support/component.ts 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.ts using ES2015 syntax:
+import './commands';

apps/testing-input-output/cypress/tsconfig.cy.json

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+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../../dist/out-tsc",
+    "module": "commonjs",
+    "types": ["cypress", "node"]
+  },
+  "include": [
+    "support/**/*.ts",
+    "../cypress.config.ts",
+    "../**/*.cy.ts",
+    "../**/*.cy.tsx",
+    "../**/*.cy.js",
+    "../**/*.cy.jsx",
+    "../**/*.d.ts"
+  ]
+}

apps/testing-input-output/jest.config.ts

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+/* eslint-disable */
+export default {
+  displayName: 'testing-input-output',
+  preset: '../../jest.preset.js',
+  setupFilesAfterEnv: ['<rootDir>/src/test-setup.ts'],
+  coverageDirectory: '../../coverage/apps/testing-input-output',
+  transform: {
+    '^.+\\.(ts|mjs|js|html)$': [
+      'jest-preset-angular',
+      {
+        tsconfig: '<rootDir>/tsconfig.spec.json',
+        stringifyContentPathRegex: '\\.(html|svg)$',
+      },
+    ],
+  },
+  transformIgnorePatterns: ['node_modules/(?!.*\\.mjs$)'],
+  snapshotSerializers: [
+    'jest-preset-angular/build/serializers/no-ng-attributes',
+    'jest-preset-angular/build/serializers/ng-snapshot',
+    'jest-preset-angular/build/serializers/html-comment',
+  ],
+};

apps/testing-input-output/project.json

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+{
+  "name": "testing-input-output",
+  "$schema": "../node_modules/nx/schemas/project-schema.json",
+  "projectType": "application",
+  "sourceRoot": "apps/testing-input-output/src",
+  "prefix": "app",
+  "targets": {
+    "build": {
+      "executor": "@angular-devkit/build-angular:browser",
+      "outputs": ["{options.outputPath}"],
+      "options": {
+        "outputPath": "dist/apps/testing-input-output",
+        "index": "apps/testing-input-output/src/index.html",
+        "main": "apps/testing-input-output/src/main.ts",
+        "polyfills": ["zone.js"],
+        "tsConfig": "apps/testing-input-output/tsconfig.app.json",
+        "inlineStyleLanguage": "scss",
+        "assets": [
+          "apps/testing-input-output/src/favicon.ico",
+          "apps/testing-input-output/src/assets"
+        ],
+        "styles": ["apps/testing-input-output/src/styles.scss"],
+        "scripts": []
+      },
+      "configurations": {
+        "production": {
+          "budgets": [
+            {
+              "type": "initial",
+              "maximumWarning": "500kb",
+              "maximumError": "1mb"
+            },
+            {
+              "type": "anyComponentStyle",
+              "maximumWarning": "2kb",
+              "maximumError": "4kb"
+            }
+          ],
+          "outputHashing": "all"
+        },
+        "development": {
+          "buildOptimizer": false,
+          "optimization": false,
+          "vendorChunk": true,
+          "extractLicenses": false,
+          "sourceMap": true,
+          "namedChunks": true
+        }
+      },
+      "defaultConfiguration": "production"
+    },
+    "serve": {
+      "executor": "@angular-devkit/build-angular:dev-server",
+      "configurations": {
+        "production": {
+          "browserTarget": "testing-input-output:build:production"
+        },
+        "development": {
+          "browserTarget": "testing-input-output:build:development"
+        }
+      },
+      "defaultConfiguration": "development"
+    },
+    "extract-i18n": {
+      "executor": "@angular-devkit/build-angular:extract-i18n",
+      "options": {
+        "browserTarget": "testing-input-output:build"
+      }
+    },
+    "lint": {
+      "executor": "@nrwl/linter:eslint",
+      "outputs": ["{options.outputFile}"],
+      "options": {
+        "lintFilePatterns": [
+          "apps/testing-input-output/**/*.ts",
+          "apps/testing-input-output/**/*.html"
+        ]
+      }
+    },
+    "test": {
+      "executor": "@nrwl/jest:jest",
+      "outputs": ["{workspaceRoot}/coverage/{projectRoot}"],
+      "options": {
+        "jestConfig": "apps/testing-input-output/jest.config.ts",
+        "passWithNoTests": true
+      },
+      "configurations": {
+        "ci": {
+          "ci": true,
+          "codeCoverage": true
+        }
+      }
+    },
+    "component-test": {
+      "executor": "@nrwl/cypress:cypress",
+      "options": {
+        "cypressConfig": "apps/testing-input-output/cypress.config.ts",
+        "testingType": "component",
+        "skipServe": true,
+        "devServerTarget": "testing-input-output:build"
+      }
+    }
+  },
+  "tags": []
+}

apps/testing-input-output/src/app/app.component.cy.ts

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+import { TestBed } from '@angular/core/testing';
+import { AppComponent } from './app.component';
+
+describe(AppComponent.name, () => {
+  beforeEach(() => {
+    TestBed.overrideComponent(AppComponent, {
+      add: {
+        imports: [],
+        providers: [],
+      },
+    });
+  });
+
+  it('renders', () => {
+    cy.mount(AppComponent);
+  });
+});

apps/testing-input-output/src/app/app.component.spec.ts

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+import { TestBed } from '@angular/core/testing';
+import { AppComponent } from './app.component';
+import { NxWelcomeComponent } from './nx-welcome.component';
+
+describe('AppComponent', () => {
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [AppComponent, NxWelcomeComponent],
+    }).compileComponents();
+  });
+
+  it('should create the app', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.componentInstance;
+    expect(app).toBeTruthy();
+  });
+
+  it(`should have as title 'testing-input-output'`, () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.componentInstance;
+    expect(app.title).toEqual('testing-input-output');
+  });
+
+  it('should render title', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    const compiled = fixture.nativeElement as HTMLElement;
+    expect(compiled.querySelector('h1')?.textContent).toContain(
+      'Welcome testing-input-output'
+    );
+  });
+});

apps/testing-input-output/src/app/app.component.ts

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+import { NxWelcomeComponent } from './nx-welcome.component';
+import { Component } from '@angular/core';
+
+@Component({
+  standalone: true,
+  imports: [NxWelcomeComponent],
+  selector: 'app-root',
+  template: ` <app-nx-welcome></app-nx-welcome> `,
+  styles: [],
+})
+export class AppComponent {
+  title = 'testing-input-output';
+}

apps/testing-input-output/src/app/nx-welcome.component.cy.ts

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+import { TestBed } from '@angular/core/testing';
+import { NxWelcomeComponent } from './nx-welcome.component';
+
+describe(NxWelcomeComponent.name, () => {
+  beforeEach(() => {
+    TestBed.overrideComponent(NxWelcomeComponent, {
+      add: {
+        imports: [],
+        providers: [],
+      },
+    });
+  });
+
+  it('renders', () => {
+    cy.mount(NxWelcomeComponent);
+  });
+});

apps/testing-input-output/src/app/nx-welcome.component.ts

@@ -0,0 +1,801 @@
+import { Component, ViewEncapsulation } from '@angular/core';
+import { CommonModule } from '@angular/common';
+
+/* eslint-disable */
+
+@Component({
+  selector: 'app-nx-welcome',
+  standalone: true,
+  imports: [CommonModule],
+  template: `
+    <!--
+     * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+     This is a starter component and can be deleted.
+     * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+     Delete this file and get started with your project!
+     * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+     -->
+    <style>
+      html {
+        -webkit-text-size-adjust: 100%;
+        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
+          'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif,
+          'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol',
+          'Noto Color Emoji';
+        line-height: 1.5;
+        tab-size: 4;
+        scroll-behavior: smooth;
+      }
+      body {
+        font-family: inherit;
+        line-height: inherit;
+        margin: 0;
+      }
+      h1,
+      h2,
+      p,
+      pre {
+        margin: 0;
+      }
+      *,
+      ::before,
+      ::after {
+        box-sizing: border-box;
+        border-width: 0;
+        border-style: solid;
+        border-color: currentColor;
+      }
+      h1,
+      h2 {
+        font-size: inherit;
+        font-weight: inherit;
+      }
+      a {
+        color: inherit;
+        text-decoration: inherit;
+      }
+      pre {
+        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
+          'Liberation Mono', 'Courier New', monospace;
+      }
+      svg {
+        display: block;
+        vertical-align: middle;
+      }
+
+      svg {
+        shape-rendering: auto;
+        text-rendering: optimizeLegibility;
+      }
+      pre {
+        background-color: rgba(55, 65, 81, 1);
+        border-radius: 0.25rem;
+        color: rgba(229, 231, 235, 1);
+        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
+          'Liberation Mono', 'Courier New', monospace;
+        overflow: scroll;
+        padding: 0.5rem 0.75rem;
+      }
+
+      .shadow {
+        box-shadow: 0 0 #0000, 0 0 #0000, 0 10px 15px -3px rgba(0, 0, 0, 0.1),
+          0 4px 6px -2px rgba(0, 0, 0, 0.05);
+      }
+      .rounded {
+        border-radius: 1.5rem;
+      }
+
+      .wrapper {
+        width: 100%;
+      }
+      .container {
+        margin-left: auto;
+        margin-right: auto;
+        max-width: 768px;
+        padding-bottom: 3rem;
+        padding-left: 1rem;
+        padding-right: 1rem;
+        color: rgba(55, 65, 81, 1);
+        width: 100%;
+      }
+      #welcome {
+        margin-top: 2.5rem;
+      }
+      #welcome h1 {
+        font-size: 3rem;
+        font-weight: 500;
+        letter-spacing: -0.025em;
+        line-height: 1;
+      }
+      #welcome span {
+        display: block;
+        font-size: 1.875rem;
+        font-weight: 300;
+        line-height: 2.25rem;
+        margin-bottom: 0.5rem;
+      }
+      #hero {
+        align-items: center;
+        background-color: hsla(214, 62%, 21%, 1);
+        border: none;
+        box-sizing: border-box;
+        color: rgba(55, 65, 81, 1);
+        display: grid;
+        grid-template-columns: 1fr;
+        margin-top: 3.5rem;
+      }
+      #hero .text-container {
+        color: rgba(255, 255, 255, 1);
+        padding: 3rem 2rem;
+      }
+      #hero .text-container h2 {
+        font-size: 1.5rem;
+        line-height: 2rem;
+        position: relative;
+      }
+      #hero .text-container h2 svg {
+        color: hsla(162, 47%, 50%, 1);
+        height: 2rem;
+        left: -0.25rem;
+        position: absolute;
+        top: 0;
+        width: 2rem;
+      }
+      #hero .text-container h2 span {
+        margin-left: 2.5rem;
+      }
+      #hero .text-container a {
+        background-color: rgba(255, 255, 255, 1);
+        border-radius: 0.75rem;
+        color: rgba(55, 65, 81, 1);
+        display: inline-block;
+        margin-top: 1.5rem;
+        padding: 1rem 2rem;
+        text-decoration: inherit;
+      }
+      #hero .logo-container {
+        display: none;
+        justify-content: center;
+        padding-left: 2rem;
+        padding-right: 2rem;
+      }
+      #hero .logo-container svg {
+        color: rgba(255, 255, 255, 1);
+        width: 66.666667%;
+      }
+
+      #middle-content {
+        align-items: flex-start;
+        display: grid;
+        gap: 4rem;
+        grid-template-columns: 1fr;
+        margin-top: 3.5rem;
+      }
+
+      #learning-materials {
+        padding: 2.5rem 2rem;
+      }
+      #learning-materials h2 {
+        font-weight: 500;
+        font-size: 1.25rem;
+        letter-spacing: -0.025em;
+        line-height: 1.75rem;
+        padding-left: 1rem;
+        padding-right: 1rem;
+      }
+      .list-item-link {
+        align-items: center;
+        border-radius: 0.75rem;
+        display: flex;
+        margin-top: 1rem;
+        padding: 1rem;
+        transition-property: background-color, border-color, color, fill, stroke,
+          opacity, box-shadow, transform, filter, backdrop-filter,
