github.com/jfrazelle/docker@v1.1.2-0.20210712172922-bf78e25fe508/integration/container/pause_test.go (about)

     1  package container // import "github.com/docker/docker/integration/container"
     2  
     3  import (
     4  	"context"
     5  	"io"
     6  	"testing"
     7  	"time"
     8  
     9  	containerderrdefs "github.com/containerd/containerd/errdefs"
    10  	"github.com/docker/docker/api/types"
    11  	"github.com/docker/docker/api/types/events"
    12  	"github.com/docker/docker/api/types/filters"
    13  	"github.com/docker/docker/api/types/versions"
    14  	"github.com/docker/docker/integration/internal/container"
    15  	"github.com/docker/docker/testutil/request"
    16  	"gotest.tools/v3/assert"
    17  	is "gotest.tools/v3/assert/cmp"
    18  	"gotest.tools/v3/poll"
    19  	"gotest.tools/v3/skip"
    20  )
    21  
    22  func TestPause(t *testing.T) {
    23  	skip.If(t, testEnv.DaemonInfo.OSType == "windows" && testEnv.DaemonInfo.Isolation == "process")
    24  	skip.If(t, testEnv.DaemonInfo.CgroupDriver == "none")
    25  
    26  	defer setupTest(t)()
    27  	client := testEnv.APIClient()
    28  	ctx := context.Background()
    29  
    30  	cID := container.Run(ctx, t, client)
    31  	poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
    32  
    33  	since := request.DaemonUnixTime(ctx, t, client, testEnv)
    34  
    35  	err := client.ContainerPause(ctx, cID)
    36  	assert.NilError(t, err)
    37  
    38  	inspect, err := client.ContainerInspect(ctx, cID)
    39  	assert.NilError(t, err)
    40  	assert.Check(t, is.Equal(true, inspect.State.Paused))
    41  
    42  	err = client.ContainerUnpause(ctx, cID)
    43  	assert.NilError(t, err)
    44  
    45  	until := request.DaemonUnixTime(ctx, t, client, testEnv)
    46  
    47  	messages, errs := client.Events(ctx, types.EventsOptions{
    48  		Since:   since,
    49  		Until:   until,
    50  		Filters: filters.NewArgs(filters.Arg("container", cID)),
    51  	})
    52  	assert.Check(t, is.DeepEqual([]string{"pause", "unpause"}, getEventActions(t, messages, errs)))
    53  }
    54  
    55  func TestPauseFailsOnWindowsServerContainers(t *testing.T) {
    56  	skip.If(t, testEnv.DaemonInfo.OSType != "windows" || testEnv.DaemonInfo.Isolation != "process")
    57  
    58  	defer setupTest(t)()
    59  	client := testEnv.APIClient()
    60  	ctx := context.Background()
    61  
    62  	cID := container.Run(ctx, t, client)
    63  	poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
    64  
    65  	err := client.ContainerPause(ctx, cID)
    66  	assert.Check(t, is.ErrorContains(err, containerderrdefs.ErrNotImplemented.Error()))
    67  }
    68  
    69  func TestPauseStopPausedContainer(t *testing.T) {
    70  	skip.If(t, testEnv.DaemonInfo.OSType == "windows")
    71  	skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.31"), "broken in earlier versions")
    72  	skip.If(t, testEnv.DaemonInfo.CgroupDriver == "none")
    73  	defer setupTest(t)()
    74  	client := testEnv.APIClient()
    75  	ctx := context.Background()
    76  
    77  	cID := container.Run(ctx, t, client)
    78  	poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
    79  
    80  	err := client.ContainerPause(ctx, cID)
    81  	assert.NilError(t, err)
    82  
    83  	err = client.ContainerStop(ctx, cID, nil)
    84  	assert.NilError(t, err)
    85  
    86  	poll.WaitOn(t, container.IsStopped(ctx, client, cID), poll.WithDelay(100*time.Millisecond))
    87  }
    88  
    89  func getEventActions(t *testing.T, messages <-chan events.Message, errs <-chan error) []string {
    90  	var actions []string
    91  	for {
    92  		select {
    93  		case err := <-errs:
    94  			assert.Check(t, err == nil || err == io.EOF)
    95  			return actions
    96  		case e := <-messages:
    97  			actions = append(actions, e.Status)
    98  		}
    99  	}
   100  }