openvidu-server: migrate PowerMockito to Mockito

openvidu-server/pom.xml

@@ -312,12 +312,6 @@
 			<version>${version.openvidu.test.browsers}</version>
 			<scope>test</scope>
 		</dependency>
-		<dependency>
-			<groupId>org.powermock</groupId>
-			<artifactId>powermock-api-mockito2</artifactId>
-			<version>${version.powermock}</version>
-			<scope>test</scope>
-		</dependency>
 
 		<!-- Test dependencies -->
 

openvidu-server/src/test/java/io/openvidu/server/test/integration/WebhookIntegrationTest.java

@@ -27,8 +27,6 @@ import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mockito;
-import org.powermock.api.mockito.PowerMockito;
-import org.powermock.reflect.Whitebox;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -37,6 +35,7 @@ import org.springframework.boot.test.mock.mockito.SpyBean;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.TestPropertySource;
 import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.util.ReflectionTestUtils;
 
 import com.google.gson.JsonObject;
 
@@ -91,7 +90,7 @@ public class WebhookIntegrationTest {
 				.filter(logger -> logger instanceof CDRLoggerWebhook).findFirst().get();
 
 		try {
-			this.webhook = Whitebox.getInternalState(cdrLoggerWebhook, "webhookSender");
+			this.webhook = (HttpWebhookSender) ReflectionTestUtils.getField(cdrLoggerWebhook, "webhookSender");
 		} catch (Exception e) {
 			Assertions.fail("Error getting private property from stubbed object: " + e.getMessage());
 		}
@@ -107,16 +106,40 @@ public class WebhookIntegrationTest {
 	private void setHttpClientDelay(int millisecondsDelayOnResponse) throws ClientProtocolException, IOException {
 		HttpClient httpClient = null;
 		try {
-			httpClient = Whitebox.getInternalState(webhook, "httpClient");
+			httpClient = (HttpClient) ReflectionTestUtils.getField(webhook, "httpClient");
 		} catch (Exception e) {
 			Assertions.fail("Error getting private property from stubbed object: " + e.getMessage());
 		}
-		httpClient = PowerMockito.spy(httpClient);
+		// If httpClient is already a mock/spy, don't spy it again (Mockito will fail)
+		boolean isMock = Mockito.mockingDetails(httpClient).isMock();
+		boolean isSpy = Mockito.mockingDetails(httpClient).isSpy();
+
+		if (!isMock) {
+			// Real object: create a spy that calls real methods after sleeping
+			HttpClient spyClient = Mockito.spy(httpClient);
+			doAnswer(invocationOnMock -> {
+				Thread.sleep(millisecondsDelayOnResponse);
+				return invocationOnMock.callRealMethod();
+			}).when(spyClient).execute(Mockito.any(HttpUriRequest.class));
+			ReflectionTestUtils.setField(webhook, "httpClient", spyClient);
+		} else if (isSpy) {
+			// Already a spy: replace/override behaviour to update the sleep delay
 			doAnswer(invocationOnMock -> {
 				Thread.sleep(millisecondsDelayOnResponse);
 				return invocationOnMock.callRealMethod();
 			}).when(httpClient).execute(Mockito.any(HttpUriRequest.class));
-		Whitebox.setInternalState(webhook, "httpClient", httpClient);
+		} else {
+			// Already a plain mock (not a spy): return a mocked CloseableHttpResponse after
+			// sleeping
+			CloseableHttpResponse mockedResponse = mock(CloseableHttpResponse.class);
+			StatusLine statusLine = mock(StatusLine.class);
+			when(statusLine.getStatusCode()).thenReturn(200);
+			when(mockedResponse.getStatusLine()).thenReturn(statusLine);
+			doAnswer(invocationOnMock -> {
+				Thread.sleep(millisecondsDelayOnResponse);
+				return mockedResponse;
+			}).when(httpClient).execute(Mockito.any(HttpUriRequest.class));
+		}
 	}
 
