accept Content-Type change via rack response

3 files changed, 10 insertions, 1 deletions

diff --git a/lib/zorglub/node.rb b/lib/zorglub/node.rb
index 8b1bee0..0e4ef20 100644
--- a/lib/zorglub/node.rb
+++ b/lib/zorglub/node.rb
@@ -276,7 +276,7 @@ module Zorglub
             catch(:stop_realize) {
                 feed!
                 response.write @content
-                response.header['Content-Type'] = ( @mime || 'text/html' )
+                response.header['Content-Type'] ||= ( @mime || 'text/html' )
                 response.finish
                 response
             }
diff --git a/spec/node_spec.rb b/spec/node_spec.rb
index 3b2ecc3..058e626 100644
--- a/spec/node_spec.rb
+++ b/spec/node_spec.rb
@@ -166,6 +166,11 @@ describe Zorglub do
             r.header['Content-type'].should == 'text/view'
         end
         #
+        it "should be able to override through rack response mime-type" do
+            r = Node0.my_call '/do_content_type'
+            r.header['Content-type'].should == 'text/mine'
+        end
+        #
         it "partial should render correctly" do
             Node0.partial({},:do_partial, 1, 2).should == 'partial_content'
         end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index a88a25c..eea6bfe 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -60,6 +60,10 @@ class Node0 < Zorglub::Node
     def do_render
         engine! 'real'
     end
+    def do_content_type
+        engine! 'real'
+        response.header['Content-Type'] = 'text/mine'
+    end
     def do_partial a1, a2
         engine! 'real'
     end