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-rw-r--r--utils/fs/fs.go16
-rw-r--r--utils/fs/os/os.go68
-rw-r--r--utils/fs/test/fs_suite.go131
3 files changed, 163 insertions, 52 deletions
diff --git a/utils/fs/fs.go b/utils/fs/fs.go
index 463425c..7e6c01f 100644
--- a/utils/fs/fs.go
+++ b/utils/fs/fs.go
@@ -14,10 +14,9 @@ var (
)
type Filesystem interface {
- //Create opens a file in write-only mode.
Create(filename string) (File, error)
- //Open opens a file in read-only mode.
Open(filename string) (File, error)
+ OpenFile(filename string, flag int, perm os.FileMode) (File, error)
Stat(filename string) (FileInfo, error)
ReadDir(path string) ([]FileInfo, error)
TempFile(dir, prefix string) (File, error)
@@ -38,3 +37,16 @@ type File interface {
}
type FileInfo os.FileInfo
+
+type BaseFile struct {
+ BaseFilename string
+ Closed bool
+}
+
+func (f *BaseFile) Filename() string {
+ return f.BaseFilename
+}
+
+func (f *BaseFile) IsClosed() bool {
+ return f.Closed
+}
diff --git a/utils/fs/os/os.go b/utils/fs/os/os.go
index 800bd41..02395d6 100644
--- a/utils/fs/os/os.go
+++ b/utils/fs/os/os.go
@@ -6,7 +6,7 @@ import (
"path"
"path/filepath"
- . "gopkg.in/src-d/go-git.v4/utils/fs"
+ "gopkg.in/src-d/go-git.v4/utils/fs"
)
// OS a filesystem base on the os filesystem
@@ -21,15 +21,24 @@ func NewOS(baseDir string) *OS {
}
}
-// Create creates a new GlusterFSFile
-func (fs *OS) Create(filename string) (File, error) {
+// Create creates a file and opens it with standard permissions
+// and modes O_RDWR, O_CREATE and O_TRUNC.
+func (fs *OS) Create(filename string) (fs.File, error) {
+ return fs.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666)
+}
+
+// OpenFile is equivalent to standard os.OpenFile.
+// If flag os.O_CREATE is set, all parent directories will be created.
+func (fs *OS) OpenFile(filename string, flag int, perm os.FileMode) (fs.File, error) {
fullpath := path.Join(fs.base, filename)
- if err := fs.createDir(fullpath); err != nil {
- return nil, err
+ if flag|os.O_CREATE != 0 {
+ if err := fs.createDir(fullpath); err != nil {
+ return nil, err
+ }
}
- f, err := os.Create(fullpath)
+ f, err := os.OpenFile(fullpath, flag, perm)
if err != nil {
return nil, err
}
@@ -55,15 +64,15 @@ func (fs *OS) createDir(fullpath string) error {
// ReadDir returns the filesystem info for all the archives under the specified
// path.
-func (fs *OS) ReadDir(path string) ([]FileInfo, error) {
- fullpath := fs.Join(fs.base, path)
+func (ofs *OS) ReadDir(path string) ([]fs.FileInfo, error) {
+ fullpath := ofs.Join(ofs.base, path)
l, err := ioutil.ReadDir(fullpath)
if err != nil {
return nil, err
}
- var s = make([]FileInfo, len(l))
+ var s = make([]fs.FileInfo, len(l))
for i, f := range l {
s[i] = f
}
@@ -82,20 +91,13 @@ func (fs *OS) Rename(from, to string) error {
return os.Rename(from, to)
}
-// Open opens the named file for reading. If successful, methods on the returned
-// file can be used for reading only.
-func (fs *OS) Open(filename string) (File, error) {
- fullpath := fs.Join(fs.base, filename)
- f, err := os.Open(fullpath)
- if err != nil {
- return nil, err
- }
-
- return newOSFile(filename, f), nil
+// Open opens a file in read-only mode.
+func (fs *OS) Open(filename string) (fs.File, error) {
+ return fs.OpenFile(filename, os.O_RDONLY, 0)
}
// Stat returns the FileInfo structure describing file.
