(apple ssl) model write method after the OpenSSL one for consistency

More test code for #140.

test/compatibility/python/websockets/Dockerfile

@@ -1,8 +1,14 @@
 FROM python:3.8.0-alpine3.10
 
 RUN pip install websockets
-COPY ws_proxy.py /usr/bin
-RUN chmod +x /usr/bin/ws_proxy.py
+COPY *.py /usr/bin/
+COPY entrypoint.sh /usr/bin/
+RUN chmod +x /usr/bin/*.py
 
-EXPOSE 8765
-CMD ["python", "/usr/bin/ws_proxy.py"]
+RUN mkdir /certs
+COPY *.pem /certs/
+
+WORKDIR /certs
+
+EXPOSE 8765 8766
+CMD ["sh", "/usr/bin/entrypoint.sh"]

test/compatibility/python/websockets/echo_server_ssl.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python
+
+# WS server example
+
+import asyncio
+import os
+import pathlib
+import ssl
+import websockets
+
+
+async def echo(websocket, path):
+    msg = await websocket.recv()
+    print(f'Received {len(msg)} bytes')
+    await websocket.send(msg)
+
+ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
+ssl_context.load_cert_chain('trusted-server-crt.pem',
+                            'trusted-server-key.pem')
+
+print('Serving on localhost:8766')
+host = os.getenv('BIND_HOST', 'localhost')
+start_server = websockets.serve(echo, host, 8766, max_size=2 ** 30, ssl=ssl_context)
+
+asyncio.get_event_loop().run_until_complete(start_server)
+asyncio.get_event_loop().run_forever()

test/compatibility/python/websockets/entrypoint.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+case $MODE in
+    echo_server)
+        ./echo_server.py
+        ;;
+    ssl)
+        python /usr/bin/echo_server_ssl.py
+        ;;
+esac

test/compatibility/python/websockets/localhost.pem

@@ -0,0 +1 @@
+trusted-client-crt.pem

test/compatibility/python/websockets/makefile

@@ -3,7 +3,7 @@ all:
 
 .PHONY: docker
 
-NAME   := bsergean/ws_proxy
+NAME   := bsergean/echo_server
 TAG    := $(shell cat DOCKER_VERSION)
 IMG    := ${NAME}:${TAG}
 LATEST := ${NAME}:latest
@@ -21,3 +21,6 @@ docker_push:
 	docker tag ${IMG} ${LATEST}
 	docker push ${LATEST}
 	docker push ${IMG}
+
+ssl_server:
+	docker run -p 8766:8766 -e BIND_HOST=0.0.0.0 -e MODE=ssl -it --rm bsergean/echo_server:build

test/compatibility/python/websockets/trusted-server-crt.pem

@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

test/compatibility/python/websockets/trusted-server-key.pem

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----