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Diffstat (limited to 'actionpack/test/abstract_controller/layouts_test.rb')
-rw-r--r-- | actionpack/test/abstract_controller/layouts_test.rb | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/actionpack/test/abstract_controller/layouts_test.rb b/actionpack/test/abstract_controller/layouts_test.rb new file mode 100644 index 0000000000..5dd68ec28e --- /dev/null +++ b/actionpack/test/abstract_controller/layouts_test.rb @@ -0,0 +1,232 @@ +require File.join(File.expand_path(File.dirname(__FILE__)), "test_helper") + +module AbstractControllerTests + module Layouts + + # Base controller for these tests + class Base < AbstractController::Base + use AbstractController::Renderer + use AbstractController::Layouts + + self.view_paths = [ActionView::FixtureTemplate::FixturePath.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 %>" + )] + + def self.controller_path + @controller_path ||= self.name.sub(/Controller$/, '').underscore + end + + def controller_path() self.class.controller_path end + + def render_to_string(options) + options[:_layout] = _default_layout + super + end + 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 + 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 + + # TODO Move to bootloader + AbstractController::Base.subclasses.each do |klass| + klass = klass.constantize + next unless klass < AbstractController::Layouts + klass.class_eval do + _write_layout_method + end + end + + class TestBase < ActiveSupport::TestCase + test "when no layout is specified, and no default is available, render without a layout" do + result = Blank.process(:index) + assert_equal "Hello blank!", result.response_obj[:body] + end + + test "when layout is specified as a string, render with that layout" do + result = WithString.process(:index) + assert_equal "With String Hello string!", result.response_obj[:body] + end + + test "when layout is specified as a string, but the layout is missing, raise an exception" do + assert_raises(ActionView::MissingTemplate) { WithMissingLayout.process(:index) } + end + + test "when layout is specified as false, do not use a layout" do + result = WithFalseLayout.process(:index) + assert_equal "Hello false!", result.response_obj[:body] + end + + test "when layout is specified as nil, do not use a layout" do + result = WithNilLayout.process(:index) + assert_equal "Hello nil!", result.response_obj[:body] + end + + test "when layout is specified as a symbol, call the requested method and use the layout returned" do + result = WithSymbol.process(:index) + assert_equal "OMGHI2U Hello symbol!", result.response_obj[:body] + end + + test "when layout is specified as a symbol and the method returns nil, don't use a layout" do + result = WithSymbolReturningNil.process(:index) + assert_equal "Hello nilz!", result.response_obj[: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.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.process(:index) } + end + + test "when a child controller does not have a layout, use the parent controller layout" do + result = WithStringChild.process(:index) + assert_equal "With String Hello string!", result.response_obj[:body] + end + + test "when a child controller has specified a layout, use that layout and not the parent controller layout" do + result = WithStringOverriddenChild.process(:index) + assert_equal "With Override Hello string!", result.response_obj[:body] + end + + test "when a child controller has an implied layout, use that layout and not the parent controller layout" do + result = WithStringImpliedChild.process(:index) + assert_equal "With Implied Hello string!", result.response_obj[:body] + end + + test "when a child controller specifies layout nil, do not use the parent layout" do + result = WithNilChild.process(:index) + assert_equal "Hello string!", result.response_obj[: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 + result = WithChildOfImplied.process(:index) + assert_equal "With Implied Hello string!", result.response_obj[:body] + end + + test "raises an exception when specifying layout true" do + assert_raises ArgumentError do + Object.class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1 + class ::BadOmgFailLolLayout < AbstractControllerTests::Layouts::Base + layout true + end + RUBY_EVAL + end + end + end + end +end
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