/*
* 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.model;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.ClassRule;
import org.junit.Test;
import org.keycloak.common.util.Time;
import org.keycloak.models.AuthenticatedClientSessionModel;
import org.keycloak.models.ClientModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.RealmModel;
import org.keycloak.models.UserLoginFailureModel;
import org.keycloak.models.UserModel;
import org.keycloak.models.UserSessionModel;
import org.keycloak.models.utils.KeycloakModelUtils;
import org.keycloak.protocol.oidc.OIDCLoginProtocol;
import org.keycloak.models.UserManager;
import org.keycloak.testsuite.rule.KeycloakRule;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
/**
* @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
*/
public class UserSessionProviderTest {
@ClassRule
public static KeycloakRule kc = new KeycloakRule();
private KeycloakSession session;
private RealmModel realm;
@Before
public void before() {
session = kc.startSession();
realm = session.realms().getRealm("test");
session.users().addUser(realm, "user1").setEmail("user1@localhost");
session.users().addUser(realm, "user2").setEmail("user2@localhost");
}
@After
public void after() {
resetSession();
session.sessions().removeUserSessions(realm);
UserModel user1 = session.users().getUserByUsername("user1", realm);
UserModel user2 = session.users().getUserByUsername("user2", realm);
UserManager um = new UserManager(session);
if (user1 != null) {
um.removeUser(realm, user1);
}
if (user2 != null) {
um.removeUser(realm, user2);
}
kc.stopSession(session, true);
}
@Test
public void testCreateSessions() {
int started = Time.currentTime();
UserSessionModel[] sessions = createSessions();
assertSession(session.sessions().getUserSession(realm, sessions[0].getId()), session.users().getUserByUsername("user1", realm), "127.0.0.1", started, started, "test-app", "third-party");
assertSession(session.sessions().getUserSession(realm, sessions[1].getId()), session.users().getUserByUsername("user1", realm), "127.0.0.2", started, started, "test-app");
assertSession(session.sessions().getUserSession(realm, sessions[2].getId()), session.users().getUserByUsername("user2", realm), "127.0.0.3", started, started, "test-app");
}
@Test
public void testUpdateSession() {
UserSessionModel[] sessions = createSessions();
session.sessions().getUserSession(realm, sessions[0].getId()).setLastSessionRefresh(1000);
resetSession();
assertEquals(1000, session.sessions().getUserSession(realm, sessions[0].getId()).getLastSessionRefresh());
}
@Test
public void testRestartSession() {
int started = Time.currentTime();
UserSessionModel[] sessions = createSessions();
Time.setOffset(100);
UserSessionModel userSession = session.sessions().getUserSession(realm, sessions[0].getId());
assertSession(userSession, session.users().getUserByUsername("user1", realm), "127.0.0.1", started, started, "test-app", "third-party");
userSession.restartSession(realm, session.users().getUserByUsername("user2", realm), "user2", "127.0.0.6", "form", true, null, null);
resetSession();
userSession = session.sessions().getUserSession(realm, sessions[0].getId());
assertSession(userSession, session.users().getUserByUsername("user2", realm), "127.0.0.6", started + 100, started + 100);
Time.setOffset(0);
}
@Test
public void testCreateClientSession() {
UserSessionModel[] sessions = createSessions();
Map<String, AuthenticatedClientSessionModel> clientSessions = session.sessions().getUserSession(realm, sessions[0].getId()).getAuthenticatedClientSessions();
assertEquals(2, clientSessions.size());
String clientUUID = realm.getClientByClientId("test-app").getId();
AuthenticatedClientSessionModel session1 = clientSessions.get(clientUUID);
assertEquals(null, session1.getAction());
assertEquals(realm.getClientByClientId("test-app").getClientId(), session1.getClient().getClientId());
assertEquals(sessions[0].getId(), session1.getUserSession().getId());
