Add tests for XML renderers

lib/rabl-rails/renderer.rb

@@ -1,5 +1,6 @@
 require 'rabl-rails/renderers/base'
 require 'rabl-rails/renderers/json'
+require 'rabl-rails/renderers/xml'
 
 module RablRails
   module Renderer

lib/rabl-rails/renderers/xml.rb

@@ -1,11 +1,12 @@
+require 'active_support/core_ext/hash/conversions'
+
 module RablRails
   module Renderers
     class XML < Base
-    	DEFAULT_OPTIONS = { dasherize: true, skip_types: false }
+      DEFAULT_OPTIONS = { dasherize: true, skip_types: false }
 
       def format_output(hash)
-      	# hash = hash[options[:root_name]] if options[:root_name]
-      	xml_options = { root: options[:root_name] }.merge!(DEFAULT_OPTIONS)
+      	xml_options = { root: _options[:root_name] }.merge!(DEFAULT_OPTIONS)
 				hash.to_xml(xml_options)
       end
     end

test/renderers/xml_renderer_test.rb

@@ -0,0 +1,131 @@
+require 'test_helper'
+
+class TestXmlRenderer < ActiveSupport::TestCase
+  INDENT_REGEXP = /\n(\s)*/
+  HEADER_REGEXP = /<[^>]+>/
+
+  setup do
+    @data = User.new(1, 'foobar', 'male')
+
+    @context = Context.new
+    @context.assigns['data'] = @data
+
+    @template = RablRails::CompiledTemplate.new
+    @template.data = :@data
+    @template.root_name = :user
+  end
+
+  def render_xml_output
+    RablRails::Renderers::XML.new(@context).render(@template).to_s.gsub!(INDENT_REGEXP, '').sub!(HEADER_REGEXP, '')
+  end
+
+  test "render object simple object" do
+    @template.source = {}
+    assert_equal %q(<user></user>), render_xml_output
+  end
+
+  test "render collection with empty template" do
+    @context.assigns['data'] = [@data]
+    @template.source = {}
+    @template.root_name = :users
+    assert_equal %q(<users type="array"><user></user></users>), render_xml_output
+  end
+
+  test "render object with local methods (used by decent_exposure)" do
+    @context.stub(:user).and_return(@data)
+    @template.source = { :id => :id }
+    assert_equal %q(<user><id type="integer">1</id></user>), render_xml_output
+  end
+
+  test "render single object attributes" do
+    @template.source = { :name => :name }
+    assert_equal %q(<user><name>foobar</name></user>), render_xml_output
+  end
+
+  test "render child with arbitrary data source" do
+    @template.source = { :author => { :_data => :@data, :name => :name } }
+    @template.root_name = :post
+    assert_equal %q(<post><author><name>foobar</name></author></post>), render_xml_output
+  end
+
+  test "render child with local methods (used by decent_exposure)" do
+    @context.stub(:user).and_return(@data)
+    @template.source = { :author => { :_data => :user, :name => :name } }
+    @template.root_name = :post
+    assert_equal %q(<post><author><name>foobar</name></author></post>), render_xml_output
+  end
+
+  test "render glued attributes from single object" do
+    @template.source = { :_glue0 => { :_data => :@data, :name => :name } }
+    assert_equal %q(<user><name>foobar</name></user>), render_xml_output
+  end
+
+  test "render collection with attributes" do
+    @data = [User.new(1, 'foo', 'male'), User.new(2, 'bar', 'female')]
+    @context.assigns['data'] = @data
+    @template.root_name = :users
+    @template.source = { :uid => :id, :name => :name }
+    assert_equal %q(<users type="array"><user><uid type="integer">1</uid><name>foo</name></user><user><uid type="integer">2</uid><name>bar</name></user></users>), render_xml_output
+  end
+
+  test "render node property" do
+    proc = lambda { |object| object.name }
+    @template.source = { :name => proc }
+    assert_equal %q(<user><name>foobar</name></user>), render_xml_output
+  end
+
+  test "render node property with true condition" do
+    condition = lambda { |u| true }
+    proc = lambda { |object| object.name }
+    @template.source = { :name => [condition, proc] }
+    assert_equal %q(<user><name>foobar</name></user>), render_xml_output
+  end
+
+  test "render node property with false condition" do
+    condition = lambda { |u| false }
+    proc = lambda { |object| object.name }
+    @template.source = { :name => [condition, proc] }
+    assert_equal %q(<user></user>), render_xml_output
+  end
+
+  test "node with context method call" do
+    @context.stub(:respond_to?).with(:@data).and_return(false)
+    @context.stub(:respond_to?).with(:context_method).and_return(true)
+    @context.stub(:context_method).and_return('marty')
+    proc = lambda { |object| context_method }
+    @template.source = { :name => proc }
+    assert_equal %q(<user><name>marty</name></user>), render_xml_output
+  end
+
+  test "partial should be evaluated at rendering time" do
+    # Set assigns
+    @context.assigns['user'] = @data
+
+    # Stub Library#get
+    t = RablRails::CompiledTemplate.new
+    t.source = { :name => :name }
+    RablRails::Library.reset_instance
+    RablRails::Library.instance.should_receive(:compile_template_from_path).with('users/base').and_return(t)
+
+    @template.data = false
+    @template.root_name = :post
+    @template.source = { :user => ->(s) { partial('users/base', :object => @user) } }
+
+    assert_equal %q(<post><user><name>foobar</name></user></post>), render_xml_output
+  end
+
+  test "partial with no values should raise an error" do
+    @template.data = false
+    @template.source = { :user => ->(s) { partial('users/base') } }
+
+    assert_raises(RablRails::Renderers::PartialError) { render_xml_output }
+  end
+
+  test "partial with empty values should not raise an error" do
+    @template.data = false
+    @template.root_name = :list
+    @template.source = { :users => ->(s) { partial('users/base', :object => []) } }
+
+    assert_equal %q(<list><users type="array"/></list>), render_xml_output
+  end
+end