Allow registration before first IP update

tests/test_api.py

@@ -273,8 +273,9 @@ def test_registration_publishes_initial_dns_when_provider_is_configured(tmp_path
     assert published[0].ipv4 == "203.0.113.77"
 
 
-def test_registration_requires_ip_when_provider_source_ip_is_not_public(tmp_path: Path, monkeypatch) -> None:
-    monkeypatch.setattr(ddns_module, "publish_dns", lambda result, settings: None)
+def test_registration_without_public_source_ip_waits_for_first_router_update(tmp_path: Path, monkeypatch) -> None:
+    published = []
+    monkeypatch.setattr(ddns_module, "publish_dns", lambda result, settings: published.append(result))
     app = make_app(
         DdnsSettings(
             database_path=tmp_path / "ddns.sqlite3",
@@ -289,12 +290,19 @@ def test_registration_requires_ip_when_provider_source_ip_is_not_public(tmp_path
     client = TestClient(app)
 
     body = client.post("/api/v1/hostnames").json()
+    update_path = _path(body["update_url"])
     registered = client.post(_path(body["registration_url"]))
     status = client.get(f"/api/v1/hostnames/{body['dashboard_url'].rsplit('/', 1)[1]}")
+    update = client.get(update_path, params={"myip": "203.0.113.80"})
 
-    assert registered.status_code == 400
-    assert registered.text.startswith("badip registration needs a public source IP")
-    assert status.json()["status"] == "pending"
+    assert registered.status_code == 200
+    assert registered.text == "good registered"
+    assert status.json()["status"] == "active"
+    assert status.json()["ipv4"] is None
+    assert update.status_code == 200
+    assert update.text == "good 203.0.113.80"
+    assert len(published) == 1
+    assert published[0].ipv4 == "203.0.113.80"
 
 
 def test_api_update_publishes_before_recording_ip(tmp_path: Path, monkeypatch) -> None: