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Diffstat (limited to 'actionview/test/template/render_test.rb')
| -rw-r--r-- | actionview/test/template/render_test.rb | 543 |
1 files changed, 543 insertions, 0 deletions
diff --git a/actionview/test/template/render_test.rb b/actionview/test/template/render_test.rb new file mode 100644 index 0000000000..928dfb092d --- /dev/null +++ b/actionview/test/template/render_test.rb @@ -0,0 +1,543 @@ +# encoding: utf-8 +require 'abstract_unit' +require 'controller/fake_models' + +class TestController < ActionController::Base +end + +module RenderTestCases + def setup_view(paths) + @assigns = { :secret => 'in the sauce' } + @view = ActionView::Base.new(paths, @assigns) + @controller_view = TestController.new.view_context + + # Reload and register danish language for testing + I18n.reload! + I18n.backend.store_translations 'da', {} + I18n.backend.store_translations 'pt-BR', {} + + # Ensure original are still the same since we are reindexing view paths + assert_equal ORIGINAL_LOCALES, I18n.available_locales.map {|l| l.to_s }.sort + end + + def test_render_without_options + e = assert_raises(ArgumentError) { @view.render() } + assert_match "You invoked render but did not give any of :partial, :template, :inline, :file or :text option.", e.message + end + + def test_render_file + assert_equal "Hello world!", @view.render(:file => "test/hello_world") + end + + # Test if :formats, :locale etc. options are passed correctly to the resolvers. + def test_render_file_with_format + assert_match "<h1>No Comment</h1>", @view.render(:file => "comments/empty", :formats => [:html]) + assert_match "<error>No Comment</error>", @view.render(:file => "comments/empty", :formats => [:xml]) + assert_match "<error>No Comment</error>", @view.render(:file => "comments/empty", :formats => :xml) + end + + def test_render_template_with_format + assert_match "<h1>No Comment</h1>", @view.render(:template => "comments/empty", :formats => [:html]) + assert_match "<error>No Comment</error>", @view.render(:template => "comments/empty", :formats => [:xml]) + end + + def test_rendered_format_without_format + @view.render(:inline => "test") + assert_equal :html, @view.lookup_context.rendered_format + end + + def test_render_partial_implicitly_use_format_of_the_rendered_template + @view.lookup_context.formats = [:json] + assert_equal "Hello world", @view.render(:template => "test/one", :formats => [:html]) + end + + def test_render_partial_implicitly_use_format_of_the_rendered_partial + @view.lookup_context.formats = [:html] + assert_equal "Third level", @view.render(:template => "test/html_template") + end + + def test_render_partial_use_last_prepended_format_for_partials_with_the_same_names + @view.lookup_context.formats = [:html] + assert_equal "\nHTML Template, but JSON partial", @view.render(:template => "test/change_priority") + end + + def test_render_template_with_a_missing_partial_of_another_format + @view.lookup_context.formats = [:html] + assert_raise ActionView::Template::Error, "Missing partial /missing with {:locale=>[:en], :formats=>[:json], :handlers=>[:erb, :builder]}" do + @view.render(:template => "with_format", :formats => [:json]) + end + end + + def test_render_file_with_locale + assert_equal "<h1>Kein Kommentar</h1>", @view.render(:file => "comments/empty", :locale => [:de]) + assert_equal "<h1>Kein Kommentar</h1>", @view.render(:file => "comments/empty", :locale => :de) + end + + def test_render_template_with_locale + assert_equal "<h1>Kein Kommentar</h1>", @view.render(:template => "comments/empty", :locale => [:de]) + end + + def test_render_file_with_handlers + assert_equal "<h1>No Comment</h1>\n", @view.render(:file => "comments/empty", :handlers => [:builder]) + assert_equal "<h1>No Comment</h1>\n", @view.render(:file => "comments/empty", :handlers => :builder) + end + + def test_render_template_with_handlers + assert_equal "<h1>No Comment</h1>\n", @view.render(:template => "comments/empty", :handlers => [:builder]) + end + + def test_render_raw_template_with_handlers + assert_equal "<%= hello_world %>\n", @view.render(:template => "plain_text") + end + + def test_render_raw_template_with_quotes + assert_equal %q;Here are some characters: !