= Application( handlers, **options.group_dict('application')) Added in version 3.1. 6.7.5 tornado.testing — Unit testing support for asynchronous code Support classes for automated testing. • AsyncTestCase run with any test runner. The easiest way to run a test is via the command line: python -m tornado.testing tornado.test.web_test See the standard library unittest module for ways in which tests can be carriage return characters in HTTP headers. It had previously prohibited only linefeed characters. tornado.testing • AsyncTestCase subclasses can now be instantiated without being associated with a test method

Work with Future objects tornado.log — Logging support tornado.options — Command-line parsing tornado.testing — Unit testing support for asynchronous code tornado.util — General-purpose utilities Frequently OptionParser.items() OptionParser.as_dict() OptionParser.groups() OptionParser.group_dict() tornado.testing — Unit testing support for asynchronous codeAsynchronous test cases AsyncTestCase AsyncTestCase run with any test runner. The easiest way to run a test is via the command line: python -m tornado.testing tornado.test.web_test See the standard library unittest module for ways in which tests can