func (s *ToolsSuite) TestEnsureJujucSymlinks(c *gc.C) {
jujudPath := filepath.Join(s.toolsDir, names.Jujud)
err := ioutil.WriteFile(jujudPath, []byte("assume sane"), 0755)
c.Assert(err, gc.IsNil)
assertLink := func(path string) time.Time {
target, err := symlink.Read(path)
c.Assert(err, gc.IsNil)
c.Assert(target, gc.Equals, jujudPath)
fi, err := os.Lstat(path)
c.Assert(err, gc.IsNil)
return fi.ModTime()
}
// Check that EnsureJujucSymlinks writes appropriate symlinks.
err = uniter.EnsureJujucSymlinks(s.toolsDir)
c.Assert(err, gc.IsNil)
mtimes := map[string]time.Time{}
for _, name := range jujuc.CommandNames() {
tool := filepath.Join(s.toolsDir, name)
mtimes[tool] = assertLink(tool)
}
// Check that EnsureJujucSymlinks doesn't overwrite things that don't need to be.
err = uniter.EnsureJujucSymlinks(s.toolsDir)
c.Assert(err, gc.IsNil)
for tool, mtime := range mtimes {
c.Assert(assertLink(tool), gc.Equals, mtime)
}
}
func (s *ToolsSuite) TestEnsureJujucSymlinksBadDir(c *gc.C) {
err := uniter.EnsureJujucSymlinks(filepath.Join(c.MkDir(), "noexist"))
c.Assert(err, gc.ErrorMatches, "cannot initialize hook commands in .*: no such file or directory")
}