Ejemplo n.º 1
0
func (s *fuseTestSuite) TestSimpleFile() {
	datasetName := "TestSimpleFile"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	file, code := testfs.Create("coconut", uint32(os.O_CREATE|os.O_RDWR), 0644, nil)
	assert.Equal(s.T(), fuse.OK, code)
	n, code := file.Write([]byte("Lime!"), 0)
	assert.Equal(s.T(), uint32(5), n)
	assertAttr(s, testfs, "coconut", 0644|fuse.S_IFREG, 5)

	data := make([]byte, 5)
	rr, code := file.Read(data, 0)
	assert.Equal(s.T(), fuse.OK, code)
	assert.Equal(s.T(), 5, rr.Size())
	assert.Equal(s.T(), "Lime!", string(data))

	code = testfs.Truncate("coconut", 4, nil)
	assert.Equal(s.T(), fuse.OK, code)
	assertAttr(s, testfs, "coconut", 0644|fuse.S_IFREG, 4)
	rr, code = file.Read(data, 0)
	assert.Equal(s.T(), fuse.OK, code)
	assert.Equal(s.T(), 4, rr.Size())
	assert.Equal(s.T(), "Lime!", string(data))
}
Ejemplo n.º 2
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func getAttr(fs pathfs.FileSystem, name string) *attrResponse {
	a, code := fs.GetAttr(name, nil)
	return &attrResponse{
		Attr:   a,
		Status: code,
	}
}
Ejemplo n.º 3
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func readLink(fs pathfs.FileSystem, name string) *linkResponse {
	a, code := fs.Readlink(name, nil)
	return &linkResponse{
		linkContent: a,
		Status:      code,
	}
}
Ejemplo n.º 4
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func getXAttr(fs pathfs.FileSystem, nameAttr string) *xattrResponse {
	ns := strings.SplitN(nameAttr, _XATTRSEP, 2)
	a, code := fs.GetXAttr(ns[0], ns[1], nil)
	return &xattrResponse{
		data:   a,
		Status: code,
	}
}
Ejemplo n.º 5
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func assertAttr(s *fuseTestSuite, fs pathfs.FileSystem, path string, mode uint32, size uint64) {
	attr, code := fs.GetAttr(path, nil)
	assert.Equal(s.T(), fuse.OK, code)
	if code == fuse.OK {
		assert.Equal(s.T(), mode, attr.Mode)
		assert.Equal(s.T(), size, attr.Size)
	}
}
Ejemplo n.º 6
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func readDir(fs pathfs.FileSystem, name string) *dirResponse {
	origStream, code := fs.OpenDir(name, nil)

	r := &dirResponse{nil, code}
	if !code.Ok() {
		return r
	}
	r.entries = origStream
	return r
}
Ejemplo n.º 7
0
func (s *fuseTestSuite) TestFile() {
	datasetName := "TestFile"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	_, code := testfs.Create("pokemon.go", uint32(os.O_CREATE)|uint32(os.O_WRONLY), 0644, nil)
	assert.Equal(s.T(), fuse.OK, code)
	assertAttr(s, testfs, "pokemon.go", 0644|fuse.S_IFREG, 0)
}
Ejemplo n.º 8
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func (s *fuseTestSuite) TestDir() {
	datasetName := "TestDir"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	code := testfs.Mkdir("noms", 0777, nil)
	assert.Equal(s.T(), fuse.OK, code)
	assertAttr(s, testfs, "noms", 0777|fuse.S_IFDIR, 0)
}
Ejemplo n.º 9
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func (s *fuseTestSuite) TestSymlink() {
	datasetName := "TestSymlink"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	code := testfs.Symlink("there", "here", nil)
	assert.Equal(s.T(), fuse.OK, code)
	assertAttr(s, testfs, "here", 0755|fuse.S_IFLNK, 0)
	value, code := testfs.Readlink("here", nil)
	assert.Equal(s.T(), fuse.OK, code)
	assert.Equal(s.T(), "there", value)
}
Ejemplo n.º 10
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func (s *fuseTestSuite) TestUnlink() {
	datasetName := "TestUnlink"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	_, code := testfs.Create("dilma", uint32(os.O_CREATE)|uint32(os.O_WRONLY), 0755, nil)
	assert.Equal(s.T(), fuse.OK, code)
	assertAttr(s, testfs, "", 0777|fuse.S_IFDIR, 1) // 1 means it's there
	code = testfs.Unlink("dilma", nil)
	assert.Equal(s.T(), fuse.OK, code)
	assertAttr(s, testfs, "", 0777|fuse.S_IFDIR, 0) // 0 means no entries
}
Ejemplo n.º 11
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func (s *fuseTestSuite) TestRmdir() {
	datasetName := "TestRmdir"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	code := testfs.Mkdir("wikileaks", 0755, nil)
	assert.Equal(s.T(), fuse.OK, code)
	assertAttr(s, testfs, "", 0777|fuse.S_IFDIR, 1) // 1 means it's there
	code = testfs.Rmdir("wikileaks", nil)
	assert.Equal(s.T(), fuse.OK, code)
	assertAttr(s, testfs, "", 0777|fuse.S_IFDIR, 0) // 0 means no entries
}
Ejemplo n.º 12
0
func findDir(fs pathfs.FileSystem, path string, delimiter string) []string {
	ents, _ := fs.OpenDir(path, nil)
	ret := make([]string, 0)
	for _, ent := range ents {
		child := path + delimiter + ent.Name
		attr, _ := fs.GetAttr(child, nil)
		if attr.Mode&fuse.S_IFDIR != 0 {
			ret = append(ret, child+"/")
			ret = append(ret, findDir(fs, child, "/")...)
		} else {
			ret = append(ret, child)
		}
	}

