openvidu-test-e2e: bound page loads, log remote session ids and report every browser failure in parallel-browser tests

openvidu-test-browsers/src/main/java/io/openvidu/test/browsers/BrowserUser.java

@@ -27,7 +27,9 @@ import java.util.Map;
 import org.openqa.selenium.Dimension;
 import org.openqa.selenium.JavascriptExecutor;
 import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.WebDriverException;
 import org.openqa.selenium.WebElement;
+import org.openqa.selenium.remote.RemoteWebDriver;
 import org.openqa.selenium.support.ui.ExpectedCondition;
 import org.openqa.selenium.support.ui.WebDriverWait;
 import org.slf4j.LoggerFactory;
@@ -68,6 +70,23 @@ public class BrowserUser {
 
 	protected void configureDriver() {
 		this.waiter = new WebDriverWait(this.driver, Duration.ofSeconds(timeOfWaitInSeconds));
+		try {
+			// Bound page loads to the user's wait time.
+			this.driver.manage().timeouts().pageLoadTimeout(Duration.ofSeconds(timeOfWaitInSeconds));
+		} catch (WebDriverException e) {
+			log.warn("Could not set the page load timeout on this driver: {}", e.getMessage());
+		}
+	}
+
+	/**
+	 * Logs the id of the remote session just created. This helps differentiate
+	 * between a hang in the Grid and a hang in the page load.
+	 */
+	protected void logRemoteSessionCreated(String browser) {
+		if (this.driver instanceof RemoteWebDriver) {
+			log.info("Remote WebDriver session created [browser: {}, sessionId: {}]", browser,
+					((RemoteWebDriver) this.driver).getSessionId());
+		}
 	}
 
 	protected void configureDriver(Dimension windowDimensions) {

openvidu-test-browsers/src/main/java/io/openvidu/test/browsers/ChromeUser.java

@@ -91,6 +91,7 @@ public class ChromeUser extends BrowserUser {
 			log.info("Using URL {} to connect to remote web driver", REMOTE_URL);
 			try {
 				this.driver = new RemoteWebDriver(new URL(REMOTE_URL), options);
+				logRemoteSessionCreated("chrome");
 			} catch (MalformedURLException e) {
 				e.printStackTrace();
 			}

openvidu-test-browsers/src/main/java/io/openvidu/test/browsers/EdgeUser.java

@@ -32,6 +32,7 @@ public class EdgeUser extends BrowserUser {
 			log.info("Using URL {} to connect to remote web driver", REMOTE_URL);
 			try {
 				this.driver = new RemoteWebDriver(new URL(REMOTE_URL), options);
+				logRemoteSessionCreated("edge");
 			} catch (MalformedURLException e) {
 				e.printStackTrace();
 			}

openvidu-test-browsers/src/main/java/io/openvidu/test/browsers/FirefoxUser.java

@@ -61,6 +61,7 @@ public class FirefoxUser extends BrowserUser {
 			log.info("Using URL {} to connect to remote web driver", REMOTE_URL);
 			try {
 				this.driver = new RemoteWebDriver(new URL(REMOTE_URL), options);
+				logRemoteSessionCreated("firefox");
 			} catch (MalformedURLException e) {
 				e.printStackTrace();
 			}

openvidu-test-browsers/src/main/java/io/openvidu/test/browsers/OperaUser.java

@@ -31,6 +31,7 @@ public class OperaUser extends BrowserUser {
 			log.info("Using URL {} to connect to remote web driver", REMOTE_URL);
 			try {
 				this.driver = new RemoteWebDriver(new URL(REMOTE_URL), options);
+				logRemoteSessionCreated("opera");
 			} catch (MalformedURLException e) {
 				e.printStackTrace();
 			}

openvidu-test-e2e/src/test/java/io/openvidu/test/e2e/AbstractOpenViduTestappE2eTest.java

@@ -1,9 +1,14 @@
 package io.openvidu.test.e2e;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.List;
 import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
 
 import org.junit.jupiter.api.AfterEach;
@@ -29,14 +34,15 @@ public class AbstractOpenViduTestappE2eTest extends OpenViduTestE2e {
 	protected Collection<OpenViduTestappUser> testappUsers = new HashSet<>();
 
 	private void connectToOpenViduTestApp(OpenViduTestappUser user) {
-		user.getDriver().get(APP_URL);
 		try {
+			user.getDriver().get(APP_URL);
 			user.getWaiter().until(ExpectedConditions.presenceOfElementLocated(By.id("livekit-url")));
 		} catch (TimeoutException e) {
 			// Dump diagnostics and retry once with a reload before giving up
 			String screenshot = "data:image/png;base64,"
 					+ ((TakesScreenshot) user.getDriver()).getScreenshotAs(BASE64);
-			System.out.println("TIMEOUT WAITING FOR " + APP_URL + " TO LOAD, RETRYING ONCE. Page source:");
+			System.out.println("TIMEOUT WAITING FOR " + APP_URL + " TO LOAD (" + firstLine(e.getMessage())
+					+ "), RETRYING ONCE. Page source:");
 			System.out.println(user.getDriver().getPageSource());
 			System.out.println(screenshot);
 			user.getDriver().get(APP_URL);
@@ -54,6 +60,57 @@ public class AbstractOpenViduTestappE2eTest extends OpenViduTestE2e {
 		user.getEventManager().startPolling();
 	}
 
