docker/integration-cli/docker_cli_exec_unix_test.go

48 строки
969 B
Go

// +build !windows,!test_no_exec
package main
import (
"bytes"
"io"
"os/exec"
"strings"
"time"
"github.com/go-check/check"
"github.com/kr/pty"
)
// regression test for #12546
func (s *DockerSuite) TestExecInteractiveStdinClose(c *check.C) {
out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-itd", "busybox", "/bin/cat"))
if err != nil {
c.Fatal(err)
}
contId := strings.TrimSpace(out)
cmd := exec.Command(dockerBinary, "exec", "-i", contId, "echo", "-n", "hello")
p, err := pty.Start(cmd)
if err != nil {
c.Fatal(err)
}
b := bytes.NewBuffer(nil)
go io.Copy(b, p)
ch := make(chan error)
go func() { ch <- cmd.Wait() }()
select {
case err := <-ch:
if err != nil {
c.Errorf("cmd finished with error %v", err)
}
if output := b.String(); strings.TrimSpace(output) != "hello" {
c.Fatalf("Unexpected output %s", output)
}
case <-time.After(1 * time.Second):
c.Fatal("timed out running docker exec")
}
}