Add user profile tests, refactor user API methods (#3030)

This adds tests for `/profile`.
Also, as a first change in this regard, refactors the methods defined on
the `UserInternalAPI` to not use structs as the request/response
parameters.

appservice/api/query.go

@@ -22,8 +22,6 @@ import (
 	"encoding/json"
 	"errors"
 
-	"github.com/matrix-org/gomatrixserverlib"
-
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 )
@@ -150,6 +148,10 @@ type ASLocationResponse struct {
 	Fields   json.RawMessage `json:"fields"`
 }
 
+// ErrProfileNotExists is returned when trying to lookup a user's profile that
+// doesn't exist locally.
+var ErrProfileNotExists = errors.New("no known profile for given user ID")
+
 // RetrieveUserProfile is a wrapper that queries both the local database and
 // application services for a given user's profile
 // TODO: Remove this, it's called from federationapi and clientapi but is a pure function
@@ -157,25 +159,11 @@ func RetrieveUserProfile(
 	ctx context.Context,
 	userID string,
 	asAPI AppServiceInternalAPI,
-	profileAPI userapi.ClientUserAPI,
+	profileAPI userapi.ProfileAPI,
 ) (*authtypes.Profile, error) {
-	localpart, _, err := gomatrixserverlib.SplitID('@', userID)
-	if err != nil {
-		return nil, err
-	}
-
 	// Try to query the user from the local database
-	res := &userapi.QueryProfileResponse{}
-	err = profileAPI.QueryProfile(ctx, &userapi.QueryProfileRequest{UserID: userID}, res)
-	if err != nil {
-		return nil, err
-	}
-	profile := &authtypes.Profile{
-		Localpart:   localpart,
-		DisplayName: res.DisplayName,
-		AvatarURL:   res.AvatarURL,
-	}
-	if res.UserExists {
+	profile, err := profileAPI.QueryProfile(ctx, userID)
+	if err == nil {
 		return profile, nil
 	}
 
@@ -188,19 +176,15 @@ func RetrieveUserProfile(
 
 	// If no user exists, return
 	if !userResp.UserIDExists {
-		return nil, errors.New("no known profile for given user ID")
+		return nil, ErrProfileNotExists
 	}
 
 	// Try to query the user from the local database again
-	err = profileAPI.QueryProfile(ctx, &userapi.QueryProfileRequest{UserID: userID}, res)
+	profile, err = profileAPI.QueryProfile(ctx, userID)
 	if err != nil {
 		return nil, err
 	}
 
 	// profile should not be nil at this point
-	return &authtypes.Profile{
-		Localpart:   localpart,
-		DisplayName: res.DisplayName,
-		AvatarURL:   res.AvatarURL,
-	}, nil
+	return profile, nil
 }

clientapi/admin_test.go

@@ -261,6 +261,25 @@ func TestAdminEvacuateRoom(t *testing.T) {
 				}
 			})
 		}
+
+		// Wait for the FS API to have consumed every message
+		js, _ := natsInstance.Prepare(processCtx, &cfg.Global.JetStream)
+		timeout := time.After(time.Second)
+		for {
+			select {
+			case <-timeout:
+				t.Fatalf("FS API didn't process all events in time")
+			default:
+			}
+			info, err := js.ConsumerInfo(cfg.Global.JetStream.Prefixed(jetstream.OutputRoomEvent), cfg.Global.JetStream.Durable("FederationAPIRoomServerConsumer")+"Pull")
+			if err != nil {
+				time.Sleep(time.Millisecond * 10)
+				continue
+			}
+			if info.NumPending == 0 && info.NumAckPending == 0 {
+				break
+			}
+		}
 	})
 }
 

clientapi/clientapi_test.go

@@ -4,25 +4,30 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
+	"fmt"
+	"io"
 	"net/http"
 	"net/http/httptest"
 	"strings"
 	"testing"
 	"time"
 
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+	"github.com/tidwall/gjson"
+
+	"github.com/matrix-org/dendrite/appservice"
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/internal/caching"
 	"github.com/matrix-org/dendrite/internal/httputil"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/roomserver"
+	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/test/testrig"
 	"github.com/matrix-org/dendrite/userapi"
 	uapi "github.com/matrix-org/dendrite/userapi/api"
-	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/matrix-org/util"
-	"github.com/tidwall/gjson"
 )
 
