| // Copyright 2020 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License 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 mount |
| |
| import ( |
| "fmt" |
| ) |
| |
| type MountEntry struct { |
| Source string |
| FSType string |
| Flags uintptr |
| Data string |
| } |
| |
| type fakeMounter struct { |
| mountMap map[string]MountEntry //keyed by target |
| } |
| |
| func NewFakeMounter() *fakeMounter { |
| var f fakeMounter |
| f.mountMap = make(map[string]MountEntry) |
| return &f |
| } |
| |
| func (f *fakeMounter) Mount(source string, target string, fstype string, flags uintptr, data string) error { |
| //Using the target as the key prevents more |
| //than one source mapping to the same target |
| f.mountMap[target] = MountEntry{ |
| Source: source, |
| FSType: fstype, |
| Flags: flags, |
| Data: data, |
| } |
| return nil |
| } |
| |
| func (f *fakeMounter) Unmount(target string, flags int) error { |
| _, ok := f.mountMap[target] |
| if !ok { |
| return fmt.Errorf("Mount %s not found", target) |
| } |
| delete(f.mountMap, target) |
| return nil |
| } |
| |
| func (f *fakeMounter) List() ([]string, error) { |
| var list []string |
| for target, _ := range f.mountMap { |
| list = append(list, target) |
| } |
| |
| return list, nil |
| } |