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	Merge pull request #11350 from delftswa2014/utils-directory-windows
Makes `directory` pkg compilable on Windows.
This commit is contained in:
		
						commit
						6374c12fbb
					
				
					 3 changed files with 64 additions and 19 deletions
				
			
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			@ -1,49 +1,54 @@
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package directory
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import (
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	"io/ioutil"
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	"os"
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	"testing"
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)
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// Size of an empty directory should be 0
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func TestSizeEmpty(t *testing.T) {
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	var dir string
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	var err error
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	if err = os.Mkdir("/tmp/testSizeEmptyDirectory", 0777); err != nil {
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	if dir, err = ioutil.TempDir(os.TempDir(), "testSizeEmptyDirectory"); err != nil {
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		t.Fatalf("failed to create directory: %s", err)
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	}
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	var size int64
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	if size, _ = Size("/tmp/testSizeEmptyDirectory"); size != 0 {
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	if size, _ = Size(dir); size != 0 {
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		t.Fatalf("empty directory has size: %d", size)
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	}
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}
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// Size of a directory with one empty file should be 0
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func TestSizeEmptyFile(t *testing.T) {
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	var dir string
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	var err error
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	if err = os.Mkdir("/tmp/testSizeEmptyFile", 0777); err != nil {
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	if dir, err = ioutil.TempDir(os.TempDir(), "testSizeEmptyFile"); err != nil {
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		t.Fatalf("failed to create directory: %s", err)
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	}
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	if _, err = os.Create("/tmp/testSizeEmptyFile/file"); err != nil {
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	var file *os.File
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	if file, err = ioutil.TempFile(dir, "file"); err != nil {
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		t.Fatalf("failed to create file: %s", err)
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	}
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	var size int64
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	if size, _ = Size("/tmp/testSizeEmptyFile"); size != 0 {
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	if size, _ = Size(file.Name()); size != 0 {
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		t.Fatalf("directory with one file has size: %d", size)
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	}
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}
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// Size of a directory with one 5-byte file should be 5
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func TestSizeNonemptyFile(t *testing.T) {
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	var dir string
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	var err error
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	if err = os.Mkdir("/tmp/testSizeNonemptyFile", 0777); err != nil {
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	if dir, err = ioutil.TempDir(os.TempDir(), "testSizeNonemptyFile"); err != nil {
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		t.Fatalf("failed to create directory: %s", err)
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	}
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	var file *os.File
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	if file, err = os.Create("/tmp/testSizeNonemptyFile/file"); err != nil {
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	if file, err = ioutil.TempFile(dir, "file"); err != nil {
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		t.Fatalf("failed to create file: %s", err)
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	}
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			@ -51,33 +56,41 @@ func TestSizeNonemptyFile(t *testing.T) {
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	file.Write(d)
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	var size int64
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	if size, _ = Size("/tmp/testSizeNonemptyFile"); size != 5 {
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	if size, _ = Size(file.Name()); size != 5 {
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		t.Fatalf("directory with one 5-byte file has size: %d", size)
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	}
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}
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// Size of a directory with one empty directory should be 0
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func TestSizeNestedDirectoryEmpty(t *testing.T) {
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	var dir string
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	var err error
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	if err = os.MkdirAll("/tmp/testSizeNestedDirectoryEmpty/nested", 0777); err != nil {
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	if dir, err = ioutil.TempDir(os.TempDir(), "testSizeNestedDirectoryEmpty"); err != nil {
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		t.Fatalf("failed to create directory: %s", err)
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	}
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	if dir, err = ioutil.TempDir(dir, "nested"); err != nil {
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		t.Fatalf("failed to create nested directory: %s", err)
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	}
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	var size int64
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	if size, _ = Size("/tmp/testSizeNestedDirectoryEmpty"); size != 0 {
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	if size, _ = Size(dir); size != 0 {
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		t.Fatalf("directory with one empty directory has size: %d", size)
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	}
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}
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// Test directory with 1 file and 1 empty directory
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func TestSizeFileAndNestedDirectoryEmpty(t *testing.T) {
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	var dir string
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	var err error
