Fix path to String coercion

lib/ffi-xattr.rb

@@ -19,8 +19,8 @@ class Xattr
  # Create a new Xattr instance with path.
  # Use <tt>:no_follow => true</tt> in options to work on symlink itself instead of following it.
  def initialize(path, options = {})
- raise Errno::ENOENT, path unless File.exist?(path)
  @path = path.to_str
+ raise Errno::ENOENT, @path unless File.exist?(@path)
  @no_follow = !!options[:no_follow]
  end
 

spec/xattr_spec.rb

@@ -82,20 +82,13 @@
  lambda{ Xattr.new(1) }.should raise_error(TypeError)
  end
 
- class SuperPath
- def initialize(path)
- @path = path
- end
-
- def to_str
- @path.dup
- end
- end
+ it "should work with object that can be converted to string" do
+ super_path = double("super_path")
+ super_path.should_receive(:to_str).and_return(path)
 
- it "should work with object that can be directly converted to string" do
- super_path = SuperPath.new(path)
  Xattr.new(super_path).set('user.foo', 'bar')
- Xattr.new(super_path).get('user.foo').should == 'bar'
+
+ Xattr.new(path).get('user.foo').should == 'bar'
  end
 
  describe "respecting :no_follow option" do