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// Copyright 2014 Canonical Ltd.
// Copyright 2014 Cloudbase Solutions SRL
// Licensed under the LGPLv3, see LICENCE file for details.
package symlink_test
import (
"io/ioutil"
"os"
"path/filepath"
gc "gopkg.in/check.v1"
"github.com/juju/utils/symlink"
)
func (*SymlinkSuite) TestLongPath(c *gc.C) {
programFiles := `C:\PROGRA~1`
longProg := `C:\Program Files`
target, err := symlink.GetLongPathAsString(programFiles)
c.Assert(err, gc.IsNil)
c.Assert(target, gc.Equals, longProg)
}
func (*SymlinkSuite) TestCreateSymLink(c *gc.C) {
target, err := symlink.GetLongPathAsString(c.MkDir())
c.Assert(err, gc.IsNil)
link := filepath.Join(target, "link")
_, err = os.Stat(target)
c.Assert(err, gc.IsNil)
err = symlink.New(target, link)
c.Assert(err, gc.IsNil)
link, err = symlink.Read(link)
c.Assert(err, gc.IsNil)
c.Assert(link, gc.Equals, filepath.FromSlash(target))
}
func (*SymlinkSuite) TestReadData(c *gc.C) {
dir := c.MkDir()
sub := filepath.Join(dir, "sub")
err := os.Mkdir(sub, 0700)
c.Assert(err, gc.IsNil)
oldname := filepath.Join(sub, "foo")
data := []byte("data")
err = ioutil.WriteFile(oldname, data, 0644)
c.Assert(err, gc.IsNil)
newname := filepath.Join(dir, "bar")
err = symlink.New(oldname, newname)
c.Assert(err, gc.IsNil)
b, err := ioutil.ReadFile(newname)
c.Assert(err, gc.IsNil)
c.Assert(string(b), gc.Equals, string(data))
}
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