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📁 ..
📄 __init__.py(20 B)
📄 __main__.py(430 B)
📁 __pycache__
📄 asyncio_test.py(4.78 KB)
📄 auth_test.py(22.19 KB)
📄 concurrent_test.py(13.66 KB)
📄 curl_httpclient_test.py(4.83 KB)
📄 escape_test.py(10.9 KB)
📄 gen_test.py(46.36 KB)
📄 http1connection_test.py(2.02 KB)
📄 httpclient_test.py(26.79 KB)
📄 httpserver_test.py(41.43 KB)
📄 httputil_test.py(17.17 KB)
📄 import_test.py(1.73 KB)
📄 ioloop_test.py(24.55 KB)
📄 iostream_test.py(42.53 KB)
📄 locale_test.py(5.96 KB)
📄 locks_test.py(15.74 KB)
📄 log_test.py(9.51 KB)
📄 netutil_test.py(7.6 KB)
📄 options_test.py(10.83 KB)
📄 process_test.py(11.44 KB)
📄 queues_test.py(12.79 KB)
📄 resolve_test_helper.py(514 B)
📄 routing_test.py(7.48 KB)
📄 runtests.py(7.59 KB)
📄 simple_httpclient_test.py(30.33 KB)
📄 stack_context_test.py(10.9 KB)
📄 tcpclient_test.py(11.31 KB)
📄 tcpserver_test.py(2.32 KB)
📄 template_test.py(18.63 KB)
📄 testing_test.py(8.57 KB)
📄 twisted_test.py(27.33 KB)
📄 util.py(4.65 KB)
📄 util_test.py(7.29 KB)
📄 web_test.py(111.58 KB)
📄 websocket_test.py(22.37 KB)
📄 windows_test.py(877 B)
📄 wsgi_test.py(3.71 KB)

Editing: process_test.py

#!/usr/bin/env python
# pylint: skip-file

from __future__ import absolute_import, division, print_function
import logging
import os
import signal
import subprocess
import sys
from salt.ext.tornado.httpclient import HTTPClient, HTTPError
from salt.ext.tornado.httpserver import HTTPServer
from salt.ext.tornado.ioloop import IOLoop
from salt.ext.tornado.log import gen_log
from salt.ext.tornado.process import fork_processes, task_id, Subprocess
from salt.ext.tornado.simple_httpclient import SimpleAsyncHTTPClient
from salt.ext.tornado.testing import bind_unused_port, ExpectLog, AsyncTestCase, gen_test
from salt.ext.tornado.test.util import unittest, skipIfNonUnix
from salt.ext.tornado.web import RequestHandler, Application

def skip_if_twisted():
    if IOLoop.configured_class().__name__.endswith(('TwistedIOLoop',
                                                    'AsyncIOMainLoop')):
        raise unittest.SkipTest("Process tests not compatible with "
                                "TwistedIOLoop or AsyncIOMainLoop")

# Not using AsyncHTTPTestCase because we need control over the IOLoop.

@skipIfNonUnix
class ProcessTest(unittest.TestCase):
    def get_app(self):
        class ProcessHandler(RequestHandler):
            def get(self):
                if self.get_argument("exit", None):
                    # must use os._exit instead of sys.exit so unittest's
                    # exception handler doesn't catch it
                    os._exit(int(self.get_argument("exit")))
                if self.get_argument("signal", None):
                    os.kill(os.getpid(),
                            int(self.get_argument("signal")))
                self.write(str(os.getpid()))
        return Application([("/", ProcessHandler)])

def tearDown(self):
        if task_id() is not None:
            # We're in a child process, and probably got to this point
            # via an uncaught exception.  If we return now, both
            # processes will continue with the rest of the test suite.
            # Exit now so the parent process will restart the child
            # (since we don't have a clean way to signal failure to
            # the parent that won't restart)
            logging.error("aborting child process from tearDown")
            logging.shutdown()
            os._exit(1)
        # In the surviving process, clear the alarm we set earlier
        signal.alarm(0)
        super(ProcessTest, self).tearDown()