@#$%^&*()-="'}{`; + "\n", @view.render(:template => "plain_text_with_characters") + end + + def test_render_ruby_template_with_handlers + assert_equal "Hello from Ruby code", @view.render(:template => "ruby_template") + end + + def test_render_ruby_template_inline + assert_equal '4', @view.render(:inline => "(2**2).to_s", :type => :ruby) + end + + def test_render_file_with_localization_on_context_level + old_locale, @view.locale = @view.locale, :da + assert_equal "Hey verden", @view.render(:file => "test/hello_world") + ensure + @view.locale = old_locale + end + + def test_render_file_with_dashed_locale + old_locale, @view.locale = @view.locale, :"pt-BR" + assert_equal "Ola mundo", @view.render(:file => "test/hello_world") + ensure + @view.locale = old_locale + end + + def test_render_file_at_top_level + assert_equal 'Elastica', @view.render(:file => '/shared') + end + + def test_render_file_with_full_path + template_path = File.join(File.dirname(__FILE__), '../fixtures/test/hello_world') + 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(:file => "test/render_file_with_ivar") + end + + def test_render_file_with_locals + locals = { :secret => 'in the sauce' } + assert_equal "The secret is in the sauce\n", @view.render(:file => "test/render_file_with_locals", :locals => 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(:file => "test/dot.directory/render_file_with_ivar") + end + + def test_render_partial_from_default + assert_equal "only partial", @view.render("test/partial_only") + 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_with_selected_format + assert_equal 'partial html', @view.render(:partial => 'test/partial', :formats => :html) + assert_equal 'partial js', @view.render(:partial => 'test/partial', :formats => [:js]) + end + + def test_render_partial_at_top_level + # file fixtures/_top_level_partial_only (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 (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_locals_from_default + assert_equal "only partial", @view.render("test/partial_only", :counter_counter => 5) + end + + def test_render_partial_with_invalid_name + e = assert_raises(ArgumentError) { @view.render(:partial => "test/200") } + assert_equal "The partial name (test/200) is not a valid Ruby identifier; " + + "make sure your partial name starts with a lowercase letter or underscore, " + + "and is followed by any combination of letters, numbers and underscores.", e.message + end + + def test_render_partial_with_missing_filename + e = assert_raises(ArgumentError) { @view.render(:partial => "test/") } + assert_equal "The partial name (test/) is not a valid Ruby identifier; " + + "make sure your partial name starts with a lowercase letter or underscore, " + + "and is followed by any combination of letters, numbers and underscores.", e.message + end + + def test_render_partial_with_incompatible_object + e = assert_raises(ArgumentError) { @view.render(:partial => nil) } + assert_equal "'#{nil.inspect}' is not an ActiveModel-compatible object. It must implement :to_partial_path.", e.message + end + + def test_render_partial_with_hyphen + e = assert_raises(ArgumentError) { @view.render(:partial => "test/a-in") } + assert_equal "The partial name (test/a-in) is not a valid Ruby identifier; " + + "make sure your partial name starts with a lowercase letter or underscore, " + + "and is followed by any combination of letters, numbers and underscores.", e.message + end + + def test_render_partial_with_errors + e = assert_raises(ActionView::Template::Error) { @view.render(:partial => "test/raise") } + assert_match %r!method.