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							91 lines
						
					
					
						
							3.1 KiB
						
					
					
				
			
		
		
		
			
			
			
		
		
	
	
							91 lines
						
					
					
						
							3.1 KiB
						
					
					
				
								package lock_manager
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								import (
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									"testing"
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									"time"
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									"github.com/seaweedfs/seaweedfs/weed/pb"
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									"github.com/stretchr/testify/assert"
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								)
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								func TestAddServer(t *testing.T) {
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									r := NewLockRing(100 * time.Millisecond)
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									// Add servers
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									r.AddServer("localhost:8080")
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									r.AddServer("localhost:8081")
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									r.AddServer("localhost:8082")
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									r.AddServer("localhost:8083")
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									r.AddServer("localhost:8084")
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									// Verify all servers are present
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									servers := r.GetSnapshot()
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									assert.Equal(t, 5, len(servers))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8080"))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8081"))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8082"))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8083"))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8084"))
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									// Remove servers
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									r.RemoveServer("localhost:8084")
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									r.RemoveServer("localhost:8082")
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									r.RemoveServer("localhost:8080")
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									// Wait for all cleanup operations to complete
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									r.WaitForCleanup()
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									// Verify only 2 servers remain (localhost:8081 and localhost:8083)
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									servers = r.GetSnapshot()
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									assert.Equal(t, 2, len(servers))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8081"))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8083"))
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									// Verify cleanup has happened - wait for snapshot interval and check snapshots are compacted
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									time.Sleep(110 * time.Millisecond)
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									r.WaitForCleanup()
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									// Verify snapshot history is cleaned up properly (should have at most 2 snapshots after compaction)
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									snapshotCount := r.GetSnapshotCount()
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									assert.LessOrEqual(t, snapshotCount, 2, "Snapshot history should be compacted")
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								}
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								func TestLockRing(t *testing.T) {
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									r := NewLockRing(100 * time.Millisecond)
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									// Test initial snapshot
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									r.SetSnapshot([]pb.ServerAddress{"localhost:8080", "localhost:8081"})
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									assert.Equal(t, 1, r.GetSnapshotCount())
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									servers := r.GetSnapshot()
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									assert.Equal(t, 2, len(servers))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8080"))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8081"))
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									// Add another server
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									r.SetSnapshot([]pb.ServerAddress{"localhost:8080", "localhost:8081", "localhost:8082"})
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									assert.Equal(t, 2, r.GetSnapshotCount())
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									servers = r.GetSnapshot()
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									assert.Equal(t, 3, len(servers))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8082"))
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									// Wait for cleanup interval and add another server
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									time.Sleep(110 * time.Millisecond)
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									r.WaitForCleanup()
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									r.SetSnapshot([]pb.ServerAddress{"localhost:8080", "localhost:8081", "localhost:8082", "localhost:8083"})
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									assert.LessOrEqual(t, r.GetSnapshotCount(), 3)
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									servers = r.GetSnapshot()
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									assert.Equal(t, 4, len(servers))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8083"))
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									// Wait for cleanup and verify compaction
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									time.Sleep(110 * time.Millisecond)
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									r.WaitForCleanup()
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									assert.LessOrEqual(t, r.GetSnapshotCount(), 2, "Snapshots should be compacted")
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									// Add final server
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									r.SetSnapshot([]pb.ServerAddress{"localhost:8080", "localhost:8081", "localhost:8082", "localhost:8083", "localhost:8084"})
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									servers = r.GetSnapshot()
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									assert.Equal(t, 5, len(servers))
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									assert.Contains(t, servers, pb.ServerAddress("localhost:8084"))
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									assert.LessOrEqual(t, r.GetSnapshotCount(), 3)
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								}
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