Add Fs.Open() and read file test

1 files changed, 18 insertions, 6 deletions

diff --git a/file.go b/file.go
index c20ab62..2498bd8 100644
--- a/file.go
+++ b/file.go
@@ -1,21 +1,29 @@
 package s3
 
 import (
+	"context"
+	"io"
 	"os"
+	"path"
 )
 
 type File struct {
-	name string
+	fs     *Fs
+	key    string
+	r      io.ReadCloser
+	w      io.WriteCloser
+	cancel context.CancelFunc
 }
 
 // implements io.Closer
 func (f *File) Close() error {
-	panic("not implemented")
+	f.cancel()
+	return nil
 }
 
 // implements io.Reader
 func (f *File) Read(b []byte) (int, error) {
-	panic("not implemented")
+	return f.r.Read(b)
 }
 
 // implements io.ReaderAt
@@ -25,7 +33,7 @@ func (f *File) ReadAt(p []byte, off int64) (int, error) {
 
 // implements io.Writer
 func (f *File) Write(p []byte) (int, error) {
-	panic("not implemented")
+	return f.w.Write(p)
 }
 
 // implements io.WriterAt
@@ -34,7 +42,7 @@ func (f *File) WriteAt(p []byte, off int64) (int, error) {
 }
 
 func (f *File) Name() string {
-	return f.name
+	return path.Base(f.key)
 }
 
 func (f *File) Readdir(count int) ([]os.FileInfo, error) {
@@ -45,10 +53,14 @@ func (f *File) Readdirnames(n int) ([]string, error) {
 	panic("not implemented")
 }
 
-func (f *File) Stat() (os.FileInfo, error) {
+func (f *File) Seek(offset int64, whence int) (int64, error) {
 	panic("not implemented")
 }
 
+func (f *File) Stat() (os.FileInfo, error) {
+	return f.fs.Stat(f.key)
+}
+
 func (f *File) Sync() error {
 	panic("not implemented")
 }