add callback unit tests.

callback deregister now accepts iterable.

obsstudio_sdk/callback.py

@@ -42,13 +42,17 @@ class Callback:
             if fns not in self._callbacks:
                 self._callbacks.append(fns)
 
-    def deregister(self, callback):
+    def deregister(self, fns: Union[Iterable, Callable]):
         """deregisters a callback from _callbacks"""
 
         try:
-            self._callbacks.remove(callback)
-        except ValueError:
-            print(f"Failed to remove: {callback}")
+            iterator = iter(fns)
+            for fn in iterator:
+                if fn in self._callbacks:
+                    self._callbacks.remove(fn)
+        except TypeError as e:
+            if fns in self._callbacks:
+                self._callbacks.remove(fns)
 
     def clear(self):
         """clears the _callbacks list"""

obsstudio_sdk/events.py

@@ -41,8 +41,9 @@ class EventClient(object):
         self.base_client = ObsClient(**kwargs)
         self.base_client.authenticate()
         self.callback = Callback()
+        self.subscribe()
 
-        self.running = True
+    def subscribe(self):
         worker = Thread(target=self.trigger, daemon=True)
         worker.start()
 
@@ -52,6 +53,7 @@ class EventClient(object):
 
         Triggers a callback on event received.
         """
+        self.running = True
         while self.running:
             self.data = json.loads(self.base_client.ws.recv())
             event, data = (self.data["d"].get("eventType"), self.data["d"])