github.com/jiasir/docker@v1.3.3-0.20170609024000-252e610103e7/daemon/delete_test.go (about)

     1  package daemon
     2  
     3  import (
     4  	"fmt"
     5  	"io/ioutil"
     6  	"os"
     7  	"testing"
     8  
     9  	"github.com/docker/docker/api/types"
    10  	containertypes "github.com/docker/docker/api/types/container"
    11  	"github.com/docker/docker/container"
    12  	"github.com/docker/docker/pkg/testutil"
    13  	"github.com/stretchr/testify/require"
    14  )
    15  
    16  func newDaemonWithTmpRoot(t *testing.T) (*Daemon, func()) {
    17  	tmp, err := ioutil.TempDir("", "docker-daemon-unix-test-")
    18  	require.NoError(t, err)
    19  	d := &Daemon{
    20  		repository: tmp,
    21  		root:       tmp,
    22  	}
    23  	d.containers = container.NewMemoryStore()
    24  	return d, func() { os.RemoveAll(tmp) }
    25  }
    26  
    27  func newContainerWithState(state *container.State) *container.Container {
    28  	return &container.Container{
    29  		CommonContainer: container.CommonContainer{
    30  			ID:     "test",
    31  			State:  state,
    32  			Config: &containertypes.Config{},
    33  		},
    34  	}
    35  
    36  }
    37  
    38  // TestContainerDelete tests that a useful error message and instructions is
    39  // given when attempting to remove a container (#30842)
    40  func TestContainerDelete(t *testing.T) {
    41  	tt := []struct {
    42  		errMsg        string
    43  		fixMsg        string
    44  		initContainer func() *container.Container
    45  	}{
    46  		// a paused container
    47  		{
    48  			errMsg: "cannot remove a paused container",
    49  			fixMsg: "Unpause and then stop the container before attempting removal or force remove",
    50  			initContainer: func() *container.Container {
    51  				return newContainerWithState(&container.State{Paused: true, Running: true})
    52  			}},
    53  		// a restarting container
    54  		{
    55  			errMsg: "cannot remove a restarting container",
    56  			fixMsg: "Stop the container before attempting removal or force remove",
    57  			initContainer: func() *container.Container {
    58  				c := newContainerWithState(container.NewState())
    59  				c.SetRunning(0, true)
    60  				c.SetRestarting(&container.ExitStatus{})
    61  				return c
    62  			}},
    63  		// a running container
    64  		{
    65  			errMsg: "cannot remove a running container",
    66  			fixMsg: "Stop the container before attempting removal or force remove",
    67  			initContainer: func() *container.Container {
    68  				return newContainerWithState(&container.State{Running: true})
    69  			}},
    70  	}
    71  
    72  	for _, te := range tt {
    73  		c := te.initContainer()
    74  		d, cleanup := newDaemonWithTmpRoot(t)
    75  		defer cleanup()
    76  		d.containers.Add(c.ID, c)
    77  
    78  		err := d.ContainerRm(c.ID, &types.ContainerRmConfig{ForceRemove: false})
    79  		testutil.ErrorContains(t, err, te.errMsg)
    80  		testutil.ErrorContains(t, err, te.fixMsg)
    81  	}
    82  }
    83  
    84  func TestContainerDoubleDelete(t *testing.T) {
    85  	c := newContainerWithState(container.NewState())
    86  
    87  	// Mark the container as having a delete in progress
    88  	c.SetRemovalInProgress()
    89  
    90  	d, cleanup := newDaemonWithTmpRoot(t)
    91  	defer cleanup()
    92  	d.containers.Add(c.ID, c)
    93  
    94  	// Try to remove the container when its state is removalInProgress.
    95  	// It should return an error indicating it is under removal progress.
    96  	err := d.ContainerRm(c.ID, &types.ContainerRmConfig{ForceRemove: true})
    97  	testutil.ErrorContains(t, err, fmt.Sprintf("removal of container %s is already in progress", c.ID))
    98  }