fixing FakeFS::FakeSymLink#to_s (Closes #69)

lib/fakefs/fake/symlink.rb

@@ -1,7 +1,6 @@
 module FakeFS
   class FakeSymlink
     attr_accessor :name, :target, :parent
-    alias_method  :to_s, :name
 
     def initialize(target)
       @target = target
@@ -19,6 +18,10 @@ module FakeFS
       parent.delete(self)
     end
 
+    def to_s
+      File.join(parent.to_s, name)
+    end
+
     def respond_to?(method)
       entry.respond_to?(method)
     end

test/fakefs_test.rb

@@ -147,6 +147,13 @@ class FakeFSTest < Test::Unit::TestCase
     assert_equal target, File.readlink(link)
   end
 
+  def test_symlinks_to_symlinks
+    FileUtils.mkdir_p(target = "/path/to/foo/target")
+    FileUtils.ln_s(target, link1 = "/path/to/bar/symlink")
+    FileUtils.ln_s(link1, link2 = "/path/to/bar2/symlink")
+    assert_equal link1, File.readlink(link2)
+  end
+
   def test_knows_symlinks_are_symlinks
     FileUtils.mkdir_p(target = "/path/to/target")
     FileUtils.ln_s(target, link = "/path/to/symlink")