+          -webkit-backdrop-filter;
+        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
+        transition-duration: 150ms;
+        width: 100%;
+      }
+      .list-item-link svg:first-child {
+        margin-right: 1rem;
+        height: 1.5rem;
+        transition-property: background-color, border-color, color, fill, stroke,
+          opacity, box-shadow, transform, filter, backdrop-filter,
+          -webkit-backdrop-filter;
+        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
+        transition-duration: 150ms;
+        width: 1.5rem;
+      }
+      .list-item-link > span {
+        flex-grow: 1;
+        font-weight: 400;
+        transition-property: background-color, border-color, color, fill, stroke,
+          opacity, box-shadow, transform, filter, backdrop-filter,
+          -webkit-backdrop-filter;
+        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
+        transition-duration: 150ms;
+      }
+      .list-item-link > span > span {
+        color: rgba(107, 114, 128, 1);
+        display: block;
+        flex-grow: 1;
+        font-size: 0.75rem;
+        font-weight: 300;
+        line-height: 1rem;
+        transition-property: background-color, border-color, color, fill, stroke,
+          opacity, box-shadow, transform, filter, backdrop-filter,
+          -webkit-backdrop-filter;
+        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
+        transition-duration: 150ms;
+      }
+      .list-item-link svg:last-child {
+        height: 1rem;
+        transition-property: all;
+        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
+        transition-duration: 150ms;
+        width: 1rem;
+      }
+      .list-item-link:hover {
+        color: rgba(255, 255, 255, 1);
+        background-color: hsla(162, 47%, 50%, 1);
+      }
+      .list-item-link:hover > span {
+      }
+      .list-item-link:hover > span > span {
+        color: rgba(243, 244, 246, 1);
+      }
+      .list-item-link:hover svg:last-child {
+        transform: translateX(0.25rem);
+      }
+
+      #other-links {
+      }
+      .button-pill {
+        padding: 1.5rem 2rem;
+        transition-duration: 300ms;
+        transition-property: background-color, border-color, color, fill, stroke,
+          opacity, box-shadow, transform, filter, backdrop-filter,
+          -webkit-backdrop-filter;
+        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
+        align-items: center;
+        display: flex;
+      }
+      .button-pill svg {
+        transition-property: background-color, border-color, color, fill, stroke,
+          opacity, box-shadow, transform, filter, backdrop-filter,
+          -webkit-backdrop-filter;
+        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
+        transition-duration: 150ms;
+        flex-shrink: 0;
+        width: 3rem;
+      }
+      .button-pill > span {
+        letter-spacing: -0.025em;
+        font-weight: 400;
+        font-size: 1.125rem;
+        line-height: 1.75rem;
+        padding-left: 1rem;
+        padding-right: 1rem;
+      }
+      .button-pill span span {
+        display: block;
+        font-size: 0.875rem;
+        font-weight: 300;
+        line-height: 1.25rem;
+      }
+      .button-pill:hover svg,
+      .button-pill:hover {
+        color: rgba(255, 255, 255, 1) !important;
+      }
+      #nx-console:hover {
+        background-color: rgba(0, 122, 204, 1);
+      }
+      #nx-console svg {
+        color: rgba(0, 122, 204, 1);
+      }
+
+      #nx-repo:hover {
+        background-color: rgba(24, 23, 23, 1);
+      }
+      #nx-repo svg {
+        color: rgba(24, 23, 23, 1);
+      }
+
+      #nx-cloud {
+        margin-bottom: 2rem;
+        margin-top: 2rem;
+        padding: 2.5rem 2rem;
+      }
+      #nx-cloud > div {
+        align-items: center;
+        display: flex;
+      }
+      #nx-cloud > div svg {
+        border-radius: 0.375rem;
+        flex-shrink: 0;
+        width: 3rem;
+      }
+      #nx-cloud > div h2 {
+        font-size: 1.125rem;
+        font-weight: 400;
+        letter-spacing: -0.025em;
+        line-height: 1.75rem;
+        padding-left: 1rem;
+        padding-right: 1rem;
+      }
+      #nx-cloud > div h2 span {
+        display: block;
+        font-size: 0.875rem;
+        font-weight: 300;
+        line-height: 1.25rem;
+      }
+      #nx-cloud p {
+        font-size: 1rem;
+        line-height: 1.5rem;
+        margin-top: 1rem;
+      }
+      #nx-cloud pre {
+        margin-top: 1rem;
+      }
+      #nx-cloud a {
+        color: rgba(107, 114, 128, 1);
+        display: block;
+        font-size: 0.875rem;
+        line-height: 1.25rem;
+        margin-top: 1.5rem;
+        text-align: right;
+      }
+      #nx-cloud a:hover {
+        text-decoration: underline;
+      }
+
+      #commands {
+        padding: 2.5rem 2rem;
+
+        margin-top: 3.5rem;
+      }
+      #commands h2 {
+        font-size: 1.25rem;
+        font-weight: 400;
+        letter-spacing: -0.025em;
+        line-height: 1.75rem;
+        padding-left: 1rem;
+        padding-right: 1rem;
+      }
+      #commands p {
+        font-size: 1rem;
+        font-weight: 300;
+        line-height: 1.5rem;
+        margin-top: 1rem;
+        padding-left: 1rem;
+        padding-right: 1rem;
+      }
+      details {
+        align-items: center;
+        display: flex;
+        margin-top: 1rem;
+        padding-left: 1rem;
+        padding-right: 1rem;
+        width: 100%;
+      }
+      details pre > span {
+        color: rgba(181, 181, 181, 1);
+      }
+      summary {
+        border-radius: 0.5rem;
+        display: flex;
+        font-weight: 400;
+        padding: 0.5rem;
+        cursor: pointer;
+        transition-property: background-color, border-color, color, fill, stroke,
+          opacity, box-shadow, transform, filter, backdrop-filter,
+          -webkit-backdrop-filter;
+        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
+        transition-duration: 150ms;
+      }
+      summary:hover {
+        background-color: rgba(243, 244, 246, 1);
+      }
+      summary svg {
+        height: 1.5rem;
+        margin-right: 1rem;
+        width: 1.5rem;
