adding filtering test (#36)

Co-authored-by: DanielePalaia <daniele985@@gmail.com>

Author: DanielePalaia

tests/test_streams.py

@@ -231,6 +231,45 @@ def test_stream_filtering(connection: Connection) -> None:
     management.delete_queue(stream_name)
 
 
+def test_stream_filtering_mixed(connection: Connection) -> None:
+
+    consumer = None
+    stream_name = "test_stream_info_with_filtering"
+    messages_to_send = 10
+
+    queue_specification = StreamSpecification(
+        name=stream_name,
+    )
+    management = connection.management()
+    management.declare_queue(queue_specification)
+
+    addr_queue = AddressHelper.queue_address(stream_name)
+
+    # consume and then publish
+    try:
+        stream_filter_options = StreamOptions()
+        stream_filter_options.filter_values(["banana"])
+        connection_consumer = create_connection()
+        consumer = connection_consumer.consumer(
+            addr_queue,
+            # check we are reading just from offset 10 as just banana filtering applies
+            message_handler=MyMessageHandlerAcceptStreamOffset(10),
+            stream_filter_options=stream_filter_options,
+        )
+        # send with annotations filter apple and then banana
+        # consumer will read just from offset 10
+        publish_messages(connection, messages_to_send, stream_name, ["apple"])
+        publish_messages(connection, messages_to_send, stream_name, ["banana"])
+        consumer.run()
+    # ack to terminate the consumer
+    except ConsumerTestException:
+        pass
+
+    consumer.close()
+
+    management.delete_queue(stream_name)
+
+
 def test_stream_filtering_not_present(connection: Connection) -> None:
 
     raised = False