From ff6c41276559fe78075ad3fb277bfe7abb35d486 Mon Sep 17 00:00:00 2001
From: Zach Holt <z@wzph.com>
Date: Sun, 18 May 2008 15:42:05 -0700
Subject: [PATCH] Added require_js and require_css matcher helper methods

---
 merb-assets/lib/merb-assets/test.rb                |    3 +
 merb-assets/lib/merb-assets/test/matchers.rb       |    9 +++
 .../test/matchers/controller_matchers.rb           |   63 ++++++++++++++++++++
 merb-assets/spec/test/controller_matchers_spec.rb  |   61 +++++++++++++++++++
 4 files changed, 136 insertions(+), 0 deletions(-)
 create mode 100644 merb-assets/lib/merb-assets/test.rb
 create mode 100644 merb-assets/lib/merb-assets/test/matchers.rb
 create mode 100644 merb-assets/lib/merb-assets/test/matchers/controller_matchers.rb
 create mode 100644 merb-assets/spec/test/controller_matchers_spec.rb

diff --git a/merb-assets/lib/merb-assets/test.rb b/merb-assets/lib/merb-assets/test.rb
new file mode 100644
index 0000000..754780e
--- /dev/null
+++ b/merb-assets/lib/merb-assets/test.rb
@@ -0,0 +1,3 @@
+module Merb; module Test; end; end
+
+require 'merb-assets/test/matchers'
diff --git a/merb-assets/lib/merb-assets/test/matchers.rb b/merb-assets/lib/merb-assets/test/matchers.rb
new file mode 100644
index 0000000..7d06c8e
--- /dev/null
+++ b/merb-assets/lib/merb-assets/test/matchers.rb
@@ -0,0 +1,9 @@
+module Merb::Test::Rspec; end
+
+require "merb-assets/test/matchers/controller_matchers"
+#require "merb-assets/test/matchers/route_matchers"
+#require "merb-assets/test/matchers/view_matchers"
+
+Merb::Test::ControllerHelper.send(:include, Merb::Test::Rspec::ControllerMatchers)
+#Merb::Test::RouteHelper.send(:include, Merb::Test::Rspec::RouteMatchers)
+#Merb::Test::ViewHelper.send(:include, Merb::Test::Rspec::ViewMatchers)
\ No newline at end of file
diff --git a/merb-assets/lib/merb-assets/test/matchers/controller_matchers.rb b/merb-assets/lib/merb-assets/test/matchers/controller_matchers.rb
new file mode 100644
index 0000000..3177478
--- /dev/null
+++ b/merb-assets/lib/merb-assets/test/matchers/controller_matchers.rb
@@ -0,0 +1,63 @@
+module Merb::Test::Rspec::ControllerMatchers
+
+  # Passes if the target required the asset
+  #
+  # ==== Examples
+  #   controller.should require_css( 'master' )
+  class RequireAsset
+    # === Parameters
+    # String:: An asset to check
+    def initialize(expected,asset_type=:js)
+      @asset_type = asset_type
+      @expected = expected
+    end
+
+    # ==== Parameters
+    # target<Application>::
+    #   A controller instance
+    #
+    # ==== Returns
+    # Boolean:: True if the asset was required by the controller
+    def matches?(target)
+      @target = target
+      case @asset_type
+      when :js
+        @target.instance_variable_get( '@required_js' ).flatten.any?{ |js| js =~ /^#{@expected}(.js)?$/ }
+      when :css
+        @target.instance_variable_get( '@required_css' ).flatten.any?{ |js| js =~ /^#{@expected}(.css)?$/ }
+      else
+        false
+      end
+    rescue
+      false
+    end
+
+    # ==== Returns
+    # String:: The failure message.
+    def failure_message
+      "expected #{@target.class.name} instance to require #{@expected}.#{@asset_type.to_s}, but it doesn't"
+    end
+
+    # ==== Returns
+    # String:: The failure message to be displayed in negative matches.
+    def negative_failure_message
+      "expected #{@target.class.name} instance not to require #{@expected}.#{@asset_type.to_s}, but it does"
+    end
+  end
+
+  # Passes if the controller actually requires the target js
+  #
+  # ==== Example
+  #   controller_instance.should require_js( 'jquery' )
+  def require_js( expected )
+    RequireAsset.new( expected, :js )
+  end
+
+  # Passes if the controller actually requires the target css
+  #
+  # ==== Example
+  #   controller_instance.should require_css( 'master' )
+  def require_css( expected )
+    RequireAsset.new( expected, :css )
+  end
+end
diff --git a/merb-assets/spec/test/controller_matchers_spec.rb b/merb-assets/spec/test/controller_matchers_spec.rb
new file mode 100644
index 0000000..d0e1b50
--- /dev/null
+++ b/merb-assets/spec/test/controller_matchers_spec.rb
@@ -0,0 +1,61 @@
+require File.join(File.dirname(__FILE__), "..", "spec_helper")
+
+Merb.start :environment => 'test', :log_level => :fatal
+
+class TestController < Merb::Controller
+  attr_accessor :redirect_to
+  def redirect_action; redirect(@redirect_to || "/"); end
+  def success_action; end
+  def missing_action; render("i can has errorz", :status => 404); end
+end
+
+
+module Merb::Test::Rspec
+  module ControllerMatchers
+    class RedirectableTarget
+      attr_accessor :status, :headers
+      def initialize; @headers = {}; end
+      include Merb::AssetsMixin
+    end
+
+    describe RequireAsset do
+      before do
+        @target = RedirectableTarget.new
+        @target.instance_eval do
+          require_js 'eeny'
+          require_css 'meeny'
+        end
+      end
+
+      it 'should match with explicit js' do
+        RequireAsset.new( 'eeny', :js ).matches?( @target ).should be_true
+      end
+
+      it 'should match with implicit js' do
+        RequireAsset.new( 'eeny' ).matches?( @target ).should be_true
+      end
+
+      it 'should not match non-required js' do
+        RequireAsset.new( 'meeny', :js ).matches?( @target ).should be_false
+      end
+
+      it 'should match even after an include_required_js' do
+        @target.instance_eval{ include_required_js }
+        RequireAsset.new( 'eeny' ).matches?( @target ).should be_true
+      end
+
+      it 'should not match non-required css' do
+        RequireAsset.new( 'eeny', :css ).matches?( @target ).should be_false
+      end
+
+      it 'should match with css' do
+        RequireAsset.new( 'meeny', :css ).matches?( @target ).should be_true
+      end
+
+      it 'should match even after an include_required_css' do
+        @target.instance_eval{ include_required_css }
+        RequireAsset.new( 'meeny', :css ).matches?( @target ).should be_true
+      end
+    end
+  end
+end
-- 
1.5.4.3