[CI] DEFAULT_ACTIONS_URL support for self & github (squash)

Refs: https://codeberg.org/forgejo/forgejo/issues/1062
(cherry picked from commit 74cc25376e)

modules/setting/actions_test.go

@@ -8,6 +8,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func Test_getStorageInheritNameSectionTypeForActions(t *testing.T) {
@@ -95,3 +96,63 @@ STORAGE_TYPE = minio
 	assert.EqualValues(t, "local", Actions.ArtifactStorage.Type)
 	assert.EqualValues(t, "actions_artifacts", filepath.Base(Actions.ArtifactStorage.Path))
 }
+
+func Test_getDefaultActionsURLForActions(t *testing.T) {
+	oldActions := Actions
+	oldAppURL := AppURL
+	defer func() {
+		Actions = oldActions
+		AppURL = oldAppURL
+	}()
+
+	AppURL = "http://test_get_default_actions_url_for_actions:3000/"
+
+	tests := []struct {
+		name    string
+		iniStr  string
+		wantURL string
+	}{
+		{
+			name: "default",
+			iniStr: `
+[actions]
+`,
+			wantURL: "https://code.forgejo.org",
+		},
+		{
+			name: "github",
+			iniStr: `
+[actions]
+DEFAULT_ACTIONS_URL = github
+`,
+			wantURL: "https://github.com",
+		},
+		{
+			name: "self",
+			iniStr: `
+[actions]
+DEFAULT_ACTIONS_URL = self
+`,
+			wantURL: "http://test_get_default_actions_url_for_actions:3000",
+		},
+		{
+			name: "custom urls",
+			iniStr: `
+[actions]
+DEFAULT_ACTIONS_URL = https://example.com
+`,
+			wantURL: "https://example.com",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cfg, err := NewConfigProviderFromData(tt.iniStr)
+			require.NoError(t, err)
+			if !assert.NoError(t, loadActionsFrom(cfg)) {
+				return
+			}
+			assert.EqualValues(t, tt.wantURL, Actions.DefaultActionsURL.URL())
+		})
+	}
+}