DockerCLI/e2e/container/kill_test.go

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package container
import (
"strings"
"testing"
"time"
"github.com/docker/cli/e2e/internal/fixtures"
"gotest.tools/icmd"
"gotest.tools/poll"
)
func TestKillContainer(t *testing.T) {
containerID := runBackgroundTop(t)
// Kill with SIGTERM should kill the process
result := icmd.RunCmd(
icmd.Command("docker", "kill", "-s", "SIGTERM", containerID),
)
result.Assert(t, icmd.Success)
poll.WaitOn(t, containerStatus(t, containerID, "exited"), poll.WithDelay(100*time.Millisecond), poll.WithTimeout(5*time.Second))
// Kill on a stop container should return an error
result = icmd.RunCmd(
icmd.Command("docker", "kill", containerID),
)
result.Assert(t, icmd.Expected{
ExitCode: 1,
Err: "is not running",
})
}
func runBackgroundTop(t *testing.T) string {
result := icmd.RunCommand("docker", "run", "-d", fixtures.AlpineImage, "top")
result.Assert(t, icmd.Success)
return strings.TrimSpace(result.Stdout())
}
func containerStatus(t *testing.T, containerID, status string) func(poll.LogT) poll.Result {
return func(poll.LogT) poll.Result {
result := icmd.RunCommand("docker", "inspect", "-f", "{{ .State.Status }}", containerID)
result.Assert(t, icmd.Success)
actual := strings.TrimSpace(result.Stdout())
if actual == status {
return poll.Success()
}
return poll.Continue("expected status %s != %s", status, actual)
}
}