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require 'abstract_unit'
uses_mocha 'rescue' do
class RescueController < ActionController::Base
class NotAuthorized < StandardError
end
class NotAuthorizedToRescueAsString < StandardError
end
class RecordInvalid < StandardError
end
class RecordInvalidToRescueAsString < StandardError
end
class NotAllowed < StandardError
end
class NotAllowedToRescueAsString < StandardError
end
class InvalidRequest < StandardError
end
class InvalidRequestToRescueAsString < StandardError
end
class BadGateway < StandardError
end
class BadGatewayToRescueAsString < StandardError
end
class ResourceUnavailable < StandardError
end
class ResourceUnavailableToRescueAsString < StandardError
end
# We use a fully-qualified name in some strings, and a relative constant
# name in some other to test correct handling of both cases.
rescue_from NotAuthorized, :with => :deny_access
rescue_from 'RescueController::NotAuthorizedToRescueAsString', :with => :deny_access
rescue_from RecordInvalid, :with => :show_errors
rescue_from 'RescueController::RecordInvalidToRescueAsString', :with => :show_errors
rescue_from NotAllowed, :with => proc { head :forbidden }
rescue_from 'RescueController::NotAllowedToRescueAsString', :with => proc { head :forbidden }
rescue_from InvalidRequest, :with => proc { |exception| render :text => exception.message }
rescue_from 'InvalidRequestToRescueAsString', :with => proc { |exception| render :text => exception.message }
rescue_from BadGateway do
head :status => 502
end
rescue_from 'BadGatewayToRescueAsString' do
head :status => 502
end
rescue_from ResourceUnavailable do |exception|
render :text => exception.message
end
rescue_from 'ResourceUnavailableToRescueAsString' do |exception|
render :text => exception.message
end
# This is a Dispatcher exception and should be in ApplicationController.
rescue_from ActionController::RoutingError do
render :text => 'no way'
end
def raises
render :text => 'already rendered'
raise "don't panic!"
end
def method_not_allowed
raise ActionController::MethodNotAllowed.new(:get, :head, :put)
end
def not_implemented
raise ActionController::NotImplemented.new(:get, :put)
end
def not_authorized
raise NotAuthorized
end
def not_authorized_raise_as_string
raise NotAuthorizedToRescueAsString
end
def not_allowed
raise NotAllowed
end
def not_allowed_raise_as_string
raise NotAllowedToRescueAsString
end
def invalid_request
raise InvalidRequest
end
def invalid_request_raise_as_string
raise InvalidRequestToRescueAsString
end
def record_invalid
raise RecordInvalid
end
def record_invalid_raise_as_string
raise RecordInvalidToRescueAsString
end
def bad_gateway
raise BadGateway
end
def bad_gateway_raise_as_string
raise BadGatewayToRescueAsString
end
def resource_unavailable
raise ResourceUnavailable
end
def resource_unavailable_raise_as_string
raise ResourceUnavailableToRescueAsString
end
def missing_template
end
protected
def deny_access
head :forbidden
end
def show_errors(exception)
head :unprocessable_entity
end
end
class RescueTest < Test::Unit::TestCase
FIXTURE_PUBLIC = "#{File.dirname(__FILE__)}/../fixtures".freeze
def setup
@controller = RescueController.new
@request = ActionController::TestRequest.new
@response = ActionController::TestResponse.new
RescueController.consider_all_requests_local = true
@request.remote_addr = '1.2.3.4'
@request.host = 'example.com'
begin
raise 'foo'
rescue => @exception
end
end
def test_rescue_action_locally_if_all_requests_local
@controller.expects(:local_request?).never
@controller.expects(:rescue_action_locally).with(@exception)
@controller.expects(:rescue_action_in_public).never
with_all_requests_local do
@controller.send :rescue_action, @exception
end
end
def test_rescue_action_locally_if_remote_addr_is_localhost
@controller.expects(:local_request?).returns(true)
@controller.expects(:rescue_action_locally).with(@exception)
@controller.expects(:rescue_action_in_public).never
with_all_requests_local false do
@controller.send :rescue_action, @exception
end
end
def test_rescue_action_in_public_otherwise
@controller.expects(:local_request?).returns(false)
@controller.expects(:rescue_action_locally).never
@controller.expects(:rescue_action_in_public).with(@exception)
with_all_requests_local false do
@controller.send :rescue_action, @exception
end
end
def test_rescue_action_in_public_with_error_file
with_rails_root FIXTURE_PUBLIC do
with_all_requests_local false do
get :raises
end
end
assert_response :internal_server_error
body = File.read("#{FIXTURE_PUBLIC}/public/500.html")
assert_equal body, @response.body
end
def test_rescue_action_in_public_without_error_file
with_rails_root '/tmp' do
with_all_requests_local false do
get :raises
end
end
assert_response :internal_server_error
assert_equal ' ', @response.body
end
def test_rescue_unknown_action_in_public_with_error_file
with_rails_root FIXTURE_PUBLIC do
with_all_requests_local false do
get :foobar_doesnt_exist
end
end
assert_response :not_found
body = File.read("#{FIXTURE_PUBLIC}/public/404.html")
assert_equal body, @response.body
end
def test_rescue_unknown_action_in_public_without_error_file
with_rails_root '/tmp' do
with_all_requests_local false do
get :foobar_doesnt_exist
end
end
assert_response :not_found
assert_equal ' ', @response.body
end
def test_rescue_missing_template_in_public
with_rails_root FIXTURE_PUBLIC do
with_all_requests_local true do
get :missing_template
end
end
assert_response :internal_server_error
assert @response.body.include?('missing_template'), "Response should include the template name."
