Fix test__makefile_ref on Windows using a test-time optional dependency on...

Fix test__makefile_ref on Windows using a test-time optional dependency on psutil. appveyor installs this dep.

.travis.yml

@@ -18,7 +18,7 @@ install:
     # Then start installing our deps so they can be cached. Note that use of --build-options / --global-options / --install-options
     # disables the cache.
     # We need wheel>=0.26 on Python 3.5. See previous revisions.
-    - travis_retry pip install -U wheel
+    - travis_retry pip install -U wheel psutil
     - travis_retry pip install -U tox cython greenlet pep8 pyflakes "coverage>=4.0" "coveralls>=1.0"
 script:
     - if [[ $TRAVIS_PYTHON_VERSION == '2.7' && $LINT == true ]]; then python setup.py develop && make travis_test_linters; elif [[ $LINT == false && $TRAVIS_PYTHON_VERSION == 'pypy' ]]; then python setup.py develop && make fulltoxtest; elif [[ $LINT == false ]]; then python setup.py develop && make fulltoxtest; fi

appveyor.yml

@@ -73,7 +73,7 @@ install:
   # compiled extensions and are not provided as pre-built wheel packages,
   # pip will build them from source using the MSVC compiler matching the
   # target Python version and architecture
-  - "%CMD_IN_ENV% pip install -U cython greenlet"
+  - "%CMD_IN_ENV% pip install -U cython greenlet psutil"
 
   # XXX: Most of this is a copy of the Makefile. Remember to update.
   - "python util/cythonpp.py -o gevent.corecext.c gevent/core.ppyx"

greentest/test__makefile_ref.py

@@ -5,25 +5,29 @@ import socket
 import ssl
 import threading
 import unittest
-
+import errno
 
 dirname = os.path.dirname(os.path.abspath(__file__))
 certfile = os.path.join(dirname, '2.7/keycert.pem')
 pid = os.getpid()
-tmpname = '/tmp/test__makefile_ref.lsof.%s' % pid
-lsof_command = 'lsof -p %s > %s' % (pid, tmpname)
 
 import sys
 PY3 = sys.version_info[0] >= 3
 fd_types = int
-if not PY3:
-    fd_types = (int, long)
-
-
-def get_open_files():
-    # XXX: This could be done in a more portable with with psutil
-    # (https://pypi.python.org/pypi/psutil). right now it makes this
-    # whole suite fail on windews
+if PY3:
+    long = int
+fd_types = (int, long)
+WIN = sys.platform.startswith("win")
+
+try:
+    import psutil
+except ImportError:
+    psutil = None
+    # Linux/OS X/BSD platforms can implement this by calling out to lsof
+    tmpname = '/tmp/test__makefile_ref.lsof.%s' % pid
+    lsof_command = 'lsof -p %s > %s' % (pid, tmpname)
+
+    def get_open_files():
         if os.system(lsof_command):
             raise OSError('lsof failed')
         with open(tmpname) as fobj:
@@ -45,15 +49,38 @@ def get_open_files():
             raise AssertionError('failed to parse lsof:\n%s' % (data, ))
         results['data'] = data
         return results
+else:
+    # If psutil is available (it is cross-platform) use that.
+    # It is *much* faster than shelling out to lsof each time
+    # (Running 14 tests takes 3.964s with lsof and 0.046 with psutil)
+    # However, it still doesn't completely solve the issue on Windows: fds are reported
+    # as -1 there, so we can't fully check those.
+    process = psutil.Process()
+
+    def get_open_files():
+        results = dict()
+        results['data'] = process.open_files() + process.connections('all')
+        for x in results['data']:
+            results[x.fd] = x
+        return results
 
 
 class Test(unittest.TestCase):
 
+    extra_allowed_open_states = ()
+
+    def tearDown(self):
+        self.extra_allowed_open_states = ()
+        unittest.TestCase.tearDown(self)
+
     def assert_raises_EBADF(self, func):
         try:
             result = func()
-        except socket.error as ex:
-            if ex.errno == 9:
+        except (socket.error, OSError) as ex:
+            # Windows/Py3 raises "OSError: [WinError 10038]"
+            if ex.args[0] == errno.EBADF:
+                return
+            if WIN and ex.args[0] == 10038:
                 return
             raise
         raise AssertionError('NOT RAISED EBADF: %r() returned %r' % (func, result))
@@ -71,15 +98,29 @@ class Test(unittest.TestCase):
         if fileno in open_files:
             raise AssertionError('%r is not closed:\n%s' % (fileno, open_files['data']))
 
