Moves files

internal/mock/backend.go

@@ -0,0 +1,118 @@
+package mock
+
+import (
+	"context"
+	"io"
+	"restic"
+
+	"restic/errors"
+)
+
+// Backend implements a mock backend.
+type Backend struct {
+	CloseFn      func() error
+	IsNotExistFn func(err error) bool
+	SaveFn       func(ctx context.Context, h restic.Handle, rd io.Reader) error
+	LoadFn       func(ctx context.Context, h restic.Handle, length int, offset int64) (io.ReadCloser, error)
+	StatFn       func(ctx context.Context, h restic.Handle) (restic.FileInfo, error)
+	ListFn       func(ctx context.Context, t restic.FileType) <-chan string
+	RemoveFn     func(ctx context.Context, h restic.Handle) error
+	TestFn       func(ctx context.Context, h restic.Handle) (bool, error)
+	DeleteFn     func(ctx context.Context) error
+	LocationFn   func() string
+}
+
+// Close the backend.
+func (m *Backend) Close() error {
+	if m.CloseFn == nil {
+		return nil
+	}
+
+	return m.CloseFn()
+}
+
+// Location returns a location string.
+func (m *Backend) Location() string {
+	if m.LocationFn == nil {
+		return ""
+	}
+
+	return m.LocationFn()
+}
+
+// IsNotExist returns true if the error is caused by a missing file.
+func (m *Backend) IsNotExist(err error) bool {
+	if m.IsNotExistFn == nil {
+		return false
+	}
+
+	return m.IsNotExistFn(err)
+}
+
+// Save data in the backend.
+func (m *Backend) Save(ctx context.Context, h restic.Handle, rd io.Reader) error {
+	if m.SaveFn == nil {
+		return errors.New("not implemented")
+	}
+
+	return m.SaveFn(ctx, h, rd)
+}
+
+// Load loads data from the backend.
+func (m *Backend) Load(ctx context.Context, h restic.Handle, length int, offset int64) (io.ReadCloser, error) {
+	if m.LoadFn == nil {
+		return nil, errors.New("not implemented")
+	}
+
+	return m.LoadFn(ctx, h, length, offset)
+}
+
+// Stat an object in the backend.
+func (m *Backend) Stat(ctx context.Context, h restic.Handle) (restic.FileInfo, error) {
+	if m.StatFn == nil {
+		return restic.FileInfo{}, errors.New("not implemented")
+	}
+
+	return m.StatFn(ctx, h)
+}
+
+// List items of type t.
+func (m *Backend) List(ctx context.Context, t restic.FileType) <-chan string {
+	if m.ListFn == nil {
+		ch := make(chan string)
+		close(ch)
+		return ch
+	}
+
+	return m.ListFn(ctx, t)
+}
+
+// Remove data from the backend.
+func (m *Backend) Remove(ctx context.Context, h restic.Handle) error {
+	if m.RemoveFn == nil {
+		return errors.New("not implemented")
+	}
+
+	return m.RemoveFn(ctx, h)
+}
+
+// Test for the existence of a specific item.
+func (m *Backend) Test(ctx context.Context, h restic.Handle) (bool, error) {
+	if m.TestFn == nil {
+		return false, errors.New("not implemented")
+	}
+
+	return m.TestFn(ctx, h)
+}
+
+// Delete all data.
+func (m *Backend) Delete(ctx context.Context) error {
+	if m.DeleteFn == nil {
+		return errors.New("not implemented")
+	}
+
+	return m.DeleteFn(ctx)
+}
+
+// Make sure that Backend implements the backend interface.
+var _ restic.Backend = &Backend{}