[bugfix] Fix Postgres emoji delete, emoji category change (#2570)

* [bugfix] Fix Postgres emoji delete, emoji category change

* revert trace logging

* caching issue

* update tests

internal/processing/admin/emoji_test.go

@@ -0,0 +1,67 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package admin_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+type EmojiTestSuite struct {
+	AdminStandardTestSuite
+}
+
+func (suite *EmojiTestSuite) TestUpdateEmojiCategory() {
+	ctx := context.Background()
+	testEmoji := new(gtsmodel.Emoji)
+	*testEmoji = *suite.testEmojis["rainbow"]
+
+	// Toggle the emoji category around.
+	for _, categoryName := range []string{
+		"",
+		"newCategory",
+		"newCategory",
+		"newCategory2",
+		"",
+		"reactions",
+		"",
+		"",
+	} {
+		emoji, err := suite.adminProcessor.EmojiUpdate(ctx,
+			testEmoji.ID,
+			&apimodel.EmojiUpdateRequest{
+				Type:         apimodel.EmojiUpdateModify,
+				CategoryName: util.Ptr(categoryName),
+			},
+		)
+		if err != nil {
+			suite.FailNow(err.Error())
+		}
+
+		suite.Equal(categoryName, emoji.Category)
+	}
+}
+
+func TestEmojiTestSuite(t *testing.T) {
+	suite.Run(t, new(EmojiTestSuite))
+}