func isFile(fs rwvfs.FileSystem, file string) bool {
fi, err := fs.Stat(file)
if err != nil {
return false
}
return fi.Mode().IsRegular()
}
func PathDoesNotExist(t *testing.T, label string, fs rwvfs.FileSystem, path string) {
fi, err := fs.Stat(path)
if err != nil && !os.IsNotExist(err) {
t.Errorf("%s: Stat(%q): want os.IsNotExist-satisfying error, got %q", label, path, err)
} else if err == nil {
t.Errorf("%s: Stat(%q): want file to not exist, got existing file with FileInfo %+v", label, path, fi)
}
}
func testWrite(t *testing.T, fs rwvfs.FileSystem, path string) {
label := fmt.Sprintf("%T", fs)
w, err := fs.Create(path)
if err != nil {
t.Fatalf("%s: WriterOpen: %s", label, err)
}
input := []byte("qux")
_, err = w.Write(input)
if err != nil {
t.Fatalf("%s: Write: %s", label, err)
}
err = w.Close()
if err != nil {
t.Fatalf("%s: w.Close: %s", label, err)
}
var r io.ReadCloser
r, err = fs.Open(path)
if err != nil {
t.Fatalf("%s: Open: %s", label, err)
}
var output []byte
output, err = ioutil.ReadAll(r)
if err != nil {
t.Fatalf("%s: ReadAll: %s", label, err)
}
if !bytes.Equal(output, input) {
t.Errorf("%s: got output %q, want %q", label, output, input)
}
r, err = fs.Open(path)
if err != nil {
t.Fatalf("%s: Open: %s", label, err)
}
output, err = ioutil.ReadAll(r)
if err != nil {
t.Fatalf("%s: ReadAll: %s", label, err)
}
if !bytes.Equal(output, input) {
t.Errorf("%s: got output %q, want %q", label, output, input)
}
if err := fs.Remove(path); err != nil {
t.Errorf("%s: Remove(%q): %s", label, path, err)
}
time.Sleep(time.Second)
fi, err := fs.Stat(path)
if err != nil && !os.IsNotExist(err) {
t.Errorf("%s: Stat(%q): want os.IsNotExist-satisfying error, got %q", label, path, err)
} else if err == nil {
t.Errorf("%s: Stat(%q): want file to not exist, got existing file with FileInfo %+v", label, path, fi)
}
}
func IsFile(t *testing.T, label string, fs rwvfs.FileSystem, path string) {
fi, err := fs.Stat(path)
if err != nil {
t.Fatalf("%s: Stat(%q): %s", label, path, err)
}
if !fi.Mode().IsRegular() {
t.Errorf("%s: got fs.Stat(%q) Mode().IsRegular() == false, want true", label, path)
}
}
func IsDir(t *testing.T, label string, fs rwvfs.FileSystem, path string) {
fi, err := fs.Stat(path)
if err != nil {
t.Fatalf("%s: Stat(%q): %s", label, path, err)
}
if fi == nil {
t.Fatalf("%s: FileInfo (%q) == nil", label, path)
}
if !fi.IsDir() {
t.Errorf("%s: got fs.Stat(%q) IsDir() == false, want true", label, path)
}
}
// statIndex calls fs.Stat on the index's backing file or dir.
func statIndex(fs rwvfs.FileSystem, name string) (os.FileInfo, error) {
return fs.Stat(fmt.Sprintf(indexFilename, name))
}
func Mkdir(t *testing.T, fs rwvfs.FileSystem) {
label := fmt.Sprintf("%T", fs)
if strings.Contains(label, "subFS") {
if err := fs.Mkdir("/"); err != nil && !os.IsExist(err) {
t.Fatalf("%s: subFS Mkdir(/): %s", label, err)
}
}
if strings.Contains(label, "mapFS") {
if err := fs.Mkdir("/"); err != nil && !os.IsExist(err) {
t.Fatalf("%s: mapFS Mkdir(/): %s", label, err)
}
}
fi, err := fs.Stat(".")
