fix Config#engine_proc_ext, file engine and spec

3 files changed, 4 insertions, 4 deletions

diff --git a/lib/zorglub/config.rb b/lib/zorglub/config.rb
index 73e218c..cda71ac 100644
--- a/lib/zorglub/config.rb
+++ b/lib/zorglub/config.rb
@@ -61,7 +61,7 @@ module Zorglub
             def engine_proc_ext engine, ext
                 p,x = @engines[engine]
                 return [nil, ''] if p.nil?
-                [ p, (x.nil? ? ext : x ) ]
+                [ p, ((ext.nil? or ext.empty?) ? x : ext ) ]
             end
             #
         end
diff --git a/lib/zorglub/engines/file.rb b/lib/zorglub/engines/file.rb
index fd9fe1e..10f7322 100644
--- a/lib/zorglub/engines/file.rb
+++ b/lib/zorglub/engines/file.rb
@@ -15,6 +15,6 @@ module Zorglub
     end
 end
 #
-Zorglub::Config.register_engine :file, nil, Zorglub::Engines::File.method(:proc)
+Zorglub::Config.register_engine :file, 'txt', Zorglub::Engines::File.method(:proc)
 #
 # EOF
diff --git a/spec/node_spec.rb b/spec/node_spec.rb
index 23fd379..701c700 100644
--- a/spec/node_spec.rb
+++ b/spec/node_spec.rb
@@ -195,9 +195,9 @@ describe Zorglub do
         #
         it "ext definition and file engine should work" do
             r = Node0.my_call '/xml_file'
-            r.body[0]='<xml>file</xml>'
+            r.body[0].should  == "<xml>file<\/xml>\n"
             r = Node0.my_call '/plain_file'
-            r.body[0]='plain text'
+            r.body[0].should == "plain file\n"
         end
     end
     #