From cff91ce31c87c001c8cbbd171fc84c28585ec4ec Mon Sep 17 00:00:00 2001
From: Chris Beer <chris_beer@wgbh.org>
Date: Wed, 21 Mar 2012 08:44:46 -0400
Subject: [PATCH] first pass to fix issue #13 -- pass through IO-type objects
 that can't be IO#read properly (because they are too large?)

---
 lib/rubydora/datastream.rb  |  5 ++++-
 spec/lib/datastream_spec.rb | 10 ++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/rubydora/datastream.rb b/lib/rubydora/datastream.rb
index 30ebf26..aa8030f 100644
--- a/lib/rubydora/datastream.rb
+++ b/lib/rubydora/datastream.rb
@@ -118,7 +118,10 @@ def content
       rescue RestClient::ResourceNotFound
       end
 
-      content = @content.read and @content.rewind if @content.kind_of? IO
+      if @content.kind_of? IO
+        content = @content.read and @content.rewind rescue nil
+      end
+
       content ||= @content
     end
     alias_method :read, :content
diff --git a/spec/lib/datastream_spec.rb b/spec/lib/datastream_spec.rb
index b5f977f..4265658 100644
--- a/spec/lib/datastream_spec.rb
+++ b/spec/lib/datastream_spec.rb
@@ -152,6 +152,16 @@
 
     end
 
+    it "should pass-through IO-type content if reading the content fails" do
+      @mock_io = File.open('rubydora.gemspec')
+      @mock_io.should_receive(:read).and_raise('Rubydora #13-style read-error.')
+
+      @datastream.content = @mock_io
+
+      @datastream.content.should == @mock_io
+
+    end
+
 
   end