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moby--moby/integration-cli/docker_api_exec_test.go

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// +build !test_no_exec
package main
import (
"bytes"
"fmt"
"net/http"
"os/exec"
"github.com/go-check/check"
)
// Regression test for #9414
func (s *DockerSuite) TestExecApiCreateNoCmd(c *check.C) {
name := "exec_test"
runCmd := exec.Command(dockerBinary, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")
if out, _, err := runCommandWithOutput(runCmd); err != nil {
c.Fatal(out, err)
}
status, body, err := sockRequest("POST", fmt.Sprintf("/containers/%s/exec", name), map[string]interface{}{"Cmd": nil})
c.Assert(status, check.Equals, http.StatusInternalServerError)
c.Assert(err, check.IsNil)
if !bytes.Contains(body, []byte("No exec command specified")) {
c.Fatalf("Expected message when creating exec command with no Cmd specified")
}
}