-func (fs *OS) Stat(filename string) (FileInfo, error) {
+func (fs *OS) Stat(filename string) (fs.FileInfo, error) {
fullpath := fs.Join(fs.base, filename)
return os.Stat(fullpath)
}
@@ -105,7 +107,7 @@ func (fs *OS) Remove(filename string) error {
return os.Remove(fullpath)
}
-func (fs *OS) TempFile(dir, prefix string) (File, error) {
+func (fs *OS) TempFile(dir, prefix string) (fs.File, error) {
fullpath := fs.Join(fs.base, dir)
if err := fs.createDir(fullpath + string(os.PathSeparator)); err != nil {
return nil, err
@@ -136,7 +138,7 @@ func (fs *OS) Join(elem ...string) string {
// Dir returns a new Filesystem from the same type of fs using as baseDir the
// given path
-func (fs *OS) Dir(path string) Filesystem {
+func (fs *OS) Dir(path string) fs.Filesystem {
return NewOS(fs.Join(fs.base, path))
}
@@ -147,15 +149,13 @@ func (fs *OS) Base() string {
// osFile represents a file in the os filesystem
type osFile struct {
- filename string
- closed bool
- file *os.File
+ fs.BaseFile
+ file *os.File
}
-func newOSFile(filename string, file *os.File) File {
+func newOSFile(filename string, file *os.File) fs.File {
return &osFile{
- filename: filename,
- closed: false,
+ BaseFile: fs.BaseFile{BaseFilename: filename},
file: file,
}
}
@@ -173,7 +173,7 @@ func (f *osFile) Write(p []byte) (int, error) {
}
func (f *osFile) Close() error {
- f.closed = true
+ f.BaseFile.Closed = true
return f.file.Close()
}
@@ -181,13 +181,3 @@ func (f *osFile) Close() error {
func (f *osFile) ReadAt(p []byte, off int64) (n int, err error) {
return f.file.ReadAt(p, off)
}
-
-//Filename returns the filename from the File
-func (f *osFile) Filename() string {
- return f.filename
-}
-
-//IsClosed returns if te file is closed
-func (f *osFile) IsClosed() bool {
- return f.closed
-}
diff --git a/utils/fs/test/fs_suite.go b/utils/fs/test/fs_suite.go
index a809309..4c0fd09 100644
--- a/utils/fs/test/fs_suite.go
+++ b/utils/fs/test/fs_suite.go
@@ -3,6 +3,7 @@ package test
import (
"fmt"
"io/ioutil"
+ "os"
"strings"
"testing"
@@ -35,13 +36,13 @@ func (s *FilesystemSuite) TestCreateDepthAbsolute(c *C) {
}
func (s *FilesystemSuite) TestCreateOverwrite(c *C) {
- for i := 0; i < 2; i++ {
+ for i := 0; i < 3; i++ {
f, err := s.Fs.Create("foo")
c.Assert(err, IsNil)
- l, err := f.Write([]byte("foo"))
+ l, err := f.Write([]byte(fmt.Sprintf("foo%d", i)))
c.Assert(err, IsNil)
- c.Assert(l, Equals, 3)
+ c.Assert(l, Equals, 4)
err = f.Close()
c.Assert(err, IsNil)
@@ -52,7 +53,7 @@ func (s *FilesystemSuite) TestCreateOverwrite(c *C) {
wrote, err := ioutil.ReadAll(f)
c.Assert(err, IsNil)
- c.Assert(wrote, DeepEquals, []byte("foo"))
+ c.Assert(string(wrote), DeepEquals, "foo2")
}
func (s *FilesystemSuite) TestCreateClose(c *C) {
@@ -60,17 +61,127 @@ func (s *FilesystemSuite) TestCreateClose(c *C) {
c.Assert(err, IsNil)
c.Assert(f.IsClosed(), Equals, false)
- f.Write([]byte("foo"))
+ _, err = f.Write([]byte("foo"))
+ c.Assert(err, IsNil)
+ c.Assert(f.Close(), IsNil)
+
+ f, err = s.Fs.Open(f.Filename())
+ c.Assert(err, IsNil)
+
+ wrote, err := ioutil.ReadAll(f)
+ c.Assert(err, IsNil)
+ c.Assert(string(wrote), DeepEquals, "foo")
c.Assert(f.Close(), IsNil)
+}
+
+func (s *FilesystemSuite) TestOpenFileNoTruncate(c *C) {
+ defaultMode := os.FileMode(0666)
+
+ // Create when it does not exist
+ f, err := s.Fs.OpenFile("foo1", os.O_CREATE|os.O_WRONLY, defaultMode)
+ c.Assert(err, IsNil)
+ c.Assert(f.Filename(), Equals, "foo1")
+ s.testWriteClose(c, f, "foo1")
+
+ f, err = s.Fs.OpenFile("foo1", os.O_RDONLY, defaultMode)
+ c.Assert(err, IsNil)
+ s.testReadClose(c, f, "foo1")
+
+ // Create when it does exist
+ f, err = s.Fs.OpenFile("foo1", os.O_CREATE|os.O_WRONLY, defaultMode)
