github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/daemon/list_test.go (about)

     1  package daemon
     2  
     3  import (
     4  	"io/ioutil"
     5  	"os"
     6  	"path/filepath"
     7  	"testing"
     8  
     9  	"github.com/docker/docker/api/types"
    10  	containertypes "github.com/docker/docker/api/types/container"
    11  	"github.com/docker/docker/api/types/filters"
    12  	"github.com/docker/docker/container"
    13  	"github.com/docker/docker/image"
    14  	"github.com/google/uuid"
    15  	digest "github.com/opencontainers/go-digest"
    16  	"gotest.tools/v3/assert"
    17  	is "gotest.tools/v3/assert/cmp"
    18  )
    19  
    20  var root string
    21  
    22  func TestMain(m *testing.M) {
    23  	var err error
    24  	root, err = ioutil.TempDir("", "docker-container-test-")
    25  	if err != nil {
    26  		panic(err)
    27  	}
    28  	defer os.RemoveAll(root)
    29  
    30  	os.Exit(m.Run())
    31  }
    32  
    33  // This sets up a container with a name so that name filters
    34  // work against it. It takes in a pointer to Daemon so that
    35  // minor operations are not repeated by the caller
    36  func setupContainerWithName(t *testing.T, name string, daemon *Daemon) *container.Container {
    37  	t.Helper()
    38  	var (
    39  		id              = uuid.New().String()
    40  		computedImageID = digest.FromString(id)
    41  		cRoot           = filepath.Join(root, id)
    42  	)
    43  	if err := os.MkdirAll(cRoot, 0755); err != nil {
    44  		t.Fatal(err)
    45  	}
    46  
    47  	c := container.NewBaseContainer(id, cRoot)
    48  	// these are for passing includeContainerInList
    49  	if name[0] != '/' {
    50  		name = "/" + name
    51  	}
    52  	c.Name = name
    53  	c.Running = true
    54  	c.HostConfig = &containertypes.HostConfig{}
    55  
    56  	// these are for passing the refreshImage reducer
    57  	c.ImageID = image.IDFromDigest(computedImageID)
    58  	c.Config = &containertypes.Config{
    59  		Image: computedImageID.String(),
    60  	}
    61  
    62  	// this is done here to avoid requiring these
    63  	// operations n x number of containers in the
    64  	// calling function
    65  	daemon.containersReplica.Save(c)
    66  	daemon.reserveName(id, name)
    67  
    68  	return c
    69  }
    70  
    71  func containerListContainsName(containers []*types.Container, name string) bool {
    72  	for _, ctr := range containers {
    73  		for _, containerName := range ctr.Names {
    74  			if containerName == name {
    75  				return true
    76  			}
    77  		}
    78  	}
    79  
    80  	return false
    81  }
    82  
    83  func TestListInvalidFilter(t *testing.T) {
    84  	db, err := container.NewViewDB()
    85  	assert.Assert(t, err == nil)
    86  	d := &Daemon{
    87  		containersReplica: db,
    88  	}
    89  
    90  	f := filters.NewArgs(filters.Arg("invalid", "foo"))
    91  
    92  	_, err = d.Containers(&types.ContainerListOptions{
    93  		Filters: f,
    94  	})
    95  	assert.Assert(t, is.Error(err, "Invalid filter 'invalid'"))
    96  }
    97  
    98  func TestNameFilter(t *testing.T) {
    99  	db, err := container.NewViewDB()
   100  	assert.Assert(t, err == nil)
   101  	d := &Daemon{
   102  		containersReplica: db,
   103  	}
   104  
   105  	var (
   106  		one   = setupContainerWithName(t, "a1", d)
   107  		two   = setupContainerWithName(t, "a2", d)
   108  		three = setupContainerWithName(t, "b1", d)
   109  	)
   110  
   111  	// moby/moby #37453 - ^ regex not working due to prefix slash
   112  	// not being stripped
   113  	containerList, err := d.Containers(&types.ContainerListOptions{
   114  		Filters: filters.NewArgs(filters.Arg("name", "^a")),
   115  	})
   116  	assert.NilError(t, err)
   117  	assert.Assert(t, is.Len(containerList, 2))
   118  	assert.Assert(t, containerListContainsName(containerList, one.Name))
   119  	assert.Assert(t, containerListContainsName(containerList, two.Name))
   120  
   121  	// Same as above but with slash prefix should produce the same result
   122  	containerListWithPrefix, err := d.Containers(&types.ContainerListOptions{
   123  		Filters: filters.NewArgs(filters.Arg("name", "^/a")),
   124  	})
   125  	assert.NilError(t, err)
   126  	assert.Assert(t, is.Len(containerListWithPrefix, 2))
   127  	assert.Assert(t, containerListContainsName(containerListWithPrefix, one.Name))
   128  	assert.Assert(t, containerListContainsName(containerListWithPrefix, two.Name))
   129  
   130  	// Same as above but make sure it works for exact names
   131  	containerList, err = d.Containers(&types.ContainerListOptions{
   132  		Filters: filters.NewArgs(filters.Arg("name", "b1")),
   133  	})
   134  	assert.NilError(t, err)
   135  	assert.Assert(t, is.Len(containerList, 1))
   136  	assert.Assert(t, containerListContainsName(containerList, three.Name))
   137  
   138  	// Same as above but with slash prefix should produce the same result
   139  	containerListWithPrefix, err = d.Containers(&types.ContainerListOptions{
   140  		Filters: filters.NewArgs(filters.Arg("name", "/b1")),
   141  	})
   142  	assert.NilError(t, err)
   143  	assert.Assert(t, is.Len(containerListWithPrefix, 1))
   144  	assert.Assert(t, containerListContainsName(containerListWithPrefix, three.Name))
   145  }