fix: all lifecycle commands need a project

craft_application/commands/lifecycle.py

@@ -59,6 +59,9 @@ def run(self, parsed_args: argparse.Namespace) -> None:
 
 
 class _LifecyclePartsCommand(_LifecycleCommand):
+    # All lifecycle-related commands need a project to work
+    always_load_project = True
+
     @override
     def fill_parser(self, parser: argparse.ArgumentParser) -> None:
         super().fill_parser(parser)  # type: ignore[arg-type]
@@ -321,7 +324,6 @@ class CleanCommand(_LifecyclePartsCommand):
         remove the packing environment.
         """
     )
-    always_load_project = True
 
     @override
     def run(self, parsed_args: argparse.Namespace) -> None:

tests/integration/test_application.py

@@ -20,14 +20,16 @@
 import craft_cli
 import pytest
 import pytest_check
-from overrides import override
+from typing_extensions import override
 
 
 @pytest.fixture()
-def create_app(app_metadata, fake_project, fake_package_service_class):
+def create_app(app_metadata, fake_package_service_class):
     def _inner():
+        # Create a factory without a project, to simulate a real application use
+        # and force loading from disk.
         services = craft_application.ServiceFactory(
-            app_metadata, project=fake_project, PackageClass=fake_package_service_class
+            app_metadata, PackageClass=fake_package_service_class
         )
         return craft_application.Application(app_metadata, services)