Fixed the problem: filename has 0x00 symbol at the end

fuse/fuse.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"os"
 	"path"
+	"strings"
 )
 
 const (
@@ -254,7 +255,7 @@ func readDir(fs FileSystem, h *InHeader, ing interface{}, c *managerClient) (int
 }
 
 func lookup(h *InHeader, r *bytes.Buffer, c *managerClient) (interface{}, Status) {
-	filename := string(r.Bytes())
+	filename := strings.TrimRight(string(r.Bytes()), "\x00")
 	fmt.Printf("filename: %s\n", filename)
 	resp := c.lookup(h.NodeId, filename)
 	if resp.status != OK {

fuse/fuse_test.go

@@ -9,11 +9,11 @@ import (
 )
 
 const (
-	tempMountDir = "testMountDir"
+	tempMountDir = "testMountDir2"
 )
 
 var (
-	testFileNames = []string{"one", "two", "three3"}
+	testFileNames = []string{"one", "two", "three.txt"}
 )
 
 type testFuse struct{}