func TestBootstrapPolicyOverwritePolicyCommand(t *testing.T) {
	testutil.RequireEtcd(t)
	masterConfig, clusterAdminKubeConfig, err := testserver.StartTestMasterAPI()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	client, err := testutil.GetClusterAdminClient(clusterAdminKubeConfig)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if err := client.ClusterPolicies().Delete(authorizationapi.PolicyName); err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	// after the policy is deleted, we must wait for it to be cleared from the policy cache
	err = wait.Poll(10*time.Millisecond, 10*time.Second, func() (bool, error) {
		_, err := client.ClusterPolicies().List(kapi.ListOptions{})
		if err == nil {
			return false, nil
		}
		if !kapierror.IsForbidden(err) {
			t.Errorf("unexpected error: %v", err)
		}
		return true, nil
	})
	if err != nil {
		t.Errorf("timeout: %v", err)
	}

	etcdClient, err := etcd.MakeNewEtcdClient(masterConfig.EtcdClientInfo)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	storageVersion := unversioned.GroupVersion{Group: "", Version: masterConfig.EtcdStorageConfig.OpenShiftStorageVersion}
	etcdHelper, err := origin.NewEtcdStorage(etcdClient, storageVersion, masterConfig.EtcdStorageConfig.OpenShiftStoragePrefix)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if err := admin.OverwriteBootstrapPolicy(etcdHelper, masterConfig.PolicyConfig.BootstrapPolicyFile, admin.CreateBootstrapPolicyFileFullCommand, true, ioutil.Discard); err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	if _, err := client.ClusterPolicies().List(kapi.ListOptions{}); err != nil {
		t.Errorf("unexpected error: %v", err)
	}
}
func TestUserInitialization(t *testing.T) {

	masterConfig, clusterAdminKubeConfig, err := testutil.StartTestMaster()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	clusterAdminClient, err := testutil.GetClusterAdminClient(clusterAdminKubeConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	etcdClient, err := etcd.GetAndTestEtcdClient(masterConfig.EtcdClientInfo)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	etcdHelper, err := origin.NewEtcdStorage(etcdClient, masterConfig.EtcdStorageConfig.OpenShiftStorageVersion, masterConfig.EtcdStorageConfig.OpenShiftStoragePrefix)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}

	userRegistry := userregistry.NewRegistry(useretcd.NewREST(etcdHelper))
	identityRegistry := identityregistry.NewRegistry(identityetcd.NewREST(etcdHelper))
	useridentityMappingRegistry := useridentitymapping.NewRegistry(useridentitymapping.NewREST(userRegistry, identityRegistry))

	lookup := identitymapper.NewLookupIdentityMapper(useridentityMappingRegistry, userRegistry)
	provisioner := identitymapper.NewAlwaysCreateUserIdentityToUserMapper(identityRegistry, userRegistry)

	testcases := map[string]struct {
		Identity authapi.UserIdentityInfo
		Mapper   authapi.UserIdentityMapper

		CreateIdentity *api.Identity
		CreateUser     *api.User
		CreateMapping  *api.UserIdentityMapping
		UpdateUser     *api.User

		ExpectedErr      error
		ExpectedUserName string
		ExpectedFullName string
	}{
		"lookup missing identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   lookup,

			ExpectedErr: kerrs.NewNotFound("UserIdentityMapping", "idp:bob"),
		},
		"lookup existing identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   lookup,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),

			ExpectedUserName: "******",
		},
		"provision missing identity and user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			ExpectedUserName: "******",
		},
		"provision missing identity and user with preferred username and display name": {
			Identity: makeIdentityInfo("idp", "bob", map[string]string{authapi.IdentityDisplayNameKey: "Bob, Sr.", authapi.IdentityPreferredUsernameKey: "admin"}),
			Mapper:   provisioner,

			ExpectedUserName: "******",
			ExpectedFullName: "Bob, Sr.",
		},
		"provision missing identity for existing user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			CreateUser: makeUser("bob", "idp:bob"),

