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a _�h-v � @ s� d Z ddlZddlmZ ddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl Z ddl mZ ddlmZmZ ddlmZ ddlmZmZ ddl mZ dd lmZ dd lmZ dd l m Z dd l m Z m Z dd l!m"Z" ddl#Z#ddl#m$Z$m%Z%m&Z&m'Z'm(Z(m)Z)m*Z* ddl+m,Z, e#j-�rNddl#m.Z. e$e*e'e/ e*e/ e*e, f Z0eZ1d1e2e$e j e3f d�dd�Z4e5d�dd�Z6G dd� de7�Z8G dd� de j9�Z:G d d � d e:�Z;G d d � d e;�Z<e#j=dd �e5e&e&d!e)ed"f f ge&d# f d$�d%d&��Z>e#j=e&d!e)ed"f f e&d# d'�d(d&��Z>d2e&d!e)ed"f f e5e)e&d# e&e&d!e)ed"f f ge&d# f f d)�d*d&�Z>de>_?G d+d,� d,ej@�ZAe%dd-�d.d/�ZBeCd0k�r�eB� dS )3a� Support classes for automated testing. * `AsyncTestCase` and `AsyncHTTPTestCase`: Subclasses of unittest.TestCase with additional support for testing asynchronous (`.IOLoop`-based) code. * `ExpectLog`: Make test logs less spammy. * `main()`: A simple test runner (wrapper around unittest.main()) with support for the tornado.autoreload module to rerun the tests when code changes. � N)� Generator)�gen)�AsyncHTTPClient� HTTPResponse)� HTTPServer)�IOLoop� TimeoutError)�netutil)�AsyncIOMainLoop)� Subprocess)�app_log)�raise_exc_info�basestring_type)� Application)�Tuple�Any�Callable�Type�Dict�Union�Optional)� TracebackType)� CoroutineF)� reuse_port�returnc C s, t jddtj| d�d }|�� d }||fS )z�Binds a server socket to an available port on localhost. 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This is mainly used to detect undecorated generators (if a test method yields it must use a decorator to consume the generator), but will also detect other kinds of return values (these are not necessarily errors, but we alert anyway since there is no good reason to return a value from a test). N)� orig_methodr c C s || _ d S �N)r/ )�selfr/ r" r" r# �__init__^ s z_TestMethodWrapper.__init__)�args�kwargsr c O sF | j |i |��}t|t�s$t�|�r.td��n|d urBtd| ��d S )NzVGenerator and coroutine test methods should be decorated with tornado.testing.gen_testz)Return value from test method ignored: %r)r/ � isinstancer �inspect� iscoroutine� TypeErrorr+ �r1 r3 r4 �resultr" r" r# �__call__a s �z_TestMethodWrapper.__call__)�namer c C s t | j|�S )z�Proxy all unknown attributes to the original method. This is important for some of the decorators in the `unittest` module, such as `unittest.skipIf`. )�getattrr/ )r1 r< r" r" r# � __getattr__k s z _TestMethodWrapper.__getattr__) �__name__� __module__� __qualname__�__doc__r r2 r r; �strr> r" r" r" r# r. T s r. c s� e Zd ZdZd edd�� fdd� Zdd�� fdd � Zdd�� fd d � Zed�d d �Z e e e e e d�dd�Zdd�dd�Zd ejejd�� fdd� Zd eedd�dd�Zd ede f edd�dd �Z� ZS )!� AsyncTestCasea� `~unittest.TestCase` subclass for testing `.IOLoop`-based asynchronous code. The unittest framework is synchronous, so the test must be complete by the time the test method returns. This means that asynchronous code cannot be used in quite the same way as usual and must be adapted to fit. To write your tests with coroutines, decorate your test methods with `tornado.testing.gen_test` instead of `tornado.gen.coroutine`. This class also provides the (deprecated) `stop()` and `wait()` methods for a more manual style of testing. The test method itself must call ``self.wait()``, and asynchronous callbacks should call ``self.stop()`` to signal completion. By default, a new `.IOLoop` is constructed for each test and is available as ``self.io_loop``. If the code being tested requires a global `.IOLoop`, subclasses should override `get_new_ioloop` to return it. The `.IOLoop`'s ``start`` and ``stop`` methods should not be called directly. Instead, use `self.stop <stop>` and `self.wait <wait>`. Arguments passed to ``self.stop`` are returned from ``self.wait``. It is possible to have multiple ``wait``/``stop`` cycles in the same test. Example:: # This test uses coroutine style. class MyTestCase(AsyncTestCase): @tornado.testing.gen_test def test_http_fetch(self): client = AsyncHTTPClient() response = yield client.fetch("http://www.tornadoweb.org") # Test contents of response self.assertIn("FriendFeed", response.body) # This test uses argument passing between self.stop and self.wait. class MyTestCase2(AsyncTestCase): def test_http_fetch(self): client = AsyncHTTPClient() client.fetch("http://www.tornadoweb.org/", self.stop) response = self.wait() # Test contents of response self.assertIn("FriendFeed", response.body) �runTestN)� methodNamer c sN t t| ��|� d| _d| _d | _d | _d | _t| |t t | |��� d | _ d S )NF) �superrD r2 �_AsyncTestCase__stopped�_AsyncTestCase__running�_AsyncTestCase__failure�_AsyncTestCase__stop_args�_AsyncTestCase__timeout�setattrr. r= �_test_generator)r1 rF �� __class__r" r# r2 � s zAsyncTestCase.__init__r% c s& t t| ��� | �� | _| j�� d S r0 )rG rD �setUp�get_new_ioloop�io_loopZ make_current�r1 rO r" r# rQ � s zAsyncTestCase.setUpc s� | j j}ttd�r t�|�� n tj�|�� dd� � D �� � D ] }|�� q<� r�| j �� fdd��\}}|rnJ �|D ]&}z |�� W qr tj y� Y qr0 qrt � � | j � � t | j t�s�| j jdd� tt| ��� | �� d S )N� all_tasksc S s g | ]}|� � s|�qS r" )�done)�.0�tr" r" r# � <listcomp>� � z*AsyncTestCase.tearDown.<locals>.<listcomp>c s t �� �S r0 )�asyncio�waitr" ��tasksr" r# �<lambda>� rZ z(AsyncTestCase.tearDown.<locals>.<lambda>T)Zall_fds)rS � asyncio_loop�hasattrr[ rU �Task�cancel�run_syncr: ZCancelledErrorr Z uninitializeZ clear_currentr5 �_NON_OWNED_IOLOOPS�closerG rD �tearDown�_AsyncTestCase__rethrow)r1 r` rX rV �pending�frO r] r# rg � s* zAsyncTestCase.tearDownc C s t � S )a� Returns the `.IOLoop` to use for this test. By default, a new `.IOLoop` is created for each test. Subclasses may override this method to return `.IOLoop.current()` if it is not appropriate to use a new `.IOLoop` in each tests (for example, if there are global singletons using the default `.IOLoop`) or if a per-test event loop is being provided by another system (such as ``pytest-asyncio``). )r rT r" r" r# rR � s z AsyncTestCase.get_new_ioloop��typ�value�tbr c C s8 | j d u r|||f| _ ntjd|||fd� | �� dS )Nz%multiple unhandled exceptions in test)�exc_infoT)rJ r �error�stop�r1 rl rm rn r" r" r# �_handle_exception� s �z AsyncTestCase._handle_exceptionc C s" | j d ur | j }d | _ t|� d S r0 )rJ r )r1 Zfailurer" r" r# Z __rethrow s zAsyncTestCase.__rethrow)r: r c s t t| ��|�}| �� |S r0 )rG rD �runrh )r1 r: �retrO r" r# rt s zAsyncTestCase.run)�_argr4 r c K s: |du s|rJ �|p|| _ | jr0| j�� d| _d| _dS )aI Stops the `.IOLoop`, causing one pending (or future) call to `wait()` to return. Keyword arguments or a single positional argument passed to `stop()` are saved and will be returned by `wait()`. .. deprecated:: 5.1 `stop` and `wait` are deprecated; use ``@gen_test`` instead. NFT)rK rI rS rq rH )r1 rv r4 r" r" r# rq s zAsyncTestCase.stop.)� condition�timeoutr c s� �du rt � �� js��rFdd�� �fdd� }� j�� j�� � |�� _d� _� j�� � jdusr|du sr|� rFqrqF� jdur�� j� � j� d� _� js�J �d� _� � � � j }d� _ |S )a� Runs the `.IOLoop` until stop is called or timeout has passed. In the event of a timeout, an exception will be thrown. The default timeout is 5 seconds; it may be overridden with a ``timeout`` keyword argument or globally with the ``ASYNC_TEST_TIMEOUT`` environment variable. If ``condition`` is not ``None``, the `.IOLoop` will be restarted after `stop()` until ``condition()`` returns ``True``. .. versionchanged:: 3.1 Added the ``ASYNC_TEST_TIMEOUT`` environment variable. .. deprecated:: 5.1 `stop` and `wait` are deprecated; use ``@gen_test`` instead. Nr% c s< z� � d� ��W n ty. t�� � _Y n0 � �� d S )Nz*Async operation timed out after %s seconds)ZfailureException� Exception�sysro rJ rq r" �r1 rx r" r# � timeout_func< s � z(AsyncTestCase.wait.