fix(ui): refresh stale model page versions

tests/routes/test_model_page_view.py

@@ -0,0 +1,66 @@
+from __future__ import annotations
+
+from types import SimpleNamespace
+
+import jinja2
+
+from py.routes.handlers.model_handlers import ModelPageView
+
+
+class DummySettings:
+    def get(self, key, default=None):
+        return default
+
+
+class DummyI18n:
+    def __init__(self):
+        self.locale = None
+
+    def set_locale(self, locale):
+        self.locale = locale
+
+    def get_translation(self, key, default=None, **_kwargs):
+        return default or key
+
+    def create_template_filter(self):
+        return lambda key, *_args, **_kwargs: key
+
+
+class DummyScanner:
+    def __init__(self):
+        self._cache = SimpleNamespace()
+
+    async def get_cached_data(self, *_args, **_kwargs):
+        return SimpleNamespace(folders=[])
+
+
+class DummyService:
+    def __init__(self):
+        self.scanner = DummyScanner()
+
+
+async def test_model_page_view_reads_version_per_request():
+    template_env = jinja2.Environment(
+        loader=jinja2.DictLoader({"dummy.html": "{{ version }}"}),
+        autoescape=True,
+    )
+    view = ModelPageView(
+        template_env=template_env,
+        template_name="dummy.html",
+        service=DummyService(),
+        settings_service=DummySettings(),
+        server_i18n=DummyI18n(),
+        logger=SimpleNamespace(
+            debug=lambda *_args, **_kwargs: None,
+            error=lambda *_args, **_kwargs: None,
+        ),
+    )
+
+    view._get_app_version = lambda: "1.0.2-old"
+    first = await view.handle(SimpleNamespace())
+
+    view._get_app_version = lambda: "1.0.2-new"
+    second = await view.handle(SimpleNamespace())
+
+    assert first.text == "1.0.2-old"
+    assert second.text == "1.0.2-new"