 type userDevice struct {
@@ -371,3 +376,227 @@ func createAccessTokens(t *testing.T, accessTokens map[*test.User]userDevice, us
 		}
 	}
 }
+
+func TestSetDisplayname(t *testing.T) {
+	alice := test.NewUser(t)
+	bob := test.NewUser(t)
+	notLocalUser := &test.User{ID: "@charlie:localhost", Localpart: "charlie"}
+	changeDisplayName := "my new display name"
+
+	testCases := []struct {
+		name            string
+		user            *test.User
+		wantOK          bool
+		changeReq       io.Reader
+		wantDisplayName string
+	}{
+		{
+			name: "invalid user",
+			user: &test.User{ID: "!notauser"},
+		},
+		{
+			name: "non-existent user",
+			user: &test.User{ID: "@doesnotexist:test"},
+		},
+		{
+			name: "non-local user is not allowed",
+			user: notLocalUser,
+		},
+		{
+			name:            "existing user is allowed to change own name",
+			user:            alice,
+			wantOK:          true,
+			wantDisplayName: changeDisplayName,
+		},
+		{
+			name:            "existing user is not allowed to change own name if name is empty",
+			user:            bob,
+			wantOK:          false,
+			wantDisplayName: "",
+		},
+	}
+
+	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
+		cfg, processCtx, closeDB := testrig.CreateConfig(t, dbType)
+		defer closeDB()
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		routers := httputil.NewRouters()
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		natsInstance := &jetstream.NATSInstance{}
+
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, natsInstance, caches, caching.DisableMetrics)
+		rsAPI.SetFederationAPI(nil, nil)
+		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, natsInstance, rsAPI, nil)
+		asPI := appservice.NewInternalAPI(processCtx, cfg, natsInstance, userAPI, rsAPI)
+
+		AddPublicRoutes(processCtx, routers, cfg, natsInstance, base.CreateFederationClient(cfg, nil), rsAPI, asPI, nil, nil, userAPI, nil, nil, caching.DisableMetrics)
+
+		accessTokens := map[*test.User]userDevice{
+			alice: {},
+			bob:   {},
+		}
+
+		createAccessTokens(t, accessTokens, userAPI, processCtx.Context(), routers)
+
+		for _, tc := range testCases {
+			t.Run(tc.name, func(t *testing.T) {
+				wantDisplayName := tc.user.Localpart
+				if tc.changeReq == nil {
+					tc.changeReq = strings.NewReader("")
+				}
+
+				// check profile after initial account creation
+				rec := httptest.NewRecorder()
+				req := httptest.NewRequest(http.MethodGet, "/_matrix/client/v3/profile/"+tc.user.ID, strings.NewReader(""))
+				t.Logf("%s", req.URL.String())
+				routers.Client.ServeHTTP(rec, req)
+
+				if tc.wantOK && rec.Code != http.StatusOK {
+					t.Fatalf("expected HTTP 200, got %d", rec.Code)
+				}
+
+				if gotDisplayName := gjson.GetBytes(rec.Body.Bytes(), "displayname").Str; tc.wantOK && gotDisplayName != wantDisplayName {
+					t.Fatalf("expected displayname to be '%s', but got '%s'", wantDisplayName, gotDisplayName)
+				}
+
+				// now set the new display name
+				wantDisplayName = tc.wantDisplayName
+				tc.changeReq = strings.NewReader(fmt.Sprintf(`{"displayname":"%s"}`, tc.wantDisplayName))
+
+				rec = httptest.NewRecorder()
+				req = httptest.NewRequest(http.MethodPut, "/_matrix/client/v3/profile/"+tc.user.ID+"/displayname", tc.changeReq)
+				req.Header.Set("Authorization", "Bearer "+accessTokens[tc.user].accessToken)
+
+				routers.Client.ServeHTTP(rec, req)
+				if tc.wantOK && rec.Code != http.StatusOK {
+					t.Fatalf("expected HTTP 200, got %d: %s", rec.Code, rec.Body.String())
+				}
+
+				// now only get the display name
+				rec = httptest.NewRecorder()
+				req = httptest.NewRequest(http.MethodGet, "/_matrix/client/v3/profile/"+tc.user.ID+"/displayname", strings.NewReader(""))
+
+				routers.Client.ServeHTTP(rec, req)
+				if tc.wantOK && rec.Code != http.StatusOK {
+					t.Fatalf("expected HTTP 200, got %d: %s", rec.Code, rec.Body.String())
+				}
+
+				if gotDisplayName := gjson.GetBytes(rec.Body.Bytes(), "displayname").Str; tc.wantOK && gotDisplayName != wantDisplayName {
+					t.Fatalf("expected displayname to be '%s', but got '%s'", wantDisplayName, gotDisplayName)
+				}
+			})
+		}
+	})
+}
+
+func TestSetAvatarURL(t *testing.T) {
+	alice := test.NewUser(t)
+	bob := test.NewUser(t)
+	notLocalUser := &test.User{ID: "@charlie:localhost", Localpart: "charlie"}
+	changeDisplayName := "mxc://newMXID"
+
+	testCases := []struct {
+		name       string
+		user       *test.User
+		wantOK     bool
+		changeReq  io.Reader
+		avatar_url string
+	}{
+		{
+			name: "invalid user",
+			user: &test.User{ID: "!notauser"},
+		},
+		{
+			name: "non-existent user",
+			user: &test.User{ID: "@doesnotexist:test"},
+		},
+		{
+			name: "non-local user is not allowed",
+			user: notLocalUser,
+		},
+		{
+			name:       "existing user is allowed to change own avatar",
+			user:       alice,
+			wantOK:     true,
+			avatar_url: changeDisplayName,
+		},
+		{
+			name:       "existing user is not allowed to change own avatar if avatar is empty",
+			user:       bob,
+			wantOK:     false,
+			avatar_url: "",
+		},
+	}
+
+	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
+		cfg, processCtx, closeDB := testrig.CreateConfig(t, dbType)
+		defer closeDB()
+		caches := caching.NewRistrettoCache(128*1024*1024, time.Hour, caching.DisableMetrics)
+		routers := httputil.NewRouters()
+		cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
+		natsInstance := &jetstream.NATSInstance{}
+
+		rsAPI := roomserver.NewInternalAPI(processCtx, cfg, cm, natsInstance, caches, caching.DisableMetrics)
+		rsAPI.SetFederationAPI(nil, nil)
+		userAPI := userapi.NewInternalAPI(processCtx, cfg, cm, natsInstance, rsAPI, nil)
+		asPI := appservice.NewInternalAPI(processCtx, cfg, natsInstance, userAPI, rsAPI)
+
+		AddPublicRoutes(processCtx, routers, cfg, natsInstance, base.CreateFederationClient(cfg, nil), rsAPI, asPI, nil, nil, userAPI, nil, nil, caching.DisableMetrics)
+
+		accessTokens := map[*test.User]userDevice{
+			alice: {},
+			bob:   {},
+		}
+
+		createAccessTokens(t, accessTokens, userAPI, processCtx.Context(), routers)
+
+		for _, tc := range testCases {
+			t.Run(tc.name, func(t *testing.T) {
+				wantAvatarURL := ""
+				if tc.changeReq == nil {
+					tc.changeReq = strings.NewReader("")
+				}
+
+				// check profile after initial account creation
+				rec := httptest.NewRecorder()
+				req := httptest.NewRequest(http.MethodGet, "/_matrix/client/v3/profile/"+tc.user.ID, strings.NewReader(""))
+				t.Logf("%s", req.URL.String())
+				routers.Client.ServeHTTP(rec, req)
+
+				if tc.wantOK && rec.Code != http.StatusOK {
+					t.Fatalf("expected HTTP 200, got %d", rec.Code)
+				}
+
+				if gotDisplayName := gjson.GetBytes(rec.Body.Bytes(), "avatar_url").Str; tc.wantOK && gotDisplayName != wantAvatarURL {
+					t.Fatalf("expected displayname to be '%s', but got '%s'", wantAvatarURL, gotDisplayName)
+				}
+
+				// now set the new display name
+				wantAvatarURL = tc.avatar_url
+				tc.changeReq = strings.NewReader(fmt.Sprintf(`{"avatar_url":"%s"}`, tc.avatar_url))
+
+				rec = httptest.NewRecorder()
+				req = httptest.NewRequest(http.MethodPut, "/_matrix/client/v3/profile/"+tc.user.ID+"/avatar_url", tc.changeReq)
+				req.Header.Set("Authorization", "Bearer "+accessTokens[tc.user].accessToken)
+
+				routers.Client.ServeHTTP(rec, req)
+				if tc.wantOK && rec.Code != http.StatusOK {
+					t.Fatalf("expected HTTP 200, got %d: %s", rec.Code, rec.Body.String())
+				}
+
+				// now only get the display name
+				rec = httptest.NewRecorder()
+				req = httptest.NewRequest(http.MethodGet, "/_matrix/client/v3/profile/"+tc.user.ID+"/avatar_url", strings.NewReader(""))
+
+				routers.Client.ServeHTTP(rec, req)
+				if tc.wantOK && rec.Code != http.StatusOK {
+					t.Fatalf("expected HTTP 200, got %d: %s", rec.Code, rec.Body.String())
+				}
+
+				if gotDisplayName := gjson.GetBytes(rec.Body.Bytes(), "avatar_url").Str; tc.wantOK && gotDisplayName != wantAvatarURL {
+					t.Fatalf("expected displayname to be '%s', but got '%s'", wantAvatarURL, gotDisplayName)
+				}
+			})
+		}
+	})
+}

