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package cluster
import (
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/stretchr/testify/assert"
"strconv"
"sync"
"testing"
)
func TestClusterAddRemoveNodes(t *testing.T) {
c := NewCluster()
c.AddClusterNode("", "filer", "", "", pb.ServerAddress("111:1"), "23.45")
c.AddClusterNode("", "filer", "", "", pb.ServerAddress("111:2"), "23.45")
assert.Equal(t, []pb.ServerAddress{
pb.ServerAddress("111:1"),
pb.ServerAddress("111:2"),
}, c.getGroupMembers("", "filer", true).GetMembers)
c.AddClusterNode("", "filer", "", "", pb.ServerAddress("111:3"), "23.45")
c.AddClusterNode("", "filer", "", "", pb.ServerAddress("111:4"), "23.45")
assert.Equal(t, []pb.ServerAddress{
pb.ServerAddress("111:1"),
pb.ServerAddress("111:2"),
pb.ServerAddress("111:3"),
}, c.getGroupMembers("", "filer", true).GetMembers())
c.AddClusterNode("", "filer", "", "", pb.ServerAddress("111:5"), "23.45")
c.AddClusterNode("", "filer", "", "", pb.ServerAddress("111:6"), "23.45")
c.RemoveClusterNode("", "filer", pb.ServerAddress("111:4"))
assert.Equal(t, []pb.ServerAddress{
pb.ServerAddress("111:1"),
pb.ServerAddress("111:2"),
pb.ServerAddress("111:3"),
}, c.getGroupMembers("", "filer", true).GetMembers())
// remove oldest
c.RemoveClusterNode("", "filer", pb.ServerAddress("111:1"))
assert.Equal(t, []pb.ServerAddress{
pb.ServerAddress("111:6"),
pb.ServerAddress("111:2"),
pb.ServerAddress("111:3"),
}, c.getGroupMembers("", "filer", true).GetMembers())
// remove oldest
c.RemoveClusterNode("", "filer", pb.ServerAddress("111:1"))
}
func TestConcurrentAddRemoveNodes(t *testing.T) {
c := NewCluster()
var wg sync.WaitGroup
for i := 0; i < 50; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
address := strconv.Itoa(i)
c.AddClusterNode("", "filer", "", "", pb.ServerAddress(address), "23.45")
}(i)
}
wg.Wait()
for i := 0; i < 50; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
address := strconv.Itoa(i)
node := c.RemoveClusterNode("", "filer", pb.ServerAddress(address))
if len(node) == 0 {
t.Errorf("TestConcurrentAddRemoveNodes: node[%s] not found", address)
return
} else if node[0].ClusterNodeUpdate.Address != address {
t.Errorf("TestConcurrentAddRemoveNodes: expect:%s, actual:%s", address, node[0].ClusterNodeUpdate.Address)
return
}
}(i)
}
wg.Wait()
}
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