render_template compatible with assert_template, closes #21

gemfiles/3.0.gemfile

@@ -3,12 +3,12 @@
 source "http://rubygems.org"
 
 gem "rake", "~> 0.9.2"
-gem "activerecord-jdbcsqlite3-adapter", :platform=>:jruby
 gem "sqlite3", :platform=>:ruby
+gem "activerecord-jdbc-adapter", :platform=>:jruby
+gem "activerecord-jdbcsqlite3-adapter", :platform=>:jruby
+gem "jdbc-sqlite3", :platform=>:jruby
 gem "jruby-openssl", :platform=>:jruby
 gem "shoulda-context", "~> 1.0.0.beta1"
-gem "activerecord-jdbc-adapter", :platform=>:jruby
-gem "jdbc-sqlite3", :platform=>:jruby
 gem "rails", "3.0.10"
 
 gemspec :path=>"../"

gemfiles/3.1.gemfile

@@ -3,16 +3,16 @@
 source "http://rubygems.org"
 
 gem "rake", "~> 0.9.2"
-gem "activerecord-jdbcsqlite3-adapter", :platform=>:jruby
 gem "sqlite3", :platform=>:ruby
+gem "activerecord-jdbc-adapter", :platform=>:jruby
+gem "activerecord-jdbcsqlite3-adapter", :platform=>:jruby
+gem "jdbc-sqlite3", :platform=>:jruby
 gem "jruby-openssl", :platform=>:jruby
 gem "shoulda-context", "~> 1.0.0.beta1"
-gem "coffee-rails"
-gem "uglifier"
-gem "sass-rails"
-gem "activerecord-jdbc-adapter", :platform=>:jruby
-gem "jdbc-sqlite3", :platform=>:jruby
-gem "jquery-rails"
 gem "rails", "3.1.0"
+gem "uglifier"
+gem "jquery-rails"
+gem "coffee-rails"
+gem "sass-rails"
 
 gemspec :path=>"../"

lib/shoulda/matchers/action_controller/render_template_matcher.rb

@@ -7,14 +7,25 @@ module Shoulda # :nodoc:
       # Example:
       #
       #   it { should render_template(:show)  }
-      def render_template(template)
-        RenderTemplateMatcher.new(template, self)
+      #
+      #   assert that the "_customer" partial was rendered
+      #   it { should render_template(:partial => '_customer')  }
+      #
+      #   assert that the "_customer" partial was rendered twice
+      #   it { should render_template(:partial => '_customer', :count => 2)  }
+      #
+      #   assert that no partials were rendered
+      #   it { should render_template(:partial => false)  }
+      def render_template(options = {}, message = nil)
+        RenderTemplateMatcher.new(options, message, self)
       end
 
       class RenderTemplateMatcher # :nodoc:
 
-        def initialize(template, context)
-          @template = template.to_s
+        def initialize(options, message, context)
+          @options = options
+          @message = message
+          @template = options.is_a?(Hash) ? options[:partial] : options
           @context  = context
         end
 
@@ -38,7 +49,7 @@ module Shoulda # :nodoc:
 
         def renders_template?
           begin
-            @context.send(:assert_template, @template)
+            @context.send(:assert_template, @options, @message)
             @negative_failure_message = "Didn't expect to render #{@template}"
             true
           rescue Shoulda::Matchers::AssertionError => error

spec/shoulda/action_controller/render_template_matcher_spec.rb

@@ -25,6 +25,48 @@ describe Shoulda::Matchers::ActionController::RenderTemplateMatcher do
     end
   end
 
+  context "a controller that renders a partial" do
+    before do
+      @controller = build_response(:partial => '_customer') { render :partial => 'customer' }
+    end
+
+    it "should accept rendering that partial" do
+      @controller.should render_template(:partial => '_customer')
+    end
+
+    it "should reject rendering a different template" do
+      @controller.should_not render_template(:partial => '_client')
+    end
+
+    it "should accept rendering that template in the given context" do
+      @controller.should render_template(:partial => '_customer').in_context(self)
+    end
+
+    it "should reject rendering a different template in the given context" do
+      @controller.should_not render_template(:partial => '_client').in_context(self)
+    end
+  end
+
+  context "a controller that doesn't render partials" do
+    before do
+      @controller = build_response(:action => 'show') { render }
+    end
+
+    it "should not render a partial" do
+      @controller.should render_template(:partial => false)
+    end
+  end
+
+  context "a controller that renders a partial several times" do
+    before do
+      @controller = build_response(:partial => '_customer') { render :partial => 'customer', :collection => [1,2] }
+    end
+
+    it "should accept rendering that partial twice" do
+      @controller.should render_template(:partial => '_customer', :count => 2)
+    end
+  end
+
   context "a  controller that doesn't render a template" do
     before do
       @controller = build_response { render :nothing => true }

spec/support/model_builder.rb

@@ -89,6 +89,7 @@ module ModelBuilder
 
   def build_response(opts = {}, &block)
     action = opts[:action] || 'example'
+    partial = opts[:partial] || '_partial'
     klass = define_controller('Examples')
     block ||= lambda { render :nothing => true }
     klass.class_eval { layout false; define_method(action, &block) }
@@ -97,6 +98,7 @@ module ModelBuilder
     end
 
     create_view("examples/#{action}.html.erb", "abc")
+    create_view("examples/#{partial}.html.erb", "partial")
     klass.view_paths = [TMP_VIEW_PATH]
 
     @controller = klass.new