OP#792 initial commit after fork

cmd/lock-rest-server-common_test.go

@@ -0,0 +1,117 @@
+// 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"
+	"reflect"
+	"sync"
+	"testing"
+
+	"github.com/minio/minio/internal/dsync"
+)
+
+// Helper function to create a lock server for testing
+func createLockTestServer(ctx context.Context, t *testing.T) (string, *lockRESTServer, string) {
+	obj, fsDir, err := prepareFS(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err = newTestConfig(globalMinioDefaultRegion, obj); err != nil {
+		t.Fatalf("unable initialize config file, %s", err)
+	}
+
+	locker := &lockRESTServer{
+		ll: &localLocker{
+			mutex:   sync.Mutex{},
+			lockMap: make(map[string][]lockRequesterInfo),
+		},
+	}
+	creds := globalActiveCred
+	token, err := authenticateNode(creds.AccessKey, creds.SecretKey)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return fsDir, locker, token
+}
+
+// Test function to remove lock entries from map based on name & uid combination
+func TestLockRpcServerRemoveEntry(t *testing.T) {
+	ctx, cancel := context.WithCancel(t.Context())
+	defer cancel()
+
+	testPath, locker, _ := createLockTestServer(ctx, t)
+	defer os.RemoveAll(testPath)
+
+	lockRequesterInfo1 := lockRequesterInfo{
+		Owner:           "owner",
+		Writer:          true,
+		UID:             "0123-4567",
+		Timestamp:       UTCNow().UnixNano(),
+		TimeLastRefresh: UTCNow().UnixNano(),
+	}
+	lockRequesterInfo2 := lockRequesterInfo{
+		Owner:           "owner",
+		Writer:          true,
+		UID:             "89ab-cdef",
+		Timestamp:       UTCNow().UnixNano(),
+		TimeLastRefresh: UTCNow().UnixNano(),
+	}
+
+	locker.ll.lockMap["name"] = []lockRequesterInfo{
+		lockRequesterInfo1,
+		lockRequesterInfo2,
+	}
+
+	lri := locker.ll.lockMap["name"]
+
+	// test unknown uid
+	if locker.ll.removeEntry("name", dsync.LockArgs{
+		Owner: "owner",
+		UID:   "unknown-uid",
+	}, &lri) {
+		t.Errorf("Expected %#v, got %#v", false, true)
+	}
+
+	if !locker.ll.removeEntry("name", dsync.LockArgs{
+		Owner: "owner",
+		UID:   "0123-4567",
+	}, &lri) {
+		t.Errorf("Expected %#v, got %#v", true, false)
+	} else {
+		gotLri := locker.ll.lockMap["name"]
+		expectedLri := []lockRequesterInfo{lockRequesterInfo2}
+		if !reflect.DeepEqual(expectedLri, gotLri) {
+			t.Errorf("Expected %#v, got %#v", expectedLri, gotLri)
+		}
+	}
+
+	if !locker.ll.removeEntry("name", dsync.LockArgs{
+		Owner: "owner",
+		UID:   "89ab-cdef",
+	}, &lri) {
+		t.Errorf("Expected %#v, got %#v", true, false)
+	} else {
+		gotLri := locker.ll.lockMap["name"]
+		expectedLri := []lockRequesterInfo(nil)
+		if !reflect.DeepEqual(expectedLri, gotLri) {
+			t.Errorf("Expected %#v, got %#v", expectedLri, gotLri)
+		}
+	}
+}