clientapi/routing/joinroom.go

@@ -18,6 +18,7 @@ import (
 	"net/http"
 	"time"
 
+	appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
@@ -61,21 +62,19 @@ func JoinRoomByIDOrAlias(
 	// Work out our localpart for the client profile request.
 
 	// Request our profile content to populate the request content with.
-	res := &api.QueryProfileResponse{}
-	err := profileAPI.QueryProfile(req.Context(), &api.QueryProfileRequest{UserID: device.UserID}, res)
-	if err != nil || !res.UserExists {
-		if !res.UserExists {
-			util.GetLogger(req.Context()).Error("Unable to query user profile, no profile found.")
-			return util.JSONResponse{
-				Code: http.StatusInternalServerError,
-				JSON: jsonerror.Unknown("Unable to query user profile, no profile found."),
-			}
-		}
+	profile, err := profileAPI.QueryProfile(req.Context(), device.UserID)
 
-		util.GetLogger(req.Context()).WithError(err).Error("UserProfileAPI.QueryProfile failed")
-	} else {
-		joinReq.Content["displayname"] = res.DisplayName
-		joinReq.Content["avatar_url"] = res.AvatarURL
+	switch err {
+	case nil:
+		joinReq.Content["displayname"] = profile.DisplayName
+		joinReq.Content["avatar_url"] = profile.AvatarURL
+	case appserviceAPI.ErrProfileNotExists:
+		util.GetLogger(req.Context()).Error("Unable to query user profile, no profile found.")
+		return util.JSONResponse{
+			Code: http.StatusInternalServerError,
+			JSON: jsonerror.Unknown("Unable to query user profile, no profile found."),
+		}
+	default:
 	}
 
 	// Ask the roomserver to perform the join.

clientapi/routing/profile.go

@@ -36,14 +36,14 @@ import (
 
 // GetProfile implements GET /profile/{userID}
 func GetProfile(
-	req *http.Request, profileAPI userapi.ClientUserAPI, cfg *config.ClientAPI,
+	req *http.Request, profileAPI userapi.ProfileAPI, cfg *config.ClientAPI,
 	userID string,
 	asAPI appserviceAPI.AppServiceInternalAPI,
 	federation *gomatrixserverlib.FederationClient,
 ) util.JSONResponse {
 	profile, err := getProfile(req.Context(), profileAPI, cfg, userID, asAPI, federation)
 	if err != nil {
-		if err == eventutil.ErrProfileNoExists {
+		if err == appserviceAPI.ErrProfileNotExists {
 			return util.JSONResponse{
 				Code: http.StatusNotFound,
 				JSON: jsonerror.NotFound("The user does not exist or does not have a profile"),
@@ -56,7 +56,7 @@ func GetProfile(
 
 	return util.JSONResponse{
 		Code: http.StatusOK,
-		JSON: eventutil.ProfileResponse{
+		JSON: eventutil.UserProfile{
 			AvatarURL:   profile.AvatarURL,
 			DisplayName: profile.DisplayName,
 		},
@@ -65,34 +65,28 @@ func GetProfile(
 
 // GetAvatarURL implements GET /profile/{userID}/avatar_url
 func GetAvatarURL(
-	req *http.Request, profileAPI userapi.ClientUserAPI, cfg *config.ClientAPI,
+	req *http.Request, profileAPI userapi.ProfileAPI, cfg *config.ClientAPI,
 	userID string, asAPI appserviceAPI.AppServiceInternalAPI,
 	federation *gomatrixserverlib.FederationClient,
 ) util.JSONResponse {
-	profile, err := getProfile(req.Context(), profileAPI, cfg, userID, asAPI, federation)
-	if err != nil {
-		if err == eventutil.ErrProfileNoExists {
-			return util.JSONResponse{
-				Code: http.StatusNotFound,
-				JSON: jsonerror.NotFound("The user does not exist or does not have a profile"),
-			}
-		}
-
-		util.GetLogger(req.Context()).WithError(err).Error("getProfile failed")
-		return jsonerror.InternalServerError()
+	profile := GetProfile(req, profileAPI, cfg, userID, asAPI, federation)
+	p, ok := profile.JSON.(eventutil.UserProfile)
+	// not a profile response, so most likely an error, return that
+	if !ok {
+		return profile
 	}
 
 	return util.JSONResponse{
 		Code: http.StatusOK,
-		JSON: eventutil.AvatarURL{
-			AvatarURL: profile.AvatarURL,
+		JSON: eventutil.UserProfile{
+			AvatarURL: p.AvatarURL,
 		},
 	}
 }
 
