test: serializer_args tests

tests/async/test_client.py

@@ -1,5 +1,6 @@
 import asyncio
 from unittest import mock
+from datetime import datetime, timezone, timedelta
 
 import pytest
 
@@ -1242,3 +1243,31 @@ class TestAsyncClient:
         assert c.sid is None
         assert not c.connected
         c.start_background_task.assert_not_called()
+
+    def test_serializer_args(self):
+        args = {"foo": "bar"}
+        c = async_client.AsyncClient(serializer_args=args)
+        assert c.packet_class_args == args
+    
+    def test_serializer_args_with_msgpack(self):
+        def default(o):
+            if isinstance(o, datetime):
+                return o.isoformat()
+            raise TypeError("Unknown type")
+        args = {"dumps_default": default}
+        data = {"current": datetime.now(timezone(timedelta(0)))}
+        c = async_client.AsyncClient(serializer='msgpack', serializer_args=args)
+        p = c._create_packet(data=data)
+        p2 = c._create_packet(encoded_packet=p.encode())
+
+        assert p.data != p2.data
+        assert isinstance(p2.data, dict)
+        assert "current" in p2.data
+        assert isinstance(p2.data["current"], str)
+        assert default(data["current"]) == p2.data["current"]
+    
+    def test_invalid_serializer_args(self):
+        args = {"invalid_arg": 123}
+        c = async_client.AsyncClient(serializer='msgpack', serializer_args=args)
+        with pytest.raises(TypeError):
+            c._create_packet(data={"foo": "bar"}).encode()

tests/async/test_server.py

@@ -1,6 +1,7 @@
 import asyncio
 import logging
 from unittest import mock
+from datetime import datetime, timezone, timedelta
 
 from engineio import json
 from engineio import packet as eio_packet
@@ -1089,3 +1090,31 @@ class TestAsyncServer:
         s = async_server.AsyncServer()
         await s.sleep(1.23)
         s.eio.sleep.assert_awaited_once_with(1.23)
+
+    def test_serializer_args(self, eio):
+        args = {"foo": "bar"}
+        s = async_server.AsyncServer(serializer_args=args)
+        assert s.packet_class_args == args
+    
+    def test_serializer_args_with_msgpack(self, eio):
+        def default(o):
+            if isinstance(o, datetime):
+                return o.isoformat()
+            raise TypeError("Unknown type")
+        args = {"dumps_default": default}
+        data = {"current": datetime.now(timezone(timedelta(0)))}
+        s = async_server.AsyncServer(serializer='msgpack', serializer_args=args)
+        p = s._create_packet(data=data)
+        p2 = s._create_packet(encoded_packet=p.encode())
+
+        assert p.data != p2.data
+        assert isinstance(p2.data, dict)
+        assert "current" in p2.data
+        assert isinstance(p2.data["current"], str)
+        assert default(data["current"]) == p2.data["current"]
+    
+    def test_invalid_serializer_args(self, eio):
+        args = {"invalid_arg": 123}
+        s = async_server.AsyncServer(serializer='msgpack', serializer_args=args)
+        with pytest.raises(TypeError):
+            s._create_packet(data={"foo": "bar"}).encode()

tests/common/test_client.py

@@ -1,6 +1,7 @@
 import logging
 import time
 from unittest import mock
+from datetime import datetime, timezone, timedelta
 
 from engineio import exceptions as engineio_exceptions
 from engineio import json
@@ -1386,3 +1387,31 @@ class TestClient:
         assert c.sid is None
         assert not c.connected
         c.start_background_task.assert_not_called()
+
+    def test_serializer_args(self):
+        args = {"foo": "bar"}
+        c = client.Client(serializer_args=args)
+        assert c.packet_class_args == args
+    
+    def test_serializer_args_with_msgpack(self):
+        def default(o):
+            if isinstance(o, datetime):
+                return o.isoformat()
+            raise TypeError("Unknown type")
+        args = {"dumps_default": default}
+        data = {"current": datetime.now(timezone(timedelta(0)))}
+        c = client.Client(serializer='msgpack', serializer_args=args)
+        p = c._create_packet(data=data)
+        p2 = c._create_packet(encoded_packet=p.encode())
+
+        assert p.data != p2.data
+        assert isinstance(p2.data, dict)
+        assert "current" in p2.data
+        assert isinstance(p2.data["current"], str)
+        assert default(data["current"]) == p2.data["current"]
+    
+    def test_invalid_serializer_args(self):
+        args = {"invalid_arg": 123}
+        c = client.Client(serializer='msgpack', serializer_args=args)
+        with pytest.raises(TypeError):
+            c._create_packet(data={"foo": "bar"}).encode()

tests/common/test_server.py

@@ -1,5 +1,6 @@
 import logging
 from unittest import mock
+from datetime import datetime, timezone, timedelta
 
 from engineio import json
 from engineio import packet as eio_packet
@@ -1032,3 +1033,31 @@ class TestServer:
         s = server.Server()
         s.sleep(1.23)
         s.eio.sleep.assert_called_once_with(1.23)
+
+    def test_serializer_args(self, eio):
+        args = {"foo": "bar"}
+        s = server.Server(serializer_args=args)
+        assert s.packet_class_args == args
+    
+    def test_serializer_args_with_msgpack(self, eio):
+        def default(o):
+            if isinstance(o, datetime):
+                return o.isoformat()
+            raise TypeError("Unknown type")
+        args = {"dumps_default": default}
+        data = {"current": datetime.now(timezone(timedelta(0)))}
+        s = server.Server(serializer='msgpack', serializer_args=args)
+        p = s._create_packet(data=data)
+        p2 = s._create_packet(encoded_packet=p.encode())
+
+        assert p.data != p2.data
+        assert isinstance(p2.data, dict)
+        assert "current" in p2.data
+        assert isinstance(p2.data["current"], str)
+        assert default(data["current"]) == p2.data["current"]
+    
+    def test_invalid_serializer_args(self, eio):
+        args = {"invalid_arg": 123}
+        s = server.Server(serializer='msgpack', serializer_args=args)
+        with pytest.raises(TypeError):
+            s._create_packet(data={"foo": "bar"}).encode()