<locals>.timeout_funcTF) r- rH rS Z add_timeout�timerL rI �startrJ Zremove_timeoutrh rK )r1 rw rx r| r: r" r{ r# r\ " s* � zAsyncTestCase.wait)rE )N)N)NN)r? r@ rA rB rC r2 rQ rg r rR r ry r �boolrs rh �unittestZ TestResult�TestCasert r rq r r* r\ � __classcell__r" r" rO r# rD t s ./ � � �rD c s� e Zd ZdZdd�� fdd� Zed�dd�Zed�dd �Ze d�d d �Z de e e ed �dd�Zee e f d�dd�Zed�dd�Ze d�dd�Ze e d�dd�Zdd�� fdd� Z� ZS ) �AsyncHTTPTestCasear A test case that starts up an HTTP server. Subclasses must override `get_app()`, which returns the `tornado.web.Application` (or other `.HTTPServer` callback) to be tested. Tests will typically use the provided ``self.http_client`` to fetch URLs from this server. Example, assuming the "Hello, world" example from the user guide is in ``hello.py``:: import hello class TestHelloApp(AsyncHTTPTestCase): def get_app(self): return hello.make_app() def test_homepage(self): response = self.fetch('/') self.assertEqual(response.code, 200) self.assertEqual(response.body, 'Hello, world') That call to ``self.fetch()`` is equivalent to :: self.http_client.fetch(self.get_url('/'), self.stop) response = self.wait() which illustrates how AsyncTestCase can turn an asynchronous operation, like ``http_client.fetch()``, into a synchronous operation. If you need to do other asynchronous operations in tests, you'll probably need to use ``stop()`` and ``wait()`` yourself. Nr% c sN t t| ��� t� \}}|| _| �� | _| �� | _| � � | _ | j � |g� d S r0 ) rG r� rQ r$ �_AsyncHTTPTestCase__port�get_http_client� http_client�get_app�_app�get_http_server� http_serverZ add_sockets)r1 r r! rO r" r# rQ y s zAsyncHTTPTestCase.setUpc C s t � S r0 )r rT r" r" r# r� � s z!AsyncHTTPTestCase.get_http_clientc C s t | jfi | �� ��S r0 )r r� �get_httpserver_optionsrT r" r" r# r� � s z!AsyncHTTPTestCase.get_http_serverc C s t � �dS )zzShould be overridden by subclasses to return a `tornado.web.Application` or other `.HTTPServer` callback. N)�NotImplementedErrorrT r" r" r# r� � s zAsyncHTTPTestCase.get_appF)�path� raise_errorr4 r c s> |� � �d�r|�n ��|���jj� ���fdd�t� d�S )aE Convenience method to synchronously fetch a URL. The given path will be appended to the local server's host and port. Any additional keyword arguments will be passed directly to `.AsyncHTTPClient.fetch` (and so could be used to pass ``method="POST"``, ``body="..."``, etc). If the path begins with http:// or https://, it will be treated as a full URL and will be fetched as-is. If ``raise_error`` is ``True``, a `tornado.httpclient.HTTPError` will be raised if the response code is not 200. This is the same behavior as the ``raise_error`` argument to `.AsyncHTTPClient.fetch`, but the default is ``False`` here (it's ``True`` in `.AsyncHTTPClient`) because tests often need to deal with non-200 response codes. .. versionchanged:: 5.0 Added support for absolute URLs. .. versionchanged:: 5.1 Added the ``raise_error`` argument. .. deprecated:: 5.1 This method currently turns any exception into an `.HTTPResponse` with status code 599. In Tornado 6.0, errors other than `tornado.httpclient.HTTPError` will be passed through, and ``raise_error=False`` will only suppress errors that would be raised due to non-200 response codes. )zhttp://zhttps://c s �j j�fd�i� ��S )Nr� )r� �fetchr" �r4 r� r1 �urlr" r# r_ � rZ z)AsyncHTTPTestCase.fetch.