+    def _assert_sock_open(self, sock):
+        # requires the psutil output
+        open_files = get_open_files()
+        sockname = sock.getsockname()
+        for x in open_files['data']:
+            if x.laddr == sockname:
+                assert x.status in (psutil.CONN_LISTEN, psutil.CONN_ESTABLISHED) + self.extra_allowed_open_states, x.status
+                return
+        raise AssertionError("%r is not open:\n%s" % (sock, open_files['data']))
+
     def assert_open(self, sock, *rest):
         if isinstance(sock, fd_types):
+            if not WIN:
                 self.assert_fd_open(sock)
         else:
             fileno = sock.fileno()
             assert isinstance(fileno, fd_types), fileno
             sockname = sock.getsockname()
             assert isinstance(sockname, tuple), sockname
+            if not WIN:
                 self.assert_fd_open(fileno)
+            else:
+                self._assert_sock_open(sock)
         if rest:
             self.assert_open(rest[0], *rest[1:])
 
@@ -98,22 +139,27 @@ class Test(unittest.TestCase):
         if rest:
             self.assert_closed(rest[0], *rest[1:])
 
+    def make_open_socket(self):
+        s = socket.socket()
+        s.bind(('127.0.0.1', 0))
+        if WIN:
+            # Windows doesn't show as open until this
+            s.listen(1)
+        self.assert_open(s, s.fileno())
+        return s
+
 
 class TestSocket(Test):
 
     def test_simple_close(self):
-        s = socket.socket()
+        s = self.make_open_socket()
         fileno = s.fileno()
-        s.bind(('127.0.0.1', 0))
-        self.assert_open(s, fileno)
         s.close()
         self.assert_closed(s, fileno)
 
     def test_makefile1(self):
-        s = socket.socket()
+        s = self.make_open_socket()
         fileno = s.fileno()
-        s.bind(('127.0.0.1', 0))
-        self.assert_open(s, fileno)
         f = s.makefile()
         self.assert_open(s, fileno)
         s.close()
@@ -129,10 +175,8 @@ class TestSocket(Test):
         self.assert_closed(fileno)
 
     def test_makefile2(self):
-        s = socket.socket()
+        s = self.make_open_socket()
         fileno = s.fileno()
-        s.bind(('127.0.0.1', 0))
-        self.assert_open(s)
         self.assert_open(s, fileno)
         f = s.makefile()
         self.assert_open(s)
@@ -232,10 +276,8 @@ class TestSocket(Test):
 class TestSSL(Test):
 
     def test_simple_close(self):
-        s = socket.socket()
+        s = self.make_open_socket()
         fileno = s.fileno()
-        s.bind(('127.0.0.1', 0))
-        self.assert_open(s, fileno)
         s = ssl.wrap_socket(s)
         fileno = s.fileno()
         self.assert_open(s, fileno)
@@ -243,10 +285,8 @@ class TestSSL(Test):
         self.assert_closed(s, fileno)
 
     def test_makefile1(self):
-        s = socket.socket()
+        s = self.make_open_socket()
         fileno = s.fileno()
-        s.bind(('127.0.0.1', 0))
-        self.assert_open(s, fileno)
 
         s = ssl.wrap_socket(s)
         fileno = s.fileno()
@@ -259,10 +299,8 @@ class TestSSL(Test):
         self.assert_closed(s, fileno)
 
     def test_makefile2(self):
-        s = socket.socket()
+        s = self.make_open_socket()
         fileno = s.fileno()
-        s.bind(('127.0.0.1', 0))
-        self.assert_open(s, fileno)
 
         s = ssl.wrap_socket(s)
         fileno = s.fileno()
@@ -423,6 +461,9 @@ class TestSSL(Test):
             self.assertEqual(f.read(), 'test_serverssl_makefile2')
             self.assertEqual(f.read(), '')
             f.close()
+            if WIN and psutil and not PY3:
+                # Hmm?
+                self.extra_allowed_open_states = (psutil.CONN_CLOSE_WAIT,)
             self.assert_open(client_socket, fileno)
             client_socket.close()
             self.assert_closed(client_socket, fileno)

known_failures.py

@@ -60,7 +60,6 @@ if sys.platform == 'win32':
         # No idea why.
         'test__core_fork.py',
         'test__execmodules.py',
-        'test__makefile_ref.py',
         'FLAKY test__greenletset.py',
         # The various timeout tests are flaky for unknown reasons
         # on appveyor

tox.ini

@@ -7,6 +7,7 @@ deps =
     greenlet
     cython >= 0.23.4
     coverage >= 4.0
+    psutil
 whitelist_externals =
     *
 commands =