Add Django 5.0 to test matrix (fixes #704)

- timezone information is now on by default, and serilizers are expecting zulu time.
- Replace manual timestamp truncation with datetime timespec set to milliseconds

noxfile.py

@@ -2,10 +2,8 @@
 
 
 @nox.session()
-@nox.parametrize("django", ["4.1", "4.2"])
-def tests(session, django):
+def tests(session):
     session.install("poetry")
     session.run("poetry", "install", "-E", "minify")
-    session.install(f"django=={django}")
     session.run("pytest", "-m", "not slow")
     session.run("pytest", "-m", "slow")

pyproject.toml

@@ -15,7 +15,8 @@ keywords = ["django", "python", "javascript", "fullstack"]
 
 [tool.poetry.dependencies]
 python = ">=3.8,<4"
-django = ">=2.2"
+django = [{version = "<=5.0", python = "<3.10"},
+          {version = "^5.0", python=">=3.10"}]
 beautifulsoup4 = ">=4.8.0"
 orjson = ">=3.6.0"
 shortuuid = ">=1.0.1"

tests/serializer/test_dumps.py

@@ -162,7 +162,7 @@ def test_complicated_model():
 
     expected = {
         "date": str(model.date),
-        "datetime": model.datetime.isoformat()[:-3],
+        "datetime": model.datetime.isoformat(timespec="milliseconds").replace("+00:00", "Z"),
         "decimal_value": "0.984",
         "duration": "-1 19:00:00",
         "float_value": "0.583",
@@ -195,7 +195,7 @@ def test_subclass_complicated_model():
         "subclass_name": "def",
         "pk": 2,
         "name": "abc",
-        "datetime": model.datetime.isoformat()[:-3],
+        "datetime": model.datetime.isoformat(timespec="milliseconds").replace("+00:00", "Z"),
         "float_value": "0.583",
         "decimal_value": "0.984",
         "uuid": str(model.uuid),
@@ -231,7 +231,7 @@ def test_model_with_timedelta(db):  # noqa: ARG001
             "decimal_value": None,
             "uuid": str(flavor.uuid),
             "date": str(now_dt.date()),
-            "datetime": now_dt.isoformat()[:-3],
+            "datetime": now_dt.isoformat(timespec="milliseconds").replace("+00:00", "Z"),
             "time": str(now_dt.time())[:-3],
             "duration": "-1 19:00:00",
             "pk": 8,