			ExpectedUserName: "******",
		},
		"provision missing identity with conflicting user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			CreateUser: makeUser("bob"),

			ExpectedUserName: "******",
		},
		"provision missing identity with conflicting user and preferred username": {
			Identity: makeIdentityInfo("idp", "bob", map[string]string{authapi.IdentityPreferredUsernameKey: "admin"}),
			Mapper:   provisioner,

			CreateUser: makeUser("admin"),

			ExpectedUserName: "******",
		},
		"provision with existing unmapped identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			CreateIdentity: makeIdentity("idp", "bob"),

			ExpectedErr: kerrs.NewNotFound("UserIdentityMapping", "idp:bob"),
		},
		"provision with existing mapped identity with invalid user UID": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentityWithUserReference("idp", "bob", "mappeduser", "invalidUID"),

			ExpectedErr: kerrs.NewNotFound("UserIdentityMapping", "idp:bob"),
		},
		"provision with existing mapped identity without user backreference": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),
			// Update user to a version which does not reference the identity
			UpdateUser: makeUser("mappeduser"),

			ExpectedErr: kerrs.NewNotFound("UserIdentityMapping", "idp:bob"),
		},
		"provision returns existing mapping": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   provisioner,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),

			ExpectedUserName: "******",
		},
	}

	for k, testcase := range testcases {
		// Cleanup
		if err := etcdHelper.RecursiveDelete(useretcd.EtcdPrefix, true); err != nil && !etcdstorage.IsEtcdNotFound(err) {
			t.Fatalf("Could not clean up users: %v", err)
		}
		if err := etcdHelper.RecursiveDelete(identityetcd.EtcdPrefix, true); err != nil && !etcdstorage.IsEtcdNotFound(err) {
			t.Fatalf("Could not clean up identities: %v", err)
		}

		// Pre-create items
		if testcase.CreateUser != nil {
			_, err := clusterAdminClient.Users().Create(testcase.CreateUser)
			if err != nil {
				t.Errorf("%s: Could not create user: %v", k, err)
				continue
			}
		}
		if testcase.CreateIdentity != nil {
			_, err := clusterAdminClient.Identities().Create(testcase.CreateIdentity)
			if err != nil {
				t.Errorf("%s: Could not create identity: %v", k, err)
				continue
			}
		}
		if testcase.CreateMapping != nil {
			_, err := clusterAdminClient.UserIdentityMappings().Update(testcase.CreateMapping)
			if err != nil {
				t.Errorf("%s: Could not create mapping: %v", k, err)
				continue
			}
		}
		if testcase.UpdateUser != nil {
			if testcase.UpdateUser.ResourceVersion == "" {
				existingUser, err := clusterAdminClient.Users().Get(testcase.UpdateUser.Name)
				if err != nil {
					t.Errorf("%s: Could not get user to update: %v", k, err)
					continue
				}
				testcase.UpdateUser.ResourceVersion = existingUser.ResourceVersion
			}
			_, err := clusterAdminClient.Users().Update(testcase.UpdateUser)
			if err != nil {
				t.Errorf("%s: Could not update user: %v", k, err)
				continue
			}
		}

		// Spawn 5 simultaneous mappers to test race conditions
		var wg sync.WaitGroup
		for i := 0; i < 5; i++ {
			wg.Add(1)
			go func() {
				defer wg.Done()

				userInfo, err := testcase.Mapper.UserFor(testcase.Identity)
				if err != nil {
					if testcase.ExpectedErr == nil {
						t.Errorf("%s: Expected success, got error '%v'", k, err)
					} else if err.Error() != testcase.ExpectedErr.Error() {
						t.Errorf("%s: Expected error %v, got '%v'", k, testcase.ExpectedErr.Error(), err)
					}
					return
				}
				if err == nil && testcase.ExpectedErr != nil {
					t.Errorf("%s: Expected error '%v', got none", k, testcase.ExpectedErr)
					return
				}

				if userInfo.GetName() != testcase.ExpectedUserName {
					t.Errorf("%s: Expected username %s, got %s", k, testcase.ExpectedUserName, userInfo.GetName())
					return
				}

				user, err := clusterAdminClient.Users().Get(userInfo.GetName())
				if err != nil {
					t.Errorf("%s: Error getting user: %v", k, err)
				}
				if user.FullName != testcase.ExpectedFullName {
					t.Errorf("%s: Expected full name %s, got %s", k, testcase.ExpectedFullName, user.FullName)
				}

