require 'abstract_unit' require 'controller/fake_models' class ViewRenderTest < Test::Unit::TestCase def setup @assigns = { :secret => 'in the sauce' } @view = ActionView::Base.new(ActionController::Base.view_paths, @assigns) end def test_render_file assert_equal "Hello world!", @view.render("test/hello_world.erb") end def test_render_file_not_using_full_path assert_equal "Hello world!", @view.render(:file => "test/hello_world.erb") end def test_render_file_without_specific_extension assert_equal "Hello world!", @view.render("test/hello_world") end def test_render_file_at_top_level assert_equal 'Elastica', @view.render('/shared') end def test_render_file_with_full_path template_path = File.join(File.dirname(__FILE__), '../fixtures/test/hello_world.erb') assert_equal "Hello world!", @view.render(:file => template_path) end def test_render_file_with_instance_variables assert_equal "The secret is in the sauce\n", @view.render("test/render_file_with_ivar.erb") end def test_render_file_with_locals locals = { :secret => 'in the sauce' } assert_equal "The secret is in the sauce\n", @view.render("test/render_file_with_locals.erb", locals) end def test_render_file_not_using_full_path_with_dot_in_path assert_equal "The secret is in the sauce\n", @view.render("test/dot.directory/render_file_with_ivar") end def test_render_update # TODO: You should not have to stub out template because template is self! @view.instance_variable_set(:@template, @view) assert_equal 'alert("Hello, World!");', @view.render(:update) { |page| page.alert('Hello, World!') } end def test_render_partial assert_equal "only partial", @view.render(:partial => "test/partial_only") end def test_render_partial_with_format assert_equal 'partial html', @view.render(:partial => 'test/partial') end def test_render_partial_at_top_level # file fixtures/_top_level_partial_only.erb (not fixtures/test) assert_equal 'top level partial', @view.render(:partial => '/top_level_partial_only') end def test_render_partial_with_format_at_top_level # file fixtures/_top_level_partial.html.erb (not fixtures/test, with format extension) assert_equal 'top level partial html', @view.render(:partial => '/top_level_partial') end def test_render_partial_with_locals assert_equal "5", @view.render(:partial => "test/counter", :locals => { :counter_counter => 5 }) end def test_render_partial_with_errors @view.render(:partial => "test/raise") flunk "Render did not raise TemplateError" rescue ActionView::TemplateError => e assert_match "undefined local variable or method `doesnt_exist'", e.message assert_equal "", e.sub_template_message assert_equal "1", e.line_number assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name end def test_render_sub_template_with_errors @view.render(:file => "test/sub_template_raise") flunk "Render did not raise TemplateError" rescue ActionView::TemplateError => e assert_match "undefined local variable or method `doesnt_exist'", e.message assert_equal "Trace of template inclusion: #{File.expand_path("#{FIXTURE_LOAD_PATH}/test/sub_template_raise.html.erb")}", e.sub_template_message assert_equal "1", e.line_number assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name end def test_render_partial_collection assert_equal "Hello: davidHello: mary", @view.render(:partial => "test/customer", :collection => [ Customer.new("david"), Customer.new("mary") ]) end def test_render_partial_collection_as assert_equal "david david davidmary mary mary", @view.render(:partial => "test/customer_with_var", :collection => [ Customer.new("david"), Customer.new("mary") ], :as => :customer) end def test_render_partial_collection_without_as assert_equal "local_inspector,local_inspector_counter,object", @view.render(:partial => "test/local_inspector", :collection => [ Customer.new("mary") ]) end def test_render_partial_with_empty_collection_should_return_nil assert_nil @view.render(:partial => "test/customer", :collection => []) end def test_render_partial_with_nil_collection_should_return_nil assert_nil @view.render(:partial => "test/customer", :collection => nil) end def test_render_partial_with_empty_array_should_return_nil assert_nil @view.render(:partial => []) end # TODO: The reason for this test is unclear, improve documentation def test_render_partial_and_fallback_to_layout assert_equal "Before (Josh)\n\nAfter", @view.render(:partial => "test/layout_for_partial", :locals => { :name => "Josh" }) end # TODO: The reason for this test is unclear, improve documentation def test_render_js_partial_and_fallback_to_erb_layout @view.template_format = :js assert_equal "Before (Josh)\n\nAfter", @view.render(:partial => "test/layout_for_partial", :locals => { :name => "Josh" }) end # TODO: The reason for this test is unclear, improve documentation def test_render_missing_xml_partial_and_raise_missing_template @view.template_format = :xml assert_raise(ActionView::MissingTemplate) { @view.render(:partial => "test/layout_for_partial") } end def test_render_inline assert_equal "Hello, World!", @view.render(:inline => "Hello, World!") end def test_render_inline_with_locals assert_equal "Hello, Josh!", @view.render(:inline => "Hello, <%= name %>!", :locals => { :name => "Josh" }) end def test_render_fallbacks_to_erb_for_unknown_types assert_equal "Hello, World!", @view.render(:inline => "Hello, World!", :type => :foo) end CustomHandler = lambda do |template| "@output_buffer = ''\n" + "@output_buffer << 'source: #{template.source.inspect}'\n" end def test_render_inline_with_compilable_custom_type ActionView::Template.register_template_handler :foo, CustomHandler assert_equal 'source: "Hello, World!"', @view.render(:inline => "Hello, World!", :type => :foo) end def test_render_inline_with_locals_and_compilable_custom_type ActionView::Template.register_template_handler :foo, CustomHandler assert_equal 'source: "Hello, <%= name %>!"', @view.render(:inline => "Hello, <%= name %>!", :locals => { :name => "Josh" }, :type => :foo) end end