assertEquals("http://redirect", session1.getRedirectUri());
assertEquals("state", session1.getNote(OIDCLoginProtocol.STATE_PARAM));
assertEquals(2, session1.getRoles().size());
assertTrue(session1.getRoles().contains("one"));
assertTrue(session1.getRoles().contains("two"));
assertEquals(2, session1.getProtocolMappers().size());
assertTrue(session1.getProtocolMappers().contains("mapper-one"));
assertTrue(session1.getProtocolMappers().contains("mapper-two"));
}
@Test
public void testUpdateClientSession() {
UserSessionModel[] sessions = createSessions();
String userSessionId = sessions[0].getId();
String clientUUID = realm.getClientByClientId("test-app").getId();
AuthenticatedClientSessionModel clientSession = sessions[0].getAuthenticatedClientSessions().get(clientUUID);
int time = clientSession.getTimestamp();
assertEquals(null, clientSession.getAction());
clientSession.setAction(AuthenticatedClientSessionModel.Action.CODE_TO_TOKEN.name());
clientSession.setTimestamp(time + 10);
kc.stopSession(session, true);
session = kc.startSession();
AuthenticatedClientSessionModel updated = session.sessions().getUserSession(realm, userSessionId).getAuthenticatedClientSessions().get(clientUUID);
assertEquals(AuthenticatedClientSessionModel.Action.CODE_TO_TOKEN.name(), updated.getAction());
assertEquals(time + 10, updated.getTimestamp());
}
@Test
public void testGetUserSessions() {
UserSessionModel[] sessions = createSessions();
assertSessions(session.sessions().getUserSessions(realm, session.users().getUserByUsername("user1", realm)), sessions[0], sessions[1]);
assertSessions(session.sessions().getUserSessions(realm, session.users().getUserByUsername("user2", realm)), sessions[2]);
}
@Test
public void testRemoveUserSessionsByUser() {
UserSessionModel[] sessions = createSessions();
Map<String, Integer> clientSessionsKept = new HashMap<>();
for (UserSessionModel s : sessions) {
s = session.sessions().getUserSession(realm, s.getId());
if (!s.getUser().getUsername().equals("user1")) {
clientSessionsKept.put(s.getId(), s.getAuthenticatedClientSessions().keySet().size());
}
}
session.sessions().removeUserSessions(realm, session.users().getUserByUsername("user1", realm));
resetSession();
assertTrue(session.sessions().getUserSessions(realm, session.users().getUserByUsername("user1", realm)).isEmpty());
List<UserSessionModel> userSessions = session.sessions().getUserSessions(realm, session.users().getUserByUsername("user2", realm));
assertFalse(userSessions.isEmpty());
Assert.assertEquals(userSessions.size(), clientSessionsKept.size());
for (UserSessionModel userSession : userSessions) {
Assert.assertEquals((int) clientSessionsKept.get(userSession.getId()), userSession.getAuthenticatedClientSessions().size());
}
}
@Test
public void testRemoveUserSession() {
UserSessionModel userSession = createSessions()[0];
session.sessions().removeUserSession(realm, userSession);
resetSession();
assertNull(session.sessions().getUserSession(realm, userSession.getId()));
}
@Test
public void testRemoveUserSessionsByRealm() {
UserSessionModel[] sessions = createSessions();
session.sessions().removeUserSessions(realm);
resetSession();
assertTrue(session.sessions().getUserSessions(realm, session.users().getUserByUsername("user1", realm)).isEmpty());
assertTrue(session.sessions().getUserSessions(realm, session.users().getUserByUsername("user2", realm)).isEmpty());
}
@Test
public void testOnClientRemoved() {
UserSessionModel[] sessions = createSessions();
String thirdPartyClientUUID = realm.getClientByClientId("third-party").getId();
Map<String, Set<String>> clientSessionsKept = new HashMap<>();
for (UserSessionModel s : sessions) {
Set<String> clientUUIDS = new HashSet<>(s.getAuthenticatedClientSessions().keySet());
clientUUIDS.remove(thirdPartyClientUUID); // This client will be later removed, hence his clientSessions too
clientSessionsKept.put(s.getId(), clientUUIDS);
}