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	if err = os.MkdirAll("/tmp/testSizeFileAndNestedDirectoryEmpty/nested", 0777); err != nil {
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	if dir, err = ioutil.TempDir(os.TempDir(), "testSizeFileAndNestedDirectoryEmpty"); err != nil {
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		t.Fatalf("failed to create directory: %s", err)
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	}
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	if dir, err = ioutil.TempDir(dir, "nested"); err != nil {
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		t.Fatalf("failed to create nested directory: %s", err)
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	}
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	var file *os.File
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	if file, err = os.Create("/tmp/testSizeFileAndNestedDirectoryEmpty/file"); err != nil {
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	if file, err = ioutil.TempFile(dir, "file"); err != nil {
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		t.Fatalf("failed to create file: %s", err)
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	}
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			@ -85,20 +98,24 @@ func TestSizeFileAndNestedDirectoryEmpty(t *testing.T) {
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	file.Write(d)
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	var size int64
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	if size, _ = Size("/tmp/testSizeFileAndNestedDirectoryEmpty"); size != 6 {
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	if size, _ = Size(dir); size != 6 {
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		t.Fatalf("directory with 6-byte file and empty directory has size: %d", size)
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	}
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}
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// Test directory with 1 file and 1 non-empty directory
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func TestSizeFileAndNestedDirectoryNonempty(t *testing.T) {
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	var dir, dirNested string
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	var err error
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	if err = os.MkdirAll("/tmp/testSizeFileAndNestedDirectoryEmpty/nested", 0777); err != nil {
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	if dir, err = ioutil.TempDir(os.TempDir(), "TestSizeFileAndNestedDirectoryNonempty"); err != nil {
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		t.Fatalf("failed to create directory: %s", err)
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	}
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	if dirNested, err = ioutil.TempDir(dir, "nested"); err != nil {
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		t.Fatalf("failed to create nested directory: %s", err)
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	}
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	var file *os.File
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	if file, err = os.Create("/tmp/testSizeFileAndNestedDirectoryEmpty/file"); err != nil {
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	if file, err = ioutil.TempFile(dir, "file"); err != nil {
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		t.Fatalf("failed to create file: %s", err)
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	}
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			@ -106,15 +123,15 @@ func TestSizeFileAndNestedDirectoryNonempty(t *testing.T) {
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	file.Write(data)
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	var nestedFile *os.File
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	if nestedFile, err = os.Create("/tmp/testSizeFileAndNestedDirectoryEmpty/nested/file"); err != nil {
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		t.Fatalf("failed to create file: %s", err)
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	if nestedFile, err = ioutil.TempFile(dirNested, "file"); err != nil {
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		t.Fatalf("failed to create file in nested directory: %s", err)
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	}
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	nestedData := []byte{100, 111, 99, 107, 101, 114}
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	nestedFile.Write(nestedData)
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	var size int64
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	if size, _ = Size("/tmp/testSizeFileAndNestedDirectoryEmpty"); size != 12 {
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		t.Fatalf("directory with 6-byte file and empty directory has size: %d", size)
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	if size, _ = Size(dir); size != 12 {
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		t.Fatalf("directory with 6-byte file and nested directory with 6-byte file has size: %d", size)
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	}
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}
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						 | 
				
			
			
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										28
									
								
								pkg/directory/directory_windows.go
									
										
									
									
									
										Normal file
									
								
							
							
						
						
									
										28
									
								
								pkg/directory/directory_windows.go
									
										
									
									
									
										Normal file
									
								
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			@ -0,0 +1,28 @@
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// +build windows
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package directory
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import (
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	"os"
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	"path/filepath"
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)
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// Size walks a directory tree and returns its total size in bytes.
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func Size(dir string) (size int64, err error) {
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	err = filepath.Walk(dir, func(d string, fileInfo os.FileInfo, e error) error {
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		// Ignore directory sizes
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		if fileInfo == nil {
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			return nil
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		}
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		s := fileInfo.Size()
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		if fileInfo.IsDir() || s == 0 {
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			return nil
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		}
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		size += s
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		return nil
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	})
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	return
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}
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