Implemented that schemas are recognized

cli/build/defaults/applications.py

@@ -53,7 +53,8 @@ class DefaultsGenerator:
                 continue
 
             if not config_file.exists():
-                self.log(f"Skipping {role_name}: config/main.yml missing")
+                self.log(f"Config missing for {role_name}, adding empty defaults for '{application_id}'")
+                result["defaults_applications"][application_id] = {}
                 continue
 
             config_data = load_yaml_file(config_file)
@@ -106,4 +107,4 @@ if __name__ == "__main__":
     roles_dir = (cwd / args.roles_dir).resolve()
     output_file = (cwd / args.output_file).resolve()
 
-    DefaultsGenerator(roles_dir, output_file, args.verbose, args.timeout).run()
+    DefaultsGenerator(roles_dir, output_file, args.verbose, args.timeout).run()

roles/drv-msi-keyboard-color/README.md

@@ -18,20 +18,6 @@ vendor_and_product_id: ""
 
 The `vendor_and_product_id` variable is required and should be set to the vendor and product ID of the MSI laptop.
 
-## Dependencies
-
-- `sys-pgm-aur`
-
-## Example Playbook
-
-```yaml
-- hosts: all
-  roles:
-    - keyboard-color
-  vars:
-    vendor_and_product_id: "your_vendor_and_product_id"
-```
-
 ## Author
 
 This role was created by [Kevin Veen-Birkenbach](https://github.com/kevinveenbirkenbach).

roles/drv-msi-keyboard-color/Todo.md

@@ -0,0 +1,2 @@
+# Todo
+- Implement schema

roles/drv-msi-keyboard-color/schema/main.yml

@@ -0,0 +1 @@
+vendor_and_product_id: "" # @todo schema needs to be implemented

roles/drv-msi-keyboard-color/vars/main.yml

@@ -1 +1,2 @@
-application_id: drv-msi-keyboard-color
+application_id:         drv-msi-keyboard-color
+vendor_and_product_id:  "{{ applications | get_app_conf(application_id, 'vendor_and_product_id') }}"

tests/integration/test_get_app_conf_paths.py

@@ -7,7 +7,7 @@ from pathlib import Path
 
 import yaml  # requires PyYAML
 from filter_plugins.get_role import get_role
-
+from filter_plugins.get_app_conf import get_app_conf, ConfigEntryNotSetError
 
 class TestGetAppConfPaths(unittest.TestCase):
     @classmethod
@@ -88,12 +88,19 @@ class TestGetAppConfPaths(unittest.TestCase):
             cur = cur[k]
 
     def test_literal_paths(self):
-        # Check each literal path exists
+        # Check each literal path exists or is allowed by schema
         for app_id, paths in self.literal_paths.items():
             with self.subTest(app=app_id):
                 self.assertIn(app_id, self.defaults_app, f"App '{app_id}' missing in defaults_applications")
                 for dotted, occs in paths.items():
                     with self.subTest(path=dotted):
+                        try:
+                            # will raise ConfigEntryNotSetError if defined in schema but not set
+                            get_app_conf(self.defaults_app, app_id, dotted, strict=True)
+                        except ConfigEntryNotSetError:
+                            # defined in schema but not set: acceptable
+                            continue
+                        # otherwise, perform static validation
                         self._validate(app_id, dotted, occs)
 
     def test_variable_paths(self):
@@ -103,6 +110,13 @@ class TestGetAppConfPaths(unittest.TestCase):
         for dotted, occs in self.variable_paths.items():
             with self.subTest(path=dotted):
                 found = False
+                # schema-defined entries: acceptable if defined in any role schema
+                for schema in self.role_schemas.values():
+                    if isinstance(schema, dict) and dotted in schema:
+                        found = True
+                        break
+                if found:
+                    continue
                 # credentials.*: zuerst in defaults_applications prüfen, dann im Schema
                 if dotted.startswith('credentials.'):
                     key = dotted.split('.', 1)[1]
@@ -182,4 +196,4 @@ class TestGetAppConfPaths(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest.main()

