Add specs for page caching matchers

spec/controllers/page_caching_spec.rb

@@ -0,0 +1,42 @@
+require_relative '../spec_helper'
+require_relative '../resources/controllers/page_cache_spec_controller'
+
+describe PageCacheSpecController, :type => :controller do
+  describe "response.should cache_page" do
+
+    it "matches an action for a cached page" do
+      expect {
+        expect { get "action_with_page_caching" }
+                .to cache_page '/action_with_page_caching'
+      }.to_not raise_error
+    end
+
+    it "does not match an action for an uncached page" do
+      expect {
+        expect { get "action_without_page_caching" }
+                .to cache_page '/action_without_page_caching'
+      }.to raise_error(RSpec::Expectations::ExpectationNotMetError)
+    end
+
+  end
+
+  describe "response.should expire_page" do
+
+    it "matches an action for an expired page" do
+      expect {
+        get "action_with_page_caching"
+        expect { get "action_with_page_expiry" }
+                .to expire_page '/action_with_page_caching'
+      }.to_not raise_error
+    end
+
+    it "does not match an action without expiry" do
+      expect {
+        expect { get "action_with_page_caching" }
+                .to expire_page '/action_with_page_caching'
+      }.to raise_error(RSpec::Expectations::ExpectationNotMetError)
+    end
+
+  end
+
+end

spec/resources/controllers/page_cache_spec_controller.rb

@@ -0,0 +1,32 @@
+class PageCacheSpecController < ActionController::Base
+  include Rails.application.routes.url_helpers
+
+  caches_page :action_with_page_caching
+
+  def action_without_page_caching
+    render :text => ""
+  end
+
+  def action_with_page_caching
+    render :text => ""
+  end
+
+  def action_with_page_expiry
+    expire_page :action => 'action_with_page_caching'
+    render :text => ""
+  end
+end
+
+RSpec::Rails::Application.routes.draw do
+  get "action_without_page_caching",
+      :controller => "page_cache_spec",
+      :action     => "action_without_page_caching"
+
+  get "action_with_page_caching",
+      :controller => "page_cache_spec",
+      :action     => "action_with_page_caching"
+
+  get "action_with_page_expiry",
+      :controller => "page_cache_spec",
+      :action     => "action_with_page_expiry"
+end

spec/spec_helper.rb

@@ -0,0 +1,27 @@
+require 'rails'
+require 'action_controller/railtie'
+unless Rails::VERSION::MAJOR < 4
+  require 'action_controller/action_caching'
+  require 'action_controller/page_caching'
+end
+require 'rspec/rails'
+require 'rspec-rails-caching'
+
+module RSpec::Rails
+  class Application < ::Rails::Application
+    config.secret_key_base = 'test'
+    config.action_controller.page_cache_directory =
+      File.dirname(__FILE__)
+  end
+end
+
+RSpec.configure do |config|
+  config.before(:each) do
+    @real_world = RSpec.world
+    RSpec.instance_variable_set(:@world, RSpec::Core::World.new)
+  end
+  config.after(:each) do
+    RSpec.instance_variable_set(:@world, @real_world)
+  end
+  config.order = :random
+end