+	private static String firstLine(String message) {
+		if (message == null) {
+			return "";
+		}
+		int eol = message.indexOf('\n');
+		return eol == -1 ? message : message.substring(0, eol);
+	}
+
+	/**
+	 * Waits for every browser task of a parallel-browser test and, if any failed,
+	 * fails the test reporting all the failures.
+	 */
+	protected void awaitBrowserTasks(Future<?>... tasks) {
+		final int capSeconds = 300;
+		List<Throwable> failures = new ArrayList<>();
+		for (int i = 0; i < tasks.length; i++) {
+			try {
+				tasks[i].get(capSeconds, TimeUnit.SECONDS);
+			} catch (ExecutionException e) {
+				Throwable cause = e.getCause() != null ? e.getCause() : e;
+				log.error("Browser task {} of {} failed", i + 1, tasks.length, cause);
+				failures.add(cause);
+			} catch (java.util.concurrent.TimeoutException e) {
+				tasks[i].cancel(true);
+				AssertionError stuck = new AssertionError("Browser task " + (i + 1) + " of " + tasks.length
+						+ " did not finish within " + capSeconds + " s and was cancelled");
+				log.error("Browser task {} of {} did not finish within {} s, cancelling it", i + 1, tasks.length,
+						capSeconds);
+				failures.add(stuck);
+			} catch (InterruptedException e) {
+				Thread.currentThread().interrupt();
+				throw new RuntimeException("Interrupted while waiting for the browser tasks", e);
+			}
+		}
+		if (!failures.isEmpty()) {
+			StringBuilder message = new StringBuilder("Error while running browsers in parallel: ")
+					.append(failures.size()).append(" of ").append(tasks.length).append(" browser task(s) failed");
+			for (Throwable failure : failures) {
+				message.append("\n  - ").append(failure.getClass().getSimpleName()).append(": ")
+						.append(firstLine(failure.getMessage()));
+			}
+			// The first failure is the cause; the others travel as suppressed exceptions so
+			// that every stack trace ends up in the surefire report as well
+			Throwable first = failures.get(0);
+			for (int i = 1; i < failures.size(); i++) {
+				first.addSuppressed(failures.get(i));
+			}
+			Assertions.fail(message.toString(), first);
+		}
+	}
+
 	protected OpenViduTestappUser setupBrowserAndConnectToOpenViduTestapp(String browser) throws Exception {
 		BrowserUser browserUser = this.setupBrowser(browser);
 		OpenViduTestappUser testappUser = new OpenViduTestappUser(browserUser);

openvidu-test-e2e/src/test/java/io/openvidu/test/e2e/OpenViduTestAppE2eTest.java

@@ -720,7 +720,9 @@ public class OpenViduTestAppE2eTest extends AbstractOpenViduTestappE2eTest {
 	 * Run the given tasks concurrently (one thread each), wait for all to finish,
 	 * then propagate the first failure — AssertionError or any exception — to the
 	 * caller's thread, so assertions inside the tasks actually fail the test (an
-	 * AssertionError thrown in a worker thread would otherwise be lost). Each task
+	 * AssertionError thrown in a worker thread would otherwise be lost). Every
+	 * failure is logged and the ones after the first travel as suppressed exceptions
+	 * of the propagated one, so no browser's error is masked by another's. Each task
 	 * MUST drive a distinct WebDriver, since a Selenium driver is not thread-safe.
 	 */
 	private void runInParallel(ThrowingRunnable... tasks) throws Exception {
@@ -733,20 +735,31 @@ public class OpenViduTestAppE2eTest extends AbstractOpenViduTestappE2eTest {
 					return null;
 				});
 			}
+			List<Throwable> failures = new ArrayList<>();
+			int index = 0;
 			for (Future<Void> future : executor.invokeAll(callables)) {
+				index++;
 				try {
 					future.get();
 				} catch (ExecutionException e) {
 					Throwable cause = e.getCause() != null ? e.getCause() : e;
-					if (cause instanceof Error) {
-						throw (Error) cause;
-					}
-					if (cause instanceof Exception) {
-						throw (Exception) cause;
-					}
-					throw new RuntimeException(cause);
+					log.error("Parallel task {} of {} failed", index, tasks.length, cause);
+					failures.add(cause);
 				}
 			}
+			if (!failures.isEmpty()) {
+				Throwable cause = failures.get(0);
+				for (int i = 1; i < failures.size(); i++) {
+					cause.addSuppressed(failures.get(i));
+				}
+				if (cause instanceof Error) {
+					throw (Error) cause;
+				}
+				if (cause instanceof Exception) {
+					throw (Exception) cause;
+				}
+				throw new RuntimeException(cause);
+			}
 		} finally {
 			executor.shutdownNow();
 		}
@@ -2180,12 +2193,7 @@ public class OpenViduTestAppE2eTest extends AbstractOpenViduTestappE2eTest {
 			}
 		});
 
-		try {
-			task1.get();
-			task2.get();
-		} catch (ExecutionException ex) {
-			Assertions.fail("Error while running browsers in parallel", ex);
-		}
+		awaitBrowserTasks(task1, task2);
 	}
 
 	@Test
@@ -2342,12 +2350,7 @@ public class OpenViduTestAppE2eTest extends AbstractOpenViduTestappE2eTest {
 			}
 		});
 
-		try {
-			task1.get();
-			task2.get();
-		} catch (ExecutionException ex) {
-			Assertions.fail("Error while running browsers in parallel", ex);
-		}
+		awaitBrowserTasks(task1, task2);
 
 		long pub = publisher1920AtMs.get();
 		long sub = subscriber1920AtMs.get();