fix: made should_reload into a blocking call (#21)

* Made should_reload into a blocking call

* Removed should_reload() unit test, as this will now wait forever.

Author: stuartbeattie84

postgresql_watcher/watcher.py

@@ -87,7 +87,6 @@ def create_subscriber_process(
         )
         if start_process:
             p.start()
-        self.should_reload()
         return p
 
     def set_update_callback(self, fn_name: Callable):
@@ -113,7 +112,7 @@ def update(self):
 
     def should_reload(self):
         try:
-            if self.parent_conn.poll():
+            if self.parent_conn.poll(None):
                 message = self.parent_conn.recv()
                 print(f"message:{message}")
                 return True

tests/test_postgresql_watcher.py

@@ -39,9 +39,6 @@ def test_pg_watcher_init(self):
     def test_update_pg_watcher(self):
         assert pg_watcher.update() is True
 
-    def test_not_reload(self):
-        assert not pg_watcher.should_reload()
-
     def test_default_update_callback(self):
         assert pg_watcher.update_callback() is None