moby/volume/testutils/testutils.go
David Calavera 72bb56618b Move volume ref counting store to a package.
- Add unit tests to make sure the functionality is correct.
- Add FilterByDriver to allow filtering volumes by driver, for future
  `volume ls` filtering and whatnot.

Signed-off-by: David Calavera <david.calavera@gmail.com>
2015-09-21 12:46:49 -04:00

68 lines
1.9 KiB
Go

package volumetestutils
import (
"fmt"
"github.com/docker/docker/volume"
)
// NoopVolume is a volume that doesn't perform any operation
type NoopVolume struct{}
// Name is the name of the volume
func (NoopVolume) Name() string { return "noop" }
// DriverName is the name of the driver
func (NoopVolume) DriverName() string { return "noop" }
// Path is the filesystem path to the volume
func (NoopVolume) Path() string { return "noop" }
// Mount mounts the volume in the container
func (NoopVolume) Mount() (string, error) { return "noop", nil }
// Unmount unmounts the volume from the container
func (NoopVolume) Unmount() error { return nil }
// FakeVolume is a fake volume with a random name
type FakeVolume struct {
name string
}
// NewFakeVolume creates a new fake volume for testing
func NewFakeVolume(name string) volume.Volume {
return FakeVolume{name: name}
}
// Name is the name of the volume
func (f FakeVolume) Name() string { return f.name }
// DriverName is the name of the driver
func (FakeVolume) DriverName() string { return "fake" }
// Path is the filesystem path to the volume
func (FakeVolume) Path() string { return "fake" }
// Mount mounts the volume in the container
func (FakeVolume) Mount() (string, error) { return "fake", nil }
// Unmount unmounts the volume from the container
func (FakeVolume) Unmount() error { return nil }
// FakeDriver is a driver that generates fake volumes
type FakeDriver struct{}
// Name is the name of the driver
func (FakeDriver) Name() string { return "fake" }
// Create initializes a fake volume.
// It returns an error if the options include an "error" key with a message
func (FakeDriver) Create(name string, opts map[string]string) (volume.Volume, error) {
if opts != nil && opts["error"] != "" {
return nil, fmt.Errorf(opts["error"])
}
return NewFakeVolume(name), nil
}
// Remove deletes a volume.
func (FakeDriver) Remove(v volume.Volume) error { return nil }