+      }
+
+      #love {
+        color: rgba(107, 114, 128, 1);
+        font-size: 0.875rem;
+        line-height: 1.25rem;
+        margin-top: 3.5rem;
+        opacity: 0.6;
+        text-align: center;
+      }
+      #love svg {
+        color: rgba(252, 165, 165, 1);
+        width: 1.25rem;
+        height: 1.25rem;
+        display: inline;
+        margin-top: -0.25rem;
+      }
+
+      @media screen and (min-width: 768px) {
+        #hero {
+          grid-template-columns: repeat(2, minmax(0, 1fr));
+        }
+        #hero .logo-container {
+          display: flex;
+        }
+        #middle-content {
+          grid-template-columns: repeat(2, minmax(0, 1fr));
+        }
+      }
+    </style>
+    <div class="wrapper">
+      <div class="container">
+        <!--  WELCOME  -->
+        <div id="welcome">
+          <h1>
+            <span> Hello there, </span>
+            Welcome testing-input-output 👋
+          </h1>
+        </div>
+
+        <!--  HERO  -->
+        <div id="hero" class="rounded">
+          <div class="text-container">
+            <h2>
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M9 12l2 2 4-4M7.835 4.697a3.42 3.42 0 001.946-.806 3.42 3.42 0 014.438 0 3.42 3.42 0 001.946.806 3.42 3.42 0 013.138 3.138 3.42 3.42 0 00.806 1.946 3.42 3.42 0 010 4.438 3.42 3.42 0 00-.806 1.946 3.42 3.42 0 01-3.138 3.138 3.42 3.42 0 00-1.946.806 3.42 3.42 0 01-4.438 0 3.42 3.42 0 00-1.946-.806 3.42 3.42 0 01-3.138-3.138 3.42 3.42 0 00-.806-1.946 3.42 3.42 0 010-4.438 3.42 3.42 0 00.806-1.946 3.42 3.42 0 013.138-3.138z" />
+              </svg>
+              <span>You&apos;re up and running</span>
+            </h2>
+            <a href="#commands"> What&apos;s next? </a>
+          </div>
+          <div class="logo-container">
+            <svg
+              fill="currentColor"
+              role="img"
+              viewBox="0 0 24 24"
+              xmlns="http://www.w3.org/2000/svg">
+              <path
+                d="M11.987 14.138l-3.132 4.923-5.193-8.427-.012 8.822H0V4.544h3.691l5.247 8.833.005-3.998 3.044 4.759zm.601-5.761c.024-.048 0-3.784.008-3.833h-3.65c.002.059-.005 3.776-.003 3.833h3.645zm5.634 4.134a2.061 2.061 0 0 0-1.969 1.336 1.963 1.963 0 0 1 2.343-.739c.396.161.917.422 1.33.283a2.1 2.1 0 0 0-1.704-.88zm3.39 1.061c-.375-.13-.8-.277-1.109-.681-.06-.08-.116-.17-.176-.265a2.143 2.143 0 0 0-.533-.642c-.294-.216-.68-.322-1.18-.322a2.482 2.482 0 0 0-2.294 1.536 2.325 2.325 0 0 1 4.002.388.75.75 0 0 0 .836.334c.493-.105.46.36 1.203.518v-.133c-.003-.446-.246-.55-.75-.733zm2.024 1.266a.723.723 0 0 0 .347-.638c-.01-2.957-2.41-5.487-5.37-5.487a5.364 5.364 0 0 0-4.487 2.418c-.01-.026-1.522-2.39-1.538-2.418H8.943l3.463 5.423-3.379 5.32h3.54l1.54-2.366 1.568 2.366h3.541l-3.21-5.052a.7.7 0 0 1-.084-.32 2.69 2.69 0 0 1 2.69-2.691h.001c1.488 0 1.736.89 2.057 1.308.634.826 1.9.464 1.9 1.541a.707.707 0 0 0 1.066.596zm.35.133c-.173.372-.56.338-.755.639-.176.271.114.412.114.412s.337.156.538-.311c.104-.231.14-.488.103-.74z" />
+            </svg>
+          </div>
+        </div>
+
+        <!--  MIDDLE CONTENT  -->
+        <div id="middle-content">
+          <div id="learning-materials" class="rounded shadow">
+            <h2>Learning materials</h2>
+            <a
+              href="https://nx.dev/getting-started/intro?utm_source=nx-project"
+              target="_blank"
+              rel="noreferrer"
+              class="list-item-link">
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253" />
+              </svg>
+              <span>
+                Documentation
+                <span> Everything is in there </span>
+              </span>
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M9 5l7 7-7 7" />
+              </svg>
+            </a>
+            <a
+              href="https://blog.nrwl.io/?utm_source=nx-project"
+              target="_blank"
+              rel="noreferrer"
+              class="list-item-link">
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M19 20H5a2 2 0 01-2-2V6a2 2 0 012-2h10a2 2 0 012 2v1m2 13a2 2 0 01-2-2V7m2 13a2 2 0 002-2V9a2 2 0 00-2-2h-2m-4-3H9M7 16h6M7 8h6v4H7V8z" />
+              </svg>
+              <span>
+                Blog
+                <span> Changelog, features & events </span>
+              </span>
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M9 5l7 7-7 7" />
+              </svg>
+            </a>
+            <a
+              href="https://www.youtube.com/@NxDevtools/videos?utm_source=nx-project&sub_confirmation=1"
+              target="_blank"
+              rel="noreferrer"
+              class="list-item-link">
+              <svg
+                role="img"
+                viewBox="0 0 24 24"
+                fill="currentColor"
+                xmlns="http://www.w3.org/2000/svg">
+                <title>YouTube</title>
+                <path
+                  d="M23.498 6.186a3.016 3.016 0 0 0-2.122-2.136C19.505 3.545 12 3.545 12 3.545s-7.505 0-9.377.505A3.017 3.017 0 0 0 .502 6.186C0 8.07 0 12 0 12s0 3.93.502 5.814a3.016 3.016 0 0 0 2.122 2.136c1.871.505 9.376.505 9.376.505s7.505 0 9.377-.505a3.015 3.015 0 0 0 2.122-2.136C24 15.93 24 12 24 12s0-3.93-.502-5.814zM9.545 15.568V8.432L15.818 12l-6.273 3.568z" />
+              </svg>
+              <span>
+                YouTube channel
+                <span> Nx Show, talks & tutorials </span>
+              </span>
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M9 5l7 7-7 7" />
+              </svg>
+            </a>
+            <a
+              href="https://nx.dev/angular-tutorial/1-code-generation?utm_source=nx-project"
+              target="_blank"
+              rel="noreferrer"
+              class="list-item-link">
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M15 15l-2 5L9 9l11 4-5 2zm0 0l5 5M7.188 2.239l.777 2.897M5.136 7.965l-2.898-.777M13.95 4.05l-2.122 2.122m-5.657 5.656l-2.12 2.122" />
+              </svg>
+              <span>
+                Interactive tutorials
+                <span> Create an app, step-by-step </span>
+              </span>
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M9 5l7 7-7 7" />
+              </svg>
+            </a>
+            <a
