Api to read the machine manifest (New)

checkbox-support/checkbox_support/manifest.py

@@ -0,0 +1,31 @@
+"""
+Support interfaces related manifest.json
+
+Copyright (C) 2025 Canonical Ltd.
+
+Authors: Massimiliano Girardi <massimiliano.girardi@canonical.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License version 3,
+as published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+
+import json
+from contextlib import suppress
+from collections import defaultdict
+
+
+def get_manifest() -> defaultdict:
+    to_r = defaultdict(bool)
+    with suppress(FileNotFoundError):
+        with open("/var/tmp/checkbox-ng/machine-manifest.json") as f:
+            to_r.update(json.load(f))
+    return to_r

checkbox-support/checkbox_support/tests/test_manifest.py

@@ -0,0 +1,40 @@
+# This file is part of Checkbox.
+#
+# Copyright 2025 Canonical Ltd.
+# Written by:
+#   Massimiliano Girardi <massimiliano.giardi@canonical.com>
+#
+# Checkbox is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3,
+# as published by the Free Software Foundation.
+#
+# Checkbox is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Checkbox.  If not, see <http://www.gnu.org/licenses/>.
+
+from unittest import TestCase
+from unittest.mock import patch, mock_open, MagicMock
+
+from checkbox_support.manifest import get_manifest
+
+
+class TestManifest(TestCase):
+    def test_manifest_present(self):
+        mock_file = mock_open(
+            read_data='{"com.canonical.certification::some": true}'
+        )
+        with patch("builtins.open", mock_file) as _:
+            manifest = get_manifest()
+        self.assertTrue(manifest["com.canonical.certification::some"])
+        self.assertFalse(manifest["com.canonical.certification::other"])
+
+    @patch("builtins.open", new=MagicMock(side_effect=FileNotFoundError))
+    def test_manifest_not_present(self):
+        manifest = get_manifest()
+
+        self.assertFalse(manifest["com.canonical.certification::some"])
+        self.assertFalse(manifest["com.canonical.certification::other"])