tests: coap transport tests refactored to use dynamic UPD ports to be able to test in parallel

application/src/test/java/org/thingsboard/server/transport/AbstractTransportIntegrationTest.java

@@ -30,8 +30,6 @@ public abstract class AbstractTransportIntegrationTest extends AbstractControlle
 
     protected static final int DEFAULT_WAIT_TIMEOUT_SECONDS = 30;
 
-    protected static final String COAP_BASE_URL = "coap://localhost:5683/api/v1/";
-
     protected static final AtomicInteger atomicInteger = new AtomicInteger(2);
 
     public static final String DEVICE_TELEMETRY_PROTO_SCHEMA = "syntax =\"proto3\";\n" +

application/src/test/java/org/thingsboard/server/transport/coap/AbstractCoapIntegrationTest.java

@@ -16,7 +16,10 @@
 package org.thingsboard.server.transport.coap;
 
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
 import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.util.TestSocketUtils;
 import org.thingsboard.server.common.data.CoapDeviceType;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.DeviceProfile;
@@ -40,6 +43,7 @@ import org.thingsboard.server.common.data.device.profile.ProtoTransportPayloadCo
 import org.thingsboard.server.common.data.device.profile.TransportPayloadTypeConfiguration;
 import org.thingsboard.server.common.data.security.DeviceCredentials;
 import org.thingsboard.server.transport.AbstractTransportIntegrationTest;
+import org.thingsboard.server.utils.PortFinder;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
@@ -52,6 +56,16 @@ import static org.junit.Assert.assertNotNull;
 @Slf4j
 public abstract class AbstractCoapIntegrationTest extends AbstractTransportIntegrationTest {
 
+    public static final String COAP_HOST = "localhost";
+    public static final int COAP_PORT = PortFinder.findAvailableUdpPort();
+    public static final String COAP_BASE_URL = "coap://" + COAP_HOST + ":" + COAP_PORT + "/api/v1/";
+
+    @DynamicPropertySource
+    static void props(DynamicPropertyRegistry registry) {
+        log.info("coap.bind_port = {}", COAP_PORT);
+        registry.add("coap.bind_port", () -> COAP_PORT);
+    }
+
     protected final byte[] EMPTY_PAYLOAD = new byte[0];
     protected CoapTestClient client;
     protected static final String PAYLOAD_VALUES_STR = "{\"key1\":\"value1\", \"key2\":true, \"key3\": 3.0, \"key4\": 4," +

application/src/test/java/org/thingsboard/server/transport/coap/CoapTestClient.java

@@ -28,9 +28,10 @@ import org.thingsboard.server.common.msg.session.FeatureType;
 
 import java.io.IOException;
 
+import static org.thingsboard.server.transport.coap.AbstractCoapIntegrationTest.COAP_BASE_URL;
+
 public class CoapTestClient {
 
-    private static final String COAP_BASE_URL = "coap://localhost:5683/api/v1/";
     private static final long CLIENT_REQUEST_TIMEOUT = 60000L;
 
     private final CoapClient client;

application/src/test/java/org/thingsboard/server/transport/coap/security/AbstractCoapSecurityIntegrationTest.java

