🚧 WIP

backend/tests/test_configgen.py

@@ -0,0 +1,77 @@
+"""Config generator unit tests (spec section 64: configuration generation)."""
+
+from __future__ import annotations
+
+import pytest
+
+from app.configgen import generate_config
+from app.models import BrokerSettings, ListenerConfig
+
+
+@pytest.fixture()
+def session(db_session):
+    yield db_session
+
+
+def test_generate_with_one_listener(session):
+    session.add(
+        ListenerConfig(
+            name="Production MQTT",
+            port=1883,
+            protocol="mqtt",
+            allow_anonymous=False,
+            max_connections=-1,
+            tls_enabled=False,
+            require_certificate=False,
+            use_identity_as_username=False,
+        )
+    )
+    session.commit()
+
+    result = generate_config(session)
+    assert "listener 1883" in result.config_text
+    assert "per_listener_settings false" in result.config_text
+    assert "global_plugin /usr/lib/mosquitto_dynamic_security.so" in result.config_text
+    assert "allow_anonymous false" in result.config_text
+    assert result.warnings == []
+
+
+def test_generate_includes_global_settings(session):
+    session.add(ListenerConfig(name="l", port=1883, protocol="mqtt"))
+    session.add(BrokerSettings(key="max_packet_size", value="2000000", value_type="int"))
+    session.commit()
+
+    result = generate_config(session)
+    assert "max_packet_size 2000000" in result.config_text
+
+
+def test_generate_refuses_without_listeners(session):
+    with pytest.raises(ValueError, match="no enabled listeners"):
+        generate_config(session)
+
+
+def test_disabled_listeners_are_omitted(session):
+    session.add(ListenerConfig(name="off", port=1884, protocol="mqtt", enabled=False))
+    session.add(ListenerConfig(name="on", port=1883, protocol="mqtt"))
+    session.commit()
+
+    result = generate_config(session)
+    assert "listener 1883" in result.config_text
+    assert "listener 1884" not in result.config_text
+
+
+def test_tls_listener_without_pki_warns(session):
+    session.add(
+        ListenerConfig(
+            name="tls-later",
+            port=8883,
+            protocol="mqtt",
+            tls_enabled=True,
+            tls_min_version="tlsv1.2",
+        )
+    )
+    session.commit()
+
+    result = generate_config(session)
+    assert any("PKI is not available" in w for w in result.warnings)
+    assert "tls_version tlsv1.2" in result.config_text