+              href="https://nxplaybook.com/?utm_source=nx-project"
+              target="_blank"
+              rel="noreferrer"
+              class="list-item-link">
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path d="M12 14l9-5-9-5-9 5 9 5z" />
+                <path
+                  d="M12 14l6.16-3.422a12.083 12.083 0 01.665 6.479A11.952 11.952 0 0012 20.055a11.952 11.952 0 00-6.824-2.998 12.078 12.078 0 01.665-6.479L12 14z" />
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M12 14l9-5-9-5-9 5 9 5zm0 0l6.16-3.422a12.083 12.083 0 01.665 6.479A11.952 11.952 0 0012 20.055a11.952 11.952 0 00-6.824-2.998 12.078 12.078 0 01.665-6.479L12 14zm-4 6v-7.5l4-2.222" />
+              </svg>
+              <span>
+                Video courses
+                <span> Nx custom courses </span>
+              </span>
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M9 5l7 7-7 7" />
+              </svg>
+            </a>
+          </div>
+          <div id="other-links">
+            <a
+              id="nx-console"
+              class="button-pill rounded shadow"
+              href="https://marketplace.visualstudio.com/items?itemName=nrwl.angular-console&utm_source=nx-project"
+              target="_blank"
+              rel="noreferrer">
+              <svg
+                fill="currentColor"
+                role="img"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <title>Visual Studio Code</title>
+                <path
+                  d="M23.15 2.587L18.21.21a1.494 1.494 0 0 0-1.705.29l-9.46 8.63-4.12-3.128a.999.999 0 0 0-1.276.057L.327 7.261A1 1 0 0 0 .326 8.74L3.899 12 .326 15.26a1 1 0 0 0 .001 1.479L1.65 17.94a.999.999 0 0 0 1.276.057l4.12-3.128 9.46 8.63a1.492 1.492 0 0 0 1.704.29l4.942-2.377A1.5 1.5 0 0 0 24 20.06V3.939a1.5 1.5 0 0 0-.85-1.352zm-5.146 14.861L10.826 12l7.178-5.448v10.896z" />
+              </svg>
+              <span>
+                Install Nx Console
+                <span>Plugin for VSCode</span>
+              </span>
+            </a>
+            <div id="nx-cloud" class="rounded shadow">
+              <div>
+                <svg
+                  viewBox="0 0 120 120"
+                  fill="none"
+                  xmlns="http://www.w3.org/2000/svg">
+                  <path
+                    d="M120 15V30C103.44 30 90 43.44 90 60C90 76.56 76.56 90 60 90C43.44 90 30 103.44 30 120H15C6.72 120 0 113.28 0 105V15C0 6.72 6.72 0 15 0H105C113.28 0 120 6.72 120 15Z"
+                    fill="#0E2039" />
+                  <path
+                    d="M120 30V105C120 113.28 113.28 120 105 120H30C30 103.44 43.44 90 60 90C76.56 90 90 76.56 90 60C90 43.44 103.44 30 120 30Z"
+                    fill="white" />
+                </svg>
+                <h2>
+                  NxCloud
+                  <span> Enable faster CI & better DX </span>
+                </h2>
+              </div>
+              <p>
+                You can activate distributed tasks executions and caching by
+                running:
+              </p>
+              <pre>nx connect-to-nx-cloud</pre>
+              <a
+                href="https://nx.app/?utm_source=nx-project"
+                target="_blank"
+                rel="noreferrer">
+                What is Nx Cloud?
+              </a>
+            </div>
+            <a
+              id="nx-repo"
+              class="button-pill rounded shadow"
+              href="https://github.com/nrwl/nx?utm_source=nx-project"
+              target="_blank"
+              rel="noreferrer">
+              <svg
+                fill="currentColor"
+                role="img"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  d="M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12" />
+              </svg>
+              <span>
+                Nx is open source
+                <span> Love Nx? Give us a star! </span>
+              </span>
+            </a>
+          </div>
+        </div>
+
+        <!--  COMMANDS  -->
+        <div id="commands" class="rounded shadow">
+          <h2>Next steps</h2>
+          <p>Here are some things you can do with Nx:</p>
+          <details>
+            <summary>
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M8 9l3 3-3 3m5 0h3M5 20h14a2 2 0 002-2V6a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z" />
+              </svg>
+              Add UI library
+            </summary>
+            <pre><span># Generate UI lib</span>
+nx g @nrwl/angular:lib ui
+
+<span># Add a component</span>
+nx g @nrwl/angular:component button --project ui</pre>
+          </details>
+          <details>
+            <summary>
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M8 9l3 3-3 3m5 0h3M5 20h14a2 2 0 002-2V6a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z" />
+              </svg>
+              View interactive project graph
+            </summary>
+            <pre>nx graph</pre>
+          </details>
+          <details>
+            <summary>
+              <svg
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+                xmlns="http://www.w3.org/2000/svg">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="2"
+                  d="M8 9l3 3-3 3m5 0h3M5 20h14a2 2 0 002-2V6a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z" />
+              </svg>
+              Run affected commands
+            </summary>
+            <pre><span># see what&apos;s been affected by changes</span>
+nx affected:graph
+
+<span># run tests for current changes</span>
+nx affected:test
+
+<span># run e2e tests for current changes</span>
+nx affected:e2e</pre>
+          </details>
+        </div>
+
+        <p id="love">
+          Carefully crafted with
+          <svg
+            fill="currentColor"
+            stroke="none"
+            viewBox="0 0 24 24"
+            xmlns="http://www.w3.org/2000/svg">
+            <path
+              stroke-linecap="round"
+              stroke-linejoin="round"
+              stroke-width="2"
+              d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z" />
+          </svg>
+        </p>
+      </div>
+    </div>
+  `,
+  styles: [],
+  encapsulation: ViewEncapsulation.None,
+})
+export class NxWelcomeComponent {}