tests/unit/cli/generate/defaults/test_applications.py

@@ -50,6 +50,61 @@ class TestGenerateDefaultApplications(unittest.TestCase):
         self.assertIn("testapp", data["defaults_applications"])
         self.assertEqual(data["defaults_applications"]["testapp"]["foo"], "bar")
         self.assertEqual(data["defaults_applications"]["testapp"]["baz"], 123)
+        
+    def test_missing_config_adds_empty_defaults(self):
+        """
+        If a role has vars/main.yml but no config/main.yml,
+        the generator should still create an entry with an empty dict.
+        """
+        # Create a role with vars/main.yml but without config/main.yml
+        role_no_config = self.roles_dir / "role-no-config"
+        (role_no_config / "vars").mkdir(parents=True)
+        (role_no_config / "vars" / "main.yml").write_text("application_id: noconfigapp\n")
+
+        # Run the generator
+        result = subprocess.run(
+            ["python3", str(self.script_path),
+             "--roles-dir", str(self.roles_dir),
+             "--output-file", str(self.output_file)],
+            capture_output=True, text=True
+        )
+        self.assertEqual(result.returncode, 0, msg=result.stderr)
+
+        # Verify the output YAML
+        data = yaml.safe_load(self.output_file.read_text())
+        apps = data.get("defaults_applications", {})
+
+        # The new application_id must exist and be an empty dict
+        self.assertIn("noconfigapp", apps)
+        self.assertEqual(apps["noconfigapp"], {})
+
+    def test_no_config_directory_adds_empty_defaults(self):
+        """
+        If a role has vars/main.yml but no config directory at all,
+        the generator should still emit an empty-dict entry.
+        """
+        # Create a role with vars/main.yml but do not create config/ at all
+        role_no_cfg_dir = self.roles_dir / "role-no-cfg-dir"
+        (role_no_cfg_dir / "vars").mkdir(parents=True)
+        (role_no_cfg_dir / "vars" / "main.yml").write_text("application_id: nocfgdirapp\n")
+        # Note: no config/ directory is created here
+
+        # Run the generator again
+        result = subprocess.run(
+            ["python3", str(self.script_path),
+             "--roles-dir", str(self.roles_dir),
+             "--output-file", str(self.output_file)],
+            capture_output=True, text=True
+        )
+        self.assertEqual(result.returncode, 0, msg=result.stderr)
+
+        # Load and inspect the output
+        data = yaml.safe_load(self.output_file.read_text())
+        apps = data.get("defaults_applications", {})
+
+        # Ensure that the application_id appears with an empty mapping
+        self.assertIn("nocfgdirapp", apps)
+        self.assertEqual(apps["nocfgdirapp"], {})
 
 
 if __name__ == "__main__":

tests/unit/filter_plugins/test_app_conf_extra_schema.py

@@ -0,0 +1,71 @@
+import os
+import tempfile
+import unittest
+import yaml
+from pathlib import Path
+
+from filter_plugins.get_app_conf import get_app_conf, AppConfigKeyError, ConfigEntryNotSetError
+
+class TestGetAppConfFunctionality(unittest.TestCase):
+    def setUp(self):
+        # Create a temp directory to simulate roles and schema files
+        self.tempdir = tempfile.TemporaryDirectory()
+        self.roles_dir = Path(self.tempdir.name) / "roles"
+        self.roles_dir.mkdir()
+
+        # application_id used in tests
+        self.app_id = "testapp"
+        # application dict missing the 'nested.key'
+        self.applications = {self.app_id: {}}
+
+        # Create schema directory and file for testapp
+        schema_dir = self.roles_dir / self.app_id / "schema"
+        schema_dir.mkdir(parents=True)
+        schema_file = schema_dir / "main.yml"
+        # Define a nested key in schema
+        schema_data = {
+            'nested': {
+                'key': ''
+            }
+        }
+        with schema_file.open('w', encoding='utf-8') as f:
+            yaml.safe_dump(schema_data, f)
+
+        # Change cwd so get_app_conf finds roles/<app_id>/schema/main.yml
+        self.orig_cwd = os.getcwd()
+        os.chdir(self.tempdir.name)
+
+    def tearDown(self):
+        os.chdir(self.orig_cwd)
+        self.tempdir.cleanup()
+
+    def test_config_entry_not_set_error_raised(self):
+        # Attempt to access a key defined in schema but not set in applications
+        with self.assertRaises(ConfigEntryNotSetError):
+            get_app_conf(self.applications, self.app_id, 'nested.key', strict=True)
+
+    def test_strict_key_error_when_not_in_schema(self):
+        # Access a key not defined in schema nor in applications
+        with self.assertRaises(AppConfigKeyError):
+            get_app_conf(self.applications, self.app_id, 'undefined.path', strict=True)
+
+    def test_non_strict_returns_default(self):
+        # Non-strict mode should return default instead of raising
+        default_val = 'fallback'
+        result = get_app_conf(self.applications, self.app_id, 'nested.key', strict=False, default=default_val)
+        self.assertEqual(result, default_val)
+
+    def test_list_indexing_and_missing(self):
+        # Extend schema to define a list
+        schema_file = Path('roles') / self.app_id / 'schema' / 'main.yml'
+        schema_data = {'items': ['']}
+        with schema_file.open('w', encoding='utf-8') as f:
+            yaml.safe_dump(schema_data, f)
+
+        # Insert list into applications but leave index out of range
+        self.applications[self.app_id]['items'] = []
+        with self.assertRaises(AppConfigKeyError):
+            get_app_conf(self.applications, self.app_id, 'items[0]', strict=True)
+
+if __name__ == '__main__':
+    unittest.main()