[issue-14134] test partial import user with id

Fix #14134

services/src/main/java/org/keycloak/partialimport/UsersPartialImport.java

@@ -110,7 +110,9 @@ public class UsersPartialImport extends AbstractPartialImport<UserRepresentation
 
     @Override
     public void create(RealmModel realm, KeycloakSession session, UserRepresentation user) {
+        if (user.getId() == null) {
             user.setId(KeycloakModelUtils.generateId());
+        }
         UserModel userModel = RepresentationToModel.createUser(session, realm, user);
         if (userModel == null) throw new RuntimeException("Unable to create user " + getName(user));
         createdIds.put(getName(user), userModel.getId());

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/AbstractKeycloakTest.java

@@ -556,8 +556,9 @@ public abstract class AbstractKeycloakTest {
         return ApiUtil.createUserWithAdminClient(adminClient.realm(realm), homer);
     }
 
-    public static UserRepresentation createUserRepresentation(String username, String email, String firstName, String lastName, List<String> groups, boolean enabled) {
+    public static UserRepresentation createUserRepresentation(String id, String username, String email, String firstName, String lastName, List<String> groups, boolean enabled) {
         UserRepresentation user = new UserRepresentation();
+        user.setId(id);
         user.setUsername(username);
         user.setEmail(email);
         user.setFirstName(firstName);
@@ -567,6 +568,10 @@ public abstract class AbstractKeycloakTest {
         return user;
     }
 
+    public static UserRepresentation createUserRepresentation(String username, String email, String firstName, String lastName, List<String> groups, boolean enabled) {
+        return createUserRepresentation(null, username, email, firstName, lastName, groups, enabled);
+    }
+
     public static UserRepresentation createUserRepresentation(String username, String email, String firstName, String lastName, boolean enabled) {
         return createUserRepresentation(username, email, firstName, lastName, null, enabled);
     }

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/admin/partialimport/PartialImportTest.java

@@ -57,6 +57,7 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.UUID;
 
 import static org.hamcrest.CoreMatchers.hasItem;
 import static org.hamcrest.CoreMatchers.startsWith;
@@ -247,6 +248,17 @@ public class PartialImportTest extends AbstractAuthTest {
         piRep.setUsers(users);
     }
 
+    private void addUsersWithIds() {
+        List<UserRepresentation> users = new ArrayList<>();
+
+        for (int i = 0; i < NUM_ENTITIES; i++) {
+            UserRepresentation user = createUserRepresentation(UUID.randomUUID().toString(), USER_PREFIX + i, USER_PREFIX + i + "@foo.com", "foo", "bar", null, true);
+            users.add(user);
+        }
+
+        piRep.setUsers(users);
+    }
+
     private void addUsersWithTermsAndConditions() {
         List<UserRepresentation> users = new ArrayList<>();
         List<String> requiredActions = new ArrayList<>();
@@ -418,6 +430,46 @@ public class PartialImportTest extends AbstractAuthTest {
         }
     }
 
+    @Test
+    public void testAddUsersWithIds() {
+        assertAdminEvents.clear();
+
+        setFail();
+        addUsersWithIds();
+
+        Set<String> userRepIds = new HashSet<>();
+        for (UserRepresentation userRep : piRep.getUsers()) {
+            userRepIds.add(userRep.getId());
+        }
+
+        PartialImportResults results = doImport();
+        assertEquals(NUM_ENTITIES, results.getAdded());
+
+        // Need to do this way as admin events from partial import are unsorted
+        Set<String> userIds = new HashSet<>();
+        for (int i=0 ; i<NUM_ENTITIES ; i++) {
+            AdminEventRepresentation adminEvent = assertAdminEvents.poll();
+            Assert.assertEquals(realmId, adminEvent.getRealmId());
+            Assert.assertEquals(OperationType.CREATE.name(), adminEvent.getOperationType());
+            Assert.assertTrue(adminEvent.getResourcePath().startsWith("users/"));
+            assertThat(adminEvent.getResourceType(), equalTo(org.keycloak.events.admin.ResourceType.REALM.name()));
+            String userId = adminEvent.getResourcePath().substring(6);
+            userIds.add(userId);
+            assertThat(userRepIds, hasItem(userId));
+        }
+
+        assertAdminEvents.assertEmpty();
+
+        for (PartialImportResult result : results.getResults()) {
+            String id = result.getId();
+            UserResource userRsc = testRealmResource().users().get(id);
+            UserRepresentation user = userRsc.toRepresentation();
+            assertThat(user.getUsername(), startsWith(USER_PREFIX));
+            assertThat(userIds, hasItem(id));
+            assertThat(userRepIds, hasItem(id));
+        }
+    }
+
     @Test
     public void testAddUsersWithDuplicateEmailsForbidden() {
         assertAdminEvents.clear();