mirror of https://github.com/restic/restic.git
104 lines
2.2 KiB
Go
104 lines
2.2 KiB
Go
package backend
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import "errors"
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// MockBackend implements a backend whose functions can be specified. This
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// should only be used for tests.
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type MockBackend struct {
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CloseFn func() error
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LoadFn func(h Handle, p []byte, off int64) (int, error)
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SaveFn func(h Handle, p []byte) error
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StatFn func(h Handle) (BlobInfo, error)
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ListFn func(Type, <-chan struct{}) <-chan string
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RemoveFn func(Type, string) error
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TestFn func(Type, string) (bool, error)
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DeleteFn func() error
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LocationFn func() string
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}
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// Close the backend.
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func (m *MockBackend) Close() error {
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if m.CloseFn == nil {
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return nil
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}
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return m.CloseFn()
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}
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// Location returns a location string.
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func (m *MockBackend) Location() string {
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if m.LocationFn == nil {
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return ""
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}
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return m.LocationFn()
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}
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// Load loads data from the backend.
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func (m *MockBackend) Load(h Handle, p []byte, off int64) (int, error) {
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if m.LoadFn == nil {
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return 0, errors.New("not implemented")
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}
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return m.LoadFn(h, p, off)
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}
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// Save data in the backend.
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func (m *MockBackend) Save(h Handle, p []byte) error {
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if m.SaveFn == nil {
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return errors.New("not implemented")
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}
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return m.SaveFn(h, p)
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}
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// Stat an object in the backend.
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func (m *MockBackend) Stat(h Handle) (BlobInfo, error) {
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if m.StatFn == nil {
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return BlobInfo{}, errors.New("not implemented")
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}
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return m.StatFn(h)
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}
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// List items of type t.
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func (m *MockBackend) List(t Type, done <-chan struct{}) <-chan string {
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if m.ListFn == nil {
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ch := make(chan string)
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close(ch)
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return ch
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}
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return m.ListFn(t, done)
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}
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// Remove data from the backend.
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func (m *MockBackend) Remove(t Type, name string) error {
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if m.RemoveFn == nil {
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return errors.New("not implemented")
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}
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return m.RemoveFn(t, name)
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}
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// Test for the existence of a specific item.
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func (m *MockBackend) Test(t Type, name string) (bool, error) {
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if m.TestFn == nil {
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return false, errors.New("not implemented")
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}
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return m.TestFn(t, name)
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}
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// Delete all data.
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func (m *MockBackend) Delete() error {
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if m.DeleteFn == nil {
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return errors.New("not implemented")
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}
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return m.DeleteFn()
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}
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// Make sure that MockBackend implements the backend interface.
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var _ Backend = &MockBackend{}
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