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Merge pull request #11350 from delftswa2014/utils-directory-windows

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Makes `directory` pkg compilable on Windows.
This commit is contained in:
Arnaud Porterie 2015-03-13 09:26:08 -07:00
commit 6374c12fbb
3 changed files with 64 additions and 19 deletions
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0
pkg/directory/directory.go → pkg/directory/directory_linux.go
View file

55
pkg/directory/directory_test.go
View file

@ -1,49 +1,54 @@
package directory
import (
"io/ioutil"
"os"
"testing"
)
// Size of an empty directory should be 0
func TestSizeEmpty(t *testing.T) {
var dir string
var err error
if err = os.Mkdir("/tmp/testSizeEmptyDirectory", 0777); err != nil {
if dir, err = ioutil.TempDir(os.TempDir(), "testSizeEmptyDirectory"); err != nil {
t.Fatalf("failed to create directory: %s", err)
}
var size int64
if size, _ = Size("/tmp/testSizeEmptyDirectory"); size != 0 {
if size, _ = Size(dir); size != 0 {
t.Fatalf("empty directory has size: %d", size)
}
}
// Size of a directory with one empty file should be 0
func TestSizeEmptyFile(t *testing.T) {
var dir string
var err error
if err = os.Mkdir("/tmp/testSizeEmptyFile", 0777); err != nil {
if dir, err = ioutil.TempDir(os.TempDir(), "testSizeEmptyFile"); err != nil {
t.Fatalf("failed to create directory: %s", err)
}
if _, err = os.Create("/tmp/testSizeEmptyFile/file"); err != nil {
var file *os.File
if file, err = ioutil.TempFile(dir, "file"); err != nil {
t.Fatalf("failed to create file: %s", err)
}
var size int64
if size, _ = Size("/tmp/testSizeEmptyFile"); size != 0 {
if size, _ = Size(file.Name()); size != 0 {
t.Fatalf("directory with one file has size: %d", size)
}
}
// Size of a directory with one 5-byte file should be 5
func TestSizeNonemptyFile(t *testing.T) {
var dir string
var err error
if err = os.Mkdir("/tmp/testSizeNonemptyFile", 0777); err != nil {
if dir, err = ioutil.TempDir(os.TempDir(), "testSizeNonemptyFile"); err != nil {
t.Fatalf("failed to create directory: %s", err)
}
var file *os.File
if file, err = os.Create("/tmp/testSizeNonemptyFile/file"); err != nil {
if file, err = ioutil.TempFile(dir, "file"); err != nil {
t.Fatalf("failed to create file: %s", err)
}
@ -51,33 +56,41 @@ func TestSizeNonemptyFile(t *testing.T) {
file.Write(d)
var size int64
if size, _ = Size("/tmp/testSizeNonemptyFile"); size != 5 {
if size, _ = Size(file.Name()); size != 5 {
t.Fatalf("directory with one 5-byte file has size: %d", size)
}
}
// Size of a directory with one empty directory should be 0
func TestSizeNestedDirectoryEmpty(t *testing.T) {
var dir string
var err error
if err = os.MkdirAll("/tmp/testSizeNestedDirectoryEmpty/nested", 0777); err != nil {
if dir, err = ioutil.TempDir(os.TempDir(), "testSizeNestedDirectoryEmpty"); err != nil {
t.Fatalf("failed to create directory: %s", err)
}
if dir, err = ioutil.TempDir(dir, "nested"); err != nil {
t.Fatalf("failed to create nested directory: %s", err)
}
var size int64
if size, _ = Size("/tmp/testSizeNestedDirectoryEmpty"); size != 0 {
if size, _ = Size(dir); size != 0 {
t.Fatalf("directory with one empty directory has size: %d", size)
}
}
// Test directory with 1 file and 1 empty directory
func TestSizeFileAndNestedDirectoryEmpty(t *testing.T) {
var dir string
var err error
if err = os.MkdirAll("/tmp/testSizeFileAndNestedDirectoryEmpty/nested", 0777); err != nil {
if dir, err = ioutil.TempDir(os.TempDir(), "testSizeFileAndNestedDirectoryEmpty"); err != nil {
t.Fatalf("failed to create directory: %s", err)
}
if dir, err = ioutil.TempDir(dir, "nested"); err != nil {
t.Fatalf("failed to create nested directory: %s", err)
}
var file *os.File
if file, err = os.Create("/tmp/testSizeFileAndNestedDirectoryEmpty/file"); err != nil {
if file, err = ioutil.TempFile(dir, "file"); err != nil {
t.Fatalf("failed to create file: %s", err)
}
@ -85,20 +98,24 @@ func TestSizeFileAndNestedDirectoryEmpty(t *testing.T) {
file.Write(d)
var size int64
if size, _ = Size("/tmp/testSizeFileAndNestedDirectoryEmpty"); size != 6 {
if size, _ = Size(dir); size != 6 {
t.Fatalf("directory with 6-byte file and empty directory has size: %d", size)
}
}
// Test directory with 1 file and 1 non-empty directory
func TestSizeFileAndNestedDirectoryNonempty(t *testing.T) {
var dir, dirNested string
var err error
if err = os.MkdirAll("/tmp/testSizeFileAndNestedDirectoryEmpty/nested", 0777); err != nil {
if dir, err = ioutil.TempDir(os.TempDir(), "TestSizeFileAndNestedDirectoryNonempty"); err != nil {
t.Fatalf("failed to create directory: %s", err)
}
if dirNested, err = ioutil.TempDir(dir, "nested"); err != nil {
t.Fatalf("failed to create nested directory: %s", err)
}
var file *os.File
if file, err = os.Create("/tmp/testSizeFileAndNestedDirectoryEmpty/file"); err != nil {
if file, err = ioutil.TempFile(dir, "file"); err != nil {
t.Fatalf("failed to create file: %s", err)
}
@ -106,15 +123,15 @@ func TestSizeFileAndNestedDirectoryNonempty(t *testing.T) {
file.Write(data)
var nestedFile *os.File
if nestedFile, err = os.Create("/tmp/testSizeFileAndNestedDirectoryEmpty/nested/file"); err != nil {
t.Fatalf("failed to create file: %s", err)
if nestedFile, err = ioutil.TempFile(dirNested, "file"); err != nil {
t.Fatalf("failed to create file in nested directory: %s", err)
}
nestedData := []byte{100, 111, 99, 107, 101, 114}
nestedFile.Write(nestedData)
var size int64
if size, _ = Size("/tmp/testSizeFileAndNestedDirectoryEmpty"); size != 12 {
t.Fatalf("directory with 6-byte file and empty directory has size: %d", size)
if size, _ = Size(dir); size != 12 {
t.Fatalf("directory with 6-byte file and nested directory with 6-byte file has size: %d", size)
}
}

28
pkg/directory/directory_windows.go Normal file
View file

@ -0,0 +1,28 @@
// +build windows
package directory
import (
"os"
"path/filepath"
)
// Size walks a directory tree and returns its total size in bytes.
func Size(dir string) (size int64, err error) {
err = filepath.Walk(dir, func(d string, fileInfo os.FileInfo, e error) error {
// Ignore directory sizes
if fileInfo == nil {
return nil
}
s := fileInfo.Size()
if fileInfo.IsDir() || s == 0 {
return nil
}
size += s
return nil
})
return
}