*doesnt_exist!, e.message + assert_equal "", e.sub_template_message + assert_equal "1", e.line_number + assert_equal "1: <%= doesnt_exist %>", e.annoted_source_code.strip + assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name + end + + def test_render_error_indentation + e = assert_raises(ActionView::Template::Error) { @view.render(:partial => "test/raise_indentation") } + error_lines = e.annoted_source_code.split("\n") + assert_match %r!error\shere!, e.message + assert_equal "11", e.line_number + assert_equal " 9: <p>Ninth paragraph</p>", error_lines.second + assert_equal " 10: <p>Tenth paragraph</p>", error_lines.third + end + + def test_render_sub_template_with_errors + e = assert_raises(ActionView::Template::Error) { @view.render(:template => "test/sub_template_raise") } + assert_match %r!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_file_with_errors + e = assert_raises(ActionView::Template::Error) { @view.render(:file => File.expand_path("test/_raise", FIXTURE_LOAD_PATH)) } + assert_match %r!method.*doesnt_exist!, e.message + assert_equal "", e.sub_template_message + assert_equal "1", e.line_number + assert_equal "1: <%= doesnt_exist %>", e.annoted_source_code.strip + assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name + end + + def test_render_object + assert_equal "Hello: david", @view.render(:partial => "test/customer", :object => Customer.new("david")) + end + + def test_render_object_with_array + assert_equal "[1, 2, 3]", @view.render(:partial => "test/object_inspector", :object => [1, 2, 3]) + 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_by_string + 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_as_by_symbol + 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", + @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_nil_values_in_collection + assert_equal "Hello: davidHello: Anonymous", @view.render(:partial => "test/customer", :collection => [ Customer.new("david"), nil ]) + end + + def test_render_partial_with_layout_using_collection_and_template + assert_equal "<b>Hello: Amazon</b><b>Hello: Yahoo</b>", @view.render(:partial => "test/customer", :layout => 'test/b_layout_for_partial', :collection => [ Customer.new("Amazon"), Customer.new("Yahoo") ]) + end + + def test_render_partial_with_layout_using_collection_and_template_makes_current_item_available_in_layout + assert_equal '<b class="amazon">Hello: Amazon</b><b class="yahoo">Hello: Yahoo</b>', + @view.render(:partial => "test/customer", :layout => 'test/b_layout_for_partial_with_object', :collection => [ Customer.new("Amazon"), Customer.new("Yahoo") ]) + end + + def test_render_partial_with_layout_using_collection_and_template_makes_current_item_counter_available_in_layout + assert_equal '<b data-counter="0">Hello: Amazon</b><b data-counter="1">Hello: Yahoo</b>', + @view.render(:partial => "test/customer", :layout => 'test/b_layout_for_partial_with_object_counter', :collection => [ Customer.new("Amazon"), Customer.new("Yahoo") ]) + end + + def test_render_partial_with_layout_using_object_and_template_makes_object_available_in_layout + assert_equal '<b class="amazon">Hello: Amazon</b>', + @view.render(:partial => "test/customer", :layout => 'test/b_layout_for_partial_with_object', :object => Customer.new("Amazon")) + end + + def test_render_partial_with_empty_array_should_return_nil + assert_nil @view.render(:partial => []) + end + + def test_render_partial_using_string + assert_equal "Hello: Anonymous", @controller_view.render('customer') + end + + def test_render_partial_with_locals_using_string + assert_equal "Hola: david", @controller_view.render('customer_greeting', :greeting => 'Hola', :customer_greeting => Customer.new("david")) + end + + def test_render_partial_using_object + assert_equal "Hello: lifo", + @controller_view.render(Customer.new("lifo"), :greeting => "Hello") + end + + def test_render_partial_using_collection + customers = [ Customer.new("Amazon"), Customer.new("Yahoo") ] + assert_equal "Hello: AmazonHello: Yahoo", + @controller_view.render(customers, :greeting => "Hello") + end + + def test_render_partial_without_object_or_collection_does_not_generate_partial_name_local_variable + exception = assert_raises ActionView::Template::Error do + @controller_view.render("partial_name_local_variable") + end + assert_match "undefined local variable or method `partial_name_local_variable'", exception.message + 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_missing_xml_partial_and_raise_missing_template + @view.formats = [:xml] + assert_raises(ActionView::MissingTemplate) { @view.render(:partial => "test/layout_for_partial") } + ensure + @view.formats = nil + end + + def test_render_layout_with_block_and_other_partial_inside + render = @view.render(:layout => "test/layout_with_partial_and_yield") { "Yield!" } + assert_equal "Before\npartial html\nYield!