seaweedfs/go/topology/node_list_test.go
Chris Lu 50269b74ce add dataCenter option when assign file keys
add dataCenter option when starting volume servers
some work related to freeze a volume. Not tested yet.
2013-06-19 18:10:38 -07:00

60 lines
1.3 KiB
Go

package topology
import (
_ "fmt"
"strconv"
"testing"
)
func TestXYZ(t *testing.T) {
topo, err := NewTopology("topo", "/etc/weed.conf", "/tmp", "test", 234, 5)
if err != nil {
t.Error("cannot create new topology:", err)
t.FailNow()
}
for i := 0; i < 5; i++ {
dc := NewDataCenter("dc" + strconv.Itoa(i))
dc.activeVolumeCount = i
dc.maxVolumeCount = 5
topo.LinkChildNode(dc)
}
nl := NewNodeList(topo.Children(), nil)
picked, ret := nl.RandomlyPickN(1, 0, "")
if !ret || len(picked) != 1 {
t.Error("need to randomly pick 1 node")
}
picked, ret = nl.RandomlyPickN(1, 0, "dc1")
if !ret || len(picked) != 1 {
t.Error("need to randomly pick 1 node")
}
if picked[0].Id() != "dc1" {
t.Error("need to randomly pick 1 dc1 node")
}
picked, ret = nl.RandomlyPickN(2, 0, "dc1")
if !ret || len(picked) != 2 {
t.Error("need to randomly pick 1 node")
}
if picked[0].Id() != "dc1" {
t.Error("need to randomly pick 2 with one dc1 node")
}
picked, ret = nl.RandomlyPickN(4, 0, "")
if !ret || len(picked) != 4 {
t.Error("need to randomly pick 4 nodes")
}
picked, ret = nl.RandomlyPickN(5, 0, "")
if !ret || len(picked) != 5 {
t.Error("need to randomly pick 5 nodes")
}
picked, ret = nl.RandomlyPickN(6, 0, "")
if ret || len(picked) != 0 {
t.Error("can not randomly pick 6 nodes:", ret, picked)
}
}