end
def test_rescue_action_locally
get :raises
assert_response :internal_server_error
assert_template 'diagnostics.erb'
assert @response.body.include?('RescueController#raises'), "Response should include controller and action."
assert @response.body.include?("don't panic"), "Response should include exception message."
end
def test_local_request_when_remote_addr_is_localhost
@controller.expects(:request).returns(@request).at_least_once
with_remote_addr '127.0.0.1' do
assert @controller.send(:local_request?)
end
end
def test_local_request_when_remote_addr_isnt_locahost
@controller.expects(:request).returns(@request)
with_remote_addr '1.2.3.4' do
assert !@controller.send(:local_request?)
end
end
def test_rescue_responses
responses = ActionController::Base.rescue_responses
assert_equal ActionController::Rescue::DEFAULT_RESCUE_RESPONSE, responses.default
assert_equal ActionController::Rescue::DEFAULT_RESCUE_RESPONSE, responses[Exception.new]
assert_equal :not_found, responses[ActionController::RoutingError.name]
assert_equal :not_found, responses[ActionController::UnknownAction.name]
assert_equal :not_found, responses['ActiveRecord::RecordNotFound']
assert_equal :conflict, responses['ActiveRecord::StaleObjectError']
assert_equal :unprocessable_entity, responses['ActiveRecord::RecordInvalid']
assert_equal :unprocessable_entity, responses['ActiveRecord::RecordNotSaved']
assert_equal :method_not_allowed, responses['ActionController::MethodNotAllowed']
assert_equal :not_implemented, responses['ActionController::NotImplemented']
end
def test_rescue_templates
templates = ActionController::Base.rescue_templates
assert_equal ActionController::Rescue::DEFAULT_RESCUE_TEMPLATE, templates.default
assert_equal ActionController::Rescue::DEFAULT_RESCUE_TEMPLATE, templates[Exception.new]
assert_equal 'missing_template', templates[ActionView::MissingTemplate.name]
assert_equal 'routing_error', templates[ActionController::RoutingError.name]
assert_equal 'unknown_action', templates[ActionController::UnknownAction.name]
assert_equal 'template_error', templates[ActionView::TemplateError.name]
end
def test_clean_backtrace
with_rails_root nil do
# No action if RAILS_ROOT isn't set.
cleaned = @controller.send(:clean_backtrace, @exception)
assert_equal @exception.backtrace, cleaned
end
with_rails_root Dir.pwd do
# RAILS_ROOT is removed from backtrace.
cleaned = @controller.send(:clean_backtrace, @exception)
