diff options
Diffstat (limited to 'actionpack/lib/action_controller/test_process.rb')
| -rw-r--r-- | actionpack/lib/action_controller/test_process.rb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/test_process.rb b/actionpack/lib/action_controller/test_process.rb index 25ad540468..20022aab91 100644 --- a/actionpack/lib/action_controller/test_process.rb +++ b/actionpack/lib/action_controller/test_process.rb @@ -247,6 +247,11 @@ module Test private # execute the request and set/volley the response def process(action, parameters = nil, session = nil, flash = nil) + # Sanity check for required instance variables so we can give an understandable error message. + %w(controller request response).each do |iv_name| + assert_not_nil instance_variable_get("@#{iv_name}"), "@#{iv_name} is nil: make sure you set it in your test's setup method." + end + @html_document = nil @request.env['REQUEST_METHOD'] ||= "GET" @request.action = action.to_s |