Coverage for sockets base

tests/test_server_sockets.py

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+from labthings.server.sockets import base, gevent as gsocket
+
+import json
+from flask import Blueprint
+from werkzeug.routing import Map
+
+
+def test_socket_subscriber_property_notify(view_cls, fake_websocket):
+    setattr(view_cls, "endpoint", "index")
+    ws = fake_websocket("", recieve_once=True)
+    sub = base.SocketSubscriber(ws)
+
+    sub.property_notify(view_cls)
+    assert json.loads(ws.response) == {
+        "messageType": "propertyStatus",
+        "data": {"index": "GET"},
+    }
+
+
+def test_socket_subscriber_property_notify_empty_view(flask_view_cls, fake_websocket):
+    ws = fake_websocket("", recieve_once=True)
+    sub = base.SocketSubscriber(ws)
+
+    sub.property_notify(flask_view_cls)
+    assert json.loads(ws.response) == {
+        "messageType": "propertyStatus",
+        "data": {flask_view_cls.__name__: None},
+    }
+
+
+def test_socket_subscriber_event_notify(fake_websocket):
+    ws = fake_websocket("", recieve_once=True)
+    sub = base.SocketSubscriber(ws)
+
+    data = {"key": "value"}
+
+    sub.event_notify(data)
+    assert json.loads(ws.response) == {"messageType": "event", "data": data}
+
+
+def test_sockets_flask_init(app):
+    original_wsgi_app = app.wsgi_app
+    socket = gsocket.Sockets(app)
+    assert socket
+    # Check new wsgi_app
+    assert isinstance(app.wsgi_app, gsocket.SocketMiddleware)
+    # Check "fallback" wsgi_app. This should be the original app.wsgi_app
+    assert app.wsgi_app.wsgi_app == original_wsgi_app
+
+
+def test_sockets_flask_delayed_init(app):
+    original_wsgi_app = app.wsgi_app
+    socket = gsocket.Sockets()
+    socket.init_app(app)
+    assert socket
+    # Check new wsgi_app
+    assert isinstance(app.wsgi_app, gsocket.SocketMiddleware)
+    # Check "fallback" wsgi_app. This should be the original app.wsgi_app
+    assert app.wsgi_app.wsgi_app == original_wsgi_app
+
+
+def test_sockets_flask_route(app):
+    socket = gsocket.Sockets(app)
+
+    @socket.route("/ws")
+    def ws_view_func(ws):
+        pass
+
+    # Assert ws_view_func was added to the Sockets URL map
+    passed = False
+    for rule in socket.url_map.iter_rules():
+        if rule.endpoint == ws_view_func:
+            passed = True
+    assert passed
+
+
+def test_sockets_flask_blueprint(app):
+    socket = gsocket.Sockets(app)
+
+    bp = Blueprint("blueprint", __name__)
+
+    @bp.route("/ws")
+    def ws_view_func(ws):
+        pass
+
+    socket.register_blueprint(bp, url_prefix="/")
+
+    # Assert ws_view_func was added to the Sockets URL map
+    passed = False
+    for rule in socket.url_map.iter_rules():
+        if rule.endpoint == ws_view_func:
+            passed = True
+    assert passed
+
+    # Test re-register same blueprint (should pass)
+    socket.register_blueprint(bp, url_prefix="/")
+
+
+### Will need regular updating as new message handlers are added
+def test_process_socket_message():
+    assert base.process_socket_message("message") is None
+    assert base.process_socket_message(None) is None