			}()
		}
		wg.Wait()
	}
}
func TestUserInitialization(t *testing.T) {
	testutil.RequireEtcd(t)
	masterConfig, clusterAdminKubeConfig, err := testserver.StartTestMasterAPI()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	clusterAdminClient, err := testutil.GetClusterAdminClient(clusterAdminKubeConfig)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	etcdClient, err := etcd.MakeNewEtcdClient(masterConfig.EtcdClientInfo)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	storageVersion := unversioned.GroupVersion{Group: "", Version: masterConfig.EtcdStorageConfig.OpenShiftStorageVersion}
	etcdHelper, err := origin.NewEtcdStorage(etcdClient, storageVersion, masterConfig.EtcdStorageConfig.OpenShiftStoragePrefix)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	userRegistry := userregistry.NewRegistry(useretcd.NewREST(etcdHelper))
	identityRegistry := identityregistry.NewRegistry(identityetcd.NewREST(etcdHelper))

	lookup, err := identitymapper.NewIdentityUserMapper(identityRegistry, userRegistry, identitymapper.MappingMethodLookup)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	generate, err := identitymapper.NewIdentityUserMapper(identityRegistry, userRegistry, identitymapper.MappingMethodGenerate)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	add, err := identitymapper.NewIdentityUserMapper(identityRegistry, userRegistry, identitymapper.MappingMethodAdd)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	claim, err := identitymapper.NewIdentityUserMapper(identityRegistry, userRegistry, identitymapper.MappingMethodClaim)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	testcases := map[string]struct {
		Identity authapi.UserIdentityInfo
		Mapper   authapi.UserIdentityMapper

		CreateIdentity *api.Identity
		CreateUser     *api.User
		CreateMapping  *api.UserIdentityMapping
		UpdateUser     *api.User

		ExpectedErr        error
		ExpectedUserName   string
		ExpectedFullName   string
		ExpectedIdentities []string
	}{
		"lookup missing identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   lookup,

			ExpectedErr: identitymapper.NewLookupError(makeIdentityInfo("idp", "bob", nil), kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob")),
		},
		"lookup existing identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   lookup,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"generate missing identity and user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   generate,

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"generate missing identity and user with preferred username and display name": {
			Identity: makeIdentityInfo("idp", "bob", map[string]string{authapi.IdentityDisplayNameKey: "Bob, Sr.", authapi.IdentityPreferredUsernameKey: "admin"}),
			Mapper:   generate,

			ExpectedUserName:   "******",
			ExpectedFullName:   "Bob, Sr.",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"generate missing identity for existing user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   generate,

			CreateUser: makeUser("bob", "idp:bob"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"generate missing identity with conflicting user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   generate,

			CreateUser: makeUser("bob"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"generate missing identity with conflicting user and preferred username": {
			Identity: makeIdentityInfo("idp", "bob", map[string]string{authapi.IdentityPreferredUsernameKey: "admin"}),
			Mapper:   generate,

			CreateUser: makeUser("admin"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"generate with existing unmapped identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   generate,

			CreateIdentity: makeIdentity("idp", "bob"),

			ExpectedErr: kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
		},
		"generate with existing mapped identity with invalid user UID": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   generate,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentityWithUserReference("idp", "bob", "mappeduser", "invalidUID"),