realm.removeClient(thirdPartyClientUUID);
resetSession();
for (UserSessionModel s : sessions) {
s = session.sessions().getUserSession(realm, s.getId());
Set<String> clientUUIDS = s.getAuthenticatedClientSessions().keySet();
assertEquals(clientUUIDS, clientSessionsKept.get(s.getId()));
}
// Revert client
realm.addClient("third-party");
}
@Test
public void testRemoveUserSessionsByExpired() {
session.sessions().getUserSessions(realm, session.users().getUserByUsername("user1", realm));
ClientModel client = realm.getClientByClientId("test-app");
try {
Set<String> expired = new HashSet<String>();
Time.setOffset(-(realm.getSsoSessionMaxLifespan() + 1));
UserSessionModel userSession = session.sessions().createUserSession(KeycloakModelUtils.generateId(), realm, session.users().getUserByUsername("user1", realm), "user1", "127.0.0.1", "form", true, null, null);
expired.add(userSession.getId());
AuthenticatedClientSessionModel clientSession = session.sessions().createClientSession(realm, client, userSession);
Assert.assertEquals(userSession, clientSession.getUserSession());
Time.setOffset(0);
UserSessionModel s = session.sessions().createUserSession(KeycloakModelUtils.generateId(), realm, session.users().getUserByUsername("user2", realm), "user2", "127.0.0.1", "form", true, null, null);
//s.setLastSessionRefresh(Time.currentTime() - (realm.getSsoSessionIdleTimeout() + 1));
s.setLastSessionRefresh(0);
expired.add(s.getId());
Set<String> valid = new HashSet<String>();
Set<String> validClientSessions = new HashSet<String>();
userSession = session.sessions().createUserSession(KeycloakModelUtils.generateId(), realm, session.users().getUserByUsername("user1", realm), "user1", "127.0.0.1", "form", true, null, null);
valid.add(userSession.getId());
validClientSessions.add(session.sessions().createClientSession(realm, client, userSession).getId());
resetSession();
session.sessions().removeExpired(realm);
resetSession();
for (String e : expired) {
assertNull(session.sessions().getUserSession(realm, e));
}
for (String v : valid) {
UserSessionModel userSessionLoaded = session.sessions().getUserSession(realm, v);
assertNotNull(userSessionLoaded);
Assert.assertEquals(1, userSessionLoaded.getAuthenticatedClientSessions().size());
Assert.assertNotNull(userSessionLoaded.getAuthenticatedClientSessions().get(client.getId()));
}
} finally {
Time.setOffset(0);
}
}
// KEYCLOAK-2508
@Test
public void testRemovingExpiredSession() {
UserSessionModel[] sessions = createSessions();
try {
Time.setOffset(3600000);
UserSessionModel userSession = sessions[0];
RealmModel realm = userSession.getRealm();
session.sessions().removeExpired(realm);
resetSession();
// Assert no exception is thrown here
session.sessions().removeUserSession(realm, userSession);
} finally {
Time.setOffset(0);
}
}
@Test
public void testGetByClient() {
UserSessionModel[] sessions = createSessions();
assertSessions(session.sessions().getUserSessions(realm, realm.getClientByClientId("test-app")), sessions[0], sessions[1], sessions[2]);
assertSessions(session.sessions().getUserSessions(realm, realm.getClientByClientId("third-party")), sessions[0]);
}
@Test
public void testGetByClientPaginated() {
try {
for (int i = 0; i < 25; i++) {
Time.setOffset(i);
UserSessionModel userSession = session.sessions().createUserSession(KeycloakModelUtils.generateId(), realm, session.users().getUserByUsername("user1", realm), "user1", "127.0.0." + i, "form", false, null, null);
AuthenticatedClientSessionModel clientSession = session.sessions().createClientSession(realm, realm.getClientByClientId("test-app"), userSession);
clientSession.setUserSession(userSession);
clientSession.setRedirectUri("http://redirect");
clientSession.setRoles(new HashSet<String>());
clientSession.setNote(OIDCLoginProtocol.STATE_PARAM, "state");
clientSession.setTimestamp(userSession.getStarted());
userSession.setLastSessionRefresh(userSession.getStarted());
}
} finally {
Time.setOffset(0);