@@ -21,7 +21,10 @@ import lombok.extern.slf4j.Slf4j;
 import org.eclipse.californium.core.CoapResponse;
 import org.eclipse.californium.core.coap.CoAP;
 import org.junit.Assert;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
 import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.util.TestSocketUtils;
 import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.server.common.data.CoapDeviceType;
 import org.thingsboard.server.common.data.Device;
@@ -37,9 +40,11 @@ import org.thingsboard.server.transport.coap.AbstractCoapIntegrationTest;
 import org.thingsboard.server.transport.coap.x509.CertPrivateKey;
 import org.thingsboard.server.transport.coap.x509.CoapClientX509Test;
 import org.thingsboard.server.transport.coap.CoapTestConfigProperties;
+import org.thingsboard.server.utils.PortFinder;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.net.DatagramSocket;
 import java.net.ServerSocket;
 import java.security.GeneralSecurityException;
 import java.security.KeyStore;
@@ -70,7 +75,17 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
         "transport.coap.enabled=true",
 })
 public abstract class AbstractCoapSecurityIntegrationTest extends AbstractCoapIntegrationTest {
-    private static final String COAPS_BASE_URL = "coaps://localhost:5684/api/v1/";
+
+    public static final String COAPS_HOST = "localhost";
+    public static final int COAPS_PORT = PortFinder.findAvailableUdpPort();
+    public static final String COAPS_BASE_URL = "coaps://" + COAPS_HOST + ":" + COAPS_PORT + "/api/v1/";
+
+    @DynamicPropertySource
+    static void props(DynamicPropertyRegistry registry) {
+        log.info("coap.dtls.bind_port = {}", COAPS_PORT);
+        registry.add("coap.dtls.bind_port", () -> COAPS_PORT);
+    }
+
     protected final String CREDENTIALS_PATH = "coap/credentials/";
     protected final String CREDENTIALS_PATH_CLIENT = CREDENTIALS_PATH + "client/";
     protected final String CREDENTIALS_PATH_CLIENT_CERT_PEM = CREDENTIALS_PATH_CLIENT + "cert.pem";
@@ -160,17 +175,20 @@ public abstract class AbstractCoapSecurityIntegrationTest extends AbstractCoapIn
         CertPrivateKey certPrivateKey = new CertPrivateKey(CREDENTIALS_PATH_CLIENT_CERT_PEM, CREDENTIALS_PATH_CLIENT_KEY_PEM);
         CertPrivateKey certPrivateKey_01 = new CertPrivateKey(CREDENTIALS_PATH_CLIENT + "cert_01.pem",
                 CREDENTIALS_PATH_CLIENT + "key_01.pem");
-        Integer fixedPort =  getFreePort();
+        int fixedPort =  PortFinder.findAvailableUdpPort();
         CoapClientX509Test clientX509 = clientX509UpdateTest(FeatureType.ATTRIBUTES, certPrivateKey,
                 "CoapX509TrustNo_" + FeatureType.TELEMETRY.name(), deviceProfile.getId(), fixedPort);
         clientX509.disconnect();
         await("Need to make port " + fixedPort + " free")
                 .atMost(40, TimeUnit.SECONDS)
-                .until(() -> isPortAvailable(fixedPort));
+                .until(() -> isUDPPortAvailable(fixedPort));
         CoapClientX509Test clientX509_01 = clientX509UpdateTest(FeatureType.ATTRIBUTES, certPrivateKey_01,
                 "CoapX509TrustNo_" + FeatureType.TELEMETRY.name() + "_01", deviceProfile.getId(),
                 fixedPort, PAYLOAD_VALUES_STR_01);
         clientX509_01.disconnect();
+        await("Await to make port " + fixedPort + " free")
+                .atMost(40, TimeUnit.SECONDS)
+                .until(() -> isUDPPortAvailable(fixedPort));
     }
 
     private CoapClientX509Test clientX509UpdateTest(FeatureType featureType, CertPrivateKey certPrivateKey,
@@ -274,15 +292,9 @@ public abstract class AbstractCoapSecurityIntegrationTest extends AbstractCoapIn
         }
     }
 
-    private static int getFreePort() throws IOException {
-        try (ServerSocket socket = new ServerSocket(0)) {
-            return socket.getLocalPort();
-        }
-    }
-
-    private static boolean isPortAvailable(int port) {
-        try (ServerSocket serverSocket = new ServerSocket(port)) {
-            serverSocket.setReuseAddress(true);
+    private static boolean isUDPPortAvailable(int port) {
+        try (DatagramSocket socket = new DatagramSocket(port)) {
+            socket.setReuseAddress(true);
             return true;
         } catch (IOException e) {
             return false;

msa/black-box-tests/src/test/java/org/thingsboard/server/msa/AbstractCoapClientTest.java

@@ -28,7 +28,7 @@ import org.thingsboard.server.common.msg.session.FeatureType;
 
 public abstract class AbstractCoapClientTest extends AbstractContainerTest{
 
-    private static final String COAP_BASE_URL = "coap://localhost:5683/api/v1/";
+    private static final String CONTAINER_COAP_BASE_URL = "coap://localhost:5683/api/v1/";
     private static final long CLIENT_REQUEST_TIMEOUT = 60000L;
 
 
@@ -54,7 +54,7 @@ public abstract class AbstractCoapClientTest extends AbstractContainerTest{
     protected byte[] createCoapClientAndPublish(String deviceName) throws Exception {
         String provisionRequestMsg = createTestProvisionMessage(deviceName);
         Configuration.addDefaultModule(MODULE_DEFINITIONS_PROVIDER);
-        String featureTokenUrl = COAP_BASE_URL + FeatureType.PROVISION.name().toLowerCase();
+        String featureTokenUrl = CONTAINER_COAP_BASE_URL + FeatureType.PROVISION.name().toLowerCase();
         client = new CoapClient(featureTokenUrl);
         return client.setTimeout(CLIENT_REQUEST_TIMEOUT)
                 .post(provisionRequestMsg.getBytes(), MediaTypeRegistry.APPLICATION_JSON)