 // SetAvatarURL implements PUT /profile/{userID}/avatar_url
 func SetAvatarURL(
-	req *http.Request, profileAPI userapi.ClientUserAPI,
+	req *http.Request, profileAPI userapi.ProfileAPI,
 	device *userapi.Device, userID string, cfg *config.ClientAPI, rsAPI api.ClientRoomserverAPI,
 ) util.JSONResponse {
 	if userID != device.UserID {
@@ -102,7 +96,7 @@ func SetAvatarURL(
 		}
 	}
 
-	var r eventutil.AvatarURL
+	var r eventutil.UserProfile
 	if resErr := httputil.UnmarshalJSONRequest(req, &r); resErr != nil {
 		return *resErr
 	}
@@ -134,24 +128,20 @@ func SetAvatarURL(
 		}
 	}
 
-	setRes := &userapi.PerformSetAvatarURLResponse{}
-	if err = profileAPI.SetAvatarURL(req.Context(), &userapi.PerformSetAvatarURLRequest{
-		Localpart:  localpart,
-		ServerName: domain,
-		AvatarURL:  r.AvatarURL,
-	}, setRes); err != nil {
+	profile, changed, err := profileAPI.SetAvatarURL(req.Context(), localpart, domain, r.AvatarURL)
+	if err != nil {
 		util.GetLogger(req.Context()).WithError(err).Error("profileAPI.SetAvatarURL failed")
 		return jsonerror.InternalServerError()
 	}
 	// No need to build new membership events, since nothing changed
-	if !setRes.Changed {
+	if !changed {
 		return util.JSONResponse{
 			Code: http.StatusOK,
 			JSON: struct{}{},
 		}
 	}
 
-	response, err := updateProfile(req.Context(), rsAPI, device, setRes.Profile, userID, cfg, evTime)
+	response, err := updateProfile(req.Context(), rsAPI, device, profile, userID, cfg, evTime)
 	if err != nil {
 		return response
 	}
@@ -164,34 +154,28 @@ func SetAvatarURL(
 
 // GetDisplayName implements GET /profile/{userID}/displayname
 func GetDisplayName(
-	req *http.Request, profileAPI userapi.ClientUserAPI, cfg *config.ClientAPI,
+	req *http.Request, profileAPI userapi.ProfileAPI, cfg *config.ClientAPI,
 	userID string, asAPI appserviceAPI.AppServiceInternalAPI,
 	federation *gomatrixserverlib.FederationClient,
 ) util.JSONResponse {
-	profile, err := getProfile(req.Context(), profileAPI, cfg, userID, asAPI, federation)
-	if err != nil {
-		if err == eventutil.ErrProfileNoExists {
-			return util.JSONResponse{
-				Code: http.StatusNotFound,
-				JSON: jsonerror.NotFound("The user does not exist or does not have a profile"),
-			}
-		}
-
-		util.GetLogger(req.Context()).WithError(err).Error("getProfile failed")
-		return jsonerror.InternalServerError()
+	profile := GetProfile(req, profileAPI, cfg, userID, asAPI, federation)
+	p, ok := profile.JSON.(eventutil.UserProfile)
+	// not a profile response, so most likely an error, return that
+	if !ok {
+		return profile
 	}
 
 	return util.JSONResponse{
 		Code: http.StatusOK,
-		JSON: eventutil.DisplayName{
-			DisplayName: profile.DisplayName,
+		JSON: eventutil.UserProfile{
+			DisplayName: p.DisplayName,
 		},
 	}
 }
 
 // SetDisplayName implements PUT /profile/{userID}/displayname
 func SetDisplayName(
-	req *http.Request, profileAPI userapi.ClientUserAPI,
+	req *http.Request, profileAPI userapi.ProfileAPI,
 	device *userapi.Device, userID string, cfg *config.ClientAPI, rsAPI api.ClientRoomserverAPI,
 ) util.JSONResponse {
 	if userID != device.UserID {
@@ -201,7 +185,7 @@ func SetDisplayName(
 		}
 	}
 
-	var r eventutil.DisplayName
+	var r eventutil.UserProfile
 	if resErr := httputil.UnmarshalJSONRequest(req, &r); resErr != nil {
 		return *resErr
 	}
@@ -233,25 +217,20 @@ func SetDisplayName(
 		}
 	}
 
-	profileRes := &userapi.PerformUpdateDisplayNameResponse{}
-	err = profileAPI.SetDisplayName(req.Context(), &userapi.PerformUpdateDisplayNameRequest{
-		Localpart:   localpart,
-		ServerName:  domain,
-		DisplayName: r.DisplayName,
-	}, profileRes)
+	profile, changed, err := profileAPI.SetDisplayName(req.Context(), localpart, domain, r.DisplayName)
 	if err != nil {
 		util.GetLogger(req.Context()).WithError(err).Error("profileAPI.SetDisplayName failed")
 		return jsonerror.InternalServerError()
 	}
 	// No need to build new membership events, since nothing changed
-	if !profileRes.Changed {
+	if !changed {
 		return util.JSONResponse{
 			Code: http.StatusOK,
 			JSON: struct{}{},
 		}
 	}
 
