KEYCLOAK-2458 Added initial concurrency test for admin endpoints

testsuite/integration/src/test/java/org/keycloak/testsuite/admin/ConcurrencyTest.java

@@ -0,0 +1,175 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.keycloak.testsuite.admin;
+
+import org.jboss.logging.Logger;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.keycloak.admin.client.Keycloak;
+import org.keycloak.admin.client.resource.ClientResource;
+import org.keycloak.admin.client.resource.RealmResource;
+import org.keycloak.representations.idm.ClientRepresentation;
+import org.keycloak.representations.idm.RoleRepresentation;
+
+import javax.ws.rs.core.Response;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+import static org.junit.Assert.*;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+@Ignore
+public class ConcurrencyTest extends AbstractClientTest {
+
+    private static final Logger log = Logger.getLogger(ConcurrencyTest.class);
+
+    private static final int DEFAULT_THREADS = 3;
+    private static final int DEFAULT_ITERATIONS = 10;
+
+    // If enabled only one request is allowed at the time. Useful for checking that test is working.
+    private static final boolean SYNCHRONIZED = false;
+
+    @Test
+    public void createClient() throws Throwable {
+        run(new KeycloakRunnable() {
+            @Override
+            public void run(Keycloak keycloak, RealmResource realm, int threadNum, int iterationNum) {
+                String name = "c-" + threadNum + "-" + iterationNum;
+                ClientRepresentation c = new ClientRepresentation();
+                c.setClientId(name);
+                Response response = realm.clients().create(c);
+                String id = ApiUtil.getCreatedId(response);
+                response.close();
+
+                assertNotNull(realm.clients().get(id));
+                boolean found = false;
+                for (ClientRepresentation r : realm.clients().findAll()) {
+                    if (r.getClientId().equals(name)) {
+                        found = true;
+                        break;
+                    }
+                }
+                if (!found) {
+                    fail("Client " + name + " not found in client list");
+                }
+            }
+        });
+    }
+
+    @Test
+    public void createRole() throws Throwable {
+        run(new KeycloakRunnable() {
+            @Override
+            public void run(Keycloak keycloak, RealmResource realm, int threadNum, int iterationNum) {
+                String name = "r-" + threadNum + "-" + iterationNum;
+                RoleRepresentation r = new RoleRepresentation(name, null, false);
+                realm.roles().create(r);
+                assertNotNull(realm.roles().get(name).toRepresentation());
+            }
+        });
+    }
+
+    @Test
+    public void createClientRole() throws Throwable {
+        ClientRepresentation c = new ClientRepresentation();
+        c.setClientId("client");
+        Response response = realm.clients().create(c);
+        final String clientId = ApiUtil.getCreatedId(response);
+        response.close();
+
+        run(new KeycloakRunnable() {
+            @Override
+            public void run(Keycloak keycloak, RealmResource realm, int threadNum, int iterationNum) {
+                String name = "r-" + threadNum + "-" + iterationNum;
+                RoleRepresentation r = new RoleRepresentation(name, null, false);
+
+                ClientResource client = realm.clients().get(clientId);
+                client.roles().create(r);
+
+                assertNotNull(client.roles().get(name).toRepresentation());
+            }
+        });
+    }
+
+    private void run(final KeycloakRunnable runnable) throws Throwable {
+        run(runnable, DEFAULT_THREADS, DEFAULT_ITERATIONS);
+    }
+
+    private void run(final KeycloakRunnable runnable, final int numThreads, final int numIterationsPerThread) throws Throwable {
+        final CountDownLatch latch = new CountDownLatch(numThreads);
+        final AtomicReference<Throwable> failed = new AtomicReference();
+        final List<Thread> threads = new LinkedList<>();
+        final Lock lock = SYNCHRONIZED ? new ReentrantLock() : null;
+
+        for (int t = 0; t < numThreads; t++) {
+            final int threadNum = t;
+            Thread thread = new Thread() {
+                @Override
+                public void run() {
+                    try {
+                        if (lock != null) {
+                            lock.lock();
+                        }
+
+                        Keycloak keycloak = Keycloak.getInstance("http://localhost:8081/auth", "master", "admin", "admin", org.keycloak.models.Constants.ADMIN_CLI_CLIENT_ID);
+                        RealmResource realm = keycloak.realm(REALM_NAME);
+                        for (int i = 0; i < numIterationsPerThread && latch.getCount() > 0; i++) {
+                            log.infov("thread {0}, iteration {1}", threadNum, i);
+                            runnable.run(keycloak, realm, threadNum, i);
+                        }
+                        latch.countDown();
+                    } catch (Throwable t) {
+                        failed.compareAndSet(null, t);
+                        while (latch.getCount() > 0) {
+                            latch.countDown();
+                        }
+                    } finally {
+                        if (lock != null) {
+                            lock.unlock();
+                        }
+                    }
+                }
+            };
+            thread.start();
+            threads.add(thread);
+        }
+
+        latch.await();
+
+        for (Thread t : threads) {
+            t.join();
+        }
+
+        if (failed.get() != null) {
+            throw failed.get();
+        }
+    }
+
+    interface KeycloakRunnable {
+
+        void run(Keycloak keycloak, RealmResource realm, int threadNum, int iterationNum);
+
+    }
+
+}