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87 lines
2.6 KiB
87 lines
2.6 KiB
package shell
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import (
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"fmt"
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"testing"
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"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
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"github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding"
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"github.com/seaweedfs/seaweedfs/weed/storage/needle"
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"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
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)
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func TestEcDistribution(t *testing.T) {
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topologyInfo := parseOutput(topoData)
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// find out all volume servers with one slot left.
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ecNodes, totalFreeEcSlots := collectEcVolumeServersByDc(topologyInfo, "")
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sortEcNodesByFreeslotsDescending(ecNodes)
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if totalFreeEcSlots < erasure_coding.TotalShardsCount {
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t.Errorf("not enough free ec shard slots: %d", totalFreeEcSlots)
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}
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allocatedDataNodes := ecNodes
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if len(allocatedDataNodes) > erasure_coding.TotalShardsCount {
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allocatedDataNodes = allocatedDataNodes[:erasure_coding.TotalShardsCount]
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}
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for _, dn := range allocatedDataNodes {
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// fmt.Printf("info %+v %+v\n", dn.info, dn)
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fmt.Printf("=> %+v %+v\n", dn.info.Id, dn.freeEcSlot)
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}
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}
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func TestVolumeIdToReplicaPlacement(t *testing.T) {
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topo1 := parseOutput(topoData)
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topo2 := parseOutput(topoData2)
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testCases := []struct {
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topology *master_pb.TopologyInfo
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vid string
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want string
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wantErr string
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}{
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{topo1, "", "", "failed to resolve replica placement for volume ID 0"},
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{topo1, "0", "", "failed to resolve replica placement for volume ID 0"},
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{topo1, "1", "100", ""},
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{topo1, "296", "100", ""},
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{topo2, "", "", "failed to resolve replica placement for volume ID 0"},
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{topo2, "19012", "", "failed to resolve replica placement for volume ID 19012"},
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{topo2, "6271", "002", ""},
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{topo2, "17932", "002", ""},
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}
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for _, tc := range testCases {
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vid, _ := needle.NewVolumeId(tc.vid)
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ecNodes, _ := collectEcVolumeServersByDc(tc.topology, "")
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got, gotErr := volumeIdToReplicaPlacement(vid, ecNodes)
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if tc.wantErr == "" && gotErr != nil {
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t.Errorf("expected no error for volume '%s', got '%s'", tc.vid, gotErr.Error())
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continue
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}
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if tc.wantErr != "" {
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if gotErr == nil {
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t.Errorf("got no error for volume '%s', expected '%s'", tc.vid, tc.wantErr)
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continue
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}
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if gotErr.Error() != tc.wantErr {
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t.Errorf("expected error '%s' for volume '%s', got '%s'", tc.wantErr, tc.vid, gotErr.Error())
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continue
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}
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}
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if got == nil {
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if tc.want != "" {
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t.Errorf("expected replica placement '%s' for volume '%s', got nil", tc.want, tc.vid)
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}
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continue
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}
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want, _ := super_block.NewReplicaPlacementFromString(tc.want)
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if !got.Equals(want) {
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t.Errorf("got replica placement '%s' for volune '%s', want '%s'", got.String(), tc.vid, want.String())
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}
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}
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}
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