require 'abstract_unit' module ShowExceptions class ShowExceptionsController < ActionController::Base use ActionDispatch::ShowExceptions, ActionDispatch::PublicExceptions.new("#{FIXTURE_LOAD_PATH}/public") use ActionDispatch::DebugExceptions before_action only: :another_boom do request.env["action_dispatch.show_detailed_exceptions"] = true end def boom raise 'boom!' end def another_boom raise 'boom!' end def show_detailed_exceptions? request.local? end end class ShowExceptionsTest < ActionDispatch::IntegrationTest test 'show error page from a remote ip' do @app = ShowExceptionsController.action(:boom) self.remote_addr = '208.77.188.166' get '/' assert_equal "500 error fixture\n", body end test 'show diagnostics from a local ip if show_detailed_exceptions? is set to request.local?' do @app = ShowExceptionsController.action(:boom) ['127.0.0.1', '127.0.0.127', '127.12.1.1', '::1', '0:0:0:0:0:0:0:1', '0:0:0:0:0:0:0:1%0'].each do |ip_address| self.remote_addr = ip_address get '/' assert_match(/boom/, body) end end test 'show diagnostics from a remote ip when env is already set' do @app = ShowExceptionsController.action(:another_boom) self.remote_addr = '208.77.188.166' get '/' assert_match(/boom/, body) end end class ShowExceptionsOverriddenController < ShowExceptionsController private def show_detailed_exceptions? params['detailed'] == '1' end end class ShowExceptionsOverriddenTest < ActionDispatch::IntegrationTest test 'show error page' do @app = ShowExceptionsOverriddenController.action(:boom) get '/', params: { 'detailed' => '0' } assert_equal "500 error fixture\n", body end test 'show diagnostics message' do @app = ShowExceptionsOverriddenController.action(:boom) get '/', params: { 'detailed' => '1' } assert_match(/boom/, body) end end class ShowExceptionsFormatsTest < ActionDispatch::IntegrationTest def test_render_json_exception @app = ShowExceptionsOverriddenController.action(:boom) get "/", headers: { 'HTTP_ACCEPT' => 'application/json' } assert_response :internal_server_error assert_equal 'application/json', response.content_type.to_s assert_equal({ :status => '500', :error => 'Internal Server Error' }.to_json, response.body) end def test_render_xml_exception @app = ShowExceptionsOverriddenController.action(:boom) get "/", headers: { 'HTTP_ACCEPT' => 'application/xml' } assert_response :internal_server_error assert_equal 'application/xml', response.content_type.to_s assert_equal({ :status => '500', :error => 'Internal Server Error' }.to_xml, response.body) end def test_render_fallback_exception @app = ShowExceptionsOverriddenController.action(:boom) get "/", headers: { 'HTTP_ACCEPT' => 'text/csv' } assert_response :internal_server_error assert_equal 'text/html', response.content_type.to_s end end class ShowFailsafeExceptionsTest < ActionDispatch::IntegrationTest def test_render_failsafe_exception @app = ShowExceptionsOverriddenController.action(:boom) @exceptions_app = @app.instance_variable_get(:@exceptions_app) @app.instance_variable_set(:@exceptions_app, nil) $stderr = StringIO.new get '/', headers: { 'HTTP_ACCEPT' => 'text/json' } assert_response :internal_server_error assert_equal 'text/plain', response.content_type.to_s ensure @app.instance_variable_set(:@exceptions_app, @exceptions_app) $stderr = STDERR end end end