| /* |
| Copyright 2016 The Kubernetes Authors. |
| |
| 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 |
| |
| http://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 testing |
| |
| import ( |
| "errors" |
| "os" |
| "time" |
| ) |
| |
| // FakeOS mocks out certain OS calls to avoid perturbing the filesystem |
| // If a member of the form `*Fn` is set, that function will be called in place |
| // of the real call. |
| type FakeOS struct { |
| StatFn func(string) (os.FileInfo, error) |
| ReadDirFn func(string) ([]os.FileInfo, error) |
| MkdirAllFn func(string, os.FileMode) error |
| SymlinkFn func(string, string) error |
| HostName string |
| Removes []string |
| Files map[string][]*os.FileInfo |
| } |
| |
| func NewFakeOS() *FakeOS { |
| return &FakeOS{ |
| Removes: []string{}, |
| Files: make(map[string][]*os.FileInfo), |
| } |
| } |
| |
| // Mkdir is a fake call that just returns nil. |
| func (f *FakeOS) MkdirAll(path string, perm os.FileMode) error { |
| if f.MkdirAllFn != nil { |
| return f.MkdirAllFn(path, perm) |
| } |
| return nil |
| } |
| |
| // Symlink is a fake call that just returns nil. |
| func (f *FakeOS) Symlink(oldname string, newname string) error { |
| if f.SymlinkFn != nil { |
| return f.SymlinkFn(oldname, newname) |
| } |
| return nil |
| } |
| |
| // Stat is a fake that returns an error |
| func (f FakeOS) Stat(path string) (os.FileInfo, error) { |
| if f.StatFn != nil { |
| return f.StatFn(path) |
| } |
| return nil, errors.New("unimplemented testing mock") |
| } |
| |
| // Remove is a fake call that returns nil. |
| func (f *FakeOS) Remove(path string) error { |
| f.Removes = append(f.Removes, path) |
| return nil |
| } |
| |
| // RemoveAll is a fake call that just returns nil. |
| func (f *FakeOS) RemoveAll(path string) error { |
| f.Removes = append(f.Removes, path) |
| return nil |
| } |
| |
| // Create is a fake call that returns nil. |
| func (FakeOS) Create(path string) (*os.File, error) { |
| return nil, nil |
| } |
| |
| // Chmod is a fake call that returns nil. |
| func (FakeOS) Chmod(path string, perm os.FileMode) error { |
| return nil |
| } |
| |
| // Hostname is a fake call that returns nil. |
| func (f *FakeOS) Hostname() (name string, err error) { |
| return f.HostName, nil |
| } |
| |
| // Chtimes is a fake call that returns nil. |
| func (FakeOS) Chtimes(path string, atime time.Time, mtime time.Time) error { |
| return nil |
| } |
| |
| // Pipe is a fake call that returns nil. |
| func (FakeOS) Pipe() (r *os.File, w *os.File, err error) { |
| return nil, nil, nil |
| } |
| |
| // ReadDir is a fake call that returns the files under the directory. |
| func (f *FakeOS) ReadDir(dirname string) ([]os.FileInfo, error) { |
| if f.ReadDirFn != nil { |
| return f.ReadDirFn(dirname) |
| } |
| return nil, nil |
| } |
| |
| // Glob is a fake call that returns nil. |
| func (f *FakeOS) Glob(pattern string) ([]string, error) { |
| return nil, nil |
| } |