}
resetSession();
assertPaginatedSession(realm, realm.getClientByClientId("test-app"), 0, 1, 1);
assertPaginatedSession(realm, realm.getClientByClientId("test-app"), 0, 10, 10);
assertPaginatedSession(realm, realm.getClientByClientId("test-app"), 10, 10, 10);
assertPaginatedSession(realm, realm.getClientByClientId("test-app"), 20, 10, 5);
assertPaginatedSession(realm, realm.getClientByClientId("test-app"), 30, 10, 0);
}
@Test
public void testCreateAndGetInSameTransaction() {
ClientModel client = realm.getClientByClientId("test-app");
UserSessionModel userSession = session.sessions().createUserSession(KeycloakModelUtils.generateId(), realm, session.users().getUserByUsername("user1", realm), "user1", "127.0.0.2", "form", true, null, null);
AuthenticatedClientSessionModel clientSession = createClientSession(client, userSession, "http://redirect", "state", new HashSet<String>(), new HashSet<String>());
UserSessionModel userSessionLoaded = session.sessions().getUserSession(realm, userSession.getId());
AuthenticatedClientSessionModel clientSessionLoaded = userSessionLoaded.getAuthenticatedClientSessions().get(client.getId());
Assert.assertNotNull(userSessionLoaded);
Assert.assertNotNull(clientSessionLoaded);
Assert.assertEquals(userSession.getId(), clientSessionLoaded.getUserSession().getId());
Assert.assertEquals(1, userSessionLoaded.getAuthenticatedClientSessions().size());
}
@Test
public void testAuthenticatedClientSessions() {
UserSessionModel userSession = session.sessions().createUserSession(KeycloakModelUtils.generateId(), realm, session.users().getUserByUsername("user1", realm), "user1", "127.0.0.2", "form", true, null, null);
ClientModel client1 = realm.getClientByClientId("test-app");
ClientModel client2 = realm.getClientByClientId("third-party");
// Create client1 session
AuthenticatedClientSessionModel clientSession1 = session.sessions().createClientSession(realm, client1, userSession);
clientSession1.setAction("foo1");
clientSession1.setTimestamp(100);
// Create client2 session
AuthenticatedClientSessionModel clientSession2 = session.sessions().createClientSession(realm, client2, userSession);
clientSession2.setAction("foo2");
clientSession2.setTimestamp(200);
// commit
resetSession();
// Ensure sessions are here
userSession = session.sessions().getUserSession(realm, userSession.getId());
Map<String, AuthenticatedClientSessionModel> clientSessions = userSession.getAuthenticatedClientSessions();
Assert.assertEquals(2, clientSessions.size());
testAuthenticatedClientSession(clientSessions.get(client1.getId()), "test-app", userSession.getId(), "foo1", 100);
testAuthenticatedClientSession(clientSessions.get(client2.getId()), "third-party", userSession.getId(), "foo2", 200);
// Update session1
clientSessions.get(client1.getId()).setAction("foo1-updated");
// commit
resetSession();
// Ensure updated
userSession = session.sessions().getUserSession(realm, userSession.getId());
clientSessions = userSession.getAuthenticatedClientSessions();
testAuthenticatedClientSession(clientSessions.get(client1.getId()), "test-app", userSession.getId(), "foo1-updated", 100);
// Rewrite session2
clientSession2 = session.sessions().createClientSession(realm, client2, userSession);
clientSession2.setAction("foo2-rewrited");
clientSession2.setTimestamp(300);
// commit
resetSession();
// Ensure updated
userSession = session.sessions().getUserSession(realm, userSession.getId());
clientSessions = userSession.getAuthenticatedClientSessions();
Assert.assertEquals(2, clientSessions.size());
testAuthenticatedClientSession(clientSessions.get(client1.getId()), "test-app", userSession.getId(), "foo1-updated", 100);
testAuthenticatedClientSession(clientSessions.get(client2.getId()), "third-party", userSession.getId(), "foo2-rewrited", 300);
// remove session
clientSession1 = userSession.getAuthenticatedClientSessions().get(client1.getId());
clientSession1.setUserSession(null);
// Commit and ensure removed
