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

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package main
import (
"fmt"
"strings"
"github.com/docker/docker/pkg/integration/checker"
"github.com/go-check/check"
)
func (s *DockerSuite) TestPause(c *check.C) {
testRequires(c, DaemonIsLinux)
defer unpauseAllContainers()
name := "testeventpause"
dockerCmd(c, "run", "-d", "--name", name, "busybox", "top")
dockerCmd(c, "pause", name)
pausedContainers, err := getSliceOfPausedContainers()
c.Assert(err, checker.IsNil)
c.Assert(len(pausedContainers), checker.Equals, 1)
dockerCmd(c, "unpause", name)
out, _ := dockerCmd(c, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
events := strings.Split(out, "\n")
c.Assert(len(events) > 1, checker.Equals, true)
pauseEvent := strings.Fields(events[len(events)-3])
unpauseEvent := strings.Fields(events[len(events)-2])
c.Assert(pauseEvent[len(pauseEvent)-1], checker.Equals, "pause")
c.Assert(unpauseEvent[len(unpauseEvent)-1], checker.Equals, "unpause")
}
func (s *DockerSuite) TestPauseMultipleContainers(c *check.C) {
testRequires(c, DaemonIsLinux)
defer unpauseAllContainers()
containers := []string{
"testpausewithmorecontainers1",
"testpausewithmorecontainers2",
}
for _, name := range containers {
dockerCmd(c, "run", "-d", "--name", name, "busybox", "top")
}
dockerCmd(c, append([]string{"pause"}, containers...)...)
pausedContainers, err := getSliceOfPausedContainers()
c.Assert(err, checker.IsNil)
c.Assert(len(pausedContainers), checker.Equals, len(containers))
dockerCmd(c, append([]string{"unpause"}, containers...)...)
out, _ := dockerCmd(c, "events", "--since=0", fmt.Sprintf("--until=%d", daemonTime(c).Unix()))
events := strings.Split(out, "\n")
c.Assert(len(events) > len(containers)*3-2, checker.Equals, true)
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 {
c.Assert(pauseEvent[len(pauseEvent)-1], checker.Equals, "pause")
}
for _, unpauseEvent := range unpauseEvents {
c.Assert(unpauseEvent[len(unpauseEvent)-1], checker.Equals, "unpause")
}
}