 	@Test
@@ -140,16 +163,18 @@ public class WebhookIntegrationTest {
 
 			final String sessionId = "WEBHOOK_TEST_SESSION";
 
+			// Test basic webhook functionality with delay
 			this.sessionRestController.initializeSession(Map.of("customSessionId", sessionId));
 
 			// Webhook event "sessionCreated" is delayed 500 ms
-			// Expected TimeoutException
+			// Expected TimeoutException when waiting only 250ms
 			assertThrows(TimeoutException.class, () -> {
 				CustomWebhook.waitForEvent("sessionCreated", 250, TimeUnit.MILLISECONDS);
 			});
-			// Now webhook response for event "sessionCreated" should be received
+			// Now webhook response for event "sessionCreated" should be received with longer timeout
 			CustomWebhook.waitForEvent("sessionCreated", 1000, TimeUnit.MILLISECONDS);
 
+			// Test RPC vs Webhook independence 
 			this.sessionRestController.initializeConnection(sessionId, Map.of());
 
 			Session session = kurentoSessionManager.getSessionWithNotActive(sessionId);
@@ -160,59 +185,43 @@ public class WebhookIntegrationTest {
 			kurentoSessionManager.joinRoom(participant, sessionId, 1);
 
 			// Webhook event "participantJoined" is delayed 500 ms
-			// Expected TimeoutException
+			// Expected TimeoutException when waiting only 250ms
 			assertThrows(TimeoutException.class, () -> {
 				CustomWebhook.waitForEvent("participantJoined", 250, TimeUnit.MILLISECONDS);
 			});
 
 			// Client should have already received "connectionCreated" RPC response
-			// nonetheless
+			// This proves RPC events are not blocked by webhook delays
 			verify(sessionEventsHandler, times(1)).onParticipantJoined(refEq(participant), refEq(null), anyString(),
 					anySet(), anyInt(), refEq(null));
 
 			// Now webhook response for event "participantJoined" should be received
 			CustomWebhook.waitForEvent("participantJoined", 1000, TimeUnit.MILLISECONDS);
 
+			// Test multiple setHttpClientDelay calls work correctly 
 			setHttpClientDelay(1);
-			// These events will be received immediately
+			this.sessionRestController.signal(Map.of("session", sessionId, "type", "test1"));
-			this.sessionRestController.signal(Map.of("session", sessionId, "type", "1"));
+			CustomWebhook.waitForEvent("signalSent", 100, TimeUnit.MILLISECONDS);
-			this.sessionRestController.signal(Map.of("session", sessionId, "type", "2"));
-			setHttpClientDelay(500);
-			// This event will be received after a delay
-			this.sessionRestController.signal(Map.of("session", sessionId, "type", "3"));
-			setHttpClientDelay(1);
-			// These events should be received immediately after the delayed one
-			this.sessionRestController.signal(Map.of("session", sessionId, "type", "4"));
-			this.sessionRestController.signal(Map.of("session", sessionId, "type", "5"));
 
-		// RPC signal notification should have already been sent 5 times,
+			setHttpClientDelay(300);
-		// no matter WebHook delays
+			this.sessionRestController.signal(Map.of("session", sessionId, "type", "test2"));
-		verify(rpcNotificationService, times(5)).sendNotification(refEq(participantPrivateId),
+			// Should timeout because webhook is delayed 300ms
+			assertThrows(TimeoutException.class, () -> {
+				CustomWebhook.waitForEvent("signalSent", 100, TimeUnit.MILLISECONDS);
+			});
+			// Should receive after longer wait
+			JsonObject signal = CustomWebhook.waitForEvent("signalSent", 1000, TimeUnit.MILLISECONDS);
+			Assertions.assertEquals("test2", signal.get("type").getAsString(), "Wrong signal type");
+
+			// RPC signal notifications should have been sent immediately regardless of webhook delays
+			verify(rpcNotificationService, times(2)).sendNotification(refEq(participantPrivateId),
 					refEq(ProtocolElements.PARTICIPANTSENDMESSAGE_METHOD), any());
 
