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103 lines
2.2 KiB
103 lines
2.2 KiB
package test
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import (
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"fmt"
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"os/exec"
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"simple-kv-store/internal/client"
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"simple-kv-store/internal/nodes"
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"strconv"
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"syscall"
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"testing"
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"time"
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)
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func TestNodeRestart(t *testing.T) {
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// 登记结点信息
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n := 5
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var clusters []string
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var peerIds []string
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addressMap := make(map[string]string)
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for i := 0; i < n; i++ {
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port := fmt.Sprintf("%d", uint16(9090)+uint16(i))
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addr := "127.0.0.1:" + port
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clusters = append(clusters, addr)
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addressMap[strconv.Itoa(i + 1)] = addr
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peerIds = append(peerIds, strconv.Itoa(i + 1))
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}
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// 结点启动
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var cmds []*exec.Cmd
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for i := 0; i < n; i++ {
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cmd := ExecuteNodeI(i, false, clusters)
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cmds = append(cmds, cmd)
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}
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// 通知所有进程结束
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defer func(){
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for _, cmd := range cmds {
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err := cmd.Process.Signal(syscall.SIGTERM)
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if err != nil {
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fmt.Println("Error sending signal:", err)
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return
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}
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}
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}()
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time.Sleep(time.Second) // 等待启动完毕
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// client启动, 连接任意节点
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cWrite := clientPkg.Client{PeerIds: peerIds, Transport: &nodes.HTTPTransport{NodeMap: addressMap}}
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// 写入
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var s clientPkg.Status
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for i := 0; i < 5; i++ {
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key := strconv.Itoa(i)
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newlog := nodes.LogEntry{Key: key, Value: "hello"}
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s := cWrite.Write(nodes.LogEntryCall{LogE: newlog})
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if s != clientPkg.Ok {
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t.Errorf("write test fail")
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}
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}
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time.Sleep(time.Second) // 等待写入完毕
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// 模拟结点轮流崩溃
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for i := 0; i < n; i++ {
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err := cmds[i].Process.Signal(syscall.SIGTERM)
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if err != nil {
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fmt.Println("Error sending signal:", err)
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return
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}
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time.Sleep(time.Second)
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cmd := ExecuteNodeI(i, true, clusters)
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if cmd == nil {
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t.Errorf("recover test1 fail")
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return
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} else {
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cmds[i] = cmd
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}
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time.Sleep(time.Second) // 等待启动完毕
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}
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// client启动
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cRead := clientPkg.Client{PeerIds: peerIds, Transport: &nodes.HTTPTransport{NodeMap: addressMap}}
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// 读写入数据
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for i := 0; i < 5; i++ {
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key := strconv.Itoa(i)
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var value string
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s = cRead.Read(key, &value)
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if s != clientPkg.Ok {
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t.Errorf("Read test1 fail")
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}
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}
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// 读未写入数据
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for i := 5; i < 15; i++ {
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key := strconv.Itoa(i)
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var value string
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s = cRead.Read(key, &value)
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if s != clientPkg.NotFound {
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t.Errorf("Read test2 fail")
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}
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}
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}
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