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failing_snapshotter.go
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failing_snapshotter.go
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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may
// not use this file except in compliance with the License. A copy of the
// License is located at
//
// http://aws.amazon.com/apache2.0/
//
// or in the "license" file accompanying this file. This file is distributed
// on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
// express or implied. See the License for the specific language governing
// permissions and limitations under the License.
package internal
import (
"context"
"errors"
"github.com/containerd/containerd/mount"
"github.com/containerd/containerd/snapshots"
)
// FailingSnapshotter mocks containerd snapshots.Snapshotter interface
// return non-nil errors on calls.
type FailingSnapshotter struct{}
// Stat mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) Stat(ctx context.Context, key string) (snapshots.Info, error) {
return snapshots.Info{}, errors.New("mock Stat error from remote snapshotter")
}
// Update mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) Update(ctx context.Context, info snapshots.Info, fieldpaths ...string) (snapshots.Info, error) {
return snapshots.Info{}, errors.New("mock Update error from remote snapshotter")
}
// Usage mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) Usage(ctx context.Context, key string) (snapshots.Usage, error) {
return snapshots.Usage{}, errors.New("mock Usage error from remote snapshotter")
}
// Mounts mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) Mounts(ctx context.Context, key string) ([]mount.Mount, error) {
return []mount.Mount{}, errors.New("mock Mounts error from remote snapshotter")
}
// Prepare mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) Prepare(ctx context.Context, key string, parent string, opts ...snapshots.Opt) ([]mount.Mount, error) {
return []mount.Mount{}, errors.New("mock Prepare error from remote snapshotter")
}
// View mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) View(ctx context.Context, key string, parent string, opts ...snapshots.Opt) ([]mount.Mount, error) {
return []mount.Mount{}, errors.New("mock View error from remote snapshotter")
}
// Commit mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) Commit(ctx context.Context, name string, key string, opts ...snapshots.Opt) error {
return errors.New("mock Commit error from remote snapshotter")
}
// Remove mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) Remove(ctx context.Context, key string) error {
return errors.New("mock Remove error from remote snapshotter")
}
// Walk mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) Walk(ctx context.Context, fn snapshots.WalkFunc, filters ...string) error {
return errors.New("mock Walk error from remote snapshotter")
}
// Close mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) Close() error {
return errors.New("mock Close error from remote snapshotter")
}
// Cleanup mocks a failing remote call with a non-nil error.
func (s *FailingSnapshotter) Cleanup(ctx context.Context) error {
return errors.New("mock Cleanup error from remote snapshotter")
}