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rails--rails/actionpack/test/abstract/layouts_test.rb

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8.4 KiB
Ruby

require 'abstract_unit'
module AbstractControllerTests
module Layouts
# Base controller for these tests
class Base < AbstractController::Base
include AbstractController::Rendering
include AbstractController::Layouts
self.view_paths = [ActionView::FixtureResolver.new(
"layouts/hello.erb" => "With String <%= yield %>",
"layouts/hello_override.erb" => "With Override <%= yield %>",
"layouts/overwrite.erb" => "Overwrite <%= yield %>",
"layouts/with_false_layout.erb" => "False Layout <%= yield %>",
"abstract_controller_tests/layouts/with_string_implied_child.erb" =>
"With Implied <%= yield %>"
)]
end
class Blank < Base
self.view_paths = []
def index
render :template => ActionView::Template::Text.new("Hello blank!")
end
end
class WithString < Base
layout "hello"
def index
render :template => ActionView::Template::Text.new("Hello string!")
end
def overwrite_default
render :template => ActionView::Template::Text.new("Hello string!"), :layout => :default
end
def overwrite_false
render :template => ActionView::Template::Text.new("Hello string!"), :layout => false
end
def overwrite_string
render :template => ActionView::Template::Text.new("Hello string!"), :layout => "overwrite"
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 WithProc < Base
layout proc { |c| "overwrite" }
def index
render :template => ActionView::Template::Text.new("Hello proc!")
end
end
class WithSymbol < Base
layout :hello
def index
render :template => ActionView::Template::Text.new("Hello symbol!")
end
private
def hello
"overwrite"
end
end
class WithSymbolReturningString < Base
layout :no_hello
def index
render :template => ActionView::Template::Text.new("Hello missing symbol!")
end
private
def no_hello
nil
end
end
class WithSymbolReturningNil < Base
layout :nilz
def index
render :template => ActionView::Template::Text.new("Hello nilz!")
end
def nilz() end
end
class WithSymbolReturningObj < Base
layout :objekt
def index
render :template => ActionView::Template::Text.new("Hello nilz!")
end
def objekt
Object.new
end
end
class WithSymbolAndNoMethod < Base
layout :no_method
def index
render :template => ActionView::Template::Text.new("Hello boom!")
end
end
class WithMissingLayout < Base
layout "missing"
def index
render :template => ActionView::Template::Text.new("Hello missing!")
end
end
class WithFalseLayout < Base
layout false
def index
render :template => ActionView::Template::Text.new("Hello false!")
end
end
class WithNilLayout < Base
layout nil
def index
render :template => ActionView::Template::Text.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 "Overwrite 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 proc, call it and use the layout returned" do
controller = WithProc.new
controller.process(:index)
assert_equal "Overwrite Hello proc!", 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 "Overwrite 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) { 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 ::BadFailLayout < AbstractControllerTests::Layouts::Base
layout true
end
end
end
end
end
end
end