require 'abstract_unit' require 'active_support/core_ext/class/removal' module AbstractControllerTests module Layouts # Base controller for these tests class Base < AbstractController::Base include AbstractController::RenderingController include AbstractController::Layouts self.view_paths = [ActionView::FixtureResolver.new( "layouts/hello.erb" => "With String <%= yield %>", "layouts/hello_override.erb" => "With Override <%= yield %>", "layouts/abstract_controller_tests/layouts/with_string_implied_child.erb" => "With Implied <%= yield %>", "layouts/omg.erb" => "OMGHI2U <%= yield %>", "layouts/with_false_layout.erb" => "False Layout <%= yield %>" )] end class Blank < Base self.view_paths = [] def index render :_template => ActionView::TextTemplate.new("Hello blank!") end end class WithString < Base layout "hello" def index render :_template => ActionView::TextTemplate.new("Hello string!") end def overwrite_default render :_template => ActionView::TextTemplate.new("Hello string!"), :layout => :default end def overwrite_false render :_template => ActionView::TextTemplate.new("Hello string!"), :layout => false end def overwrite_string render :_template => ActionView::TextTemplate.new("Hello string!"), :layout => "omg" end def overwrite_skip render :text => "Hello text!" end end class WithStringChild < WithString end class WithStringOverriddenChild < WithString layout "hello_override" end class WithNilChild < WithString layout nil end class WithStringImpliedChild < WithString end class WithChildOfImplied < WithStringImpliedChild end class WithSymbol < Base layout :hello def index render :_template => ActionView::TextTemplate.new("Hello symbol!") end private def hello "omg" end end class WithSymbolReturningString < Base layout :no_hello def index render :_template => ActionView::TextTemplate.new("Hello missing symbol!") end private def no_hello nil end end class WithSymbolReturningNil < Base layout :nilz def index render :_template => ActionView::TextTemplate.new("Hello nilz!") end def nilz() end end class WithSymbolReturningObj < Base layout :objekt def index render :_template => ActionView::TextTemplate.new("Hello nilz!") end def objekt Object.new end end class WithSymbolAndNoMethod < Base layout :omg_no_method def index render :_template => ActionView::TextTemplate.new("Hello boom!") end end class WithMissingLayout < Base layout "missing" def index render :_template => ActionView::TextTemplate.new("Hello missing!") end end class WithFalseLayout < Base layout false def index render :_template => ActionView::TextTemplate.new("Hello false!") end end class WithNilLayout < Base layout nil def index render :_template => ActionView::TextTemplate.new("Hello nil!") end end class TestBase < ActiveSupport::TestCase test "when no layout is specified, and no default is available, render without a layout" do controller = Blank.new controller.process(:index) assert_equal "Hello blank!", controller.response_body end test "when layout is specified as a string, render with that layout" do controller = WithString.new controller.process(:index) assert_equal "With String Hello string!", controller.response_body end test "when layout is overwriten by :default in render, render default layout" do controller = WithString.new controller.process(:overwrite_default) assert_equal "With String Hello string!", controller.response_body end test "when layout is overwriten by string in render, render new layout" do controller = WithString.new controller.process(:overwrite_string) assert_equal "OMGHI2U Hello string!", controller.response_body end test "when layout is overwriten by false in render, render no layout" do controller = WithString.new controller.process(:overwrite_false) assert_equal "Hello string!", controller.response_body end test "when text is rendered, render no layout" do controller = WithString.new controller.process(:overwrite_skip) assert_equal "Hello text!", controller.response_body end test "when layout is specified as a string, but the layout is missing, raise an exception" do assert_raises(ActionView::MissingTemplate) { WithMissingLayout.new.process(:index) } end test "when layout is specified as false, do not use a layout" do controller = WithFalseLayout.new controller.process(:index) assert_equal "Hello false!", controller.response_body end test "when layout is specified as nil, do not use a layout" do controller = WithNilLayout.new controller.process(:index) assert_equal "Hello nil!", controller.response_body end test "when layout is specified as a symbol, call the requested method and use the layout returned" do controller = WithSymbol.new controller.process(:index) assert_equal "OMGHI2U Hello symbol!", controller.response_body end test "when layout is specified as a symbol and the method returns nil, don't use a layout" do controller = WithSymbolReturningNil.new controller.process(:index) assert_equal "Hello nilz!", controller.response_body end test "when the layout is specified as a symbol and the method doesn't exist, raise an exception" do assert_raises(NoMethodError, /:nilz/) { WithSymbolAndNoMethod.new.process(:index) } end test "when the layout is specified as a symbol and the method returns something besides a string/false/nil, raise an exception" do assert_raises(ArgumentError) { WithSymbolReturningObj.new.process(:index) } end test "when a child controller does not have a layout, use the parent controller layout" do controller = WithStringChild.new controller.process(:index) assert_equal "With String Hello string!", controller.response_body end test "when a child controller has specified a layout, use that layout and not the parent controller layout" do controller = WithStringOverriddenChild.new controller.process(:index) assert_equal "With Override Hello string!", controller.response_body end test "when a child controller has an implied layout, use that layout and not the parent controller layout" do controller = WithStringImpliedChild.new controller.process(:index) assert_equal "With Implied Hello string!", controller.response_body end test "when a child controller specifies layout nil, do not use the parent layout" do controller = WithNilChild.new controller.process(:index) assert_equal "Hello string!", controller.response_body end test "when a grandchild has no layout specified, the child has an implied layout, and the " \ "parent has specified a layout, use the child controller layout" do controller = WithChildOfImplied.new controller.process(:index) assert_equal "With Implied Hello string!", controller.response_body end test "raises an exception when specifying layout true" do assert_raises ArgumentError do Object.class_eval do class ::BadOmgFailLolLayout < AbstractControllerTests::Layouts::Base layout true end end end end end end end