	return ret
}
Ejemplo n.º 13
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// NewMemUnionFs instantiates a new union file system.  Calling this
// will access the root of the supplied R/O filesystem.
func NewMemUnionFs(backingStore string, roFs pathfs.FileSystem) (*MemUnionFs, error) {
	me := &MemUnionFs{
		deleted:      make(map[string]bool),
		backingStore: backingStore,
		readonly:     roFs,
	}

	me.root = me.newNode(true)
	fi, code := roFs.GetAttr("", nil)
	if !code.Ok() {
		return nil, fmt.Errorf("GetAttr(\"\") for R/O returned %v", code)
	}

	me.root.info = *fi
	me.cond = sync.NewCond(&me.mutex)

	return me, nil
}
Ejemplo n.º 14
0
// newDirnameMap reads the contents of the given directory. On error,
// returns a nil map. This forces reloads in the dirCache until we
// succeed.
func newDirnameMap(fs pathfs.FileSystem, dir string) map[string]bool {
	stream, code := fs.OpenDir(dir, nil)
	if code == fuse.ENOENT {
		// The directory not existing is not an error.
		return map[string]bool{}
	}

	if !code.Ok() {
		return nil
	}

	result := make(map[string]bool)
	for _, e := range stream {
		if e.Mode&fuse.S_IFREG != 0 {
			result[e.Name] = true
		}
	}
	return result
}
Ejemplo n.º 15
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func (s *fuseTestSuite) TestDirError() {
	datasetName := "TestDirError"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	code := testfs.Mkdir("foo/bar", 0755, nil)
	assert.Equal(s.T(), fuse.ENOENT, code)
	_, code = testfs.Create("foo", uint32(os.O_CREATE)|uint32(os.O_WRONLY), 0644, nil)
	assert.Equal(s.T(), fuse.OK, code)
	code = testfs.Mkdir("foo/bar", 0755, nil)
	assert.Equal(s.T(), fuse.ENOTDIR, code)

	_, code = testfs.OpenDir("foo", nil)
	assert.Equal(s.T(), fuse.ENOTDIR, code)
}
Ejemplo n.º 16
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func (s *fuseTestSuite) TestHierarchy() {
	datasetName := "TestHierarchy"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	hierarchy := []string{
		"bin/",
		"bin/sh",
		"usr/",
		"usr/bin/",
		"usr/bin/cat",
		"usr/bin/bash",
		"usr/lib/",
		"usr/lib/libc.so.1",
		"usr/dict/",
		"usr/dict/words",
		"usr/dict/words2",
	}

	for _, path := range hierarchy {
		if ll := len(path); path[ll-1] == '/' {
			code := testfs.Mkdir(path[:ll-1], 0555, nil)
			assert.Equal(s.T(), fuse.OK, code)
		} else {
			_, code := testfs.Create(path, uint32(os.O_CREATE)|uint32(os.O_WRONLY), 0444, nil)
			assert.Equal(s.T(), fuse.OK, code)
		}
	}

	h := find(testfs)

	sort.Strings(hierarchy)
	sort.Strings(h)

	assert.Equal(s.T(), hierarchy, h)
}
Ejemplo n.º 17
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func (s *fuseTestSuite) TestMultipleOpens() {
	datasetName := "TestMultipleOpens"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	file1, code := testfs.Create("contend", uint32(os.O_CREATE|os.O_RDWR), 0644, nil)
	assert.Equal(s.T(), fuse.OK, code)

