mv internal lib

lib/osutil/osutil_test.go

@@ -0,0 +1,166 @@
+// Copyright (C) 2014 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package osutil_test
+
+import (
+	"os"
+	"runtime"
+	"testing"
+
+	"github.com/syncthing/syncthing/lib/osutil"
+)
+
+func TestInWriteableDir(t *testing.T) {
+	err := os.RemoveAll("testdata")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll("testdata")
+
+	os.Mkdir("testdata", 0700)
+	os.Mkdir("testdata/rw", 0700)
+	os.Mkdir("testdata/ro", 0500)
+
+	create := func(name string) error {
+		fd, err := os.Create(name)
+		if err != nil {
+			return err
+		}
+		fd.Close()
+		return nil
+	}
+
+	// These should succeed
+
+	err = osutil.InWritableDir(create, "testdata/file")
+	if err != nil {
+		t.Error("testdata/file:", err)
+	}
+	err = osutil.InWritableDir(create, "testdata/rw/foo")
+	if err != nil {
+		t.Error("testdata/rw/foo:", err)
+	}
+	err = osutil.InWritableDir(os.Remove, "testdata/rw/foo")
+	if err != nil {
+		t.Error("testdata/rw/foo:", err)
+	}
+
+	err = osutil.InWritableDir(create, "testdata/ro/foo")
+	if err != nil {
+		t.Error("testdata/ro/foo:", err)
+	}
+	err = osutil.InWritableDir(os.Remove, "testdata/ro/foo")
+	if err != nil {
+		t.Error("testdata/ro/foo:", err)
+	}
+
+	// These should not
+
+	err = osutil.InWritableDir(create, "testdata/nonexistent/foo")
+	if err == nil {
+		t.Error("testdata/nonexistent/foo returned nil error")
+	}
+	err = osutil.InWritableDir(create, "testdata/file/foo")
+	if err == nil {
+		t.Error("testdata/file/foo returned nil error")
+	}
+}
+
+func TestInWritableDirWindowsRemove(t *testing.T) {
+	if runtime.GOOS != "windows" {
+		t.Skipf("Tests not required")
+		return
+	}
+
+	err := os.RemoveAll("testdata")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll("testdata")
+
+	create := func(name string) error {
+		fd, err := os.Create(name)
+		if err != nil {
+			return err
+		}
+		fd.Close()
+		return nil
+	}
+
+	os.Mkdir("testdata", 0700)
+
+	os.Mkdir("testdata/windows", 0500)
+	os.Mkdir("testdata/windows/ro", 0500)
+	create("testdata/windows/ro/readonly")
+	os.Chmod("testdata/windows/ro/readonly", 0500)
+
+	for _, path := range []string{"testdata/windows/ro/readonly", "testdata/windows/ro", "testdata/windows"} {
+		err := os.Remove(path)
+		if err == nil {
+			t.Errorf("Expected error %s", path)
+		}
+	}
+
+	for _, path := range []string{"testdata/windows/ro/readonly", "testdata/windows/ro", "testdata/windows"} {
+		err := osutil.InWritableDir(osutil.Remove, path)
+		if err != nil {
+			t.Errorf("Unexpected error %s: %s", path, err)
+		}
+	}
+}
+
+func TestInWritableDirWindowsRename(t *testing.T) {
+	if runtime.GOOS != "windows" {
+		t.Skipf("Tests not required")
+		return
+	}
+
+	err := os.RemoveAll("testdata")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll("testdata")
+
+	create := func(name string) error {
+		fd, err := os.Create(name)
+		if err != nil {
+			return err
+		}
+		fd.Close()
+		return nil
+	}
+
+	os.Mkdir("testdata", 0700)
+
+	os.Mkdir("testdata/windows", 0500)
+	os.Mkdir("testdata/windows/ro", 0500)
+	create("testdata/windows/ro/readonly")
+	os.Chmod("testdata/windows/ro/readonly", 0500)
+
+	for _, path := range []string{"testdata/windows/ro/readonly", "testdata/windows/ro", "testdata/windows"} {
+		err := os.Rename(path, path+"new")
+		if err == nil {
+			t.Skipf("seem like this test doesn't work here")
+			return
+		}
+	}
+
+	rename := func(path string) error {
+		return osutil.Rename(path, path+"new")
+	}
+
+	for _, path := range []string{"testdata/windows/ro/readonly", "testdata/windows/ro", "testdata/windows"} {
+		err := osutil.InWritableDir(rename, path)
+		if err != nil {
+			t.Errorf("Unexpected error %s: %s", path, err)
+		}
+		_, err = os.Stat(path + "new")
+		if err != nil {
+			t.Errorf("Unexpected error %s: %s", path, err)
+		}
+	}
+}