adopted test_timeout.py from standard tests

greentest/test_timeout.py

@@ -0,0 +1,195 @@
+#do not run me, I don't import any socket module.
+"""Unit tests for socket timeout feature."""
+
+import unittest
+from greentest import test_support
+
+# This requires the 'network' resource as given on the regrtest command line.
+skip_expected = not test_support.is_resource_enabled('network')
+
+class CreationTestCase(unittest.TestCase):
+    """Test case for socket.gettimeout() and socket.settimeout()"""
+
+    def setUp(self):
+        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+    def tearDown(self):
+        self.sock.close()
+
+    def testObjectCreation(self):
+        # Test Socket creation
+        self.assertEqual(self.sock.gettimeout(), None,
+                         "timeout not disabled by default")
+
+    def testFloatReturnValue(self):
+        # Test return value of gettimeout()
+        self.sock.settimeout(7.345)
+        self.assertEqual(self.sock.gettimeout(), 7.345)
+
+        self.sock.settimeout(3)
+        self.assertEqual(self.sock.gettimeout(), 3)
+
+        self.sock.settimeout(None)
+        self.assertEqual(self.sock.gettimeout(), None)
+
+    def testReturnType(self):
+        # Test return type of gettimeout()
+        self.sock.settimeout(1)
+        self.assertEqual(type(self.sock.gettimeout()), type(1.0))
+
+        self.sock.settimeout(3.9)
+        self.assertEqual(type(self.sock.gettimeout()), type(1.0))
+
+    def testTypeCheck(self):
+        # Test type checking by settimeout()
+        self.sock.settimeout(0)
+        self.sock.settimeout(0L)
+        self.sock.settimeout(0.0)
+        self.sock.settimeout(None)
+        self.assertRaises(TypeError, self.sock.settimeout, "")
+        self.assertRaises(TypeError, self.sock.settimeout, u"")
+        self.assertRaises(TypeError, self.sock.settimeout, ())
+        self.assertRaises(TypeError, self.sock.settimeout, [])
+        self.assertRaises(TypeError, self.sock.settimeout, {})
+        self.assertRaises(TypeError, self.sock.settimeout, 0j)
+
+    def testRangeCheck(self):
+        # Test range checking by settimeout()
+        self.assertRaises(ValueError, self.sock.settimeout, -1)
+        self.assertRaises(ValueError, self.sock.settimeout, -1L)
+        self.assertRaises(ValueError, self.sock.settimeout, -1.0)
+
+    def testTimeoutThenBlocking(self):
+        # Test settimeout() followed by setblocking()
+        self.sock.settimeout(10)
+        self.sock.setblocking(1)
+        self.assertEqual(self.sock.gettimeout(), None)
+        self.sock.setblocking(0)
+        self.assertEqual(self.sock.gettimeout(), 0.0)
+
+        self.sock.settimeout(10)
+        self.sock.setblocking(0)
+        self.assertEqual(self.sock.gettimeout(), 0.0)
+        self.sock.setblocking(1)
+        self.assertEqual(self.sock.gettimeout(), None)
+
+    def testBlockingThenTimeout(self):
+        # Test setblocking() followed by settimeout()
+        self.sock.setblocking(0)
+        self.sock.settimeout(1)
+        self.assertEqual(self.sock.gettimeout(), 1)
+
+        self.sock.setblocking(1)
+        self.sock.settimeout(1)
+        self.assertEqual(self.sock.gettimeout(), 1)
+
+
+class TimeoutTestCase(unittest.TestCase):
+    """Test case for socket.socket() timeout functions"""
+
+    # There are a number of tests here trying to make sure that an operation
+    # doesn't take too much longer than expected.  But competing machine
+    # activity makes it inevitable that such tests will fail at times.
+    # When fuzz was at 1.0, I (tim) routinely saw bogus failures on Win2K
+    # and Win98SE.  Boosting it to 2.0 helped a lot, but isn't a real
+    # solution.
+    fuzz = 2.0
+
+    def setUp(self):
+        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.addr_remote = ('www.python.org.', 80)
+        self.addr_local  = ('127.0.0.1', 25339)
+
+    def tearDown(self):
+        self.sock.close()
+
+    def testConnectTimeout(self):
+        # Test connect() timeout
+        _timeout = 0.001
+        self.sock.settimeout(_timeout)
+
+        # If we are too close to www.python.org, this test will fail.
+        # Pick a host that should be farther away.
+        if (socket.getfqdn().split('.')[-2:] == ['python', 'org'] or
+            socket.getfqdn().split('.')[-2:-1] == ['xs4all']):
+            self.addr_remote = ('tut.fi', 80)
+
+        _t1 = time.time()
+        self.failUnlessRaises(socket.error, self.sock.connect,
+                self.addr_remote)
+        _t2 = time.time()
+
+        _delta = abs(_t1 - _t2)
+        self.assert_(_delta < _timeout + self.fuzz,
+                     "timeout (%g) is more than %g seconds more than expected (%g)"
+                     %(_delta, self.fuzz, _timeout))
+
+    def testRecvTimeout(self):
+        # Test recv() timeout
+        _timeout = 0.02
+        self.sock.connect(self.addr_remote)
+        self.sock.settimeout(_timeout)
+
+        _t1 = time.time()
+        self.failUnlessRaises(socket.error, self.sock.recv, 1024)
+        _t2 = time.time()
+
+        _delta = abs(_t1 - _t2)
+        self.assert_(_delta < _timeout + self.fuzz,
+                     "timeout (%g) is %g seconds more than expected (%g)"
+                     %(_delta, self.fuzz, _timeout))
+
+    def testAcceptTimeout(self):
+        # Test accept() timeout
+        _timeout = 2
+        self.sock.settimeout(_timeout)
+        self.sock.bind(self.addr_local)
+        self.sock.listen(5)
+
+        _t1 = time.time()
+        self.failUnlessRaises(socket.error, self.sock.accept)
+        _t2 = time.time()
+
+        _delta = abs(_t1 - _t2)
+        self.assert_(_delta < _timeout + self.fuzz,
+                     "timeout (%g) is %g seconds more than expected (%g)"
+                     %(_delta, self.fuzz, _timeout))
+
+    def testRecvfromTimeout(self):
+        # Test recvfrom() timeout
+        _timeout = 2
+        self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        self.sock.settimeout(_timeout)
+        self.sock.bind(self.addr_local)
+
+        _t1 = time.time()
+        self.failUnlessRaises(socket.error, self.sock.recvfrom, 8192)
+        _t2 = time.time()
+
+        _delta = abs(_t1 - _t2)
+        self.assert_(_delta < _timeout + self.fuzz,
+                     "timeout (%g) is %g seconds more than expected (%g)"
+                     %(_delta, self.fuzz, _timeout))
+
+    def testSend(self):
+        # Test send() timeout
+        # couldn't figure out how to test it
+        pass
+
+    def testSendto(self):
+        # Test sendto() timeout
+        # couldn't figure out how to test it
+        pass
+
+    def testSendall(self):
+        # Test sendall() timeout
+        # couldn't figure out how to test it
+        pass
+
+
+def test_main():
+    test_support.requires('network')
+    test_support.run_unittest(CreationTestCase, TimeoutTestCase)
+
+if __name__ == "__main__":
+    test_main()

greentest/test_timeout_green.py

@@ -0,0 +1,4 @@
+from eventlet.green import time
+from eventlet.green import socket
+
+execfile('test_timeout.py')