+ c.Assert(err, IsNil)
+ c.Assert(f.Filename(), Equals, "foo1")
+ s.testWriteClose(c, f, "bar")
+
+ f, err = s.Fs.OpenFile("foo1", os.O_RDONLY, defaultMode)
+ c.Assert(err, IsNil)
+ s.testReadClose(c, f, "bar1")
+}
+
+func (s *FilesystemSuite) TestOpenFileAppend(c *C) {
+ defaultMode := os.FileMode(0666)
+
+ f, err := s.Fs.OpenFile("foo1", os.O_CREATE|os.O_WRONLY|os.O_APPEND, defaultMode)
+ c.Assert(err, IsNil)
+ c.Assert(f.Filename(), Equals, "foo1")
+ s.testWriteClose(c, f, "foo1")
+
+ f, err = s.Fs.OpenFile("foo1", os.O_WRONLY|os.O_APPEND, defaultMode)
+ c.Assert(err, IsNil)
+ c.Assert(f.Filename(), Equals, "foo1")
+ s.testWriteClose(c, f, "bar1")
+
+ f, err = s.Fs.OpenFile("foo1", os.O_RDONLY, defaultMode)
+ c.Assert(err, IsNil)
+ s.testReadClose(c, f, "foo1bar1")
+}
+
+func (s *FilesystemSuite) TestOpenFileReadWrite(c *C) {
+ defaultMode := os.FileMode(0666)
- file, err := s.Fs.Open(f.Filename())
+ f, err := s.Fs.OpenFile("foo1", os.O_CREATE|os.O_TRUNC|os.O_RDWR, defaultMode)
c.Assert(err, IsNil)
+ c.Assert(f.Filename(), Equals, "foo1")
- wrote, err := ioutil.ReadAll(file)
+ written, err := f.Write([]byte("foobar"))
+ c.Assert(written, Equals, 6)
c.Assert(err, IsNil)
- c.Assert(wrote, DeepEquals, []byte("foo"))
- c.Assert(f.IsClosed(), Equals, true)
+ _, err = f.Seek(0, os.SEEK_SET)
+ c.Assert(err, IsNil)
+
+ written, err = f.Write([]byte("qux"))
+ c.Assert(written, Equals, 3)
+ c.Assert(err, IsNil)
+
+ _, err = f.Seek(0, os.SEEK_SET)
+ c.Assert(err, IsNil)
+
+ s.testReadClose(c, f, "quxbar")
+}
+
+func (s *FilesystemSuite) TestOpenFile(c *C) {
+ defaultMode := os.FileMode(0666)
+
+ f, err := s.Fs.OpenFile("foo1", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, defaultMode)
+ c.Assert(err, IsNil)
+ s.testWriteClose(c, f, "foo1")
+
+ // Truncate if it exists
+ f, err = s.Fs.OpenFile("foo1", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, defaultMode)
+ c.Assert(err, IsNil)
+ c.Assert(f.Filename(), Equals, "foo1")
+ s.testWriteClose(c, f, "foo1overwritten")
+
+ // Read-only if it exists
+ f, err = s.Fs.OpenFile("foo1", os.O_RDONLY, defaultMode)
+ c.Assert(err, IsNil)
+ c.Assert(f.Filename(), Equals, "foo1")
+ s.testReadClose(c, f, "foo1overwritten")
+
+ // Create when it does exist
+ f, err = s.Fs.OpenFile("foo1", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, defaultMode)
+ c.Assert(err, IsNil)
+ c.Assert(f.Filename(), Equals, "foo1")
+ s.testWriteClose(c, f, "bar")
+
+ f, err = s.Fs.OpenFile("foo1", os.O_RDONLY, defaultMode)
+ c.Assert(err, IsNil)
+ s.testReadClose(c, f, "bar")
+}
+
+func (s *FilesystemSuite) testWriteClose(c *C, f File, content string) {
+ written, err := f.Write([]byte(content))
+ c.Assert(written, Equals, len(content))
+ c.Assert(err, IsNil)
+ c.Assert(f.Close(), IsNil)
+}
+
+func (s *FilesystemSuite) testReadClose(c *C, f File, content string) {
+ read, err := ioutil.ReadAll(f)
+ c.Assert(err, IsNil)
+ c.Assert(string(read), Equals, content)
+ c.Assert(f.Close(), IsNil)
}
func (s *FilesystemSuite) TestReadDirAndDir(c *C) {
@@ -148,14 +259,12 @@ func (s *FilesystemSuite) TestTempFile(c *C) {
func (s *FilesystemSuite) TestTempFileWithPath(c *C) {
f, err := s.Fs.TempFile("foo", "bar")
c.Assert(err, IsNil)
- fmt.Printf("f: %s\n", f.Filename())
c.Assert(strings.HasPrefix(f.Filename(), s.Fs.Join("foo", "bar")), Equals, true)
}
func (s *FilesystemSuite) TestTempFileFullWithPath(c *C) {
f, err := s.Fs.TempFile("/foo", "bar")
c.Assert(err, IsNil)
- fmt.Printf("f: %s\n", f.Filename())
c.Assert(strings.HasPrefix(f.Filename(), s.Fs.Join("foo", "bar")), Equals, true)
}
generated by cgit (git 2.34.1) at 2024-09-20 18:37:08 +0000