if err != nil {
t.Fatalf("%s: Stat(.): %s", label, err)
}
if !fi.Mode().IsDir() {
t.Fatalf("%s: got Stat(.) FileMode %o, want IsDir", label, fi.Mode())
}
fi, err = fs.Stat("/")
if err != nil {
t.Fatalf("%s: Stat(/): %s", label, err)
}
if !fi.Mode().IsDir() {
t.Fatalf("%s: got Stat(/) FileMode %o, want IsDir", label, fi.Mode())
}
if _, err := fs.ReadDir("."); err != nil {
t.Fatalf("%s: ReadDir(.): %s", label, err)
}
if _, err := fs.ReadDir("/"); err != nil {
t.Fatalf("%s: ReadDir(/): %s", label, err)
}
fis, err := fs.ReadDir("/")
if err != nil {
t.Fatalf("%s: ReadDir(/): %s", label, err)
}
if len(fis) != 0 {
t.Fatalf("%s: ReadDir(/): got %d file infos (%v), want none (is it including .?)", label, len(fis), fis)
}
err = fs.Mkdir("dir0")
if err != nil {
t.Fatalf("%s: Mkdir(dir0): %s", label, err)
}
IsDir(t, label, fs, "dir0")
IsDir(t, label, fs, "/dir0")
err = fs.Mkdir("/dir1")
if err != nil {
t.Fatalf("%s: Mkdir(/dir1): %s", label, err)
}
IsDir(t, label, fs, "dir1")
IsDir(t, label, fs, "/dir1")
err = fs.Mkdir("/dir1")
if !os.IsExist(err) {
t.Errorf("%s: Mkdir(/dir1) again: got err %v, want os.IsExist-satisfying error", label, err)
}
err = fs.Mkdir("/parent-doesnt-exist/dir2")
if !os.IsNotExist(err) {
t.Errorf("%s: Mkdir(/parent-doesnt-exist/dir2): got error %v, want os.IsNotExist-satisfying error", label, err)
}
err = fs.Remove("/dir1")
if err != nil {
t.Errorf("%s: Remove(/dir1): %s", label, err)
}
PathDoesNotExist(t, label, fs, "/dir1")
}
func testStat(t *testing.T, fs rwvfs.FileSystem, path string) {
label := fmt.Sprintf("Stat %T", fs)
cases := []struct {
parent, child string
checkDirs []string
}{
{pathpkg.Join(path, "p"), pathpkg.Join(path, "p/c"), nil},
{pathpkg.Join(path, "."), pathpkg.Join(path, "c"), nil},
{pathpkg.Join(path, "p1/p2"), pathpkg.Join(path, "p1/p2/p3/c"), []string{"p1", "p1/p2/p3"}},
{pathpkg.Join(path, "p1"), pathpkg.Join(path, "p1/p2/p3/c"), []string{"p1/p2", "p1/p2/p3"}},
}
// Clean out bucket.
for _, x := range cases {
removeFile(t, fs, x.parent)
removeFile(t, fs, x.child)
}
removeFile(t, fs, path)
if path != "." {
if _, err := fs.Stat(path); !os.IsNotExist(err) {
t.Fatalf("%s: Stat(%s): got error %v, want os.IsNotExist-satisfying", label, path, err)
}
}
if _, err := fs.Stat(path + "/z"); !os.IsNotExist(err) {
t.Fatalf("%s: Stat(%s): got error %v, want os.IsNotExist-satisfying", label, path+"/z", err)
}
// Not sure of the best way to treat S3 keys that are
// delimiter-prefixes of other keys, since they can either be like
// dirs or files. But let's just choose a way and add a test so we
// can change the behavior easily later.
for _, x := range cases {
t.Logf("# parent %q, child %q", x.parent, x.child)
createFile(t, fs, x.parent, []byte("x"))
createFile(t, fs, x.child, []byte("x"))
parentFI, err := fs.Stat(x.parent)
if err != nil {
t.Fatalf("%s: Stat(%s): %s", label, x.parent, err)
}
if !parentFI.Mode().IsDir() {
t.Fatalf("%s: Stat(%s) got Mode().IsDir() == false, want true", label, x.parent)
}
childFI, err := fs.Stat(x.child)
if err != nil {
t.Fatalf("%s: Stat(%s): %s", label, x.child, err)
}
if !childFI.Mode().IsRegular() {
t.Fatalf("%s: Stat(%s) got Mode().IsRegular() == false, want true", label, x.child)
}
// Should not exist.
doesntExist := pathpkg.Join(x.child, "doesntexist")
if _, err := fs.Stat(doesntExist); !os.IsNotExist(err) {
t.Fatalf("%s: Stat(%s): got error %v, want os.IsNotExist-satisfying", label, doesntExist, err)
}
for _, dir := range x.checkDirs {
dir = pathpkg.Join(path, dir)
fi, err := fs.Stat(dir)
if err != nil {
t.Fatalf("%s: Stat(%s): %s", label, dir, err)
}
if !fi.Mode().IsDir() {
t.Fatalf("%s: Stat(%s): not dir, want dir", label, dir)
}
}
if x.parent != "." {
// Check that the parent file can be opened like a file.
f, err := fs.Open(x.parent)
if err != nil {
t.Fatalf("%s: Open(%s): %s", label, x.parent, err)
}
f.Close()
}
// Clean up
if err := fs.Remove(x.parent); err != nil {
t.Errorf("%s: Remove(%q): %s", label, x.parent, err)
}
if err := fs.Remove(x.child); err != nil {
t.Errorf("%s: Remove(%q): %s", label, x.child, err)
}
}
}