-	response, err := updateProfile(req.Context(), rsAPI, device, profileRes.Profile, userID, cfg, evTime)
+	response, err := updateProfile(req.Context(), rsAPI, device, profile, userID, cfg, evTime)
 	if err != nil {
 		return response
 	}
@@ -308,9 +287,9 @@ func updateProfile(
 // getProfile gets the full profile of a user by querying the database or a
 // remote homeserver.
 // Returns an error when something goes wrong or specifically
-// eventutil.ErrProfileNoExists when the profile doesn't exist.
+// eventutil.ErrProfileNotExists when the profile doesn't exist.
 func getProfile(
-	ctx context.Context, profileAPI userapi.ClientUserAPI, cfg *config.ClientAPI,
+	ctx context.Context, profileAPI userapi.ProfileAPI, cfg *config.ClientAPI,
 	userID string,
 	asAPI appserviceAPI.AppServiceInternalAPI,
 	federation *gomatrixserverlib.FederationClient,
@@ -325,7 +304,7 @@ func getProfile(
 		if fedErr != nil {
 			if x, ok := fedErr.(gomatrix.HTTPError); ok {
 				if x.Code == http.StatusNotFound {
-					return nil, eventutil.ErrProfileNoExists
+					return nil, appserviceAPI.ErrProfileNotExists
 				}
 			}
 

clientapi/routing/register.go

@@ -888,13 +888,7 @@ func completeRegistration(
 	}
 
 	if displayName != "" {
-		nameReq := userapi.PerformUpdateDisplayNameRequest{
-			Localpart:   username,
-			ServerName:  serverName,
-			DisplayName: displayName,
-		}
-		var nameRes userapi.PerformUpdateDisplayNameResponse
-		err = userAPI.SetDisplayName(ctx, &nameReq, &nameRes)
+		_, _, err = userAPI.SetDisplayName(ctx, username, serverName, displayName)
 		if err != nil {
 			return util.JSONResponse{
 				Code: http.StatusInternalServerError,

clientapi/routing/register_test.go

@@ -611,11 +611,9 @@ func TestRegisterUserWithDisplayName(t *testing.T) {
 
 		assert.Equal(t, http.StatusOK, response.Code)
 
-		req := api.QueryProfileRequest{UserID: "@user:server"}
-		var res api.QueryProfileResponse
-		err := userAPI.QueryProfile(processCtx.Context(), &req, &res)
+		profile, err := userAPI.QueryProfile(processCtx.Context(), "@user:server")
 		assert.NoError(t, err)
-		assert.Equal(t, expectedDisplayName, res.DisplayName)
+		assert.Equal(t, expectedDisplayName, profile.DisplayName)
 	})
 }
 
@@ -662,10 +660,8 @@ func TestRegisterAdminUsingSharedSecret(t *testing.T) {
 		)
 		assert.Equal(t, http.StatusOK, response.Code)
 
-		profilReq := api.QueryProfileRequest{UserID: "@alice:server"}
-		var profileRes api.QueryProfileResponse
-		err = userAPI.QueryProfile(processCtx.Context(), &profilReq, &profileRes)
+		profile, err := userAPI.QueryProfile(processCtx.Context(), "@alice:server")
 		assert.NoError(t, err)
-		assert.Equal(t, expectedDisplayName, profileRes.DisplayName)
+		assert.Equal(t, expectedDisplayName, profile.DisplayName)
 	})
 }

clientapi/routing/server_notices.go

@@ -295,30 +295,28 @@ func getSenderDevice(
 	}
 
 	// Set the avatarurl for the user
-	avatarRes := &userapi.PerformSetAvatarURLResponse{}
-	if err = userAPI.SetAvatarURL(ctx, &userapi.PerformSetAvatarURLRequest{
-		Localpart:  cfg.Matrix.ServerNotices.LocalPart,
-		ServerName: cfg.Matrix.ServerName,
-		AvatarURL:  cfg.Matrix.ServerNotices.AvatarURL,
-	}, avatarRes); err != nil {
+	profile, avatarChanged, err := userAPI.SetAvatarURL(ctx,
+		cfg.Matrix.ServerNotices.LocalPart,
+		cfg.Matrix.ServerName,
+		cfg.Matrix.ServerNotices.AvatarURL,
+	)
+	if err != nil {
 		util.GetLogger(ctx).WithError(err).Error("userAPI.SetAvatarURL failed")
 		return nil, err
 	}
 
-	profile := avatarRes.Profile
-
 	// Set the displayname for the user
-	displayNameRes := &userapi.PerformUpdateDisplayNameResponse{}
-	if err = userAPI.SetDisplayName(ctx, &userapi.PerformUpdateDisplayNameRequest{
-		Localpart:   cfg.Matrix.ServerNotices.LocalPart,
-		ServerName:  cfg.Matrix.ServerName,
-		DisplayName: cfg.Matrix.ServerNotices.DisplayName,
-	}, displayNameRes); err != nil {
+	_, displayNameChanged, err := userAPI.SetDisplayName(ctx,
+		cfg.Matrix.ServerNotices.LocalPart,
+		cfg.Matrix.ServerName,
+		cfg.Matrix.ServerNotices.DisplayName,
+	)
+	if err != nil {
 		util.GetLogger(ctx).WithError(err).Error("userAPI.SetDisplayName failed")
 		return nil, err
 	}
 
-	if displayNameRes.Changed {
+	if displayNameChanged {
 		profile.DisplayName = cfg.Matrix.ServerNotices.DisplayName
 	}
 
@@ -334,7 +332,7 @@ func getSenderDevice(
 	// We've got an existing account, return the first device of it
 	if len(deviceRes.Devices) > 0 {
 		// If there were changes to the profile, create a new membership event
-		if displayNameRes.Changed || avatarRes.Changed {
+		if displayNameChanged || avatarChanged {
 			_, err = updateProfile(ctx, rsAPI, &deviceRes.Devices[0], profile, accRes.Account.UserID, cfg, time.Now())
 			if err != nil {
 				return nil, err

clientapi/threepid/invites.go

@@ -209,24 +209,17 @@ func queryIDServerStoreInvite(
 	body *MembershipRequest, roomID string,
 ) (*idServerStoreInviteResponse, error) {
 	// Retrieve the sender's profile to get their display name
-	localpart, serverName, err := gomatrixserverlib.SplitID('@', device.UserID)
+	_, serverName, err := gomatrixserverlib.SplitID('@', device.UserID)
 	if err != nil {
 		return nil, err
 	}
 
