remove rspec-rails development dependency

We basically didn't use any of the features from rspec-rails, and the
important request/response stuff comes from
ActionController::TestCase::Behavior. This allows us to drop the
"activemodel" dependency as well.

Author: mislav

api-pagination.gemspec

@@ -17,6 +17,5 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib']
 
   s.add_development_dependency 'actionpack'
-  s.add_development_dependency 'activemodel'
-  s.add_development_dependency 'rspec-rails'
+  s.add_development_dependency 'rspec'
 end

spec/spec_helper.rb

@@ -1,6 +1,6 @@
 require 'action_controller'
 require 'api-pagination'
-require 'rspec/rails'
+require 'rspec/autorun'
 require 'ostruct'
 
 module Rails
@@ -12,6 +12,34 @@ def self.application
   end
 end
 
+module ControllerExampleGroup
+  def self.included(base)
+    base.extend ClassMethods
+    base.send(:include, ActionController::TestCase::Behavior)
+
+    base.prepend_before do
+      @routes = Rails.application.routes
+      @controller = described_class.new
+    end
+  end
+
+  module ClassMethods
+    def setup(*methods)
+      methods.each do |method|
+        if method.to_s =~ /^setup_(fixtures|controller_request_and_response)$/
+          prepend_before { send method }
+        else
+          before         { send method }
+        end
+      end
+    end
+
+    def teardown(*methods)
+      methods.each { |method| after { send method } }
+    end
+  end
+end
+
 RSpec.configure do |config|
   config.treat_symbols_as_metadata_keys_with_true_values = true
   config.run_all_when_everything_filtered = true
@@ -22,4 +50,6 @@ def self.application
   # the seed, which is printed after each run.
   #     --seed 1234
   config.order = 'random'
+
+  config.include ControllerExampleGroup, :type => :controller
 end