apps/testing-input-output/src/index.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>TestingInputOutput</title>
+    <base href="/" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+  </head>
+  <body>
+    <app-root></app-root>
+  </body>
+</html>

apps/testing-input-output/src/main.ts

@@ -0,0 +1,4 @@
+import { bootstrapApplication } from '@angular/platform-browser';
+import { AppComponent } from './app/app.component';
+
+bootstrapApplication(AppComponent).catch((err) => console.error(err));

apps/testing-input-output/src/styles.scss

@@ -0,0 +1 @@
+/* You can add global styles to this file, and also import other style files */

apps/testing-input-output/src/test-setup.ts

@@ -0,0 +1,2 @@
+import '@testing-library/jest-dom';
+import 'jest-preset-angular/setup-jest';

apps/testing-input-output/tsconfig.app.json

@@ -0,0 +1,20 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": []
+  },
+  "files": ["src/main.ts"],
+  "include": ["src/**/*.d.ts"],
+  "exclude": [
+    "jest.config.ts",
+    "src/**/*.test.ts",
+    "src/**/*.spec.ts",
+    "cypress/**/*",
+    "cypress.config.ts",
+    "**/*.cy.ts",
+    "**/*.cy.js",
+    "**/*.cy.tsx",
+    "**/*.cy.jsx"
+  ]
+}

apps/testing-input-output/tsconfig.editor.json

@@ -0,0 +1,7 @@
+{
+  "extends": "./tsconfig.json",
+  "include": ["src/**/*.ts"],
+  "compilerOptions": {
+    "types": ["jest", "node"]
+  }
+}

apps/testing-input-output/tsconfig.json

@@ -0,0 +1,35 @@
+{
+  "compilerOptions": {
+    "target": "es2022",
+    "useDefineForClassFields": false,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "noImplicitOverride": true,
+    "noPropertyAccessFromIndexSignature": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true
+  },
+  "files": [],
+  "include": [],
+  "references": [
+    {
+      "path": "./tsconfig.app.json"
+    },
+    {
+      "path": "./tsconfig.spec.json"
+    },
+    {
+      "path": "./tsconfig.editor.json"
+    },
+    {
+      "path": "./cypress/tsconfig.cy.json"
+    }
+  ],
+  "extends": "../../tsconfig.base.json",
+  "angularCompilerOptions": {
+    "enableI18nLegacyMessageIdFormat": false,
+    "strictInjectionParameters": true,
+    "strictInputAccessModifiers": true,
+    "strictTemplates": true
+  }
+}

apps/testing-input-output/tsconfig.spec.json

@@ -0,0 +1,15 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "module": "commonjs",
+    "types": ["jest", "node", "@testing-library/jest-dom"]
+  },
+  "files": ["src/test-setup.ts"],
+  "include": [
+    "jest.config.ts",
+    "src/**/*.test.ts",
+    "src/**/*.spec.ts",
+    "src/**/*.d.ts"
+  ]
+}

apps/testing-nested/.eslintrc.json

@@ -0,0 +1,19 @@
+{
+  "extends": ["../../.eslintrc.json"],
+  "ignorePatterns": ["!**/*"],
+  "overrides": [
+    {
+      "files": ["*.ts"],
+      "rules": {},
+      "extends": [
+        "plugin:@nrwl/nx/angular",
+        "plugin:@angular-eslint/template/process-inline-templates"
+      ]
+    },
+    {
+      "files": ["*.html"],
+      "extends": ["plugin:@nrwl/nx/angular-template"],
+      "rules": {}
+    }
+  ]
+}

apps/testing-nested/README.md

@@ -0,0 +1,36 @@
+<h1>Nested component testing</h1>
+
+> Author: Thomas Laforge
+
+### Statement:
+
+We have a small application that send a title to a fake backend that you type inside a input.
+If the title is correctly typed, you can send the request otherwise you get a nice error and the request is not sent.
+You can play with it by running : `npx nx serve testing-nested`.
+
+The goal is to test this behavior with Testing library and Cypress
+
+The file named `child.component.spec.ts` will let test your application using Testing Library. To run the test suits, you need to run `npx nx test testing-nested`. You can also install [Jest Runner](https://marketplace.visualstudio.com/items?itemName=firsttris.vscode-jest-runner) to execute your test by clicking on the `Run` button above each `describe` or `it` blocks.
+
+For testing cypress, you will execute your test inside the `child.component.cy.ts` and run `npx nx component-test testing-nested` to execute your test suits. You can add the `--watch` flag to execute your test in watch mode.
+
+I created some `it` blocks but feel free to add more test if you like to.
+
+### Submitting your work
+
+1. Fork the project
+2. clone it
+3. npm install
+4. `npx nx serve testing-nested` to play with the application
+5. `npx nx test testing-nested` to test your application with Testing Library
+6. `npx nx component-test testing-nested --watch` to test your application with Cypress
+7. _...work on it_
+8. Commit your work
+9. Submit a PR with a title beginning with **Answer:18** that I will review and other dev can review.
+
+<a href="https://github.com/tomalaforge/angular-challenges/pulls?q=label%3A18+label%3Aanswer"><img src="https://img.shields.io/badge/-Solutions-green" alt="nested testing"/></a>
+
+<!-- <a href='https://github.com/tomalaforge/angular-challenges/pulls?q=label%3A18+label%3A"answer+author"'><img src="https://img.shields.io/badge/-Author solution-important" alt="nested testing solution author"/></a>
+<a href="{Blog post url}" target="_blank" rel="noopener noreferrer"><img src="https://img.shields.io/badge/-Blog post explanation-blue" alt="nested testing blog article"/></a> -->
+
+_You can ask any question on_ <a href="https://twitter.com/laforge_toma" target="_blank" rel="noopener noreferrer"><img src="./../../logo/twitter.svg" height=20px alt="twitter"/></a>