\nAfter\n", render + 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 => :bar) + end + + CustomHandler = lambda do |template| + "@output_buffer = ''\n" + + "@output_buffer << 'source: #{template.source.inspect}'\n" + end + + def test_render_inline_with_render_from_to_proc + ActionView::Template.register_template_handler :ruby_handler, :source.to_proc + assert_equal '3', @view.render(:inline => "(1 + 2).to_s", :type => :ruby_handler) + 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 + + def test_render_knows_about_types_registered_when_extensions_are_checked_earlier_in_initialization + ActionView::Template::Handlers.extensions + ActionView::Template.register_template_handler :foo, CustomHandler + assert ActionView::Template::Handlers.extensions.include?(:foo) + end + + def test_render_ignores_templates_with_malformed_template_handlers + ActiveSupport::Deprecation.silence do + %w(malformed malformed.erb malformed.html.erb malformed.en.html.erb).each do |name| + assert File.exists?(File.expand_path("#{FIXTURE_LOAD_PATH}/test/malformed/#{name}~")), "Malformed file (#{name}~) which should be ignored does not exists" + assert_raises(ActionView::MissingTemplate) { @view.render(:file => "test/malformed/#{name}") } + end + end + end + + def test_render_with_layout + assert_equal %(<title></title>\nHello world!\n), + @view.render(:file => "test/hello_world", :layout => "layouts/yield") + end + + def test_render_with_layout_which_has_render_inline + assert_equal %(welcome\nHello world!\n), + @view.render(:file => "test/hello_world", :layout => "layouts/yield_with_render_inline_inside") + end + + def test_render_with_layout_which_renders_another_partial + assert_equal %(partial html\nHello world!\n), + @view.render(:file => "test/hello_world", :layout => "layouts/yield_with_render_partial_inside") + end + + def test_render_layout_with_block_and_yield + assert_equal %(Content from block!\n), + @view.render(:layout => "layouts/yield_only") { "Content from block!" } + end + + def test_render_layout_with_block_and_yield_with_params + assert_equal %(Yield! Content from block!\n), + @view.render(:layout => "layouts/yield_with_params") { |param| "#{param} Content from block!" } + end + + def test_render_layout_with_block_which_renders_another_partial_and_yields + assert_equal %(partial html\nContent from block!\n), + @view.render(:layout => "layouts/partial_and_yield") { "Content from block!" } + end + + def test_render_partial_and_layout_without_block_with_locals + assert_equal %(Before (Foo!)\npartial html\nAfter), + @view.render(:partial => 'test/partial', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'}) + end + + def test_render_partial_and_layout_without_block_with_locals_and_rendering_another_partial + assert_equal %(Before (Foo!)\npartial html\npartial with partial\n\nAfter), + @view.render(:partial => 'test/partial_with_partial', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'}) + end + + def test_render_layout_with_a_nested_render_layout_call + assert_equal %(Before (Foo!)\nBefore (Bar!)\npartial html\nAfter\npartial with layout\n\nAfter), + @view.render(:partial => 'test/partial_with_layout', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'}) + end + + def test_render_layout_with_a_nested_render_layout_call_using_block_with_render_partial + assert_equal %(Before (Foo!)\nBefore (Bar!)