150 lines
3.4 KiB
Go
150 lines
3.4 KiB
Go
package test
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import (
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"io/ioutil"
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"os"
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"strconv"
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"testing"
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"time"
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"github.com/coreos/etcd/third_party/github.com/coreos/go-etcd/etcd"
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)
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// This test creates a single node and then set a value to it to trigger snapshot
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func TestSnapshot(t *testing.T) {
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procAttr := new(os.ProcAttr)
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procAttr.Files = []*os.File{nil, os.Stdout, os.Stderr}
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args := []string{"etcd", "-name=node1", "-data-dir=/tmp/node1", "-snapshot=true", "-snapshot-count=500"}
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process, err := os.StartProcess(EtcdBinPath, append(args, "-f"), procAttr)
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if err != nil {
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t.Fatal("start process failed:" + err.Error())
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}
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defer process.Kill()
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time.Sleep(time.Second)
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c := etcd.NewClient(nil)
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c.SyncCluster()
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// issue first 501 commands
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for i := 0; i < 501; i++ {
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result, err := c.Set("foo", "bar", 100)
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node := result.Node
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if err != nil || node.Key != "/foo" || node.Value != "bar" || node.TTL < 95 {
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if err != nil {
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t.Fatal(err)
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}
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t.Fatalf("Set failed with %s %s %v", node.Key, node.Value, node.TTL)
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}
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}
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// wait for a snapshot interval
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time.Sleep(3 * time.Second)
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snapshots, err := ioutil.ReadDir("/tmp/node1/snapshot")
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if err != nil {
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t.Fatal("list snapshot failed:" + err.Error())
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}
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if len(snapshots) != 1 {
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t.Fatal("wrong number of snapshot :[1/", len(snapshots), "]")
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}
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index, _ := strconv.Atoi(snapshots[0].Name()[2:5])
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if index < 503 || index > 516 {
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t.Fatal("wrong name of snapshot :", snapshots[0].Name())
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}
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// issue second 501 commands
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for i := 0; i < 501; i++ {
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result, err := c.Set("foo", "bar", 100)
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node := result.Node
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if err != nil || node.Key != "/foo" || node.Value != "bar" || node.TTL < 95 {
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if err != nil {
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t.Fatal(err)
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}
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t.Fatalf("Set failed with %s %s %v", node.Key, node.Value, node.TTL)
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}
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}
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// wait for a snapshot interval
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time.Sleep(3 * time.Second)
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snapshots, err = ioutil.ReadDir("/tmp/node1/snapshot")
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if err != nil {
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t.Fatal("list snapshot failed:" + err.Error())
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}
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if len(snapshots) != 1 {
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t.Fatal("wrong number of snapshot :[1/", len(snapshots), "]")
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}
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index, _ = strconv.Atoi(snapshots[0].Name()[2:6])
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if index < 1010 || index > 1029 {
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t.Fatal("wrong name of snapshot :", snapshots[0].Name())
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}
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}
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// TestSnapshotRestart tests etcd restarts with snapshot file
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func TestSnapshotRestart(t *testing.T) {
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procAttr := new(os.ProcAttr)
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procAttr.Files = []*os.File{nil, os.Stdout, os.Stderr}
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args := []string{"etcd", "-name=node1", "-data-dir=/tmp/node1", "-snapshot=true", "-snapshot-count=500"}
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process, err := os.StartProcess(EtcdBinPath, append(args, "-f"), procAttr)
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if err != nil {
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t.Fatal("start process failed:" + err.Error())
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}
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time.Sleep(time.Second)
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c := etcd.NewClient(nil)
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c.SyncCluster()
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// issue first 501 commands
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for i := 0; i < 501; i++ {
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result, err := c.Set("foo", "bar", 100)
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node := result.Node
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if err != nil || node.Key != "/foo" || node.Value != "bar" || node.TTL < 95 {
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if err != nil {
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t.Fatal(err)
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}
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t.Fatalf("Set failed with %s %s %v", node.Key, node.Value, node.TTL)
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}
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}
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// wait for a snapshot interval
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time.Sleep(3 * time.Second)
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_, err = ioutil.ReadDir("/tmp/node1/snapshot")
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if err != nil {
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t.Fatal("list snapshot failed:" + err.Error())
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}
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process.Kill()
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process, err = os.StartProcess(EtcdBinPath, args, procAttr)
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if err != nil {
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t.Fatal("start process failed:" + err.Error())
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}
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defer process.Kill()
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time.Sleep(1 * time.Second)
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_, err = c.Set("foo", "bar", 100)
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if err != nil {
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t.Fatal(err)
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}
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}
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