1 files changed, 123 insertions, 0 deletions
diff --git a/volume/testutils/testutils.go b/volume/testutils/testutils.go
new file mode 100644
index 0000000..d54ba44
--- /dev/null
+++ b/volume/testutils/testutils.go
@@ -0,0 +1,123 @@
+package testutils
+
+import (
+	"fmt"
+	"time"
+
+	"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) (string, error) { return "noop", nil }
+
+// Unmount unmounts the volume from the container
+func (NoopVolume) Unmount(_ string) error { return nil }
+
+// Status proivdes low-level details about the volume
+func (NoopVolume) Status() map[string]interface{} { return nil }
+
+// CreatedAt provides the time the volume (directory) was created at
+func (NoopVolume) CreatedAt() (time.Time, error) { return time.Now(), nil }
+
+// FakeVolume is a fake volume with a random name
+type FakeVolume struct {
+	name       string
+	driverName string
+}
+
+// NewFakeVolume creates a new fake volume for testing
+func NewFakeVolume(name string, driverName string) volume.Volume {
+	return FakeVolume{name: name, driverName: driverName}
+}
+
+// Name is the name of the volume
+func (f FakeVolume) Name() string { return f.name }
+
+// DriverName is the name of the driver
+func (f FakeVolume) DriverName() string { return f.driverName }
+
+// 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) (string, error) { return "fake", nil }
+
+// Unmount unmounts the volume from the container
+func (FakeVolume) Unmount(_ string) error { return nil }
+
+// Status proivdes low-level details about the volume
+func (FakeVolume) Status() map[string]interface{} { return nil }
+
+// CreatedAt provides the time the volume (directory) was created at
+func (FakeVolume) CreatedAt() (time.Time, error) { return time.Now(), nil }
+
+// FakeDriver is a driver that generates fake volumes
+type FakeDriver struct {
+	name string
+	vols map[string]volume.Volume
+}
+
+// NewFakeDriver creates a new FakeDriver with the specified name
+func NewFakeDriver(name string) volume.Driver {
+	return &FakeDriver{
+		name: name,
+		vols: make(map[string]volume.Volume),
+	}
+}
+
+// Name is the name of the driver
+func (d *FakeDriver) Name() string { return d.name }
+
+// Create initializes a fake volume.
+// It returns an error if the options include an "error" key with a message
+func (d *FakeDriver) Create(name string, opts map[string]string) (volume.Volume, error) {
+	if opts != nil && opts["error"] != "" {
+		return nil, fmt.Errorf(opts["error"])
+	}
+	v := NewFakeVolume(name, d.name)
+	d.vols[name] = v
+	return v, nil
+}
+
+// Remove deletes a volume.
+func (d *FakeDriver) Remove(v volume.Volume) error {
+	if _, exists := d.vols[v.Name()]; !exists {
+		return fmt.Errorf("no such volume")
+	}
+	delete(d.vols, v.Name())
+	return nil
+}
+
+// List lists the volumes
+func (d *FakeDriver) List() ([]volume.Volume, error) {
+	var vols []volume.Volume
+	for _, v := range d.vols {
+		vols = append(vols, v)
+	}
+	return vols, nil
+}
+
+// Get gets the volume
+func (d *FakeDriver) Get(name string) (volume.Volume, error) {
+	if v, exists := d.vols[name]; exists {
+		return v, nil
+	}
+	return nil, fmt.Errorf("no such volume")
+}
+
+// Scope returns the local scope
+func (*FakeDriver) Scope() string {
+	return "local"
+}