is: Add email notification preferences flow test

pkg/identityserver/email_notification_preferences_test.go

@@ -0,0 +1,71 @@
+// Copyright © 2024 The Things Network Foundation, The Things Industries B.V.
+//
+// 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 identityserver
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"go.thethings.network/lorawan-stack/v3/pkg/errors"
+	"go.thethings.network/lorawan-stack/v3/pkg/identityserver/storetest"
+	"go.thethings.network/lorawan-stack/v3/pkg/ttnpb"
+	"go.thethings.network/lorawan-stack/v3/pkg/util/test"
+	"go.thethings.network/lorawan-stack/v3/pkg/util/test/assertions/should"
+	"google.golang.org/grpc"
+)
+
+func TestEmailNotificationPreferences(t *testing.T) {
+	p := &storetest.Population{}
+	admin := p.NewUser()
+	admin.Admin = true
+	admin.EmailNotificationPreferences = &ttnpb.EmailNotificationPreferences{
+		Types: []ttnpb.NotificationType{
+			ttnpb.NotificationType_API_KEY_CREATED,
+		},
+	}
+	adminKey, _ := p.NewAPIKey(admin.GetEntityIdentifiers(), ttnpb.Right_RIGHT_ALL)
+	adminCreds := rpcCreds(adminKey)
+
+	t.Parallel()
+	a, ctx := test.New(t)
+
+	testWithIdentityServer(t, func(is *IdentityServer, cc *grpc.ClientConn) {
+		is.config.Email.Provider = "dir"
+		tempDir := t.TempDir()
+		is.config.Email.Dir = tempDir
+
+		reg := ttnpb.NewUserAccessClient(cc)
+
+		apiKey, err := reg.CreateAPIKey(ctx, &ttnpb.CreateUserAPIKeyRequest{
+			UserIds: admin.GetIds(),
+			Name:    "api-key-name",
+			Rights:  []ttnpb.Right{ttnpb.Right_RIGHT_USER_ALL},
+		}, adminCreds)
+		if a.So(err, should.NotBeNil) {
+			a.So(errors.IsNotFound(err), should.BeTrue)
+		}
+		a.So(apiKey, should.BeNil)
+
+		entries, err := os.ReadDir(tempDir)
+		if a.So(err, should.BeNil) && a.So(entries, should.HaveLength, 1) {
+			data, err := os.ReadFile(filepath.Join(tempDir, entries[0].Name()))
+			fmt.Printf("/////////////data: %v\n", string(data))
+			a.So(err, should.BeNil)
+			a.So(string(data), should.ContainSubstring, "<p>A new API key has just been created for your user")
+		}
+	})
+}

pkg/identityserver/storetest/user_store.go

@@ -265,6 +265,11 @@ func (st *StoreTest) TestUserStoreCRUD(t *T) {
 					},
 				},
 			)
+			a.So(updated.EmailNotificationPreferences, should.Resemble, &ttnpb.EmailNotificationPreferences{
+				Types: []ttnpb.NotificationType{
+					ttnpb.NotificationType_API_KEY_CREATED,
+				},
+			})
 			a.So(*ttnpb.StdTime(updated.CreatedAt), should.Equal, *ttnpb.StdTime(created.CreatedAt))
 			a.So(*ttnpb.StdTime(updated.UpdatedAt), should.HappenWithin, 5*time.Second, start)
 		}