test(settings): failing tests for public_base_url helper

tests/core/test_settings_public_base_url.py

@@ -0,0 +1,51 @@
+"""Pure-function tests for public_base_url() — no DB, no Quart fixtures.
+
+The helper consults current_app.config["PUBLIC_BASE_URL"] and falls back to
+request.host_url. We stub both via types.SimpleNamespace + monkeypatch of
+quart.current_app so the helper runs in isolation.
+"""
+from types import SimpleNamespace
+import pytest
+
+from roundtable.core import settings as settings_module
+
+
+def _fake_request(host_url: str) -> SimpleNamespace:
+    return SimpleNamespace(host_url=host_url)
+
+
+@pytest.fixture
+def fake_current_app(monkeypatch):
+    """Replace quart.current_app with a stub whose .config is a plain dict."""
+    app = SimpleNamespace(config={})
+    monkeypatch.setattr("quart.current_app", app, raising=False)
+    return app
+
+
+def test_returns_configured_url(fake_current_app):
+    fake_current_app.config["PUBLIC_BASE_URL"] = "https://monitor.example.com"
+    req = _fake_request("http://internal.lan/")
+    assert settings_module.public_base_url(req) == "https://monitor.example.com"
+
+
+def test_strips_trailing_slash_from_configured(fake_current_app):
+    fake_current_app.config["PUBLIC_BASE_URL"] = "https://monitor.example.com/"
+    req = _fake_request("http://internal.lan/")
+    assert settings_module.public_base_url(req) == "https://monitor.example.com"
+
+
+def test_empty_configured_falls_back_to_request_host(fake_current_app):
+    fake_current_app.config["PUBLIC_BASE_URL"] = ""
+    req = _fake_request("http://internal.lan/")
+    assert settings_module.public_base_url(req) == "http://internal.lan"
+
+
+def test_whitespace_configured_falls_back(fake_current_app):
+    fake_current_app.config["PUBLIC_BASE_URL"] = "   "
+    req = _fake_request("http://internal.lan/")
+    assert settings_module.public_base_url(req) == "http://internal.lan"
+
+
+def test_missing_key_falls_back(fake_current_app):
+    req = _fake_request("http://internal.lan/")
+    assert settings_module.public_base_url(req) == "http://internal.lan"