112 lines
2.8 KiB
Go
112 lines
2.8 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package testing
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import (
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"errors"
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"os"
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"time"
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)
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// FakeOS mocks out certain OS calls to avoid perturbing the filesystem
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// If a member of the form `*Fn` is set, that function will be called in place
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// of the real call.
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type FakeOS struct {
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StatFn func(string) (os.FileInfo, error)
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ReadDirFn func(string) ([]os.FileInfo, error)
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MkdirAllFn func(string, os.FileMode) error
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SymlinkFn func(string, string) error
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HostName string
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Removes []string
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Files map[string][]*os.FileInfo
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}
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func NewFakeOS() *FakeOS {
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return &FakeOS{
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Removes: []string{},
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Files: make(map[string][]*os.FileInfo),
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}
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}
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// Mkdir is a fake call that just returns nil.
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func (f *FakeOS) MkdirAll(path string, perm os.FileMode) error {
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if f.MkdirAllFn != nil {
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return f.MkdirAllFn(path, perm)
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}
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return nil
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}
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// Symlink is a fake call that just returns nil.
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func (f *FakeOS) Symlink(oldname string, newname string) error {
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if f.SymlinkFn != nil {
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return f.SymlinkFn(oldname, newname)
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}
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return nil
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}
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// Stat is a fake that returns an error
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func (f FakeOS) Stat(path string) (os.FileInfo, error) {
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if f.StatFn != nil {
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return f.StatFn(path)
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}
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return nil, errors.New("unimplemented testing mock")
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}
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// Remove is a fake call that returns nil.
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func (f *FakeOS) Remove(path string) error {
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f.Removes = append(f.Removes, path)
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return nil
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}
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// RemoveAll is a fake call that just returns nil.
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func (f *FakeOS) RemoveAll(path string) error {
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f.Removes = append(f.Removes, path)
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return nil
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}
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// Create is a fake call that returns nil.
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func (FakeOS) Create(path string) (*os.File, error) {
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return nil, nil
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}
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// Hostname is a fake call that returns nil.
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func (f *FakeOS) Hostname() (name string, err error) {
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return f.HostName, nil
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}
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// Chtimes is a fake call that returns nil.
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func (FakeOS) Chtimes(path string, atime time.Time, mtime time.Time) error {
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return nil
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}
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// Pipe is a fake call that returns nil.
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func (FakeOS) Pipe() (r *os.File, w *os.File, err error) {
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return nil, nil, nil
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}
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// ReadDir is a fake call that returns the files under the directory.
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func (f *FakeOS) ReadDir(dirname string) ([]os.FileInfo, error) {
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if f.ReadDirFn != nil {
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return f.ReadDirFn(dirname)
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}
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return nil, nil
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}
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// Glob is a fake call that returns nil.
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func (f *FakeOS) Glob(pattern string) ([]string, error) {
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return nil, nil
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}
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