 	var profile *authtypes.Profile
 	if cfg.Matrix.IsLocalServerName(serverName) {
-		res := &userapi.QueryProfileResponse{}
-		err = userAPI.QueryProfile(ctx, &userapi.QueryProfileRequest{UserID: device.UserID}, res)
+		profile, err = userAPI.QueryProfile(ctx, device.UserID)
 		if err != nil {
 			return nil, err
 		}
-		profile = &authtypes.Profile{
-			Localpart:   localpart,
-			DisplayName: res.DisplayName,
-			AvatarURL:   res.AvatarURL,
-		}
-
 	} else {
 		profile = &authtypes.Profile{}
 	}

federationapi/routing/profile.go

@@ -50,10 +50,7 @@ func GetProfile(
 		}
 	}
 
-	var profileRes userapi.QueryProfileResponse
-	err = userAPI.QueryProfile(httpReq.Context(), &userapi.QueryProfileRequest{
-		UserID: userID,
-	}, &profileRes)
+	profile, err := userAPI.QueryProfile(httpReq.Context(), userID)
 	if err != nil {
 		util.GetLogger(httpReq.Context()).WithError(err).Error("userAPI.QueryProfile failed")
 		return jsonerror.InternalServerError()
@@ -65,21 +62,21 @@ func GetProfile(
 	if field != "" {
 		switch field {
 		case "displayname":
-			res = eventutil.DisplayName{
-				DisplayName: profileRes.DisplayName,
+			res = eventutil.UserProfile{
+				DisplayName: profile.DisplayName,
 			}
 		case "avatar_url":
-			res = eventutil.AvatarURL{
-				AvatarURL: profileRes.AvatarURL,
+			res = eventutil.UserProfile{
+				AvatarURL: profile.AvatarURL,
 			}
 		default:
 			code = http.StatusBadRequest
 			res = jsonerror.InvalidArgumentValue("The request body did not contain an allowed value of argument 'field'. Allowed values are either: 'avatar_url', 'displayname'.")
 		}
 	} else {
-		res = eventutil.ProfileResponse{
-			AvatarURL:   profileRes.AvatarURL,
-			DisplayName: profileRes.DisplayName,
+		res = eventutil.UserProfile{
+			AvatarURL:   profile.AvatarURL,
+			DisplayName: profile.DisplayName,
 		}
 	}
 

federationapi/routing/profile_test.go

@@ -23,6 +23,7 @@ import (
 	"testing"
 
 	"github.com/gorilla/mux"
+	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/signing"
 	fedAPI "github.com/matrix-org/dendrite/federationapi"
 	fedInternal "github.com/matrix-org/dendrite/federationapi/internal"
@@ -43,8 +44,8 @@ type fakeUserAPI struct {
 	userAPI.FederationUserAPI
 }
 
-func (u *fakeUserAPI) QueryProfile(ctx context.Context, req *userAPI.QueryProfileRequest, res *userAPI.QueryProfileResponse) error {
-	return nil
+func (u *fakeUserAPI) QueryProfile(ctx context.Context, userID string) (*authtypes.Profile, error) {
+	return &authtypes.Profile{}, nil
 }
 
 func TestHandleQueryProfile(t *testing.T) {

federationapi/routing/threepid.go

@@ -256,17 +256,14 @@ func createInviteFrom3PIDInvite(
 		StateKey: &inv.MXID,
 	}
 
-	var res userapi.QueryProfileResponse
-	err = userAPI.QueryProfile(ctx, &userapi.QueryProfileRequest{
-		UserID: inv.MXID,
-	}, &res)
+	profile, err := userAPI.QueryProfile(ctx, inv.MXID)
 	if err != nil {
 		return nil, err
 	}
 
 	content := gomatrixserverlib.MemberContent{
-		AvatarURL:   res.AvatarURL,
-		DisplayName: res.DisplayName,
+		AvatarURL:   profile.AvatarURL,
+		DisplayName: profile.DisplayName,
 		Membership:  gomatrixserverlib.Invite,
 		ThirdPartyInvite: &gomatrixserverlib.MemberThirdPartyInvite{
 			Signed: inv.Signed,

internal/eventutil/types.go

@@ -15,16 +15,11 @@
 package eventutil
 
 import (
-	"errors"
 	"strconv"
 
 	"github.com/matrix-org/dendrite/syncapi/types"
 )
 
-// ErrProfileNoExists is returned when trying to lookup a user's profile that
-// doesn't exist locally.
-var ErrProfileNoExists = errors.New("no known profile for given user ID")
-
 // AccountData represents account data sent from the client API server to the
 // sync API server
 type AccountData struct {
@@ -56,20 +51,10 @@ type NotificationData struct {
 	UnreadNotificationCount int `json:"unread_notification_count"`
 }
 
-// ProfileResponse is a struct containing all known user profile data
-type ProfileResponse struct {
-	AvatarURL   string `json:"avatar_url"`
-	DisplayName string `json:"displayname"`
-}
-
-// AvatarURL is a struct containing only the URL to a user's avatar
-type AvatarURL struct {
-	AvatarURL string `json:"avatar_url"`
-}
-
-// DisplayName is a struct containing only a user's display name
-type DisplayName struct {
-	DisplayName string `json:"displayname"`
+// UserProfile is a struct containing all known user profile data
+type UserProfile struct {
+	AvatarURL   string `json:"avatar_url,omitempty"`
+	DisplayName string `json:"displayname,omitempty"`
 }
 
 // WeakBoolean is a type that will Unmarshal to true or false even if the encoded

test/user.go

@@ -17,6 +17,7 @@ package test
 import (
 	"crypto/ed25519"
 	"fmt"
+	"strconv"
 	"sync/atomic"
 	"testing"
 
