mountlib: fix code quality warnings

cmd/mountlib/fs.go

@@ -78,8 +78,8 @@ func NewInode() (inode uint64) {
 }
 
 // Lookup finds the Node by path starting from the root
-func (f *FS) Lookup(path string) (node Node, err error) {
+func (fsys *FS) Lookup(path string) (node Node, err error) {
-	node = f.root
+	node = fsys.root
 	for path != "" {
 		i := strings.IndexRune(path, '/')
 		var name string
@@ -106,7 +106,7 @@ func (f *FS) Lookup(path string) (node Node, err error) {
 
 // Statfs is called to obtain file system metadata.
 // It should write that data to resp.
-func (f *FS) Statfs() error {
+func (fsys *FS) Statfs() error {
 	/* FIXME
 	const blockSize = 4096
 	const fsBlocks = (1 << 50) / blockSize

cmd/mountlib/mounttest/dir.go

@@ -10,6 +10,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+// TestDirLs checks out listing
 func TestDirLs(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -26,6 +27,7 @@ func TestDirLs(t *testing.T) {
 	run.checkDir(t, "")
 }
 
+// TestDirCreateAndRemoveDir tests creating and removing a directory
 func TestDirCreateAndRemoveDir(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -44,6 +46,7 @@ func TestDirCreateAndRemoveDir(t *testing.T) {
 	run.checkDir(t, "")
 }
 
+// TestDirCreateAndRemoveFile tests creating and removing a file
 func TestDirCreateAndRemoveFile(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -63,6 +66,7 @@ func TestDirCreateAndRemoveFile(t *testing.T) {
 	run.checkDir(t, "")
 }
 
+// TestDirRenameFile tests renaming a file
 func TestDirRenameFile(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -91,6 +95,7 @@ func TestDirRenameFile(t *testing.T) {
 	run.checkDir(t, "")
 }
 
+// TestDirRenameEmptyDir tests renaming and empty directory
 func TestDirRenameEmptyDir(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -111,6 +116,7 @@ func TestDirRenameEmptyDir(t *testing.T) {
 	run.checkDir(t, "")
 }
 
+// TestDirRenameFullDir tests renaming a full directory
 func TestDirRenameFullDir(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -133,6 +139,7 @@ func TestDirRenameFullDir(t *testing.T) {
 	run.checkDir(t, "")
 }
 
+// TestDirModTime tests mod times
 func TestDirModTime(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -150,6 +157,7 @@ func TestDirModTime(t *testing.T) {
 	run.rmdir(t, "dir")
 }
 
+// TestDirCacheFlush tests fluching the dir cache
 func TestDirCacheFlush(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -189,6 +197,7 @@ func TestDirCacheFlush(t *testing.T) {
 	run.checkDir(t, "")
 }
 
+// TestDirCacheFlushOnDirRename tests flushing the dir cache on rename
 func TestDirCacheFlushOnDirRename(t *testing.T) {
 	run.skipIfNoFUSE(t)
 	run.mkdir(t, "dir")

cmd/mountlib/mounttest/file.go

@@ -9,6 +9,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+// TestFileModTime tests mod times on files
 func TestFileModTime(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -27,6 +28,7 @@ func TestFileModTime(t *testing.T) {
 	run.rm(t, "file")
 }
 
+// TestFileModTimeWithOpenWriters tests mod time on open files
 func TestFileModTimeWithOpenWriters(t *testing.T) {
 	run.skipIfNoFUSE(t)
 

cmd/mountlib/mounttest/fs.go

@@ -17,7 +17,7 @@ import (
 
 	"github.com/ncw/rclone/cmd/mountlib"
 	"github.com/ncw/rclone/fs"
-	_ "github.com/ncw/rclone/fs/all"
+	_ "github.com/ncw/rclone/fs/all" // import all the file systems
 	"github.com/ncw/rclone/fstest"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -35,7 +35,9 @@ var (
 )
 
 type (
+	// UnmountFn is called to unmount the file system
 	UnmountFn func() error
+	// MountFn is called to mount the file system
 	MountFn func(f fs.Fs, mountpoint string) (*mountlib.FS, <-chan error, func() error, error)
 )
 
@@ -294,8 +296,8 @@ func (r *Run) rmdir(t *testing.T, filepath string) {
 	require.NoError(t, err)
 }
 
-// Check that the Fs is mounted by seeing if the mountpoint is
+// TestMount checks that the Fs is mounted by seeing if the mountpoint
-// in the mount output
+// is in the mount output
 func TestMount(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -304,7 +306,7 @@ func TestMount(t *testing.T) {
 	assert.Contains(t, string(out), run.mountPath)
 }
 
-// Check root directory is present and correct
+// TestRoot checks root directory is present and correct
 func TestRoot(t *testing.T) {
 	run.skipIfNoFUSE(t)
 

cmd/mountlib/mounttest/read.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-// Read by byte including don't read any bytes
+// TestReadByByte reads by byte including don't read any bytes
 func TestReadByByte(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -34,6 +34,7 @@ func TestReadByByte(t *testing.T) {
 	run.rm(t, "testfile")
 }
 
+// TestReadChecksum checks the checksum reading is working
 func TestReadChecksum(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -73,7 +74,7 @@ func TestReadChecksum(t *testing.T) {
 	run.rm(t, "bigfile")
 }
 
-// Test seeking
+// TestReadSeek test seeking
 func TestReadSeek(t *testing.T) {
 	run.skipIfNoFUSE(t)
 

cmd/mountlib/mounttest/write.go

@@ -9,7 +9,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-// Test writing a file with no write()'s to it
+// TestWriteFileNoWrite tests writing a file with no write()'s to it
 func TestWriteFileNoWrite(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -27,7 +27,7 @@ func TestWriteFileNoWrite(t *testing.T) {
 	run.rm(t, "testnowrite")
 }
 
-// Test open file in directory listing
+// FIXMETestWriteOpenFileInDirListing tests open file in directory listing
 func FIXMETestWriteOpenFileInDirListing(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -42,7 +42,7 @@ func FIXMETestWriteOpenFileInDirListing(t *testing.T) {
 	run.rm(t, "testnowrite")
 }
 
-// Test writing a file and reading it back
+// TestWriteFileWrite tests writing a file and reading it back
 func TestWriteFileWrite(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -53,7 +53,7 @@ func TestWriteFileWrite(t *testing.T) {
 	run.rm(t, "testwrite")
 }
 
-// Test overwriting a file
+// TestWriteFileOverwrite tests overwriting a file
 func TestWriteFileOverwrite(t *testing.T) {
 	run.skipIfNoFUSE(t)
 
@@ -65,7 +65,7 @@ func TestWriteFileOverwrite(t *testing.T) {
 	run.rm(t, "testwrite")
 }
 
-// Test Fsync
+// TestWriteFileFsync tests Fsync
 //
 // NB the code for this is in file.go rather than write.go
 func TestWriteFileFsync(t *testing.T) {

cmd/mountlib/write.go

@@ -91,7 +91,7 @@ func (fh *WriteFileHandle) Write(data []byte, offset int64) (written int64, err
 	return written, nil
 }
 
-// Returns the offset of the file pointer
+// Offset returns the offset of the file pointer
 func (fh *WriteFileHandle) Offset() (offset int64) {
 	return fh.offset
 }