Add python-eventlet 0.16.1

[packages/trusty/python-eventlet.git] / eventlet / tests / test__greenness.py

diff --git a/eventlet/tests/test__greenness.py b/eventlet/tests/test__greenness.py
new file mode 100644 (file)
index 0000000..7d90890
--- /dev/null
+++ b/eventlet/tests/test__greenness.py
@@ -0,0 +1,53 @@
+"""Test than modules in eventlet.green package are indeed green.
+To do that spawn a green server and then access it using a green socket.
+If either operation blocked the whole script would block and timeout.
+"""
+import unittest
+
+from eventlet.green import urllib2, BaseHTTPServer
+from eventlet import spawn, kill
+
+
+class QuietHandler(BaseHTTPServer.BaseHTTPRequestHandler):
+    protocol_version = "HTTP/1.0"
+
+    def log_message(self, *args, **kw):
+        pass
+
+
+def start_http_server():
+    server_address = ('localhost', 0)
+    httpd = BaseHTTPServer.HTTPServer(server_address, QuietHandler)
+    sa = httpd.socket.getsockname()
+    # print("Serving HTTP on", sa[0], "port", sa[1], "...")
+    httpd.request_count = 0
+
+    def serve():
+        # increment the request_count before handling the request because
+        # the send() for the response blocks (or at least appeared to be)
+        httpd.request_count += 1
+        httpd.handle_request()
+    return spawn(serve), httpd, sa[1]
+
+
+class TestGreenness(unittest.TestCase):
+
+    def setUp(self):
+        self.gthread, self.server, self.port = start_http_server()
+        # print('Spawned the server')
+
+    def tearDown(self):
+        self.server.server_close()
+        kill(self.gthread)
+
+    def test_urllib2(self):
+        self.assertEqual(self.server.request_count, 0)
+        try:
+            urllib2.urlopen('http://127.0.0.1:%s' % self.port)
+            assert False, 'should not get there'
+        except urllib2.HTTPError as ex:
+            assert ex.code == 501, repr(ex)
+        self.assertEqual(self.server.request_count, 1)
+
+if __name__ == '__main__':
+    unittest.main()