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moby--moby/integration-cli/docker_cli_pause_test.go

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package main
import (
"fmt"
"os/exec"
"strings"
"testing"
)
func TestPause(t *testing.T) {
defer deleteAllContainers()
defer unpauseAllContainers()
name := "testeventpause"
out, _, _ := dockerCmd(t, "images", "-q")
image := strings.Split(out, "\n")[0]
dockerCmd(t, "run", "-d", "--name", name, image, "sleep", "2")
dockerCmd(t, "pause", name)
pausedContainers, err := getSliceOfPausedContainers()
if err != nil {
t.Fatalf("error thrown while checking if containers were paused: %v", err)
}
if len(pausedContainers) != 1 {
t.Fatalf("there should be one paused container and not %d", len(pausedContainers))
}
dockerCmd(t, "unpause", name)
eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(t).Unix()))
out, _, _ = runCommandWithOutput(eventsCmd)
events := strings.Split(out, "\n")
if len(events) <= 1 {
t.Fatalf("Missing expected event")
}
pauseEvent := strings.Fields(events[len(events)-3])
unpauseEvent := strings.Fields(events[len(events)-2])
if pauseEvent[len(pauseEvent)-1] != "pause" {
t.Fatalf("event should be pause, not %#v", pauseEvent)
}
if unpauseEvent[len(unpauseEvent)-1] != "unpause" {
t.Fatalf("event should be unpause, not %#v", unpauseEvent)
}
waitCmd := exec.Command(dockerBinary, "wait", name)
if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil {
t.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err)
}
logDone("pause - pause/unpause is logged")
}
func TestPauseMultipleContainers(t *testing.T) {
defer deleteAllContainers()
defer unpauseAllContainers()
containers := []string{
"testpausewithmorecontainers1",
"testpausewithmorecontainers2",
}
out, _, _ := dockerCmd(t, "images", "-q")
image := strings.Split(out, "\n")[0]
for _, name := range containers {
dockerCmd(t, "run", "-d", "--name", name, image, "sleep", "2")
}
dockerCmd(t, append([]string{"pause"}, containers...)...)
pausedContainers, err := getSliceOfPausedContainers()
if err != nil {
t.Fatalf("error thrown while checking if containers were paused: %v", err)
}
if len(pausedContainers) != len(containers) {
t.Fatalf("there should be %d paused container and not %d", len(containers), len(pausedContainers))
}
dockerCmd(t, append([]string{"unpause"}, containers...)...)
eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(t).Unix()))
out, _, _ = runCommandWithOutput(eventsCmd)
events := strings.Split(out, "\n")
if len(events) <= len(containers)*3-2 {
t.Fatalf("Missing expected event")
}
pauseEvents := make([][]string, len(containers))
unpauseEvents := make([][]string, len(containers))
for i := range containers {
pauseEvents[i] = strings.Fields(events[len(events)-len(containers)*2-1+i])
unpauseEvents[i] = strings.Fields(events[len(events)-len(containers)-1+i])
}
for _, pauseEvent := range pauseEvents {
if pauseEvent[len(pauseEvent)-1] != "pause" {
t.Fatalf("event should be pause, not %#v", pauseEvent)
}
}
for _, unpauseEvent := range unpauseEvents {
if unpauseEvent[len(unpauseEvent)-1] != "unpause" {
t.Fatalf("event should be unpause, not %#v", unpauseEvent)
}
}
for _, name := range containers {
waitCmd := exec.Command(dockerBinary, "wait", name)
if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil {
t.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err)
}
}
logDone("pause - multi pause/unpause is logged")
}