	file2, code := testfs.Open("contend", uint32(os.O_RDWR), nil)
	assert.Equal(s.T(), fuse.OK, code)

	file1.Write([]byte("abc contact"), 0)
	file2.Write([]byte("321"), 0)

	data := make([]byte, 11)
	rr, code := file1.Read(data, 0)
	assert.Equal(s.T(), fuse.OK, code)
	assert.Equal(s.T(), 11, rr.Size())
	assert.Equal(s.T(), "321 contact", string(data))
}
Ejemplo n.º 18
0
func (s *fuseTestSuite) TestBigFile() {
	datasetName := "TestBigFile"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	size := uint64(10 * 1024) // 10KB
	data := make([]byte, size)
	buf := bytes.NewBuffer(data)

	for uint64(buf.Len()) < size {
		buf.WriteString("All work and no play makes Jack a dull boy.\n")
	}

	file, code := testfs.Create("shining.txt", uint32(os.O_CREATE|os.O_RDWR), 0644, nil)
	assert.Equal(s.T(), fuse.OK, code)

	n, code := file.Write(buf.Bytes(), 0)
	assert.Equal(s.T(), uint32(size), n)
	assertAttr(s, testfs, "shining.txt", 0644|fuse.S_IFREG, size)
}
Ejemplo n.º 19
0
func (s *fuseTestSuite) TestOverwrite() {
	datasetName := "TestOverwrite"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	file, code := testfs.Create("proclamation", uint32(os.O_CREATE|os.O_RDWR), 0644, nil)
	assert.Equal(s.T(), fuse.OK, code)

	n, code := file.Write([]byte("Four score and seven years ago..."), 0)
	assert.Equal(s.T(), uint32(33), n)
	assertAttr(s, testfs, "proclamation", 0644|fuse.S_IFREG, 33)
	n, code = file.Write([]byte("beers"), 21)
	assert.Equal(s.T(), uint32(5), n)
	assertAttr(s, testfs, "proclamation", 0644|fuse.S_IFREG, 33)

	data := make([]byte, 33)
	rr, code := file.Read(data, 0)
	assert.Equal(s.T(), fuse.OK, code)
	assert.Equal(s.T(), 33, rr.Size())
	assert.Equal(s.T(), "Four score and seven beers ago...", string(data))
}
Ejemplo n.º 20
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func (s *fuseTestSuite) TestRenameWhileOpen() {
	datasetName := "TestRenameWhileOpen"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	code := testfs.Mkdir("foo", 0755, nil)
	assert.Equal(s.T(), fuse.OK, code)
	code = testfs.Mkdir("foo/bar", 0755, nil)
	assert.Equal(s.T(), fuse.OK, code)
	file, code := testfs.Create("foo/bar/file.txt", uint32(os.O_CREATE)|uint32(os.O_WRONLY), 0644, nil)
	assert.Equal(s.T(), fuse.OK, code)

	// Validate renaming a file between opening it and writing to it.
	code = testfs.Rename("foo/bar/file.txt", "file.txt", nil)
	assert.Equal(s.T(), fuse.OK, code)

	n, code := file.Write([]byte("howdy!"), 0)
	assert.Equal(s.T(), uint32(6), n)
	assert.Equal(s.T(), fuse.OK, code)
	assertAttr(s, testfs, "file.txt", 0644|fuse.S_IFREG, 6)
}
Ejemplo n.º 21
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func (s *fuseTestSuite) TestFileInDir() {
	datasetName := "TestFile"
	str := spec.CreateValueSpecString("ldb", s.LdbDir, datasetName)

	var testfs pathfs.FileSystem

	start(str, func(fs pathfs.FileSystem) { testfs = fs })

	code := testfs.Mkdir("usr", 0555, nil)
	assert.Equal(s.T(), fuse.OK, code)
	code = testfs.Mkdir("usr/sbin", 0555, nil)
	assert.Equal(s.T(), fuse.OK, code)
	_, code = testfs.Create("usr/sbin/dtrace", uint32(os.O_CREATE)|uint32(os.O_WRONLY), 0555, nil)
	assert.Equal(s.T(), fuse.OK, code)
	assertAttr(s, testfs, "usr", 0555|fuse.S_IFDIR, 1)
	assertAttr(s, testfs, "usr/sbin", 0555|fuse.S_IFDIR, 1)
	assertAttr(s, testfs, "usr/sbin/dtrace", 0555|fuse.S_IFREG, 0)
}