			ExpectedErr:        kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
			ExpectedIdentities: []string{"idp:bob"},
		},
		"generate with existing mapped identity without user backreference": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   generate,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),
			// Update user to a version which does not reference the identity
			UpdateUser: makeUser("mappeduser"),

			ExpectedErr: kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
		},
		"generate returns existing mapping": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   generate,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},

		"add missing identity and user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   add,

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"add missing identity and user with preferred username and display name": {
			Identity: makeIdentityInfo("idp", "bob", map[string]string{authapi.IdentityDisplayNameKey: "Bob, Sr.", authapi.IdentityPreferredUsernameKey: "admin"}),
			Mapper:   add,

			ExpectedUserName:   "******",
			ExpectedFullName:   "Bob, Sr.",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"add missing identity for existing user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   add,

			CreateUser: makeUser("bob", "idp:bob"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"add missing identity with conflicting user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   add,

			CreateUser: makeUser("bob", "otheridp:otheruser"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"otheridp:otheruser", "idp:bob"},
		},
		"add missing identity with conflicting user and preferred username": {
			Identity: makeIdentityInfo("idp", "bob", map[string]string{authapi.IdentityPreferredUsernameKey: "admin"}),
			Mapper:   add,

			CreateUser: makeUser("admin", "otheridp:otheruser"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"otheridp:otheruser", "idp:bob"},
		},
		"add with existing unmapped identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   add,

			CreateIdentity: makeIdentity("idp", "bob"),

			ExpectedErr: kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
		},
		"add with existing mapped identity with invalid user UID": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   add,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentityWithUserReference("idp", "bob", "mappeduser", "invalidUID"),

			ExpectedErr: kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
		},
		"add with existing mapped identity without user backreference": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   add,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),
			// Update user to a version which does not reference the identity
			UpdateUser: makeUser("mappeduser"),

			ExpectedErr: kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
		},
		"add returns existing mapping": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   add,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},

		"claim missing identity and user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"claim missing identity and user with preferred username and display name": {
			Identity: makeIdentityInfo("idp", "bob", map[string]string{authapi.IdentityDisplayNameKey: "Bob, Sr.", authapi.IdentityPreferredUsernameKey: "admin"}),
			Mapper:   claim,

			ExpectedUserName:   "******",
			ExpectedFullName:   "Bob, Sr.",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"claim missing identity for existing user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			CreateUser: makeUser("bob", "idp:bob"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"claim missing identity with existing available user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			CreateUser: makeUser("bob"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
		"claim missing identity with conflicting user": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			CreateUser: makeUser("bob", "otheridp:otheruser"),

			ExpectedErr: identitymapper.NewClaimError(makeUser("bob", "otheridp:otheruser"), makeIdentity("idp", "bob")),
		},
		"claim missing identity with conflicting user and preferred username": {
			Identity: makeIdentityInfo("idp", "bob", map[string]string{authapi.IdentityPreferredUsernameKey: "admin"}),
			Mapper:   claim,

			CreateUser: makeUser("admin", "otheridp:otheruser"),

			ExpectedErr: identitymapper.NewClaimError(makeUser("admin", "otheridp:otheruser"), makeIdentity("idp", "bob")),
		},
		"claim with existing unmapped identity": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			CreateIdentity: makeIdentity("idp", "bob"),

			ExpectedErr: kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
		},
		"claim with existing mapped identity with invalid user UID": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentityWithUserReference("idp", "bob", "mappeduser", "invalidUID"),

			ExpectedErr: kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
		},
		"claim with existing mapped identity without user backreference": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),
			// Update user to a version which does not reference the identity
			UpdateUser: makeUser("mappeduser"),

			ExpectedErr: kerrs.NewNotFound(api.Resource("useridentitymapping"), "idp:bob"),
		},
		"claim returns existing mapping": {
			Identity: makeIdentityInfo("idp", "bob", nil),
			Mapper:   claim,

			CreateUser:     makeUser("mappeduser"),
			CreateIdentity: makeIdentity("idp", "bob"),
			CreateMapping:  makeMapping("mappeduser", "idp:bob"),