<locals>.<lambda>�rx )�lower� startswith�get_urlrS rd r- )r1 r� r� r4 r" r� r# r� � s $ �zAsyncHTTPTestCase.fetchc C s i S )zgMay be overridden by subclasses to return additional keyword arguments for the server. r" rT r" r" r# r� � s z(AsyncHTTPTestCase.get_httpserver_optionsc C s | j S )zZReturns the port used by the server. A new port is chosen for each test. )r� rT r" r" r# � get_http_port� s z AsyncHTTPTestCase.get_http_portc C s dS )N�httpr" rT r" r" r# � get_protocol� s z AsyncHTTPTestCase.get_protocol)r� r c C s d| � � | �� |f S )z>Returns an absolute url for the given path on the test server.z%s://127.0.0.1:%s%s)r� r� )r1 r� r" r" r# r� � s zAsyncHTTPTestCase.get_urlc sD | j �� | jj| j jt� d� | j�� | ` | `t t | �� � d S )Nr� ) r� rq rS rd Zclose_all_connectionsr- r� rf r� rG r� rg rT rO r" r# rg � s � zAsyncHTTPTestCase.tearDown)F)r? r@ rA rB rQ r r� r r� r r� rC r r r r� r r� �intr� r� r� rg r� r" r" rO r# r� X s �� -r� c @ sr e Zd ZdZed�dd�Zeeef d�dd�Z eeef d�dd�Z e eeef d�d d ��Z ed�d d �Z d S )�AsyncHTTPSTestCasezjA test case that starts an HTTPS server. Interface is generally the same as `AsyncHTTPTestCase`. r% c C s t dtdd�d�S )NTF)Z validate_cert)Zforce_instance�defaults)r �dictrT r" r" r# r� � s z"AsyncHTTPSTestCase.get_http_clientc C s t | �� d�S )N)Z ssl_options)r� �get_ssl_optionsrT r" r" r# r� � s z)AsyncHTTPSTestCase.get_httpserver_optionsc C s t �� S )zMay be overridden by subclasses to select SSL options. By default includes a self-signed testing certificate. )r� �default_ssl_optionsrT r" r" r# r� � s z"AsyncHTTPSTestCase.get_ssl_optionsc C s0 t j�t�} tt j�| dd�t j�| dd�d�S )N�testztest.crtztest.key)�certfile�keyfile)r' r� �dirname�__file__r� �join)Z module_dirr" r" r# r� � s �z&AsyncHTTPSTestCase.default_ssl_optionsc C s dS )N�httpsr" rT r" r" r# r� � s z AsyncHTTPSTestCase.get_protocolN)r? r@ rA rB r r� r rC r r� r� � staticmethodr� r� r" r" r" r# r� � s r� r� .r �.N)rx r c C s d S r0 r" r� r" r" r# �gen_test� s r� )�funcr c C s d S r0 r" )r� r" r" r# r� s )r� rx r c sN � du rt � � tdttdf f td d�� fdd� }| durF|| �S |S dS )a1 Testing equivalent of ``@gen.coroutine``, to be applied to test methods. ``@gen.coroutine`` cannot be used on tests because the `.IOLoop` is not already running. ``@gen_test`` should be applied to test methods on subclasses of `AsyncTestCase`. Example:: class MyTest(AsyncHTTPTestCase): @gen_test def test_something(self): response = yield self.http_client.fetch(self.get_url('/')) By default, ``@gen_test`` times out after 5 seconds. The timeout may be overridden globally with the ``ASYNC_TEST_TIMEOUT`` environment variable, or for each test with the ``timeout`` keyword argument:: class MyTest(AsyncHTTPTestCase): @gen_test(timeout=10) def test_something_slow(self): response = yield self.http_client.fetch(self.get_url('/')) Note that ``@gen_test`` is incompatible with `AsyncTestCase.stop`, `AsyncTestCase.wait`, and `AsyncHTTPTestCase.fetch`. Use ``yield self.http_client.fetch(self.get_url())`` as shown above instead. .. versionadded:: 3.1 The ``timeout`` argument and ``ASYNC_TEST_TIMEOUT`` environment variable. .. versionchanged:: 4.0 The wrapper now passes along ``*args, **kwargs`` so it can be used on functions with arguments. N.r r� )rj r c sL t ����fdd��}t���r&|� n t�|�� t �� �� �fdd��}|S )Nc s< � | g|�R i |��}t |t�s*t�|�r2|| _nd | _|S r0 )r5 r r6 r7 rN r9 )rj r" r# � pre_coroutine> s z-gen_test.<locals>.wrap.<locals>.pre_coroutinec s~ z(| j jtj� | g|�R i |���d�W S tyx } z8| jd urbt| jdd�rb| j�t|�|� � W Y d }~n d }~0 0 d S )Nr� � cr_runningT) rS rd � functools�partialr rN r= �throw�type)r1 r3 r4 �e)�cororx r" r# �post_coroutineN s � �z.gen_test.