cleaning up some warnings on 1.9.3

actionpack/test/controller/filters_test.rb

@@ -664,7 +664,7 @@ class FilterTest < ActionController::TestCase
   end
 
   def test_prepending_and_appending_around_filter
-    controller = test_process(MixedFilterController)
+    test_process(MixedFilterController)
     assert_equal " before aroundfilter  before procfilter  before appended aroundfilter " +
                  " after appended aroundfilter  after procfilter  after aroundfilter ",
                  MixedFilterController.execution_log
@@ -677,26 +677,26 @@ class FilterTest < ActionController::TestCase
   end
 
   def test_before_filter_rendering_breaks_filtering_chain_for_after_filter
-    response = test_process(RenderingController)
+    test_process(RenderingController)
     assert_equal %w( before_filter_rendering ), assigns["ran_filter"]
     assert !assigns["ran_action"]
   end
 
   def test_before_filter_redirects_breaks_filtering_chain_for_after_filter
-    response = test_process(BeforeFilterRedirectionController)
+    test_process(BeforeFilterRedirectionController)
     assert_response :redirect
     assert_equal "http://test.host/filter_test/before_filter_redirection/target_of_redirection", redirect_to_url
     assert_equal %w( before_filter_redirects ), assigns["ran_filter"]
   end
 
   def test_before_filter_rendering_breaks_filtering_chain_for_preprend_after_filter
-    response = test_process(RenderingForPrependAfterFilterController)
+    test_process(RenderingForPrependAfterFilterController)
     assert_equal %w( before_filter_rendering ), assigns["ran_filter"]
     assert !assigns["ran_action"]
   end
 
   def test_before_filter_redirects_breaks_filtering_chain_for_preprend_after_filter
-    response = test_process(BeforeFilterRedirectionForPrependAfterFilterController)
+    test_process(BeforeFilterRedirectionForPrependAfterFilterController)
     assert_response :redirect
     assert_equal "http://test.host/filter_test/before_filter_redirection_for_prepend_after_filter/target_of_redirection", redirect_to_url
     assert_equal %w( before_filter_redirects ), assigns["ran_filter"]

actionpack/test/controller/log_subscriber_test.rb

@@ -144,7 +144,7 @@ class ACLogSubscriberTest < ActionController::TestCase
     wait
 
     assert_equal 4, logs.size
-    assert_match /Read fragment views\/foo/, logs[1]
+    assert_match(/Read fragment views\/foo/, logs[1])
     assert_match(/Write fragment views\/foo/, logs[2])
   ensure
     @controller.config.perform_caching = true
@@ -156,8 +156,8 @@ class ACLogSubscriberTest < ActionController::TestCase
     wait
 
     assert_equal 4, logs.size
-    assert_match /Read fragment views\/foo/, logs[1]
-    assert_match /Write fragment views\/foo/, logs[2]
+    assert_match(/Read fragment views\/foo/, logs[1])
+    assert_match(/Write fragment views\/foo/, logs[2])
   ensure
     @controller.config.perform_caching = true
   end
@@ -173,15 +173,15 @@ class ACLogSubscriberTest < ActionController::TestCase
   ensure
     @controller.config.perform_caching = true
   end
-  
+
   def test_process_action_with_exception_includes_http_status_code
     begin
-     get :with_exception
-     wait
-   rescue Exception => e      
-   end
-   assert_equal 2, logs.size
-   assert_match(/Completed 500/, logs.last)
+      get :with_exception
+      wait
+    rescue Exception
+    end
+    assert_equal 2, logs.size
+    assert_match(/Completed 500/, logs.last)
   end
 
   def logs

actionpack/test/controller/new_base/bare_metal_test.rb

@@ -35,7 +35,7 @@ module BareMetalTest
 
   class HeadTest < ActiveSupport::TestCase
     test "head works on its own" do
-      status, headers, body = HeadController.action(:index).call(Rack::MockRequest.env_for("/"))
+      status = HeadController.action(:index).call(Rack::MockRequest.env_for("/")).first
       assert_equal 404, status
     end
   end

actionpack/test/controller/request/test_request_test.rb

@@ -29,8 +29,7 @@ class ActionController::TestRequestTest < ActiveSupport::TestCase
   end
 
   def test_session_id_different_on_each_call
-    prev_id =
     assert_not_equal(@request.session_options[:id], ActionController::TestRequest.new.session_options[:id])
   end
 
-end
+end

actionpack/test/controller/routing_test.rb

@@ -701,7 +701,7 @@ class RouteSetTest < ActiveSupport::TestCase
     set.draw do
       match '/users/index' => 'users#index'
     end
-    params = set.recognize_path('/users/index', :method => :get)
+    set.recognize_path('/users/index', :method => :get)
     assert_equal 1, set.routes.size
   end
 
@@ -980,7 +980,7 @@ class RouteSetTest < ActiveSupport::TestCase
       match '/profile' => 'profile#index'
     end
 
-    params = set.recognize_path("/profile") rescue nil
+    set.recognize_path("/profile") rescue nil
 
     assert !Object.const_defined?("Profiler__"), "Profiler should not be loaded"
   end

actionpack/test/dispatch/request_test.rb

@@ -427,7 +427,7 @@ class RequestTest < ActiveSupport::TestCase
     begin
       request = stub_request(mock_rack_env)
       request.parameters
-    rescue TypeError => e
+    rescue TypeError
       # rack will raise a TypeError when parsing this query string
     end
     assert_equal({}, request.parameters)

actionpack/test/dispatch/response_test.rb

@@ -18,7 +18,7 @@ class ResponseTest < ActiveSupport::TestCase
     body.each { |part| parts << part }
     assert_equal ["Hello, World!"], parts
   end
-  
+
   test "status handled properly in initialize" do
     assert_equal 200, ActionDispatch::Response.new('200 OK').status
   end
@@ -26,7 +26,7 @@ class ResponseTest < ActiveSupport::TestCase
   test "utf8 output" do
     @response.body = [1090, 1077, 1089, 1090].pack("U*")
 
-    status, headers, body = @response.to_a
+    status, headers, _ = @response.to_a
     assert_equal 200, status
     assert_equal({
       "Content-Type" => "text/html; charset=utf-8"
@@ -52,20 +52,20 @@ class ResponseTest < ActiveSupport::TestCase
   test "content type" do
     [204, 304].each do |c|
       @response.status = c.to_s
-      status, headers, body = @response.to_a
+      _, headers, _ = @response.to_a
       assert !headers.has_key?("Content-Type"), "#{c} should not have Content-Type header"
     end
 
     [200, 302, 404, 500].each do |c|
       @response.status = c.to_s
-      status, headers, body = @response.to_a
+      _, headers, _ = @response.to_a
       assert headers.has_key?("Content-Type"), "#{c} did not have Content-Type header"
     end
   end
 
   test "does not include Status header" do
     @response.status = "200 OK"
-    status, headers, body = @response.to_a
+    _, headers, _ = @response.to_a
     assert !headers.has_key?('Status')
   end
 

actionpack/test/dispatch/session/cookie_store_test.rb

@@ -194,7 +194,6 @@ class CookieStoreTest < ActionDispatch::IntegrationTest
     with_test_route_set do
       get '/set_session_value'
       assert_response :success
-      session_payload = response.body
       assert_equal "_myapp_session=#{response.body}; path=/; HttpOnly",
         headers['Set-Cookie']