expected = @exception.backtrace.map { |line| line.sub(RAILS_ROOT, '') }
assert_equal expected, cleaned
# No action if backtrace is nil.
assert_nil @controller.send(:clean_backtrace, Exception.new)
end
end
def test_not_implemented
with_all_requests_local false do
with_rails_public_path(".") do
head :not_implemented
end
end
assert_response :not_implemented
assert_equal "GET, PUT", @response.headers['Allow']
end
def test_method_not_allowed
with_all_requests_local false do
with_rails_public_path(".") do
get :method_not_allowed
end
end
assert_response :method_not_allowed
assert_equal "GET, HEAD, PUT", @response.headers['Allow']
end
def test_rescue_handler
get :not_authorized
assert_response :forbidden
end
def test_rescue_handler_string
get :not_authorized_raise_as_string
assert_response :forbidden
end
def test_rescue_handler_with_argument
@controller.expects(:show_errors).once.with { |e| e.is_a?(Exception) }
get :record_invalid
end
def test_rescue_handler_with_argument_as_string
@controller.expects(:show_errors).once.with { |e| e.is_a?(Exception) }
get :record_invalid_raise_as_string
end
def test_proc_rescue_handler
get :not_allowed
assert_response :forbidden
end
def test_proc_rescue_handler_as_string
get :not_allowed_raise_as_string
assert_response :forbidden
end
def test_proc_rescue_handle_with_argument
get :invalid_request
assert_equal "RescueController::InvalidRequest", @response.body
end
def test_proc_rescue_handle_with_argument_as_string
get :invalid_request_raise_as_string
assert_equal "RescueController::InvalidRequestToRescueAsString", @response.body
end
def test_block_rescue_handler
get :bad_gateway
assert_response 502
end
def test_block_rescue_handler_as_string
get :bad_gateway_raise_as_string
assert_response 502
end
def test_block_rescue_handler_with_argument
get :resource_unavailable
assert_equal "RescueController::ResourceUnavailable", @response.body
end
def test_block_rescue_handler_with_argument_as_string
get :resource_unavailable_raise_as_string
assert_equal "RescueController::ResourceUnavailableToRescueAsString", @response.body
end
def test_rescue_dispatcher_exceptions
RescueController.process_with_exception(@request, @response, ActionController::RoutingError.new("Route not found"))
assert_equal "no way", @response.body
end
protected
def with_all_requests_local(local = true)
old_local, ActionController::Base.consider_all_requests_local =
ActionController::Base.consider_all_requests_local, local
yield
ensure
ActionController::Base.consider_all_requests_local = old_local
end
def with_remote_addr(addr)
old_remote_addr, @request.remote_addr = @request.remote_addr, addr
yield
ensure
@request.remote_addr = old_remote_addr
end
def with_rails_public_path(rails_root)
old_rails = Object.const_get(:Rails) rescue nil
mod = Object.const_set(:Rails, Module.new)
(class << mod; self; end).instance_eval do
define_method(:public_path) { "#{rails_root}/public" }
end
yield
ensure
Object.module_eval { remove_const(:Rails) } if defined?(Rails)
Object.const_set(:Rails, old_rails) if old_rails
end
def with_rails_root(path = nil,&block)
old_rails_root = RAILS_ROOT if defined?(RAILS_ROOT)
if path
silence_warnings { Object.const_set(:RAILS_ROOT, path) }
else
Object.remove_const(:RAILS_ROOT) rescue nil
end
with_rails_public_path(path, &block)
ensure
if old_rails_root
silence_warnings { Object.const_set(:RAILS_ROOT, old_rails_root) }
else
Object.remove_const(:RAILS_ROOT) rescue nil
end
end
end
class ExceptionInheritanceRescueController < ActionController::Base
class ParentException < StandardError
end
class ChildException < ParentException
end
class GrandchildException < ChildException
end
rescue_from ChildException, :with => lambda { head :ok }
rescue_from ParentException, :with => lambda { head :created }
rescue_from GrandchildException, :with => lambda { head :no_content }
def raise_parent_exception
raise ParentException
end
def raise_child_exception
raise ChildException
end
def raise_grandchild_exception
raise GrandchildException
end
end
class ExceptionInheritanceRescueTest < Test::Unit::TestCase
def setup
@controller = ExceptionInheritanceRescueController.new
@request = ActionController::TestRequest.new
@response = ActionController::TestResponse.new
end
def test_bottom_first
get :raise_grandchild_exception
assert_response :no_content
end
def test_inheritance_works
get :raise_child_exception
assert_response :created
end
end
class ControllerInheritanceRescueController < ExceptionInheritanceRescueController
class FirstExceptionInChildController < StandardError
end
class SecondExceptionInChildController < StandardError
end
rescue_from FirstExceptionInChildController, 'SecondExceptionInChildController', :with => lambda { head :gone }
def raise_first_exception_in_child_controller
raise FirstExceptionInChildController
end
def raise_second_exception_in_child_controller
raise SecondExceptionInChildController
end
end
class ControllerInheritanceRescueControllerTest < Test::Unit::TestCase
def setup
@controller = ControllerInheritanceRescueController.new
@request = ActionController::TestRequest.new
@response = ActionController::TestResponse.new
end
def test_first_exception_in_child_controller
get :raise_first_exception_in_child_controller
assert_response :gone
end
def test_second_exception_in_child_controller
get :raise_second_exception_in_child_controller
assert_response :gone
end
def test_exception_in_parent_controller
get :raise_parent_exception
assert_response :created
end
end
end # uses_mocha
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