add test for exec signal

Signed-off-by: HaoZhang <crazykev@zju.edu.cn>

Author: Crazykev

integration/client.go

@@ -351,6 +351,21 @@ func (c *HyperClient) RemovePod(podID string) error {
 	return nil
 }
 
+// ContainerExecSignal sends signal to specified exec of specified container
+func (c *HyperClient) ContainerExecSignal(container, execID string, sig int64) error {
+	req := types.ExecSignalRequest{
+		ContainerID: container,
+		ExecID:      execID,
+		Signal:      sig,
+	}
+	_, err := c.client.ExecSignal(c.ctx, &req)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
 // ContainerExecCreate creates exec in a container
 func (c *HyperClient) ContainerExecCreate(container string, command []string, tty bool) (string, error) {
 	req := types.ExecCreateRequest{

integration/hyper_test.go

@@ -529,3 +529,38 @@ func (s *TestSuite) TestSendContainerSignal(c *C) {
 	c.Assert(err, IsNil)
 	c.Assert(containerInfo.Status.Phase, Equals, "failed")
 }
+
+func (s *TestSuite) TestSendExecSignal(c *C) {
+	sigKill := int64(9)
+	cName := "test-exec-signal"
+	spec := types.UserPod{
+		Id: "busybox",
+		Containers: []*types.UserContainer{
+			{
+				Name:  cName,
+				Image: "busybox",
+			},
+		},
+	}
+	podID, err := s.client.CreatePod(&spec)
+	c.Assert(err, IsNil)
+
+	defer func() {
+		err = s.client.RemovePod(podID)
+		c.Assert(err, IsNil)
+	}()
+
+	err = s.client.StartPod(podID)
+	c.Assert(err, IsNil)
+
+	execId, err := s.client.ContainerExecCreate(cName, []string{"sh", "-c", "top"}, false)
+	c.Assert(err, IsNil)
+	err = s.client.ContainerExecStart(cName, execId, nil, nil, nil, false)
+	c.Assert(err, IsNil)
+	err = s.client.ContainerExecSignal(cName, execId, sigKill)
+	c.Assert(err, IsNil)
+
+	exitCode, err := s.client.Wait(cName, execId, false)
+	c.Assert(err, IsNil)
+	c.Assert(exitCode, Equals, int32(0))
+}