1 files changed, 53 insertions, 1 deletions
diff --git a/tests/unittests/config/test_cc_debug.py b/tests/unittests/config/test_cc_debug.py
index 79a88561..fc8d43dc 100644
--- a/tests/unittests/config/test_cc_debug.py
+++ b/tests/unittests/config/test_cc_debug.py
@@ -2,12 +2,24 @@
 #
 # This file is part of cloud-init. See LICENSE file for license information.
 import logging
+import re
 import shutil
 import tempfile
 
+import pytest
+
 from cloudinit import util
 from cloudinit.config import cc_debug
-from tests.unittests.helpers import FilesystemMockingTestCase, mock
+from cloudinit.config.schema import (
+    SchemaValidationError,
+    get_schema,
+    validate_cloudconfig_schema,
+)
+from tests.unittests.helpers import (
+    FilesystemMockingTestCase,
+    mock,
+    skipUnlessJsonSchema,
+)
 from tests.unittests.util import get_cloud
 
 LOG = logging.getLogger(__name__)
@@ -57,4 +69,44 @@ class TestDebug(FilesystemMockingTestCase):
         )
 
 
+@skipUnlessJsonSchema()
+class TestDebugSchema:
+    """Directly test schema rather than through handle."""
+
+    @pytest.mark.parametrize(
+        "config, error_msg",
+        (
+            # Valid schemas tested by meta.examples in test_schema
+            # Invalid schemas
+            ({"debug": 1}, "debug: 1 is not of type 'object'"),
+            (
+                {"debug": {}},
+                re.escape("debug: {} does not have enough properties"),
+            ),
+            (
+                {"debug": {"boguskey": True}},
+                re.escape(
+                    "Additional properties are not allowed ('boguskey' was"
+                    " unexpected)"
+                ),
+            ),
+            (
+                {"debug": {"verbose": 1}},
+                "debug.verbose: 1 is not of type 'boolean'",
+            ),
+            (
+                {"debug": {"output": 1}},
+                "debug.output: 1 is not of type 'string'",
+            ),
+        ),
+    )
+    @skipUnlessJsonSchema()
+    def test_schema_validation(self, config, error_msg):
+        """Assert expected schema validation and error messages."""
+        # New-style schema $defs exist in config/cloud-init-schema*.json
+        schema = get_schema()
+        with pytest.raises(SchemaValidationError, match=error_msg):
+            validate_cloudconfig_schema(config, schema, strict=True)
+
+
 # vi: ts=4 expandtab