OP#792 initial commit after fork

cmd/config-current_test.go

@@ -0,0 +1,67 @@
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// 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 cmd
+
+import (
+	"context"
+	"os"
+	"testing"
+
+	"github.com/minio/minio/internal/config"
+)
+
+func TestServerConfig(t *testing.T) {
+	ctx, cancel := context.WithCancel(t.Context())
+	defer cancel()
+
+	objLayer, fsDir, err := prepareFS(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(fsDir)
+
+	if err = newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {
+		t.Fatalf("Init Test config failed")
+	}
+
+	if globalSite.Region() != globalMinioDefaultRegion {
+		t.Errorf("Expecting region `us-east-1` found %s", globalSite.Region())
+	}
+
+	// Set new region and verify.
+	config.SetRegion(globalServerConfig, "us-west-1")
+	site, err := config.LookupSite(
+		globalServerConfig[config.SiteSubSys][config.Default],
+		globalServerConfig[config.RegionSubSys][config.Default],
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if site.Region() != "us-west-1" {
+		t.Errorf("Expecting region `us-west-1` found %s", globalSite.Region())
+	}
+
+	if err := saveServerConfig(t.Context(), objLayer, globalServerConfig); err != nil {
+		t.Fatalf("Unable to save updated config file %s", err)
+	}
+
+	// Initialize server config.
+	if err := loadConfig(objLayer, nil); err != nil {
+		t.Fatalf("Unable to initialize from updated config file %s", err)
+	}
+}