afero/memmap_test.go

153 lines
3.5 KiB
Go

package afero
import (
"os"
"path/filepath"
"testing"
"time"
)
func TestNormalizePath(t *testing.T) {
type test struct {
input string
expected string
}
data := []test{
{".", FilePathSeparator},
{"./", FilePathSeparator},
{"..", FilePathSeparator},
{"../", FilePathSeparator},
{"./..", FilePathSeparator},
{"./../", FilePathSeparator},
}
for i, d := range data {
cpath := normalizePath(d.input)
if d.expected != cpath {
t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, cpath)
}
}
}
func TestPathErrors(t *testing.T) {
path := filepath.Join(".", "some", "path")
path2 := filepath.Join(".", "different", "path")
fs := &MemMapFs{}
perm := os.FileMode(0755)
// relevant functions:
// func (m *MemMapFs) Chmod(name string, mode os.FileMode) error
// func (m *MemMapFs) Chtimes(name string, atime time.Time, mtime time.Time) error
// func (m *MemMapFs) Create(name string) (File, error)
// func (m *MemMapFs) Mkdir(name string, perm os.FileMode) error
// func (m *MemMapFs) MkdirAll(path string, perm os.FileMode) error
// func (m *MemMapFs) Open(name string) (File, error)
// func (m *MemMapFs) OpenFile(name string, flag int, perm os.FileMode) (File, error)
// func (m *MemMapFs) Remove(name string) error
// func (m *MemMapFs) Rename(oldname, newname string) error
// func (m *MemMapFs) Stat(name string) (os.FileInfo, error)
err := fs.Chmod(path, perm)
checkPathError(t, err, "Chmod")
err = fs.Chtimes(path, time.Now(), time.Now())
checkPathError(t, err, "Chtimes")
// fs.Create doesn't return an error
err = fs.Mkdir(path2, perm)
if err != nil {
t.Error(err)
}
err = fs.Mkdir(path2, perm)
checkPathError(t, err, "Mkdir")
err = fs.MkdirAll(path2, perm)
if err != nil {
t.Error("MkdirAll:", err)
}
_, err = fs.Open(path)
checkPathError(t, err, "Open")
_, err = fs.OpenFile(path, os.O_RDWR, perm)
checkPathError(t, err, "OpenFile")
err = fs.Remove(path)
checkPathError(t, err, "Remove")
err = fs.RemoveAll(path)
if err != nil {
t.Error("RemoveAll:", err)
}
err = fs.Rename(path, path2)
checkPathError(t, err, "Rename")
_, err = fs.Stat(path)
checkPathError(t, err, "Stat")
}
func checkPathError(t *testing.T, err error, op string) {
pathErr, ok := err.(*os.PathError)
if !ok {
t.Error(op+":", err, "is not a os.PathError")
return
}
_, ok = pathErr.Err.(*os.PathError)
if ok {
t.Error(op+":", err, "contains another os.PathError")
}
}
// Fails if multiple file objects use the same file.at counter in MemMapFs
func TestMultipleOpenFiles(t *testing.T) {
defer removeAllTestFiles(t)
const fileName = "./afero-demo2.txt"
var fss = []Fs{&OsFs{}, &MemMapFs{}}
var data = make([][]byte, len(fss))
for i, fs := range fss {
dir := testDir(fs)
path := filepath.Join(dir, fileName)
fh1, err := fs.Create(path)
if err != nil {
t.Error("os.Create failed: " + err.Error())
}
_, err = fh1.Write([]byte("test"))
if err != nil {
t.Error("fh.Write failed: " + err.Error())
}
fh1.Seek(0, os.SEEK_SET)
fh2, err := fs.OpenFile(path, os.O_RDWR, 0777)
if err != nil {
t.Error("fs.OpenFile failed: " + err.Error())
}
fh2.Seek(0, os.SEEK_END)
fh2.Write([]byte("data"))
fh2.Close()
fh1.Write([]byte("data"))
fh1.Close()
// the file now should contain "datadata"
data[i], err = ReadFile(fs, path)
if err != nil {
t.Error(err)
}
}
for i, fs := range fss {
if i == 0 {
continue
}
if string(data[0]) != string(data[i]) {
t.Errorf("OsFs and %s don't behave the same\n"+
"OsFs: \"%s\"\n%s: \"%s\"\n",
fs.Name(), data[0], fs.Name(), data[i])
}
}
}