ci: update standalone preload script

Author: shadowusr

.github/workflows/standalone-e2e.yml

@@ -9,6 +9,7 @@ jobs:
         runs-on: ubuntu-latest
         env:
             DOCKER_IMAGE_NAME: html-reporter-browsers
+            INTEGRATION_BROWSER_VERSION: "138.0"
 
         strategy:
             matrix:
@@ -28,17 +29,21 @@ jobs:
               uses: actions/cache@v3
               with:
                   path: ~/.testplane
-                  key: ${{ runner.os }}-testplane-${{ matrix.browser }}
-                  restore-keys: |
-                      ${{ runner.os }}-testplane-${{ matrix.browser }}-
-                      ${{ runner.os }}-testplane-
+                  key: ${{ runner.os }}-testplane-browsers-${{ matrix.browser }}-${{ env.INTEGRATION_BROWSER_VERSION }}
 
             - name: Install dependencies
               run: npm ci
 
             - name: Build project
               run: npm run build
 
+            - name: Preload Chrome browser
+              if: ${{ matrix.browser == 'chrome' }}
+              timeout-minutes: 4
+              env:
+                  BROWSER: ${{ matrix.browser }}
+              run: TS_NODE_TRANSPILE_ONLY=1 node scripts/run-node-without-type-stripping.js -r ts-node/register scripts/preload-standalone-browser.ts
+
             - name: "Prepare screenshot tests: Cache browser docker image"
               if: ${{ matrix.browser == 'chrome' }}
               uses: actions/cache@v3

scripts/preload-standalone-browser.ts

@@ -0,0 +1,22 @@
+import { BrowserInstallStatus, installBrowsersWithDrivers } from "../src/browser-installer";
+import { BROWSER_NAME, BROWSER_VERSION } from "../test/integration/standalone/constants";
+
+async function preloadStandaloneBrowser(): Promise<void> {
+    const browser = { browserName: BROWSER_NAME, browserVersion: BROWSER_VERSION };
+    const resultByBrowser = await installBrowsersWithDrivers([browser]);
+    const browserTag = `${browser.browserName}@${browser.browserVersion}`;
+    const result = resultByBrowser[browserTag];
+
+    if (result?.status !== BrowserInstallStatus.Ok) {
+        const reason = result && "reason" in result ? `: ${result.reason}` : "";
+
+        throw new Error(`Failed to preload standalone browser ${browserTag}${reason}`);
+    }
+}
+
+(async (): Promise<void> => {
+    await preloadStandaloneBrowser();
+})().catch(err => {
+    console.error(err);
+    process.exitCode = 1;
+});

test/integration/standalone/constants.ts

@@ -1,11 +1,12 @@
 import _ from "lodash";
 
 export const BROWSER_NAME = (process.env.BROWSER || "chrome").toLowerCase();
+export const BROWSER_VERSION = process.env.INTEGRATION_BROWSER_VERSION || "138.0";
 
 export const BROWSER_CONFIG = {
     desiredCapabilities: {
         browserName: BROWSER_NAME,
-        browserVersion: "138.0",
+        browserVersion: BROWSER_VERSION,
     },
     headless: true,
     system: {