mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
package test
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import (
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"io/ioutil"
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"os"
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"testing"
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"time"
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"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 TestSimpleSnapshot(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", "-n=node1", "-d=/tmp/node1", "-snapshot=true", "-snapCount=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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if err != nil || result.Key != "/foo" || result.Value != "bar" || result.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", result.Key, result.Value, result.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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if snapshots[0].Name() != "0_503.ss" {
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t.Fatal("wrong name of snapshot :[0_503.ss/", 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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if err != nil || result.Key != "/foo" || result.Value != "bar" || result.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", result.Key, result.Value, result.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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if snapshots[0].Name() != "0_1004.ss" {
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t.Fatal("wrong name of snapshot :[0_1004.ss/", snapshots[0].Name(), "]")
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}
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process.Kill()
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}
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