Update TestCase.php

Author: jackbayliss

src/TestCase.php

@@ -5,16 +5,42 @@
 use Facebook\WebDriver\Chrome\ChromeOptions;
 use Facebook\WebDriver\Remote\DesiredCapabilities;
 use Facebook\WebDriver\Remote\RemoteWebDriver;
+use Illuminate\Support\Facades\ParallelTesting;
 use Laravel\Dusk\Browser as DuskBrowser;
 use Laravel\Dusk\TestCase as DuskTestCase;
 
 abstract class TestCase extends DuskTestCase
 {
+    /**
+     * Tracks whether the per-process parallel setup has already been triggered for this worker.
+     * Static so it persists across test instances within the same PHP process.
+     */
+    protected static bool $parallelProcessSetUp = false;
+
     public static function startChromeDriver(array $arguments = []): void
     {
         parent::startChromeDriver(ParallelDriver::resolveDriverArguments($arguments));
     }
 
+    /**
+     * Refresh the application and, on the first test of each paratest worker, fire the
+     * Laravel parallel-testing process callbacks (e.g. creating the per-worker database).
+     *
+     * paratest sets TEST_TOKEN per-worker but never calls callSetUpProcessCallbacks(),
+     * so we do it here — once per process, after the app is booted so DB connections work.
+     * The built-in setUpTestCase callbacks then switch the default connection to the
+     * per-worker database, and any mirroring callbacks (e.g. for mysql-elevated) follow.
+     */
+    protected function refreshApplication(): void
+    {
+        parent::refreshApplication();
+
+        if (ParallelDriver::runningInParallel() && ! static::$parallelProcessSetUp) {
+            ParallelTesting::callSetUpProcessCallbacks();
+            static::$parallelProcessSetUp = true;
+        }
+    }
+
     protected function newBrowser($driver): DuskBrowser
     {
         return new Browser($driver);