def test_multi_process(self):
        # This test can't work on twisted because we use the global reactor
        # and have no way to get it back into a sane state after the fork.
        skip_if_twisted()
        with ExpectLog(gen_log, "(Starting .* processes|child .* exited|uncaught exception)"):
            self.assertFalse(IOLoop.initialized())
            sock, port = bind_unused_port()

def get_url(path):
                return "http://127.0.0.1:%d%s" % (port, path)
            # ensure that none of these processes live too long
            signal.alarm(5)  # master process
            try:
                id = fork_processes(3, max_restarts=3)
                self.assertTrue(id is not None)
                signal.alarm(5)  # child processes
            except SystemExit as e:
                # if we exit cleanly from fork_processes, all the child processes
                # finished with status 0
                self.assertEqual(e.code, 0)
                self.assertTrue(task_id() is None)
                sock.close()
                return
            try:
                if id in (0, 1):
                    self.assertEqual(id, task_id())
                    server = HTTPServer(self.get_app())
                    server.add_sockets([sock])
                    IOLoop.current().start()
                elif id == 2:
                    self.assertEqual(id, task_id())
                    sock.close()
                    # Always use SimpleAsyncHTTPClient here; the curl
                    # version appears to get confused sometimes if the
                    # connection gets closed before it's had a chance to
                    # switch from writing mode to reading mode.
                    client = HTTPClient(SimpleAsyncHTTPClient)

def fetch(url, fail_ok=False):
                        try:
                            return client.fetch(get_url(url))
                        except HTTPError as e:
                            if not (fail_ok and e.code == 599):
                                raise

# Make two processes exit abnormally
                    fetch("/?exit=2", fail_ok=True)
                    fetch("/?exit=3", fail_ok=True)

# They've been restarted, so a new fetch will work
                    int(fetch("/").body)

# Now the same with signals
                    # Disabled because on the mac a process dying with a signal
                    # can trigger an "Application exited abnormally; send error
                    # report to Apple?" prompt.
                    # fetch("/?signal=%d" % signal.SIGTERM, fail_ok=True)
                    # fetch("/?signal=%d" % signal.SIGABRT, fail_ok=True)
                    # int(fetch("/").body)

# Now kill them normally so they won't be restarted
                    fetch("/?exit=0", fail_ok=True)
                    # One process left; watch its pid change
                    pid = int(fetch("/").body)
                    fetch("/?exit=4", fail_ok=True)
                    pid2 = int(fetch("/").body)
                    self.assertNotEqual(pid, pid2)

# Kill the last one so we shut down cleanly
                    fetch("/?exit=0", fail_ok=True)

os._exit(0)
            except Exception:
                logging.error("exception in child process %d", id, exc_info=True)
                raise

@skipIfNonUnix
class SubprocessTest(AsyncTestCase):
    def test_subprocess(self):
        if IOLoop.configured_class().__name__.endswith('LayeredTwistedIOLoop'):
            # This test fails non-deterministically with LayeredTwistedIOLoop.
            # (the read_until('\n') returns '\n' instead of 'hello\n')
            # This probably indicates a problem with either TornadoReactor
            # or TwistedIOLoop, but I haven't been able to track it down
            # and for now this is just causing spurious travis-ci failures.
            raise unittest.SkipTest("Subprocess tests not compatible with "
                                    "LayeredTwistedIOLoop")
        subproc = Subprocess([sys.executable, '-u', '-i'],
                             stdin=Subprocess.STREAM,
                             stdout=Subprocess.STREAM, stderr=subprocess.STDOUT,
                             io_loop=self.io_loop)
        self.addCleanup(lambda: (subproc.proc.terminate(), subproc.proc.wait()))
        subproc.stdout.read_until(b'>>> ', self.stop)
        self.wait()
        subproc.stdin.write(b"print('hello')\n")
        subproc.stdout.read_until(b'\n', self.stop)
        data = self.wait()
        self.assertEqual(data, b"hello\n")

subproc.stdout.read_until(b">>> ", self.stop)
        self.wait()
        subproc.stdin.write(b"raise SystemExit\n")
        subproc.stdout.read_until_close(self.stop)
        data = self.wait()
        self.assertEqual(data, b"")