apps/testing-nested/cypress.config.ts

@@ -0,0 +1,6 @@
+import { defineConfig } from 'cypress';
+import { nxComponentTestingPreset } from '@nrwl/angular/plugins/component-testing';
+
+export default defineConfig({
+  component: nxComponentTestingPreset(__filename),
+});

apps/testing-nested/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"
+}

apps/testing-nested/cypress/support/commands.ts

@@ -0,0 +1,42 @@
+/// <reference types="cypress" />
+import { mount } from 'cypress/angular';
+
+// ***********************************************
+// This example commands.ts 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
+// ***********************************************
+
+declare global {
+  // eslint-disable-next-line @typescript-eslint/no-namespace
+  namespace Cypress {
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    interface Chainable<Subject> {
+      login(email: string, password: string): void;
+      mount: typeof mount;
+    }
+  }
+}
+
+Cypress.Commands.add('mount', mount);
+
+//
+// -- This is a parent command --
+Cypress.Commands.add('login', (email, password) => {
+  console.log('Custom command example: 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) => { ... })

apps/testing-nested/cypress/support/component-index.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width,initial-scale=1.0">
+  <title>testing-nested Components App</title>
+
+</head>
+<body>
+  <div data-cy-root></div>
+</body>
+</html>

apps/testing-nested/cypress/support/component.ts

@@ -0,0 +1,17 @@
+// ***********************************************************
+// This example support/component.ts 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.ts using ES2015 syntax:
+import './commands';

apps/testing-nested/cypress/tsconfig.cy.json

@@ -0,0 +1,17 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../../dist/out-tsc",
+    "module": "commonjs",
+    "types": ["cypress", "node"]
+  },
+  "include": [
+    "support/**/*.ts",
+    "../cypress.config.ts",
+    "../**/*.cy.ts",
+    "../**/*.cy.tsx",
+    "../**/*.cy.js",
+    "../**/*.cy.jsx",
+    "../**/*.d.ts"
+  ]
+}

apps/testing-nested/jest.config.ts

@@ -0,0 +1,22 @@
+/* eslint-disable */
+export default {
+  displayName: 'testing-nested',
+  preset: '../../jest.preset.js',
+  setupFilesAfterEnv: ['<rootDir>/src/test-setup.ts'],
+  coverageDirectory: '../../coverage/apps/testing-nested',
+  transform: {
+    '^.+\\.(ts|mjs|js|html)$': [
+      'jest-preset-angular',
+      {
+        tsconfig: '<rootDir>/tsconfig.spec.json',
+        stringifyContentPathRegex: '\\.(html|svg)$',
+      },
+    ],
+  },
+  transformIgnorePatterns: ['node_modules/(?!.*\\.mjs$)'],
+  snapshotSerializers: [
+    'jest-preset-angular/build/serializers/no-ng-attributes',
+    'jest-preset-angular/build/serializers/ng-snapshot',
+    'jest-preset-angular/build/serializers/html-comment',
+  ],
+};

apps/testing-nested/project.json

@@ -0,0 +1,105 @@
+{
+  "name": "testing-nested",
+  "$schema": "../node_modules/nx/schemas/project-schema.json",
+  "projectType": "application",
+  "sourceRoot": "apps/testing-nested/src",
+  "prefix": "app",
+  "targets": {
+    "build": {
+      "executor": "@angular-devkit/build-angular:browser",
+      "outputs": ["{options.outputPath}"],
+      "options": {
+        "outputPath": "dist/apps/testing-nested",
+        "index": "apps/testing-nested/src/index.html",
+        "main": "apps/testing-nested/src/main.ts",
+        "polyfills": ["zone.js"],
+        "tsConfig": "apps/testing-nested/tsconfig.app.json",
+        "inlineStyleLanguage": "scss",
+        "assets": [
+          "apps/testing-nested/src/favicon.ico",
+          "apps/testing-nested/src/assets"
+        ],
+        "styles": ["apps/testing-nested/src/styles.scss"],
+        "scripts": []
+      },
+      "configurations": {
+        "production": {
+          "budgets": [
+            {
+              "type": "initial",
+              "maximumWarning": "500kb",
+              "maximumError": "1mb"
+            },
+            {
+              "type": "anyComponentStyle",
+              "maximumWarning": "2kb",
+              "maximumError": "4kb"
+            }
+          ],
+          "outputHashing": "all"
+        },
+        "development": {
+          "buildOptimizer": false,
+          "optimization": false,
+          "vendorChunk": true,
+          "extractLicenses": false,
+          "sourceMap": true,
+          "namedChunks": true
+        }
+      },
+      "defaultConfiguration": "production"
+    },
+    "serve": {
+      "executor": "@angular-devkit/build-angular:dev-server",
+      "configurations": {
+        "production": {
+          "browserTarget": "testing-nested:build:production"
+        },
+        "development": {
+          "browserTarget": "testing-nested:build:development"
+        }
+      },
+      "defaultConfiguration": "development"
+    },
+    "extract-i18n": {
+      "executor": "@angular-devkit/build-angular:extract-i18n",
+      "options": {
+        "browserTarget": "testing-nested:build"
+      }
+    },
+    "lint": {
+      "executor": "@nrwl/linter:eslint",
+      "outputs": ["{options.outputFile}"],
+      "options": {
+        "lintFilePatterns": [
+          "apps/testing-nested/**/*.ts",
+          "apps/testing-nested/**/*.html"
+        ]
+      }
+    },
+    "test": {
+      "executor": "@nrwl/jest:jest",
+      "outputs": ["{workspaceRoot}/coverage/{projectRoot}"],
+      "options": {
+        "jestConfig": "apps/testing-nested/jest.config.ts",
+        "passWithNoTests": true
+      },
+      "configurations": {
+        "ci": {
+          "ci": true,
+          "codeCoverage": true
+        }
+      }
+    },
+    "component-test": {
+      "executor": "@nrwl/cypress:cypress",
+      "options": {
+        "cypressConfig": "apps/testing-nested/cypress.config.ts",
+        "testingType": "component",
+        "skipServe": true,
+        "devServerTarget": "testing-nested:build"
+      }
+    }
+  },
+  "tags": []
+}