\n\n partial html\n\nAfterpartial with layout\n\nAfter), + @view.render(:partial => 'test/partial_with_layout_block_partial', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'}) + end + + def test_render_layout_with_a_nested_render_layout_call_using_block_with_render_content + assert_equal %(Before (Foo!)\nBefore (Bar!)\n\n Content from inside layout!\n\nAfterpartial with layout\n\nAfter), + @view.render(:partial => 'test/partial_with_layout_block_content', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'}) + end + + def test_render_partial_with_layout_raises_descriptive_error + e = assert_raises(ActionView::MissingTemplate) { @view.render(partial: 'test/partial', layout: true) } + assert_match "Missing partial /true with", e.message + end + + def test_render_with_nested_layout + assert_equal %(<title>title</title>\n\n<div id="column">column</div>\n<div id="content">content</div>\n), + @view.render(:file => "test/nested_layout", :layout => "layouts/yield") + end + + def test_render_with_file_in_layout + assert_equal %(\n<title>title</title>\n\n), + @view.render(:file => "test/layout_render_file") + end + + def test_render_layout_with_object + assert_equal %(<title>David</title>), + @view.render(:file => "test/layout_render_object") + end + + def test_render_with_passing_couple_extensions_to_one_register_template_handler_function_call + ActionView::Template.register_template_handler :foo1, :foo2, CustomHandler + assert_equal @view.render(:inline => "Hello, World!", :type => :foo1), @view.render(:inline => "Hello, World!", :type => :foo2) + end + + def test_render_throws_exception_when_no_extensions_passed_to_register_template_handler_function_call + assert_raises(ArgumentError) { ActionView::Template.register_template_handler CustomHandler } + end +end + +class CachedViewRenderTest < ActiveSupport::TestCase + include RenderTestCases + + # Ensure view path cache is primed + def setup + view_paths = ActionController::Base.view_paths + assert_equal ActionView::OptimizedFileSystemResolver, view_paths.first.class + setup_view(view_paths) + end + + def teardown + GC.start + end +end + +class LazyViewRenderTest < ActiveSupport::TestCase + include RenderTestCases + + # Test the same thing as above, but make sure the view path + # is not eager loaded + def setup + path = ActionView::FileSystemResolver.new(FIXTURE_LOAD_PATH) + view_paths = ActionView::PathSet.new([path]) + assert_equal ActionView::FileSystemResolver.new(FIXTURE_LOAD_PATH), view_paths.first + setup_view(view_paths) + end + + def teardown + GC.start + end + + def test_render_utf8_template_with_magic_comment + with_external_encoding Encoding::ASCII_8BIT do + result = @view.render(:file => "test/utf8_magic", :formats => [:html], :layouts => "layouts/yield") + assert_equal Encoding::UTF_8, result.encoding + assert_equal "\nРусский \nтекст\n\nUTF-8\nUTF-8\nUTF-8\n", result + end + end + + def test_render_utf8_template_with_default_external_encoding + with_external_encoding Encoding::UTF_8 do + result = @view.render(:file => "test/utf8", :formats => [:html], :layouts => "layouts/yield") + assert_equal Encoding::UTF_8, result.encoding + assert_equal "Русский текст\n\nUTF-8\nUTF-8\nUTF-8\n", result + end + end + + def test_render_utf8_template_with_incompatible_external_encoding + with_external_encoding Encoding::SHIFT_JIS do + e = assert_raises(ActionView::Template::Error) { @view.render(:file => "test/utf8", :formats => [:html], :layouts => "layouts/yield") } + assert_match 'Your template was not saved as valid Shift_JIS', e.original_exception.message + end + end + + def test_render_utf8_template_with_partial_with_incompatible_encoding + with_external_encoding Encoding::SHIFT_JIS do + e = assert_raises(ActionView::Template::Error) { @view.render(:file => "test/utf8_magic_with_bare_partial", :formats => [:html], :layouts => "layouts/yield") } + assert_match 'Your template was not saved as valid Shift_JIS', e.original_exception.message + end + end + + def with_external_encoding(encoding) + old = Encoding.default_external + silence_warnings { Encoding.default_external = encoding } + yield + ensure + silence_warnings { Encoding.default_external = old } + end +end |