def test_close_stdin(self):
        # Close the parent's stdin handle and see that the child recognizes it.
        subproc = Subprocess([sys.executable, '-u', '-i'],
                             stdin=Subprocess.STREAM,
                             stdout=Subprocess.STREAM, stderr=subprocess.STDOUT,
                             io_loop=self.io_loop)
        self.addCleanup(lambda: (subproc.proc.terminate(), subproc.proc.wait()))
        subproc.stdout.read_until(b'>>> ', self.stop)
        self.wait()
        subproc.stdin.close()
        subproc.stdout.read_until_close(self.stop)
        data = self.wait()
        self.assertEqual(data, b"\n")

def test_stderr(self):
        # This test is mysteriously flaky on twisted: it succeeds, but logs
        # an error of EBADF on closing a file descriptor.
        skip_if_twisted()
        subproc = Subprocess([sys.executable, '-u', '-c',
                              r"import sys; sys.stderr.write('hello\n')"],
                             stderr=Subprocess.STREAM,
                             io_loop=self.io_loop)
        self.addCleanup(lambda: (subproc.proc.terminate(), subproc.proc.wait()))
        subproc.stderr.read_until(b'\n', self.stop)
        data = self.wait()
        self.assertEqual(data, b'hello\n')

def test_sigchild(self):
        # Twisted's SIGCHLD handler and Subprocess's conflict with each other.
        skip_if_twisted()
        Subprocess.initialize(io_loop=self.io_loop)
        self.addCleanup(Subprocess.uninitialize)
        subproc = Subprocess([sys.executable, '-c', 'pass'],
                             io_loop=self.io_loop)
        subproc.set_exit_callback(self.stop)
        ret = self.wait()
        self.assertEqual(ret, 0)
        self.assertEqual(subproc.returncode, ret)

@gen_test
    def test_sigchild_future(self):
        skip_if_twisted()
        Subprocess.initialize()
        self.addCleanup(Subprocess.uninitialize)
        subproc = Subprocess([sys.executable, '-c', 'pass'])
        ret = yield subproc.wait_for_exit()
        self.assertEqual(ret, 0)
        self.assertEqual(subproc.returncode, ret)

def test_sigchild_signal(self):
        skip_if_twisted()
        Subprocess.initialize(io_loop=self.io_loop)
        self.addCleanup(Subprocess.uninitialize)
        subproc = Subprocess([sys.executable, '-c',
                              'import time; time.sleep(30)'],
                             stdout=Subprocess.STREAM,
                             io_loop=self.io_loop)
        subproc.set_exit_callback(self.stop)
        os.kill(subproc.pid, signal.SIGTERM)
        try:
            ret = self.wait(timeout=1.0)
        except AssertionError:
            # We failed to get the termination signal. This test is
            # occasionally flaky on pypy, so try to get a little more
            # information: did the process close its stdout
            # (indicating that the problem is in the parent process's
            # signal handling) or did the child process somehow fail
            # to terminate?
            subproc.stdout.read_until_close(callback=self.stop)
            try:
                self.wait(timeout=1.0)
            except AssertionError:
                raise AssertionError("subprocess failed to terminate")
            else:
                raise AssertionError("subprocess closed stdout but failed to "
                                     "get termination signal")
        self.assertEqual(subproc.returncode, ret)
        self.assertEqual(ret, -signal.SIGTERM)

@gen_test
    def test_wait_for_exit_raise(self):
        skip_if_twisted()
        Subprocess.initialize()
        self.addCleanup(Subprocess.uninitialize)
        subproc = Subprocess([sys.executable, '-c', 'import sys; sys.exit(1)'])
        with self.assertRaises(subprocess.CalledProcessError) as cm:
            yield subproc.wait_for_exit()
        self.assertEqual(cm.exception.returncode, 1)

@gen_test
    def test_wait_for_exit_raise_disabled(self):
        skip_if_twisted()
        Subprocess.initialize()
        self.addCleanup(Subprocess.uninitialize)
        subproc = Subprocess([sys.executable, '-c', 'import sys; sys.exit(1)'])
        ret = yield subproc.wait_for_exit(raise_error=False)
        self.assertEqual(ret, 1)

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