Make Python testing predictable again

This reorganizes the Python code, scraps the current testing
infrastructure, and implements a simple test discovery and run script
based on the standard Python unittest library so we can trust that our
tests are running.

1 files changed, 75 insertions, 0 deletions

diff --git a/src/python/grpcio/tests/interop/server.py b/src/python/grpcio/tests/interop/server.py
new file mode 100644
index 0000000000..6dd55f008c
--- /dev/null
+++ b/src/python/grpcio/tests/interop/server.py
@@ -0,0 +1,75 @@
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""The Python implementation of the GRPC interoperability test server."""
+
+import argparse
+import logging
+import time
+
+from grpc.beta import implementations
+
+from tests.interop import methods
+from tests.interop import resources
+from tests.interop import test_pb2
+
+_ONE_DAY_IN_SECONDS = 60 * 60 * 24
+
+
+def serve():
+  parser = argparse.ArgumentParser()
+  parser.add_argument(
+      '--port', help='the port on which to serve', type=int)
+  parser.add_argument(
+      '--use_tls', help='require a secure connection',
+      default=False, type=resources.parse_bool)
+  args = parser.parse_args()
+
+  server = test_pb2.beta_create_TestService_server(methods.TestService())
+  if args.use_tls:
+    private_key = resources.private_key()
+    certificate_chain = resources.certificate_chain()
+    credentials = implementations.ssl_server_credentials(
+        [(private_key, certificate_chain)])
+    server.add_secure_port('[::]:{}'.format(args.port), credentials)
+  else:
+    server.add_insecure_port('[::]:{}'.format(args.port))
+
+  server.start()
+  logging.info('Server serving.')
+  try:
+    while True:
+      time.sleep(_ONE_DAY_IN_SECONDS)
+  except BaseException as e:
+    logging.info('Caught exception "%s"; stopping server...', e)
+    server.stop(0)
+    logging.info('Server stopped; exiting.')
+
+if __name__ == '__main__':
+  serve()