Adding support for chown, chown_R and tests for Dir.glob.

lib/fakefs.rb

@@ -33,6 +33,20 @@ module FakeFS
         FileSystem.delete(src)
       end
     end
+
+    def chown(user, group, list, options={})
+      list = Array(list)
+      list.each do |f|
+        unless File.exists?(f)
+          raise Errno::ENOENT, f
+        end
+      end
+      list
+    end
+
+    def chown_R(user, group, list, options={})
+      chown(user, group, list, options={})
+    end
   end
 
   class File
@@ -118,7 +132,12 @@ module FakeFS
 
   class Dir
     def self.glob(pattern)
-      FileSystem.find(pattern).map { |entry| entry.to_s}
+      if pattern[-1,1] == '*'
+        blk = proc { |entry| entry.to_s }
+      else
+        blk = proc { |entry| entry[1].parent.to_s }
+      end
+      (FileSystem.find(pattern) || []).map(&blk).uniq.sort
     end
 
     def self.[](pattern)

test/fakefs_test.rb

@@ -106,4 +106,43 @@ class FakeFSTest < Test::Unit::TestCase
 
     assert File.file?(path)
   end
+
+  def test_can_chown_files
+    good = 'file.txt'
+    bad = 'nofile.txt'
+    File.open(good,'w'){|f| f.write "foo" }
+
+    assert_equal [good], FileUtils.chown('noone', 'nogroup', good, :verbose => true)
+    assert_raises(Errno::ENOENT) do
+      FileUtils.chown('noone', 'nogroup', bad, :verbose => true)
+    end
+
+    assert_equal [good], FileUtils.chown('noone', 'nogroup', good)
+    assert_raises(Errno::ENOENT) do
+      FileUtils.chown('noone', 'nogroup', bad)
+    end
+
+    assert_equal [good], FileUtils.chown('noone', 'nogroup', [good])
+    assert_raises(Errno::ENOENT) do
+      FileUtils.chown('noone', 'nogroup', [good, bad])
+    end
+  end
+
+  def test_can_chown_R_files
+    FileUtils.mkdir_p '/path/'
+    File.open('/path/foo', 'w'){|f| f.write 'foo' }
+    File.open('/path/foobar', 'w'){|f| f.write 'foo' }
+    resp = FileUtils.chown_R('no', 'no', '/path')
+    assert_equal ['/path'], resp
+  end
+
+  def test_dir_globs_paths
+    FileUtils.mkdir_p '/path'
+    File.open('/path/foo', 'w'){|f| f.write 'foo' }
+    File.open('/path/foobar', 'w'){|f| f.write 'foo' }
+    assert_equal  ['/path'], Dir['/path']
+    assert_equal ['/path/foo', '/path/foobar'], Dir['/path/*']
+    # Unsupported so far. More hackery than I want to work on right now
+    # assert_equal ['/path'], Dir['/path*']
+  end
 end