test: add Integration tests for hydration and event reply (angular#55708)

This commit introduces integration tests for hydration and event reply functionalities. Additionally, it implements a payload size check for the `event-dispatch-contract.min.js`.

PR Close angular#55708

Author: alan-agius4

.bazelignore

@@ -17,6 +17,7 @@ integration/cli-hello-world-ivy-i18n/node_modules
 integration/cli-hello-world-lazy/node_modules
 integration/cli-hello-world-mocha/node_modules
 integration/cli-signal-inputs/node_modules
+integration/platform-server-hydration/node_modules
 integration/defer/node_modules
 integration/dynamic-compiler/node_modules
 integration/forms/node_modules

goldens/size-tracking/integration-payloads.json

@@ -51,5 +51,12 @@
       "polyfills": 33807,
       "defer.component": 371
     }
+  },
+  "platform-server-hydration/browser": {
+    "uncompressed": {
+      "main": 200584,
+      "polyfills": 33807,
+      "event-dispatch-contract.min": 11293
+    }
   }
 }

integration/ng_elements/package.json

@@ -33,4 +33,4 @@
     "protractor": "protractor e2e/protractor.config.js"
   },
   "private": true
-}
+}

integration/platform-server-hydration/.gitignore

@@ -0,0 +1,46 @@
+# See http://help.github.com/ignore-files/ for more about ignoring files.
+
+# Compiled output
+/dist
+/tmp
+/out-tsc
+/bazel-out
+
+# Node
+/node_modules
+npm-debug.log
+yarn-error.log
+
+# IDEs and editors
+.idea/
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+
+*.sublime-workspace
+
+# Visual Studio Code
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.history/*
+
+# Miscellaneous
+/.angular/cache
+.sass-cache/
+/connect.lock
+/coverage
+/libpeerconnection.log
+testem.log
+/typings
+
+# System files
+.DS_Store
+Thumbs.db
+
+# event contract
+public/event-dispatch-contract.min.js

integration/platform-server-hydration/BUILD.bazel

@@ -0,0 +1,10 @@
+load("//integration:index.bzl", "ng_integration_test")
+
+ng_integration_test(
+    name = "test",
+    setup_chromium = True,
+    track_payload_paths = [
+        "/browser",
+    ],
+    track_payload_size = "platform-server-hydration",
+)

integration/platform-server-hydration/angular.json

@@ -0,0 +1,99 @@
+{
+  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+  "version": 1,
+  "newProjectRoot": "projects",
+  "cli": {
+    "analytics": false,
+    "cache": {
+      "enabled": false
+    }
+  },
+  "projects": {
+    "hydration": {
+      "projectType": "application",
+      "schematics": {},
+      "root": "",
+      "sourceRoot": "src",
+      "prefix": "app",
+      "architect": {
+        "build": {
+          "builder": "@angular-devkit/build-angular:application",
+          "options": {
+            "progress": false,
+            "outputPath": "dist",
+            "index": "src/index.html",
+            "browser": "src/main.ts",
+            "polyfills": ["zone.js"],
+            "tsConfig": "tsconfig.app.json",
+            "assets": [
+              {
+                "glob": "**/*",
+                "input": "public"
+              }
+            ],
+            "styles": ["src/styles.css"],
+            "scripts": [],
+            "server": "src/main.server.ts",
+            "prerender": false,
+            "ssr": true
+          },
+          "configurations": {
+            "production": {
+              "budgets": [
+                {
+                  "type": "initial",
+                  "maximumWarning": "500kb",
+                  "maximumError": "1mb"
+                },
+                {
+                  "type": "anyComponentStyle",
+                  "maximumWarning": "2kb",
+                  "maximumError": "4kb"
+                }
+              ],
+              "outputHashing": "all"
+            },
+            "development": {
+              "optimization": false,
+              "extractLicenses": false,
+              "sourceMap": true
+            }
+          },
+          "defaultConfiguration": "production"
+        },
+        "serve": {
+          "builder": "@angular-devkit/build-angular:dev-server",
+          "options": {
+            "port": 0
+          },
+          "configurations": {
+            "production": {
+              "buildTarget": "hydration:build:production"
+            },
+            "development": {
+              "buildTarget": "hydration:build:development"
+            }
+          },
+          "defaultConfiguration": "development"
+        },
+        "e2e": {
+          "builder": "@angular-devkit/build-angular:protractor",
+          "options": {
+            "port": 0,
+            "protractorConfig": "e2e/protractor.conf.js",
+            "webdriverUpdate": false
+          },
+          "configurations": {
+            "production": {
+              "devServerTarget": "hydration:serve:production"
+            },
+            "development": {
+              "devServerTarget": "hydration:serve:development"
+            }
+          },
+          "defaultConfiguration": "development"
+        }
+      }
+    }
+  }
+}

