Fixed a bug where overriding `params` stopped working

closes #919

kaminari-core/lib/kaminari/helpers/tags.rb

@@ -24,7 +24,7 @@ module Kaminari
         @params = @params.to_unsafe_h if @params.respond_to?(:to_unsafe_h)
         @params = @params.with_indifferent_access
         @params.except!(*PARAM_KEY_BLACKLIST)
-        @params.reverse_merge! params
+        @params.merge! params
       end
 
       def to_s(locals = {}) #:nodoc:

kaminari-core/test/helpers/action_view_extension_test.rb

@@ -28,6 +28,13 @@ if defined?(::Rails::Railtie) && defined?(::ActionView)
         end
       end
 
+      test 'allows for overriding params with the :params option' do
+        view.params[:controller], view.params[:action] = 'addresses', 'new'
+        users = User.page(1)
+
+        assert_match '/users?page=2', view.paginate(users, params: { controller: 'users', action: 'index' })
+      end
+
       test 'accepts :theme option' do
         users = User.page(1)
         begin