memory: fix Stats size

Author: mcuadros

memory/memory.go

@@ -72,13 +72,13 @@ func (fs *Memory) OpenFile(filename string, flag int, perm os.FileMode) (billy.F
 func (fs *Memory) Stat(filename string) (billy.FileInfo, error) {
 	fullpath := fs.Join(fs.base, filename)
 
-	if _, ok := fs.s.files[filename]; ok {
-		return newFileInfo(fs.base, fullpath, fs.s.files[filename].content.Len()), nil
+	if _, ok := fs.s.files[fullpath]; ok {
+		return newFileInfo(fs.base, fullpath, fs.s.files[fullpath].content.Len()), nil
 	}
 
-	info, err := fs.ReadDir(filename)
+	info, err := fs.ReadDir(fullpath)
 	if err == nil && len(info) != 0 {
-		return newFileInfo(fs.base, fullpath, len(info)), nil
+		return newFileInfo(fs.base, fullpath, len(info)+100), nil
 	}
 
 	return nil, os.ErrNotExist

test/fs_suite.go

@@ -1,15 +1,14 @@
 package test
 
 import (
+	"bytes"
 	"fmt"
 	"io"
 	"io/ioutil"
 	"os"
 	"strings"
 	"testing"
 
-	"bytes"
-
 	. "gopkg.in/check.v1"
 	. "srcd.works/go-billy.v1"
 )
@@ -379,6 +378,8 @@ func (s *FilesystemSuite) TestOpenAndWrite(c *C) {
 func (s *FilesystemSuite) TestOpenAndStat(c *C) {
 	f, err := s.Fs.Create("foo")
 	c.Assert(err, IsNil)
+	_, err = f.Write([]byte("foo"))
+	c.Assert(err, IsNil)
 	c.Assert(f.Close(), IsNil)
 
 	foo, err := s.Fs.Open("foo")
@@ -390,6 +391,7 @@ func (s *FilesystemSuite) TestOpenAndStat(c *C) {
 	c.Assert(stat, NotNil)
 	c.Assert(err, IsNil)
 	c.Assert(stat.Name(), Equals, "foo")
+	c.Assert(stat.Size(), Equals, int64(3))
 }
 
 func (s *FilesystemSuite) TestRemove(c *C) {