integration/platform-server-hydration/copy-event-dispatch-contract.mjs

@@ -0,0 +1,11 @@
+/**
+ * This script copies '@angular/core/event-dispatch-contract.min.js' to the 'public' directory, ensuring it's available as an asset.
+ * This is necessary to perform size checks on the distributed script.
+ */
+
+import {copyFileSync} from 'node:fs';
+
+copyFileSync(
+  './node_modules/@angular/core/event-dispatch-contract.min.js',
+  'public/event-dispatch-contract.min.js',
+);

integration/platform-server-hydration/e2e/protractor.conf.js

@@ -0,0 +1,42 @@
+// @ts-check
+// Protractor configuration file, see link for more information
+// https://github.com/angular/protractor/blob/master/lib/config.ts
+const {SpecReporter} = require('jasmine-spec-reporter');
+
+/**
+ * @type { import("protractor").Config }
+ */
+exports.config = {
+  allScriptsTimeout: 11000,
+  specs: ['./src/**/*.e2e-spec.ts'],
+  chromeDriver: process.env.CHROMEDRIVER_BIN,
+  capabilities: {
+    browserName: 'chrome',
+    chromeOptions: {
+      binary: process.env.CHROME_BIN,
+      // See /integration/README.md#browser-tests for more info on these args
+      args: [
+        '--no-sandbox',
+        '--headless',
+        '--disable-gpu',
+        '--disable-dev-shm-usage',
+        '--hide-scrollbars',
+        '--mute-audio',
+      ],
+    },
+  },
+  directConnect: true,
+  baseUrl: 'http://localhost:4200/',
+  framework: 'jasmine',
+  jasmineNodeOpts: {
+    showColors: true,
+    defaultTimeoutInterval: 30000,
+    print: function () {},
+  },
+  onPrepare() {
+    require('ts-node').register({
+      project: require('path').join(__dirname, './tsconfig.json'),
+    });
+    jasmine.getEnv().addReporter(new SpecReporter({spec: {displayStacktrace: true}}));
+  },
+};

integration/platform-server-hydration/e2e/src/app.e2e-spec.ts

@@ -0,0 +1,30 @@
+import {browser, by, element} from 'protractor';
+import {bootstrapClientApp, navigateTo, verifyNoBrowserErrors} from './util';
+
+describe('App E2E Tests', () => {
+  beforeEach(async () => {
+    // Don't wait for Angular since it is not bootstrapped automatically.
+    await browser.waitForAngularEnabled(false);
+
+    // Load the page without waiting for Angular since it is not bootstrapped automatically.
+    await navigateTo('');
+  });
+
+  afterEach(async () => {
+    // Make sure there were no client side errors.
+    await verifyNoBrowserErrors();
+  });
+
+  it('should reply click event', async () => {
+    const divElement = element(by.css('#divElement'));
+    expect(await divElement.getText()).toContain('click not triggered');
+
+    // Trigger click
+    await divElement.click();
+
+    // Bootstrap client application
+    await bootstrapClientApp();
+
+    expect(await divElement.getText()).toContain('click triggered');
+  });
+});

integration/platform-server-hydration/e2e/src/util.ts

@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+import * as webdriver from 'selenium-webdriver';
+import {browser} from 'protractor';
+
+export async function verifyNoBrowserErrors(): Promise<void> {
+  const browserLog = await browser.manage().logs().get('browser');
+  const errors: string[] = [];
+
+  for (const {message, level} of browserLog) {
+    console.log('>> ' + message);
+    if (level.value >= webdriver.logging.Level.INFO.value) {
+      errors.push(message);
+    }
+  }
+
+  expect(errors).toEqual([]);
+}
+
+export async function navigateTo(url: string): Promise<void> {
+  await browser.driver.get(browser.baseUrl + url);
+}
+
+export async function bootstrapClientApp(): Promise<void> {
+  await browser.executeScript('doBootstrap()');
+}