<locals>.wrap.<locals>.post_coroutine)r� �wrapsr6 �iscoroutinefunctionr � coroutine)rj r� r� r� )r� rj r# �wrap5 s zgen_test.<locals>.wrap)r- r r r )r� rx r� r" r� r# r� s )(3c @ sl e Zd ZdZdeejef ee dd�dd�Z ej e d�dd �Z d d �d d �Z d ee ee dd�dd�ZdS )� ExpectLoga� Context manager to capture and suppress expected log output. Useful to make tests of error conditions less noisy, while still leaving unexpected log entries visible. *Not thread safe.* The attribute ``logged_stack`` is set to ``True`` if any exception stack trace was logged. Usage:: with ExpectLog('tornado.application', "Uncaught exception"): error_response = self.fetch("/some_page") .. versionchanged:: 4.3 Added the ``logged_stack`` attribute. TN)�logger�regex�requiredr c C s< t |t�rt�|�}|| _t�|�| _|| _d| _ d| _ dS )a� Constructs an ExpectLog context manager. :param logger: Logger object (or name of logger) to watch. Pass an empty string to watch the root logger. :param regex: Regular expression to match. Any log entries on the specified logger that match this regex will be suppressed. :param required: If true, an exception will be raised if the end of the ``with`` statement is reached without matching any log entries. FN) r5 r �logging� getLoggerr� �re�compiler� r� �matched� logged_stack)r1 r� r� r� r" r" r# r2 � s zExpectLog.__init__)�recordr c C s. |j r d| _|�� }| j�|�r*d| _dS dS )NTF)ro r� � getMessager� �matchr� )r1 r� �messager" r" r# �filter� s zExpectLog.filterr% c C s | j �| � | S r0 )r� � addFilterrT r" r" r# � __enter__� s zExpectLog.__enter__z Optional[Type[BaseException]]rk c C s( | j �| � |s$| jr$| js$td��d S )Nz did not get expected log message)r� � removeFilterr� r� ry rr r" r" r# �__exit__� s zExpectLog.__exit__)T)r? r@ rA rB r r� �Loggerr rC r r2 � LogRecordr� r� r � BaseExceptionr r� r" r" r" r# r� x s � � �r� )r4 r c K sV ddl m}m}m} |dtddd� |dtd� |d td� |d td� |d td� |d td� tjd g|tj� }|js�t�tj tj � |j d ur�d| d< |j d ur�d| d< |j d ur�d| d < |jd ur�d| d< |jd ur�d| d < tdk�rt|�dk�rtdtjd� t�d� t|�dk�r<tjf d |d�| �� ntjf d|d�| �� d S )a A simple test runner. This test runner is essentially equivalent to `unittest.main` from the standard library, but adds support for Tornado-style option parsing and log formatting. It is *not* necessary to use this `main` function to run tests using `AsyncTestCase`; these tests are self-contained and can 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 specified. Projects with many tests may wish to define a test script like ``tornado/test/runtests.py``. This script should define a method ``all()`` which returns a test suite and then call `tornado.testing.main()`. Note that even when a test script is used, the ``all()`` test suite may be overridden by naming a single test on the command line:: # Runs all tests python -m tornado.test.runtests # Runs one test python -m tornado.test.runtests tornado.test.web_test Additional keyword arguments passed through to ``unittest.main()``. For example, use ``tornado.testing.main(verbosity=2)`` to show many test details as they are run. See http://docs.python.org/library/unittest.html#unittest.main for full argument list. .. versionchanged:: 5.0 This function produces no output of its own; only that produced by the `unittest` module (previously it would add a PASS or FAIL log message). r )�define�options�parse_command_line�exception_on_interruptTz�If true (default), ctrl-c raises a KeyboardInterrupt exception. This prints a stack trace but cannot interrupt certain operations. 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