Vendor Rack 1.0.1

Incorporate patch from Revision 496.

vendor/plugins/rack/test/spec_rack_rewindable_input.rb

@@ -0,0 +1,118 @@
+require 'test/spec'
+require 'stringio'
+require 'rack/rewindable_input'
+
+shared_context "a rewindable IO object" do
+  setup do
+    @rio = Rack::RewindableInput.new(@io)
+  end
+  
+  teardown do
+    @rio.close
+  end
+  
+  specify "should be able to handle to read()" do
+    @rio.read.should.equal "hello world"
+  end
+  
+  specify "should be able to handle to read(nil)" do
+    @rio.read(nil).should.equal "hello world"
+  end
+  
+  specify "should be able to handle to read(length)" do
+    @rio.read(1).should.equal "h"
+  end
+  
+  specify "should be able to handle to read(length, buffer)" do
+    buffer = ""
+    result = @rio.read(1, buffer)
+    result.should.equal "h"
+    result.object_id.should.equal buffer.object_id
+  end
+  
+  specify "should be able to handle to read(nil, buffer)" do
+    buffer = ""
+    result = @rio.read(nil, buffer)
+    result.should.equal "hello world"
+    result.object_id.should.equal buffer.object_id
+  end
+  
+  specify "should rewind to the beginning when #rewind is called" do
+    @rio.read(1)
+    @rio.rewind
+    @rio.read.should.equal "hello world"
+  end
+  
+  specify "should be able to handle gets" do
+    @rio.gets.should == "hello world"
+  end
+  
+  specify "should be able to handle each" do
+    array = []
+    @rio.each do |data|
+      array << data
+    end
+    array.should.equal(["hello world"])
+  end
+  
+  specify "should not buffer into a Tempfile if no data has been read yet" do
+    @rio.instance_variable_get(:@rewindable_io).should.be.nil
+  end
+  
+  specify "should buffer into a Tempfile when data has been consumed for the first time" do
+    @rio.read(1)
+    tempfile = @rio.instance_variable_get(:@rewindable_io)
+    tempfile.should.not.be.nil
+    @rio.read(1)
+    tempfile2 = @rio.instance_variable_get(:@rewindable_io)
+    tempfile2.should.equal tempfile
+  end
+  
+  specify "should close the underlying tempfile upon calling #close" do
+    @rio.read(1)
+    tempfile = @rio.instance_variable_get(:@rewindable_io)
+    @rio.close
+    tempfile.should.be.closed
+  end
+  
+  specify "should be possibel to call #close when no data has been buffered yet" do
+    @rio.close
+  end
+  
+  specify "should be possible to call #close multiple times" do
+    @rio.close
+    @rio.close
+  end
+end
+
+context "Rack::RewindableInput" do
+  context "given an IO object that is already rewindable" do
+    setup do
+      @io = StringIO.new("hello world")
+    end
+    
+    it_should_behave_like "a rewindable IO object"
+  end
+  
+  context "given an IO object that is not rewindable" do
+    setup do
+      @io = StringIO.new("hello world")
+      @io.instance_eval do
+        undef :rewind
+      end
+    end
+    
+    it_should_behave_like "a rewindable IO object"
+  end
+  
+  context "given an IO object whose rewind method raises Errno::ESPIPE" do
+    setup do
+      @io = StringIO.new("hello world")
+      def @io.rewind
+        raise Errno::ESPIPE, "You can't rewind this!"
+      end
+    end
+    
+    it_should_behave_like "a rewindable IO object"
+  end
+end