			ExpectedUserName:   "******",
			ExpectedIdentities: []string{"idp:bob"},
		},
	}

	oldEtcdClient, err := etcd.GetAndTestEtcdClient(masterConfig.EtcdClientInfo)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	for k, testcase := range testcases {
		// Cleanup
		if _, err := oldEtcdClient.Delete(path.Join(masterConfig.EtcdStorageConfig.OpenShiftStoragePrefix, useretcd.EtcdPrefix), true); err != nil && !etcdutil.IsEtcdNotFound(err) {
			t.Fatalf("Could not clean up users: %v", err)
		}
		if _, err := oldEtcdClient.Delete(path.Join(masterConfig.EtcdStorageConfig.OpenShiftStoragePrefix, identityetcd.EtcdPrefix), true); err != nil && !etcdutil.IsEtcdNotFound(err) {
			t.Fatalf("Could not clean up identities: %v", err)
		}

		// Pre-create items
		if testcase.CreateUser != nil {
			_, err := clusterAdminClient.Users().Create(testcase.CreateUser)
			if err != nil {
				t.Errorf("%s: Could not create user: %v", k, err)
				continue
			}
		}
		if testcase.CreateIdentity != nil {
			_, err := clusterAdminClient.Identities().Create(testcase.CreateIdentity)
			if err != nil {
				t.Errorf("%s: Could not create identity: %v", k, err)
				continue
			}
		}
		if testcase.CreateMapping != nil {
			_, err := clusterAdminClient.UserIdentityMappings().Update(testcase.CreateMapping)
			if err != nil {
				t.Errorf("%s: Could not create mapping: %v", k, err)
				continue
			}
		}
		if testcase.UpdateUser != nil {
			if testcase.UpdateUser.ResourceVersion == "" {
				existingUser, err := clusterAdminClient.Users().Get(testcase.UpdateUser.Name)
				if err != nil {
					t.Errorf("%s: Could not get user to update: %v", k, err)
					continue
				}
				testcase.UpdateUser.ResourceVersion = existingUser.ResourceVersion
			}
			_, err := clusterAdminClient.Users().Update(testcase.UpdateUser)
			if err != nil {
				t.Errorf("%s: Could not update user: %v", k, err)
				continue
			}
		}

		// Spawn 5 simultaneous mappers to test race conditions
		var wg sync.WaitGroup
		for i := 0; i < 5; i++ {
			wg.Add(1)
			go func() {
				defer wg.Done()

				userInfo, err := testcase.Mapper.UserFor(testcase.Identity)
				if err != nil {
					if testcase.ExpectedErr == nil {
						t.Errorf("%s: Expected success, got error '%v'", k, err)
					} else if err.Error() != testcase.ExpectedErr.Error() {
						t.Errorf("%s: Expected error %v, got '%v'", k, testcase.ExpectedErr.Error(), err)
					}
					return
				}
				if err == nil && testcase.ExpectedErr != nil {
					t.Errorf("%s: Expected error '%v', got none", k, testcase.ExpectedErr)
					return
				}

				if userInfo.GetName() != testcase.ExpectedUserName {
					t.Errorf("%s: Expected username %s, got %s", k, testcase.ExpectedUserName, userInfo.GetName())
					return
				}

				user, err := clusterAdminClient.Users().Get(userInfo.GetName())
				if err != nil {
					t.Errorf("%s: Error getting user: %v", k, err)
				}
				if user.FullName != testcase.ExpectedFullName {
					t.Errorf("%s: Expected full name %s, got %s", k, testcase.ExpectedFullName, user.FullName)
				}
				if !reflect.DeepEqual(user.Identities, testcase.ExpectedIdentities) {
					t.Errorf("%s: Expected identities %v, got %v", k, testcase.ExpectedIdentities, user.Identities)
				}
			}()
		}
		wg.Wait()
	}
}