refactor: Migrate CLI and API components to use castle-core for configuration and manifest handling

core/tests/test_systemd.py

@@ -0,0 +1,57 @@
+"""Tests for systemd unit generation."""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from castle_core.config import load_config
+from castle_core.generators.systemd import generate_unit, unit_name
+
+
+class TestUnitName:
+    """Tests for systemd unit naming."""
+
+    def test_unit_name_format(self) -> None:
+        """Unit names follow castle-<name>.service pattern."""
+        assert unit_name("central-context") == "castle-central-context.service"
+        assert unit_name("my-svc") == "castle-my-svc.service"
+
+
+class TestUnitGeneration:
+    """Tests for systemd unit file generation."""
+
+    def test_contains_description(self, castle_root: Path) -> None:
+        """Unit file has service description."""
+        config = load_config(castle_root)
+        manifest = config.components["test-svc"]
+        unit = generate_unit(config, "test-svc", manifest)
+        assert "Description=Castle: Test service" in unit
+
+    def test_contains_working_dir(self, castle_root: Path) -> None:
+        """Unit file has correct working directory."""
+        config = load_config(castle_root)
+        manifest = config.components["test-svc"]
+        unit = generate_unit(config, "test-svc", manifest)
+        assert f"WorkingDirectory={castle_root / 'test-svc'}" in unit
+
+    def test_contains_environment(self, castle_root: Path) -> None:
+        """Unit file has environment variables."""
+        config = load_config(castle_root)
+        manifest = config.components["test-svc"]
+        unit = generate_unit(config, "test-svc", manifest)
+        expected_data_dir = str(castle_root / "data" / "test-svc")
+        assert f"Environment=TEST_SVC_DATA_DIR={expected_data_dir}" in unit
+
+    def test_contains_restart_policy(self, castle_root: Path) -> None:
+        """Unit file has restart configuration."""
+        config = load_config(castle_root)
+        manifest = config.components["test-svc"]
+        unit = generate_unit(config, "test-svc", manifest)
+        assert "Restart=on-failure" in unit
+
+    def test_uses_uv_run(self, castle_root: Path) -> None:
+        """Unit file ExecStart uses uv run for python_uv_tool."""
+        config = load_config(castle_root)
+        manifest = config.components["test-svc"]
+        unit = generate_unit(config, "test-svc", manifest)
+        assert "run test-svc" in unit