apps/testing-nested/src/app/app.component.ts

@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+import { ChildComponent } from './child.component';
+
+@Component({
+  standalone: true,
+  imports: [ChildComponent],
+  selector: 'app-root',
+  template: ` <app-child></app-child> `,
+})
+export class AppComponent {}

apps/testing-nested/src/app/child.component.cy.ts

@@ -0,0 +1,15 @@
+import { ChildComponent } from './child.component';
+
+describe(ChildComponent.name, () => {
+  const setup = () => {
+    cy.mount(ChildComponent);
+  };
+
+  test('add Good title and send request title with no error', () => {
+    setup();
+  });
+
+  test('fail validating title because no title were typed', () => {
+    setup();
+  });
+});

apps/testing-nested/src/app/child.component.spec.ts

@@ -0,0 +1,12 @@
+import { render } from '@testing-library/angular';
+import { ChildComponent } from './child.component';
+
+describe('ChildComponent', () => {
+  test('add Good title and send request title with no error', async () => {
+    await render(ChildComponent);
+  });
+
+  test('fail validating title because no title were typed', async () => {
+    await render(ChildComponent);
+  });
+});

apps/testing-nested/src/app/child.component.ts

@@ -0,0 +1,86 @@
+import { NgIf } from '@angular/common';
+import {
+  ChangeDetectionStrategy,
+  Component,
+  EventEmitter,
+  Input,
+  Output,
+  inject,
+} from '@angular/core';
+import { FormControl, ReactiveFormsModule } from '@angular/forms';
+import { HttpService } from './http.service';
+
+@Component({
+  selector: 'app-input',
+  standalone: true,
+  imports: [ReactiveFormsModule],
+  template: ` <input type="text" [formControl]="title" /> `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class InputComponent {
+  title = new FormControl('', { nonNullable: true });
+}
+
+@Component({
+  selector: 'result',
+  standalone: true,
+  template: ` <p>Title is {{ title }}</p> `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ResultComponent {
+  @Input() title = '';
+}
+
+@Component({
+  selector: 'app-button',
+  standalone: true,
+  template: `<button (click)="validate.emit()">Validate</button>`,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ButtonComponent {
+  @Output() validate = new EventEmitter();
+}
+
+@Component({
+  selector: 'app-error',
+  standalone: true,
+  template: `<p>Title is required !!!</p>`,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ErrorComponent {
+  @Output() validate = new EventEmitter();
+}
+
+@Component({
+  selector: 'app-child',
+  standalone: true,
+  imports: [
+    ResultComponent,
+    ButtonComponent,
+    InputComponent,
+    ErrorComponent,
+    NgIf,
+  ],
+  template: `
+    <app-input #input></app-input>
+    <result [title]="input.title.value"></result>
+    <app-button (validate)="submit(input.title.value)"></app-button>
+    <app-error *ngIf="showError"></app-error>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ChildComponent {
+  http = inject(HttpService);
+
+  showError = false;
+
+  submit(title: string) {
+    this.showError = false;
+    if (title === '') {
+      this.showError = true;
+      return;
+    }
+
+    this.http.sendTitle(title);
+  }
+}

apps/testing-nested/src/app/http.service.ts

@@ -0,0 +1,8 @@
+import { Injectable } from '@angular/core';
+
+@Injectable({ providedIn: 'root' })
+export class HttpService {
+  sendTitle(title: string) {
+    console.log(`${title} has been sent !!!`);
+  }
+}

apps/testing-nested/src/index.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>TestingNested</title>
+    <base href="/" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+  </head>
+  <body>
+    <app-root></app-root>
+  </body>
+</html>

apps/testing-nested/src/main.ts

@@ -0,0 +1,4 @@
+import { bootstrapApplication } from '@angular/platform-browser';
+import { AppComponent } from './app/app.component';
+
+bootstrapApplication(AppComponent).catch((err) => console.error(err));

apps/testing-nested/src/styles.scss

@@ -0,0 +1 @@
+/* You can add global styles to this file, and also import other style files */

apps/testing-nested/src/test-setup.ts

@@ -0,0 +1,2 @@
+import '@testing-library/jest-dom';
+import 'jest-preset-angular/setup-jest';

apps/testing-nested/tsconfig.app.json

@@ -0,0 +1,20 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": []
+  },
+  "files": ["src/main.ts"],
+  "include": ["src/**/*.d.ts"],
+  "exclude": [
+    "jest.config.ts",
+    "src/**/*.test.ts",
+    "src/**/*.spec.ts",
+    "cypress/**/*",
+    "cypress.config.ts",
+    "**/*.cy.ts",
+    "**/*.cy.js",
+    "**/*.cy.tsx",
+    "**/*.cy.jsx"
+  ]
+}

apps/testing-nested/tsconfig.editor.json

@@ -0,0 +1,7 @@
+{
+  "extends": "./tsconfig.json",
+  "include": ["src/**/*.ts"],
+  "compilerOptions": {
+    "types": ["jest", "node"]
+  }
+}

apps/testing-nested/tsconfig.json

@@ -0,0 +1,35 @@
+{
+  "compilerOptions": {
+    "target": "es2022",
+    "useDefineForClassFields": false,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "noImplicitOverride": true,
+    "noPropertyAccessFromIndexSignature": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true
+  },
+  "files": [],
+  "include": [],
+  "references": [
+    {
+      "path": "./tsconfig.app.json"
+    },
+    {
+      "path": "./tsconfig.spec.json"
+    },
+    {
+      "path": "./tsconfig.editor.json"
+    },
+    {
+      "path": "./cypress/tsconfig.cy.json"
+    }
+  ],
+  "extends": "../../tsconfig.base.json",
+  "angularCompilerOptions": {
+    "enableI18nLegacyMessageIdFormat": false,
+    "strictInjectionParameters": true,
+    "strictInputAccessModifiers": true,
+    "strictTemplates": true
+  }
+}

apps/testing-nested/tsconfig.spec.json

@@ -0,0 +1,15 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "module": "commonjs",
+    "types": ["jest", "node", "@testing-library/jest-dom"]
+  },
+  "files": ["src/test-setup.ts"],
+  "include": [
+    "jest.config.ts",
+    "src/**/*.test.ts",
+    "src/**/*.spec.ts",
+    "src/**/*.d.ts"
+  ]
+}