From 35c88244def6e3c1903b440db88cedc94d1472c4 Mon Sep 17 00:00:00 2001
From: Jeff Hodges <jeff@somethingsimilar.com>
Date: Sat, 30 May 2009 11:31:19 -0700
Subject: [PATCH] default File.open to read mode

---
 lib/fakefs.rb       | 2 +-
 test/fakefs_test.rb | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/fakefs.rb b/lib/fakefs.rb
index 1792768..07a937d 100644
--- a/lib/fakefs.rb
+++ b/lib/fakefs.rb
@@ -89,7 +89,7 @@ module FakeFS
       FileSystem.find(symlink.target).to_s
     end
 
-    def self.open(path, mode)
+    def self.open(path, mode='r')
       if block_given?
         yield new(path, mode)
       else
diff --git a/test/fakefs_test.rb b/test/fakefs_test.rb
index af134bf..a8c0d36 100644
--- a/test/fakefs_test.rb
+++ b/test/fakefs_test.rb
@@ -188,4 +188,9 @@ class FakeFSTest < Test::Unit::TestCase
 
     assert_equal(['foo', 'foobar'], FileSystem.fs['path'].keys.sort)
   end
+
+  def test_file_open_defaults_to_read
+    File.open('foo','w'){|f| f.write 'bar' }
+    assert_equal 'bar', File.open('foo'){|f| f.read }
+  end
 end