test(bazel): Make sure CLI project created with Bazel works with original workflow (#27741)

Bazel bits added to a CLI project should not be destructive.
The project should still work under the original CLI workflow.

PR Close #27741

integration/bazel-schematics/angular.json.original

@@ -0,0 +1,135 @@
+{
+  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+  "version": 1,
+  "newProjectRoot": "projects",
+  "projects": {
+    "demo": {
+      "root": "",
+      "sourceRoot": "src",
+      "projectType": "application",
+      "prefix": "app",
+      "schematics": {},
+      "architect": {
+        "build": {
+          "builder": "@angular-devkit/build-angular:browser",
+          "options": {
+            "outputPath": "dist/demo",
+            "index": "src/index.html",
+            "main": "src/main.ts",
+            "polyfills": "src/polyfills.ts",
+            "tsConfig": "src/tsconfig.app.json",
+            "assets": [
+              "src/favicon.ico",
+              "src/assets"
+            ],
+            "styles": [
+              "src/styles.css"
+            ],
+            "scripts": []
+          },
+          "configurations": {
+            "production": {
+              "fileReplacements": [
+                {
+                  "replace": "src/environments/environment.ts",
+                  "with": "src/environments/environment.prod.ts"
+                }
+              ],
+              "optimization": true,
+              "outputHashing": "all",
+              "sourceMap": false,
+              "extractCss": true,
+              "namedChunks": false,
+              "aot": true,
+              "extractLicenses": true,
+              "vendorChunk": false,
+              "buildOptimizer": true,
+              "budgets": [
+                {
+                  "type": "initial",
+                  "maximumWarning": "2mb",
+                  "maximumError": "5mb"
+                }
+              ]
+            }
+          }
+        },
+        "serve": {
+          "builder": "@angular-devkit/build-angular:dev-server",
+          "options": {
+            "browserTarget": "demo:build"
+          },
+          "configurations": {
+            "production": {
+              "browserTarget": "demo:build:production"
+            }
+          }
+        },
+        "extract-i18n": {
+          "builder": "@angular-devkit/build-angular:extract-i18n",
+          "options": {
+            "browserTarget": "demo:build"
+          }
+        },
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "main": "src/test.ts",
+            "polyfills": "src/polyfills.ts",
+            "tsConfig": "src/tsconfig.spec.json",
+            "karmaConfig": "src/karma.conf.js",
+            "styles": [
+              "src/styles.css"
+            ],
+            "scripts": [],
+            "assets": [
+              "src/favicon.ico",
+              "src/assets"
+            ]
+          }
+        },
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": [
+              "src/tsconfig.app.json",
+              "src/tsconfig.spec.json"
+            ],
+            "exclude": [
+              "**/node_modules/**"
+            ]
+          }
+        }
+      }
+    },
+    "demo-e2e": {
+      "root": "e2e/",
+      "projectType": "application",
+      "prefix": "",
+      "architect": {
+        "e2e": {
+          "builder": "@angular-devkit/build-angular:protractor",
+          "options": {
+            "protractorConfig": "e2e/protractor.conf.js",
+            "devServerTarget": "demo:serve"
+          },
+          "configurations": {
+            "production": {
+              "devServerTarget": "demo:serve:production"
+            }
+          }
+        },
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": "e2e/tsconfig.e2e.json",
+            "exclude": [
+              "**/node_modules/**"
+            ]
+          }
+        }
+      }
+    }
+  },
+  "defaultProject": "demo"
+}

integration/bazel-schematics/app.e2e-spec.ts

@@ -0,0 +1,20 @@
+import { AppPage } from './app.po';
+import { browser } from 'protractor';
+
+describe('workspace-project App', () => {
+  let page: AppPage;
+
+  beforeEach(() => {
+    page = new AppPage();
+  });
+
+  it('should display welcome message', () => {
+    page.navigateTo();
+    expect(page.getTitleText()).toEqual('Welcome to demo!');
+  });
+
+  afterEach(async () => {
+    const logs = await browser.manage().logs().get('browser');
+    expect(logs).toEqual([]);
+  });
+});

integration/bazel-schematics/index.html

@@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>Demo</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>

integration/bazel-schematics/test.sh

@@ -2,7 +2,7 @@
 
 set -eux -o pipefail
 
-function test() {
+function testBazel() {
   # Set up
   bazel version
   rm -rf demo
@@ -18,4 +18,20 @@ function test() {
   ng e2e
 }
 
-test
+function testNonBazel() {
+  # Replace angular.json that uses Bazel builder with the default generated by CLI
+  cp ../angular.json.original ./angular.json
+  # TODO(kyliau) Remove this once the additional assertion is added to CLI
+  cp ../app.e2e-spec.ts ./e2e/src/
+  # TODO(kyliau) Remove this once web_package rule is in use
+  cp ../index.html ./src/
+  rm -rf dist src/main.dev.ts src/main.prod.ts
+  # Just make a symlink instead of full yarn install to expose node_modules
+  ln -s $(bazel info output_base)/external/npm/node_modules node_modules
+  ng build
+  ng test --watch=false
+  ng e2e
+}
+
+testBazel
+testNonBazel