@@ -47,6 +48,7 @@ var (
 
 type User struct {
 	ID          string
+	Localpart   string
 	AccountType api.AccountType
 	// key ID and private key of the server who has this user, if known.
 	keyID   gomatrixserverlib.KeyID
@@ -81,6 +83,7 @@ func NewUser(t *testing.T, opts ...UserOpt) *User {
 		WithSigningServer(serverName, keyID, privateKey)(&u)
 	}
 	u.ID = fmt.Sprintf("@%d:%s", counter, u.srvName)
+	u.Localpart = strconv.Itoa(int(counter))
 	t.Logf("NewUser: created user %s", u.ID)
 	return &u
 }

userapi/api/api.go

@@ -58,7 +58,7 @@ type MediaUserAPI interface {
 type FederationUserAPI interface {
 	UploadDeviceKeysAPI
 	QueryOpenIDToken(ctx context.Context, req *QueryOpenIDTokenRequest, res *QueryOpenIDTokenResponse) error
-	QueryProfile(ctx context.Context, req *QueryProfileRequest, res *QueryProfileResponse) error
+	QueryProfile(ctx context.Context, userID string) (*authtypes.Profile, error)
 	QueryDevices(ctx context.Context, req *QueryDevicesRequest, res *QueryDevicesResponse) error
 	QueryKeys(ctx context.Context, req *QueryKeysRequest, res *QueryKeysResponse) error
 	QuerySignatures(ctx context.Context, req *QuerySignaturesRequest, res *QuerySignaturesResponse) error
@@ -83,9 +83,9 @@ type ClientUserAPI interface {
 	LoginTokenInternalAPI
 	UserLoginAPI
 	ClientKeyAPI
+	ProfileAPI
 	QueryNumericLocalpart(ctx context.Context, req *QueryNumericLocalpartRequest, res *QueryNumericLocalpartResponse) error
 	QueryDevices(ctx context.Context, req *QueryDevicesRequest, res *QueryDevicesResponse) error
-	QueryProfile(ctx context.Context, req *QueryProfileRequest, res *QueryProfileResponse) error
 	QueryAccountData(ctx context.Context, req *QueryAccountDataRequest, res *QueryAccountDataResponse) error
 	QueryPushers(ctx context.Context, req *QueryPushersRequest, res *QueryPushersResponse) error
 	QueryPushRules(ctx context.Context, req *QueryPushRulesRequest, res *QueryPushRulesResponse) error
@@ -100,8 +100,6 @@ type ClientUserAPI interface {
 	PerformPushRulesPut(ctx context.Context, req *PerformPushRulesPutRequest, res *struct{}) error
 	PerformAccountDeactivation(ctx context.Context, req *PerformAccountDeactivationRequest, res *PerformAccountDeactivationResponse) error
 	PerformOpenIDTokenCreation(ctx context.Context, req *PerformOpenIDTokenCreationRequest, res *PerformOpenIDTokenCreationResponse) error
-	SetAvatarURL(ctx context.Context, req *PerformSetAvatarURLRequest, res *PerformSetAvatarURLResponse) error
-	SetDisplayName(ctx context.Context, req *PerformUpdateDisplayNameRequest, res *PerformUpdateDisplayNameResponse) error
 	QueryNotifications(ctx context.Context, req *QueryNotificationsRequest, res *QueryNotificationsResponse) error
 	InputAccountData(ctx context.Context, req *InputAccountDataRequest, res *InputAccountDataResponse) error
 	PerformKeyBackup(ctx context.Context, req *PerformKeyBackupRequest, res *PerformKeyBackupResponse) error
@@ -113,6 +111,12 @@ type ClientUserAPI interface {
 	PerformSaveThreePIDAssociation(ctx context.Context, req *PerformSaveThreePIDAssociationRequest, res *struct{}) error
 }
 
+type ProfileAPI interface {
+	QueryProfile(ctx context.Context, userID string) (*authtypes.Profile, error)
+	SetAvatarURL(ctx context.Context, localpart string, serverName gomatrixserverlib.ServerName, avatarURL string) (*authtypes.Profile, bool, error)
+	SetDisplayName(ctx context.Context, localpart string, serverName gomatrixserverlib.ServerName, displayName string) (*authtypes.Profile, bool, error)
+}
+
 // custom api functions required by pinecone / p2p demos
 type QuerySearchProfilesAPI interface {
 	QuerySearchProfiles(ctx context.Context, req *QuerySearchProfilesRequest, res *QuerySearchProfilesResponse) error
@@ -290,22 +294,6 @@ type QueryDevicesResponse struct {
 	Devices    []Device
 }
 
-// QueryProfileRequest is the request for QueryProfile
-type QueryProfileRequest struct {
-	// The user ID to query
-	UserID string
-}
-
-// QueryProfileResponse is the response for QueryProfile
-type QueryProfileResponse struct {
-	// True if the user exists. Querying for a profile does not create them.
-	UserExists bool
-	// The current display name if set.
-	DisplayName string
-	// The current avatar URL if set.
-	AvatarURL string
-}
-
 // QuerySearchProfilesRequest is the request for QueryProfile
 type QuerySearchProfilesRequest struct {
 	// The search string to match
@@ -600,16 +588,6 @@ type Notification struct {
 	TS         gomatrixserverlib.Timestamp   `json:"ts"`          // Required.
 }
 
-type PerformSetAvatarURLRequest struct {
-	Localpart  string
-	ServerName gomatrixserverlib.ServerName
-	AvatarURL  string
-}
-type PerformSetAvatarURLResponse struct {
-	Profile *authtypes.Profile `json:"profile"`
-	Changed bool               `json:"changed"`
-}
-
 type QueryNumericLocalpartRequest struct {
 	ServerName gomatrixserverlib.ServerName
 }
@@ -638,17 +616,6 @@ type QueryAccountByPasswordResponse struct {
 	Exists  bool
 }
 
-type PerformUpdateDisplayNameRequest struct {
-	Localpart   string
-	ServerName  gomatrixserverlib.ServerName
-	DisplayName string
-}
-
-type PerformUpdateDisplayNameResponse struct {
-	Profile *authtypes.Profile `json:"profile"`
-	Changed bool               `json:"changed"`
-}
-
 type QueryLocalpartForThreePIDRequest struct {
 	ThreePID, Medium string
 }

userapi/internal/user_api.go

@@ -23,6 +23,8 @@ import (
 	"strconv"
 	"time"
 
+	appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
+	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	fedsenderapi "github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
@@ -418,25 +420,26 @@ func (a *UserInternalAPI) PerformDeviceUpdate(ctx context.Context, req *api.Perf
 	return nil
 }
 