resetSession();
userSession = session.sessions().getUserSession(realm, userSession.getId());
clientSessions = userSession.getAuthenticatedClientSessions();
Assert.assertEquals(1, clientSessions.size());
Assert.assertNull(clientSessions.get(client1.getId()));
}
@Test
public void testFailCreateExistingSession() {
UserSessionModel userSession = session.sessions().createUserSession("123", realm, session.users().getUserByUsername("user1", realm), "user1", "127.0.0.2", "form", true, null, null);
// commit
resetSession();
try {
session.sessions().createUserSession("123", realm, session.users().getUserByUsername("user1", realm), "user1", "127.0.0.2", "form", true, null, null);
kc.stopSession(session, true);
Assert.fail("Not expected to successfully create duplicated userSession");
} catch (IllegalStateException e) {
// Expected
session = kc.startSession();
}
}
private void testAuthenticatedClientSession(AuthenticatedClientSessionModel clientSession, String expectedClientId, String expectedUserSessionId, String expectedAction, int expectedTimestamp) {
Assert.assertEquals(expectedClientId, clientSession.getClient().getClientId());
Assert.assertEquals(expectedUserSessionId, clientSession.getUserSession().getId());
Assert.assertEquals(expectedAction, clientSession.getAction());
Assert.assertEquals(expectedTimestamp, clientSession.getTimestamp());
}
private void assertPaginatedSession(RealmModel realm, ClientModel client, int start, int max, int expectedSize) {
List<UserSessionModel> sessions = session.sessions().getUserSessions(realm, client, start, max);
String[] actualIps = new String[sessions.size()];
for (int i = 0; i < actualIps.length; i++) {
actualIps[i] = sessions.get(i).getIpAddress();
}
String[] expectedIps = new String[expectedSize];
for (int i = 0; i < expectedSize; i++) {
expectedIps[i] = "127.0.0." + (i + start);
}
assertArrayEquals(expectedIps, actualIps);
}
@Test
public void testGetCountByClient() {
createSessions();
assertEquals(3, session.sessions().getActiveUserSessions(realm, realm.getClientByClientId("test-app")));
assertEquals(1, session.sessions().getActiveUserSessions(realm, realm.getClientByClientId("third-party")));
}
@Test
public void loginFailures() {
UserLoginFailureModel failure1 = session.sessions().addUserLoginFailure(realm, "user1");
failure1.incrementFailures();
UserLoginFailureModel failure2 = session.sessions().addUserLoginFailure(realm, "user2");
failure2.incrementFailures();
failure2.incrementFailures();
resetSession();
failure1 = session.sessions().getUserLoginFailure(realm, "user1");
assertEquals(1, failure1.getNumFailures());
failure2 = session.sessions().getUserLoginFailure(realm, "user2");
assertEquals(2, failure2.getNumFailures());
resetSession();
failure1 = session.sessions().getUserLoginFailure(realm, "user1");
failure1.clearFailures();
resetSession();
failure1 = session.sessions().getUserLoginFailure(realm, "user1");
assertEquals(0, failure1.getNumFailures());
session.sessions().removeUserLoginFailure(realm, "user1");
resetSession();
assertNull(session.sessions().getUserLoginFailure(realm, "user1"));
session.sessions().removeAllUserLoginFailures(realm);
resetSession();
assertNull(session.sessions().getUserLoginFailure(realm, "user2"));
}
@Test
public void testOnUserRemoved() {
createSessions();
session.sessions().addUserLoginFailure(realm, "user1");
session.sessions().addUserLoginFailure(realm, "user1@localhost");
session.sessions().addUserLoginFailure(realm, "user2");
resetSession();
UserModel user1 = session.users().getUserByUsername("user1", realm);
new UserManager(session).removeUser(realm, user1);
resetSession();
assertTrue(session.sessions().getUserSessions(realm, user1).isEmpty());
assertFalse(session.sessions().getUserSessions(realm, session.users().getUserByUsername("user2", realm)).isEmpty());
assertNull(session.sessions().getUserLoginFailure(realm, "user1"));
assertNull(session.sessions().getUserLoginFailure(realm, "user1@localhost"));
