[bugfix] Use gtserror package for WrongType errs (#1930)

* [bugfix] Use gtserror package for WrongType errs

* test

internal/ap/resolve_test.go

@@ -0,0 +1,52 @@
+// 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 ap_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/superseriousbusiness/gotosocial/internal/ap"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+)
+
+type ResolveTestSuite struct {
+	APTestSuite
+}
+
+func (suite *ResolveTestSuite) TestResolveDocumentAsStatusable() {
+	b := []byte(suite.typeToJson(suite.document1))
+
+	statusable, err := ap.ResolveStatusable(context.Background(), b)
+	suite.NoError(err)
+	suite.NotNil(statusable)
+}
+
+func (suite *ResolveTestSuite) TestResolveDocumentAsAccountable() {
+	b := []byte(suite.typeToJson(suite.document1))
+
+	accountable, err := ap.ResolveAccountable(context.Background(), b)
+	suite.True(gtserror.WrongType(err))
+	suite.EqualError(err, "ResolveAccountable: could not resolve *typedocument.ActivityStreamsDocument to Accountable")
+	suite.Nil(accountable)
+}
+
+func TestResolveTestSuite(t *testing.T) {
+	suite.Run(t, &ResolveTestSuite{})
+}