1 files changed, 136 insertions, 0 deletions
diff --git a/actionpack/test/controller/render_json_test.rb b/actionpack/test/controller/render_json_test.rb
new file mode 100644
index 0000000000..ada978aa11
--- /dev/null
+++ b/actionpack/test/controller/render_json_test.rb
@@ -0,0 +1,136 @@
+require 'abstract_unit'
+require 'controller/fake_models'
+require 'active_support/logger'
+require 'pathname'
+
+class RenderJsonTest < ActionController::TestCase
+  class JsonRenderable
+    def as_json(options={})
+      hash = { :a => :b, :c => :d, :e => :f }
+      hash.except!(*options[:except]) if options[:except]
+      hash
+    end
+
+    def to_json(options = {})
+      super :except => [:c, :e]
+    end
+  end
+
+  class TestController < ActionController::Base
+    protect_from_forgery
+
+    def self.controller_path
+      'test'
+    end
+
+    def render_json_nil
+      render :json => nil
+    end
+
+    def render_json_render_to_string
+      render :text => render_to_string(:json => '[]')
+    end
+
+    def render_json_hello_world
+      render :json => ActiveSupport::JSON.encode(:hello => 'world')
+    end
+
+    def render_json_hello_world_with_status
+      render :json => ActiveSupport::JSON.encode(:hello => 'world'), :status => 401
+    end
+
+    def render_json_hello_world_with_callback
+      render :json => ActiveSupport::JSON.encode(:hello => 'world'), :callback => 'alert'
+    end
+
+    def render_json_with_custom_content_type
+      render :json => ActiveSupport::JSON.encode(:hello => 'world'), :content_type => 'text/javascript'
+    end
+
+    def render_symbol_json
+      render :json => ActiveSupport::JSON.encode(:hello => 'world')
+    end
+
+    def render_json_with_render_to_string
+      render :json => {:hello => render_to_string(:partial => 'partial')}
+    end
+
+    def render_json_with_extra_options
+      render :json => JsonRenderable.new, :except => [:c, :e]
+    end
+
+    def render_json_without_options
+      render :json => JsonRenderable.new
+    end
+  end
+
+  tests TestController
+
+  def setup
+    # enable a logger so that (e.g.) the benchmarking stuff runs, so we can get
+    # a more accurate simulation of what happens in "real life".
+    super
+    @controller.logger = ActiveSupport::Logger.new(nil)
+
+    @request.host = "www.nextangle.com"
+  end
+
+  def test_render_json_nil
+    get :render_json_nil
+    assert_equal 'null', @response.body
+    assert_equal 'application/json', @response.content_type
+  end
+
+  def test_render_json_render_to_string
+    get :render_json_render_to_string
+    assert_equal '[]', @response.body
+  end
+
+
+  def test_render_json
+    get :render_json_hello_world
+    assert_equal '{"hello":"world"}', @response.body
+    assert_equal 'application/json', @response.content_type
+  end
+
+  def test_render_json_with_status
+    get :render_json_hello_world_with_status
+    assert_equal '{"hello":"world"}', @response.body
+    assert_equal 401, @response.status
+  end
+
+  def test_render_json_with_callback
+    xhr :get, :render_json_hello_world_with_callback
+    assert_equal '/**/alert({"hello":"world"})', @response.body
+    assert_equal 'text/javascript', @response.content_type
+  end
+
+  def test_render_json_with_custom_content_type
+    xhr :get, :render_json_with_custom_content_type
+    assert_equal '{"hello":"world"}', @response.body
+    assert_equal 'text/javascript', @response.content_type
+  end
+
+  def test_render_symbol_json
+    get :render_symbol_json
+    assert_equal '{"hello":"world"}', @response.body
+    assert_equal 'application/json', @response.content_type
+  end
+
+  def test_render_json_with_render_to_string
+    get :render_json_with_render_to_string
+    assert_equal '{"hello":"partial html"}', @response.body
+    assert_equal 'application/json', @response.content_type
+  end
+
+  def test_render_json_forwards_extra_options
+    get :render_json_with_extra_options
+    assert_equal '{"a":"b"}', @response.body
+    assert_equal 'application/json', @response.content_type
+  end
+
+  def test_render_json_calls_to_json_from_object
+    get :render_json_without_options
+    assert_equal '{"a":"b"}', @response.body
+  end
+end