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Afero is a package that lets you mock out a filesystem with an in-memory filesystem. It allows us to easily create the files required for a given test without worrying about a cleanup step or different tests tripping on eachother when run in parallel. Later on I'll standardise on using afero over the vanilla os package
115 lines
2.7 KiB
Go
115 lines
2.7 KiB
Go
// Copyright © 2014 Steve Francia <spf@spf13.com>.
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//
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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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//
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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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package afero
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import (
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"errors"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"strings"
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"time"
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)
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type httpDir struct {
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basePath string
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fs HttpFs
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}
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func (d httpDir) Open(name string) (http.File, error) {
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if filepath.Separator != '/' && strings.ContainsRune(name, filepath.Separator) ||
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strings.Contains(name, "\x00") {
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return nil, errors.New("http: invalid character in file path")
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}
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dir := string(d.basePath)
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if dir == "" {
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dir = "."
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}
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f, err := d.fs.Open(filepath.Join(dir, filepath.FromSlash(path.Clean("/"+name))))
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if err != nil {
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return nil, err
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}
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return f, nil
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}
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type HttpFs struct {
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source Fs
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}
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func NewHttpFs(source Fs) *HttpFs {
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return &HttpFs{source: source}
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}
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func (h HttpFs) Dir(s string) *httpDir {
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return &httpDir{basePath: s, fs: h}
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}
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func (h HttpFs) Name() string { return "h HttpFs" }
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func (h HttpFs) Create(name string) (File, error) {
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return h.source.Create(name)
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}
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func (h HttpFs) Chmod(name string, mode os.FileMode) error {
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return h.source.Chmod(name, mode)
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}
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func (h HttpFs) Chown(name string, uid, gid int) error {
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return h.source.Chown(name, uid, gid)
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}
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func (h HttpFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
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return h.source.Chtimes(name, atime, mtime)
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}
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func (h HttpFs) Mkdir(name string, perm os.FileMode) error {
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return h.source.Mkdir(name, perm)
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}
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func (h HttpFs) MkdirAll(path string, perm os.FileMode) error {
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return h.source.MkdirAll(path, perm)
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}
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func (h HttpFs) Open(name string) (http.File, error) {
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f, err := h.source.Open(name)
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if err == nil {
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if httpfile, ok := f.(http.File); ok {
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return httpfile, nil
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}
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}
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return nil, err
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}
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func (h HttpFs) OpenFile(name string, flag int, perm os.FileMode) (File, error) {
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return h.source.OpenFile(name, flag, perm)
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}
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func (h HttpFs) Remove(name string) error {
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return h.source.Remove(name)
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}
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func (h HttpFs) RemoveAll(path string) error {
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return h.source.RemoveAll(path)
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}
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func (h HttpFs) Rename(oldname, newname string) error {
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return h.source.Rename(oldname, newname)
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}
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func (h HttpFs) Stat(name string) (os.FileInfo, error) {
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return h.source.Stat(name)
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}
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