moby--moby/integration-cli/docker_api_exec_resize_test.go

79 lines
2.1 KiB
Go

package main
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"strings"
"github.com/go-check/check"
)
func (s *DockerSuite) TestExecResizeApiHeightWidthNoInt(c *check.C) {
out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
cleanedContainerID := strings.TrimSpace(out)
endpoint := "/exec/" + cleanedContainerID + "/resize?h=foo&w=bar"
status, _, err := sockRequest("POST", endpoint, nil)
c.Assert(status, check.Equals, http.StatusInternalServerError)
c.Assert(err, check.IsNil)
}
// Part of #14845
func (s *DockerSuite) TestExecResizeImmediatelyAfterExecStart(c *check.C) {
name := "exec_resize_test"
dockerCmd(c, "run", "-d", "-i", "-t", "--name", name, "--restart", "always", "busybox", "/bin/sh")
// The panic happens when daemon.ContainerExecStart is called but the
// container.Exec is not called.
// Because the panic is not 100% reproducible, we send the requests concurrently
// to increase the probability that the problem is triggered.
n := 10
ch := make(chan struct{})
for i := 0; i < n; i++ {
go func() {
defer func() {
ch <- struct{}{}
}()
data := map[string]interface{}{
"AttachStdin": true,
"Cmd": []string{"/bin/sh"},
}
status, body, err := sockRequest("POST", fmt.Sprintf("/containers/%s/exec", name), data)
c.Assert(err, check.IsNil)
c.Assert(status, check.Equals, http.StatusCreated)
out := map[string]string{}
err = json.Unmarshal(body, &out)
c.Assert(err, check.IsNil)
execID := out["Id"]
if len(execID) < 1 {
c.Fatal("ExecCreate got invalid execID")
}
payload := bytes.NewBufferString(`{"Tty":true}`)
conn, _, err := sockRequestHijack("POST", fmt.Sprintf("/exec/%s/start", execID), payload, "application/json")
c.Assert(err, check.IsNil)
defer conn.Close()
_, rc, err := sockRequestRaw("POST", fmt.Sprintf("/exec/%s/resize?h=24&w=80", execID), nil, "text/plain")
// It's probably a panic of the daemon if io.ErrUnexpectedEOF is returned.
if err == io.ErrUnexpectedEOF {
c.Fatal("The daemon might have crashed.")
}
if err == nil {
rc.Close()
}
}()
}
for i := 0; i < n; i++ {
<-ch
}
}