assertNotNull(session.sessions().getUserLoginFailure(realm, "user2"));
}
private AuthenticatedClientSessionModel createClientSession(ClientModel client, UserSessionModel userSession, String redirect, String state, Set<String> roles, Set<String> protocolMappers) {
AuthenticatedClientSessionModel clientSession = session.sessions().createClientSession(realm, client, userSession);
clientSession.setRedirectUri(redirect);
if (state != null) clientSession.setNote(OIDCLoginProtocol.STATE_PARAM, state);
if (roles != null) clientSession.setRoles(roles);
if (protocolMappers != null) clientSession.setProtocolMappers(protocolMappers);
return clientSession;
}
private UserSessionModel[] createSessions() {
UserSessionModel[] sessions = new UserSessionModel[3];
sessions[0] = session.sessions().createUserSession(KeycloakModelUtils.generateId(), realm, session.users().getUserByUsername("user1", realm), "user1", "127.0.0.1", "form", true, null, null);
Set<String> roles = new HashSet<String>();
roles.add("one");
roles.add("two");
Set<String> protocolMappers = new HashSet<String>();
protocolMappers.add("mapper-one");
protocolMappers.add("mapper-two");
createClientSession(realm.getClientByClientId("test-app"), sessions[0], "http://redirect", "state", roles, protocolMappers);
createClientSession(realm.getClientByClientId("third-party"), sessions[0], "http://redirect", "state", new HashSet<String>(), new HashSet<String>());
sessions[1] = session.sessions().createUserSession(KeycloakModelUtils.generateId(), realm, session.users().getUserByUsername("user1", realm), "user1", "127.0.0.2", "form", true, null, null);
createClientSession(realm.getClientByClientId("test-app"), sessions[1], "http://redirect", "state", new HashSet<String>(), new HashSet<String>());
sessions[2] = session.sessions().createUserSession(KeycloakModelUtils.generateId(), realm, session.users().getUserByUsername("user2", realm), "user2", "127.0.0.3", "form", true, null, null);
createClientSession(realm.getClientByClientId("test-app"), sessions[2], "http://redirect", "state", new HashSet<String>(), new HashSet<String>());
resetSession();
return sessions;
}
private void resetSession() {
kc.stopSession(session, true);
session = kc.startSession();
realm = session.realms().getRealm("test");
}
public static void assertSessions(List<UserSessionModel> actualSessions, UserSessionModel... expectedSessions) {
String[] expected = new String[expectedSessions.length];
for (int i = 0; i < expected.length; i++) {
expected[i] = expectedSessions[i].getId();
}
String[] actual = new String[actualSessions.size()];
for (int i = 0; i < actual.length; i++) {
actual[i] = actualSessions.get(i).getId();
}
Arrays.sort(expected);
Arrays.sort(actual);
assertArrayEquals(expected, actual);
}
public static void assertSession(UserSessionModel session, UserModel user, String ipAddress, int started, int lastRefresh, String... clients) {
assertEquals(user.getId(), session.getUser().getId());
assertEquals(ipAddress, session.getIpAddress());
assertEquals(user.getUsername(), session.getLoginUsername());
assertEquals("form", session.getAuthMethod());
assertEquals(true, session.isRememberMe());
assertTrue(session.getStarted() >= started - 1 && session.getStarted() <= started + 1);
assertTrue(session.getLastSessionRefresh() >= lastRefresh - 1 && session.getLastSessionRefresh() <= lastRefresh + 1);
String[] actualClients = new String[session.getAuthenticatedClientSessions().size()];
int i = 0;
for (Map.Entry<String, AuthenticatedClientSessionModel> entry : session.getAuthenticatedClientSessions().entrySet()) {
String clientUUID = entry.getKey();
AuthenticatedClientSessionModel clientSession = entry.getValue();
Assert.assertEquals(clientUUID, clientSession.getClient().getId());
actualClients[i] = clientSession.getClient().getClientId();
i++;
}
Arrays.sort(clients);
Arrays.sort(actualClients);
assertArrayEquals(clients, actualClients);
}
}