Skip SSL tests if SSL is not available

This is particularly useful to not require the external OpenSSL module
in order to run the tests on python2.5.

tests/__init__.py

@@ -110,6 +110,17 @@ def skip_if_no_itimer(func):
     return skip_unless(has_itimer)(func)
 
 
+def skip_if_no_ssl(func):
+    """ Decorator that skips a test if SSL is not available."""
+    try:
+        import eventlet.green.ssl
+    except ImportError:
+        try:
+            import eventlet.green.OpenSSL
+        except ImportError:
+            skipped(func)
+
+
 class TestIsTakingTooLong(Exception):
     """ Custom exception class to be raised when a test's runtime exceeds a limit. """
     pass

tests/api_test.py

@@ -10,6 +10,9 @@ from eventlet import api
 warnings.simplefilter('default', DeprecationWarning)
 from eventlet import greenio, util, hubs, greenthread, spawn
 
+from tests import skip_if_no_ssl
+
+
 def check_hub():
     # Clear through the descriptor queue
     api.sleep(0)
@@ -60,6 +63,7 @@ class TestApi(TestCase):
 
         check_hub()
 
+    @skip_if_no_ssl
     def test_connect_ssl(self):
         def accept_once(listenfd):
             try:

tests/convenience_test.py

@@ -3,7 +3,7 @@ import os
 import eventlet
 from eventlet import event
 from eventlet.green import socket
-from tests import LimitedTestCase, s2b
+from tests import LimitedTestCase, s2b, skip_if_no_ssl
 
 certificate_file = os.path.join(os.path.dirname(__file__), 'test_server.crt')
 private_key_file = os.path.join(os.path.dirname(__file__), 'test_server.key')
@@ -107,6 +107,7 @@ class TestServe(LimitedTestCase):
             timeout_value="timed out")
         self.assertEquals(x, "timed out")
 
+    @skip_if_no_ssl
     def test_wrap_ssl(self):
         server = eventlet.wrap_ssl(eventlet.listen(('localhost', 0)),
                                     certfile=certificate_file,

tests/ssl_test.py

@@ -1,4 +1,5 @@
-from tests import skipped, LimitedTestCase, skip_unless, certificate_file, private_key_file
+from tests import LimitedTestCase, certificate_file, private_key_file
+from tests import skip_if_no_ssl
 from unittest import main
 import eventlet
 from eventlet import util, coros, greenio
@@ -15,6 +16,7 @@ def listen_ssl_socket(address=('127.0.0.1', 0)):
    
 
 class SSLTest(LimitedTestCase):
+    @skip_if_no_ssl
     def test_duplex_response(self):
         def serve(listener):
             sock, addr = listener.accept()
@@ -30,6 +32,7 @@ class SSLTest(LimitedTestCase):
         self.assertEquals(client.read(8192), 'response')
         server_coro.wait()
         
+    @skip_if_no_ssl
     def test_ssl_close(self):
         def serve(listener):
             sock, addr = listener.accept()
@@ -50,6 +53,7 @@ class SSLTest(LimitedTestCase):
         client.close()
         server_coro.wait()
         
+    @skip_if_no_ssl
     def test_ssl_connect(self):
         def serve(listener):
             sock, addr = listener.accept()
@@ -65,6 +69,7 @@ class SSLTest(LimitedTestCase):
         ssl_client.close()
         server_coro.wait()
 
+    @skip_if_no_ssl
     def test_ssl_unwrap(self):
         def serve():
             sock, addr = listener.accept()
@@ -89,7 +94,7 @@ class SSLTest(LimitedTestCase):
         server_coro.wait()
 
 class SocketSSLTest(LimitedTestCase):
-    @skip_unless(hasattr(socket, 'ssl'))
+    @skip_if_no_ssl
     def test_greensslobject(self):
         import warnings
         # disabling socket.ssl warnings because we're testing it here

tests/websocket_test.py

@@ -10,6 +10,7 @@ from eventlet import event
 from eventlet import greenio
 
 from tests import mock, LimitedTestCase, certificate_file, private_key_file
+from tests import skip_if_no_ssl
 from tests.wsgi_test import _TestBase
 
 
@@ -517,6 +518,7 @@ class TestWebSocketSSL(_TestBase):
     def set_site(self):
         self.site = wsapp
 
+    @skip_if_no_ssl
     def test_ssl_sending_messages(self):
         s = eventlet.wrap_ssl(eventlet.listen(('localhost', 0)),
                               certfile=certificate_file, 

tests/wsgi_test.py

@@ -5,7 +5,7 @@ import errno
 import os
 import socket
 import sys
-from tests import skipped, LimitedTestCase, skip_with_pyevent
+from tests import skipped, LimitedTestCase, skip_with_pyevent, skip_if_no_ssl
 from unittest import main
 
 from eventlet import greenio
@@ -370,6 +370,7 @@ class TestHttpd(_TestBase):
         # Require a CRLF to close the message body
         self.assertEqual(response, '\r\n')
 
+    @skip_if_no_ssl
     def test_012_ssl_server(self):
         def wsgi_app(environ, start_response):
             start_response('200 OK', {})
@@ -390,6 +391,7 @@ class TestHttpd(_TestBase):
         result = sock.read(8192)
         self.assertEquals(result[-3:], 'abc')
         
+    @skip_if_no_ssl
     def test_013_empty_return(self):
         def wsgi_app(environ, start_response):
             start_response("200 OK", [])
@@ -487,6 +489,7 @@ class TestHttpd(_TestBase):
         self.assertEquals(1, len([l for l in header_lines
                 if l.lower().startswith('content-length')]))
 
+    @skip_if_no_ssl
     def test_017_ssl_zeroreturnerror(self):
 
         def server(sock, site, log):
@@ -781,6 +784,7 @@ class TestHttpd(_TestBase):
         fd.flush()
         read_http(sock)
 
+    @skip_if_no_ssl
     def test_028_ssl_handshake_errors(self):
         errored = [False]
         def server(sock):