-func (a *UserInternalAPI) QueryProfile(ctx context.Context, req *api.QueryProfileRequest, res *api.QueryProfileResponse) error {
-	local, domain, err := gomatrixserverlib.SplitID('@', req.UserID)
+var (
+	ErrIsRemoteServer = errors.New("cannot query profile of remote users")
+)
+
+func (a *UserInternalAPI) QueryProfile(ctx context.Context, userID string) (*authtypes.Profile, error) {
+	local, domain, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
-		return err
+		return nil, err
 	}
 	if !a.Config.Matrix.IsLocalServerName(domain) {
-		return fmt.Errorf("cannot query profile of remote users (server name %s)", domain)
+		return nil, ErrIsRemoteServer
 	}
 	prof, err := a.DB.GetProfileByLocalpart(ctx, local, domain)
 	if err != nil {
 		if err == sql.ErrNoRows {
-			return nil
+			return nil, appserviceAPI.ErrProfileNotExists
 		}
-		return err
+		return nil, err
 	}
-	res.UserExists = true
-	res.AvatarURL = prof.AvatarURL
-	res.DisplayName = prof.DisplayName
-	return nil
+	return prof, nil
 }
 
 func (a *UserInternalAPI) QuerySearchProfiles(ctx context.Context, req *api.QuerySearchProfilesRequest, res *api.QuerySearchProfilesResponse) error {
@@ -901,11 +904,8 @@ func (a *UserInternalAPI) QueryPushRules(ctx context.Context, req *api.QueryPush
 	return nil
 }
 
-func (a *UserInternalAPI) SetAvatarURL(ctx context.Context, req *api.PerformSetAvatarURLRequest, res *api.PerformSetAvatarURLResponse) error {
-	profile, changed, err := a.DB.SetAvatarURL(ctx, req.Localpart, req.ServerName, req.AvatarURL)
-	res.Profile = profile
-	res.Changed = changed
-	return err
+func (a *UserInternalAPI) SetAvatarURL(ctx context.Context, localpart string, serverName gomatrixserverlib.ServerName, avatarURL string) (*authtypes.Profile, bool, error) {
+	return a.DB.SetAvatarURL(ctx, localpart, serverName, avatarURL)
 }
 
 func (a *UserInternalAPI) QueryNumericLocalpart(ctx context.Context, req *api.QueryNumericLocalpartRequest, res *api.QueryNumericLocalpartResponse) error {
@@ -939,11 +939,8 @@ func (a *UserInternalAPI) QueryAccountByPassword(ctx context.Context, req *api.Q
 	}
 }
 
-func (a *UserInternalAPI) SetDisplayName(ctx context.Context, req *api.PerformUpdateDisplayNameRequest, res *api.PerformUpdateDisplayNameResponse) error {
-	profile, changed, err := a.DB.SetDisplayName(ctx, req.Localpart, req.ServerName, req.DisplayName)
-	res.Profile = profile
-	res.Changed = changed
-	return err
+func (a *UserInternalAPI) SetDisplayName(ctx context.Context, localpart string, serverName gomatrixserverlib.ServerName, displayName string) (*authtypes.Profile, bool, error) {
+	return a.DB.SetDisplayName(ctx, localpart, serverName, displayName)
 }
 
 func (a *UserInternalAPI) QueryLocalpartForThreePID(ctx context.Context, req *api.QueryLocalpartForThreePIDRequest, res *api.QueryLocalpartForThreePIDResponse) error {

userapi/userapi_test.go

@@ -22,6 +22,8 @@ import (
 	"testing"
 	"time"
 
+	api2 "github.com/matrix-org/dendrite/appservice/api"
+	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/userapi/producers"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -111,33 +113,26 @@ func TestQueryProfile(t *testing.T) {
 	aliceDisplayName := "Alice"
 
 	testCases := []struct {
-		req     api.QueryProfileRequest
-		wantRes api.QueryProfileResponse
+		userID  string
+		wantRes *authtypes.Profile
 		wantErr error
 	}{
 		{
-			req: api.QueryProfileRequest{
-				UserID: fmt.Sprintf("@alice:%s", serverName),
-			},
-			wantRes: api.QueryProfileResponse{
-				UserExists:  true,
-				AvatarURL:   aliceAvatarURL,
+			userID: fmt.Sprintf("@alice:%s", serverName),
+			wantRes: &authtypes.Profile{
+				Localpart:   "alice",
 				DisplayName: aliceDisplayName,
+				AvatarURL:   aliceAvatarURL,
+				ServerName:  string(serverName),
 			},
 		},
 		{
-			req: api.QueryProfileRequest{
-				UserID: fmt.Sprintf("@bob:%s", serverName),
-			},
-			wantRes: api.QueryProfileResponse{
-				UserExists: false,
-			},
+			userID:  fmt.Sprintf("@bob:%s", serverName),
+			wantErr: api2.ErrProfileNotExists,
 		},
 		{
-			req: api.QueryProfileRequest{
-				UserID: "@alice:wrongdomain.com",
-			},
-			wantErr: fmt.Errorf("wrong domain"),
+			userID:  "@alice:wrongdomain.com",
+			wantErr: api2.ErrProfileNotExists,
 		},
 	}
 
@@ -147,14 +142,14 @@ func TestQueryProfile(t *testing.T) {
 			mode = "HTTP"
 		}
 		for _, tc := range testCases {
-			var gotRes api.QueryProfileResponse
-			gotErr := testAPI.QueryProfile(context.TODO(), &tc.req, &gotRes)
+
+			profile, gotErr := testAPI.QueryProfile(context.TODO(), tc.userID)
 			if tc.wantErr == nil && gotErr != nil || tc.wantErr != nil && gotErr == nil {
 				t.Errorf("QueryProfile %s error, got %s want %s", mode, gotErr, tc.wantErr)
 				continue
 			}
-			if !reflect.DeepEqual(tc.wantRes, gotRes) {
-				t.Errorf("QueryProfile %s response got %+v want %+v", mode, gotRes, tc.wantRes)
+			if !reflect.DeepEqual(tc.wantRes, profile) {
+				t.Errorf("QueryProfile %s response got %+v want %+v", mode, profile, tc.wantRes)
 			}
 		}
 	}