Derive visibility fixes (#271)

* use pub public const

* don't error on no summary

* move extract visibility to separate function

* extract visibility test

* add addressable interface

internal/ap/extractvisibility_test.go

@@ -0,0 +1,71 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   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 (
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/superseriousbusiness/gotosocial/internal/ap"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+)
+
+type ExtractVisibilityTestSuite struct {
+	ExtractTestSuite
+}
+
+func (suite *ExtractVisibilityTestSuite) TestExtractVisibilityPublic() {
+	a := suite.addressable1
+	visibility, err := ap.ExtractVisibility(a, "http://localhost:8080/users/the_mighty_zork/followers")
+	suite.NoError(err)
+	suite.Equal(visibility, gtsmodel.VisibilityPublic)
+}
+
+func (suite *ExtractVisibilityTestSuite) TestExtractVisibilityUnlocked() {
+	a := suite.addressable2
+	visibility, err := ap.ExtractVisibility(a, "http://localhost:8080/users/the_mighty_zork/followers")
+	suite.NoError(err)
+	suite.Equal(visibility, gtsmodel.VisibilityUnlocked)
+}
+
+func (suite *ExtractVisibilityTestSuite) TestExtractVisibilityFollowersOnly() {
+	a := suite.addressable3
+	visibility, err := ap.ExtractVisibility(a, "http://localhost:8080/users/the_mighty_zork/followers")
+	suite.NoError(err)
+	suite.Equal(visibility, gtsmodel.VisibilityFollowersOnly)
+}
+
+func (suite *ExtractVisibilityTestSuite) TestExtractVisibilityFollowersOnlyAnnounce() {
+	// https://github.com/superseriousbusiness/gotosocial/issues/267
+	a := suite.addressable4
+	visibility, err := ap.ExtractVisibility(a, "https://example.org/users/someone/followers")
+	suite.NoError(err)
+	suite.Equal(visibility, gtsmodel.VisibilityFollowersOnly)
+}
+
+func (suite *ExtractVisibilityTestSuite) TestExtractVisibilityDirect() {
+	a := suite.addressable5
+	visibility, err := ap.ExtractVisibility(a, "http://localhost:8080/users/the_mighty_zork/followers")
+	suite.NoError(err)
+	suite.Equal(visibility, gtsmodel.VisibilityDirect)
+}
+
+func TestExtractVisibilityTestSuite(t *testing.T) {
+	suite.Run(t, &ExtractVisibilityTestSuite{})
+}