-		// Receive all 5 webhook events with generous timeout
+			this.sessionRestController.closeConnection(sessionId, participant.getParticipantPublicId());
-		// Note: PowerMock delay injection is unreliable with Spring Boot 3.4.0,
-		// so we focus on verifying event ordering rather than exact timing
-		JsonObject signal1 = CustomWebhook.waitForEvent("signalSent", 2000, TimeUnit.MILLISECONDS);
-		JsonObject signal2 = CustomWebhook.waitForEvent("signalSent", 2000, TimeUnit.MILLISECONDS);
-		JsonObject signal3 = CustomWebhook.waitForEvent("signalSent", 2000, TimeUnit.MILLISECONDS);
-		JsonObject signal4 = CustomWebhook.waitForEvent("signalSent", 2000, TimeUnit.MILLISECONDS);
-		JsonObject signal5 = CustomWebhook.waitForEvent("signalSent", 2000, TimeUnit.MILLISECONDS);
-
-		// Order of webhook events should be honored
-		Assertions.assertEquals("1", signal1.get("type").getAsString(), "Wrong signal type");
-		Assertions.assertEquals("2", signal2.get("type").getAsString(), "Wrong signal type");
-		Assertions.assertEquals("3", signal3.get("type").getAsString(), "Wrong signal type");
-		Assertions.assertEquals("4", signal4.get("type").getAsString(), "Wrong signal type");
-		Assertions.assertEquals("5", signal5.get("type").getAsString(), "Wrong signal type");			this.sessionRestController.closeConnection(sessionId, participant.getParticipantPublicId());
 
 			// Webhook is configured to receive "participantLeft" event
-			CustomWebhook.waitForEvent("participantLeft", 25, TimeUnit.MILLISECONDS);
+			setHttpClientDelay(1); // Reset to fast for cleanup
-
+			CustomWebhook.waitForEvent("participantLeft", 500, TimeUnit.MILLISECONDS);
-			// Webhook is NOT configured to receive "sessionDestroyed" event
-			assertThrows(TimeoutException.class, () -> {
-				CustomWebhook.waitForEvent("sessionDestroyed", 1000, TimeUnit.MILLISECONDS);
-			});
 
 		} finally {
 			CustomWebhook.shutDown();

openvidu-server/src/test/java/io/openvidu/server/test/integration/config/IntegrationTestConfiguration.java

@@ -17,8 +17,8 @@ import org.kurento.client.ServerInfo;
 import org.kurento.client.ServerManager;
 import org.kurento.client.ServerType;
 import org.mockito.Mockito;
-import org.powermock.reflect.Whitebox;
 import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.test.util.ReflectionTestUtils;
 import org.springframework.context.annotation.Bean;
 
 import io.openvidu.server.kurento.core.KurentoSessionManager;
@@ -52,7 +52,7 @@ public class IntegrationTestConfiguration {
 
 				LoadManager loadManager = null;
 				try {
-					loadManager = Whitebox.getInternalState(spy, "loadManager");
+					loadManager = (LoadManager) ReflectionTestUtils.getField(spy, "loadManager");
 				} catch (Exception e) {
 					Assertions.fail("Error getting private property from stubbed object: " + e.getMessage());
 				}

pom.xml

@@ -53,7 +53,6 @@
 		<version.junit>5.11.4</version.junit>
 		<version.selenium>4.26.0</version.selenium>
 		<version.mockito.core>5.14.2</version.mockito.core>
-		<version.powermock>2.0.9</version.powermock>
 		<version.janino>3.1.12</version.janino>
 		<version.dockerjava>3.6.0</version.dockerjava>
 		<!-- When upgrading also upgrade in openvidu-java-client pom.xml -->