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