require 'abstract_unit'
uses_mocha 'dispatcher tests' do
require 'action_controller/dispatcher'
class DispatcherTest < Test::Unit::TestCase
Dispatcher = ActionController::Dispatcher
def setup
@output = StringIO.new
ENV['REQUEST_METHOD'] = 'GET'
Dispatcher.instance_variable_set("@prepare_dispatch_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
@dispatcher = Dispatcher.new(@output)
end
def teardown
ENV.delete 'REQUEST_METHOD'
end
def test_clears_dependencies_after_dispatch_if_in_loading_mode
Dependencies.stubs(:load?).returns(true)
ActionController::Routing::Routes.expects(:reload).once
Dependencies.expects(:clear).once
dispatch
end
def test_leaves_dependencies_after_dispatch_if_not_in_loading_mode
Dependencies.stubs(:load?).returns(false)
ActionController::Routing::Routes.expects(:reload).never
Dependencies.expects(:clear).never
dispatch
end
# Stub out dispatch error logger
class << Dispatcher
def log_failsafe_exception(status, exception); end
end
def test_failsafe_response
CGI.expects(:new).raises('some multipart parsing failure')
Dispatcher.expects(:log_failsafe_exception)
assert_nothing_raised { dispatch }
assert_equal "Status: 400 Bad Request\r\nContent-Type: text/html\r\n\r\n<html><body><h1>400 Bad Request</h1></body></html>", @output.string
end
def test_reload_application_sets_unprepared_if_loading_dependencies
Dependencies.stubs(:load?).returns(false)
ActionController::Routing::Routes.expects(:reload).never
@dispatcher.unprepared = false
@dispatcher.send!(:reload_application)
assert !@dispatcher.unprepared
Dependencies.stubs(:load?).returns(true)
ActionController::Routing::Routes.expects(:reload).once
@dispatcher.send!(:reload_application)
assert @dispatcher.unprepared
end
def test_prepare_application_runs_callbacks_if_unprepared
a = b = c = nil
Dispatcher.to_prepare { |*args| a = b = c = 1 }
Dispatcher.to_prepare { |*args| b = c = 2 }
Dispatcher.to_prepare { |*args| c = 3 }
# Skip the callbacks when already prepared.
@dispatcher.unprepared = false
@dispatcher.send! :prepare_application
assert_nil a || b || c
# Perform the callbacks when unprepared.
@dispatcher.unprepared = true
@dispatcher.send! :prepare_application
assert_equal 1, a
assert_equal 2, b
assert_equal 3, c
# But when not :load, make sure they are only run once
a = b = c = nil
@dispatcher.send! :prepare_application
assert_nil a || b || c
end
def test_to_prepare_with_identifier_replaces
a = b = nil
Dispatcher.to_prepare(:unique_id) { |*args| a = b = 1 }
Dispatcher.to_prepare(:unique_id) { |*args| a = 2 }
@dispatcher.unprepared = true
@dispatcher.send! :prepare_application
assert_equal 2, a
assert_equal nil, b
end
def test_to_prepare_only_runs_once_if_not_loading_dependencies
Dependencies.stubs(:load?).returns(false)
called = 0
Dispatcher.to_prepare(:unprepared_test) { |*args| called += 1 }
2.times { dispatch }
assert_equal 1, called
end
private
def dispatch(output = @output)
controller = mock
controller.stubs(:process).returns(controller)
controller.stubs(:out).with(output).returns('response')
ActionController::Routing::Routes.stubs(:recognize).returns(controller)
Dispatcher.dispatch(nil, {}, output)
end
def assert_subclasses(howmany, klass, message = klass.subclasses.inspect)
assert_equal howmany, klass.subclasses.size, message
end
end
end
) is private.
