Updated Gemfile to include Rails2 so you can test the Rails2 generators.

Gemfile

@@ -5,10 +5,12 @@ gem "jeweler", "1.4.0"
 gem "gemcutter", "0.5.0"
 
 group :test do
-  gem "json_pure", "1.2.0"
+  gem "json_pure", "~>1.4.3"
   gem "rspec", "1.3.0"
-  gem "rack", "1.1.0"
+  gem "rack", "~>1.0.0"
   gem "rack-test", :require => "rack/test"
   gem "selenium-rc", "2.2.1"
   gem "selenium-client", "1.2.18"
+  # this needs to be installed to test the Rails2 generator
+  gem "rails", "~>2.3.5"
 end

Gemfile.lock

@@ -1,5 +1,9 @@
 --- 
 dependencies: 
+  rails: 
+    group: 
+    - :test
+    version: ~> 2.3.5
   rake: 
     group: 
     - :default
@@ -8,14 +12,14 @@ dependencies:
     group: 
     - :test
     version: = 1.3.0
+  rack: 
+    group: 
+    - :test
+    version: ~> 1.0.0
   gemcutter: 
     group: 
     - :default
     version: = 0.5.0
-  rack: 
-    group: 
-    - :test
-    version: = 1.1.0
   selenium-rc: 
     group: 
     - :test
@@ -24,25 +28,37 @@ dependencies:
     group: 
     - :default
     version: = 1.4.0
-  selenium-client: 
+  json_pure: 
     group: 
     - :test
-    version: = 1.2.18
+    version: ~> 1.4.3
   rack-test: 
     group: 
     - :test
     version: ">= 0"
     require: 
     - rack/test
-  json_pure: 
+  selenium-client: 
     group: 
     - :test
-    version: = 1.2.0
+    version: = 1.2.18
 specs: 
 - rake: 
     version: 0.8.7
+- activesupport: 
+    version: 2.3.5
+- rack: 
+    version: 1.0.1
+- actionpack: 
+    version: 2.3.5
+- actionmailer: 
+    version: 2.3.5
+- activerecord: 
+    version: 2.3.5
+- activeresource: 
+    version: 2.3.5
 - json_pure: 
-    version: 1.2.0
+    version: 1.4.3
 - gemcutter: 
     version: 0.5.0
 - git: 
@@ -51,17 +67,17 @@ specs:
     version: 2.0.4
 - jeweler: 
     version: 1.4.0
-- rack: 
-    version: 1.1.0
 - rack-test: 
-    version: 0.5.3
+    version: 0.5.4
+- rails: 
+    version: 2.3.5
 - rspec: 
     version: 1.3.0
 - selenium-client: 
     version: 1.2.18
 - selenium-rc: 
     version: 2.2.1
-hash: b18047a3377359ed96ef686627dc41ee677d5480
+hash: 3e5ea744ddd58bc52e66770b66f0dbdf57a44fee
 sources: 
 - Rubygems: 
     uri: http://gemcutter.org