1 files changed, 51 insertions, 0 deletions
diff --git a/tests/unittests/config/test_cc_byobu.py b/tests/unittests/config/test_cc_byobu.py
new file mode 100644
index 00000000..fbdf3403
--- /dev/null
+++ b/tests/unittests/config/test_cc_byobu.py
@@ -0,0 +1,51 @@
+# This file is part of cloud-init. See LICENSE file for license information.
+
+import re
+
+import pytest
+
+from cloudinit.config.schema import (
+    SchemaValidationError,
+    get_schema,
+    validate_cloudconfig_schema,
+)
+from tests.unittests.helpers import skipUnlessJsonSchema
+
+
+class TestByobuSchema:
+    """Directly test schema rather than through handle."""
+
+    @pytest.mark.parametrize(
+        "config, error_msg",
+        (
+            # Supplement valid schemas tested by meta.examples in test_schema
+            ({"byobu_by_default": "enable"}, None),
+            # Invalid schemas
+            (
+                {"byobu_by_default": 1},
+                "byobu_by_default: 1 is not of type 'string'",
+            ),
+            (
+                {"byobu_by_default": "bogusenum"},
+                re.escape(
+                    "byobu_by_default: 'bogusenum' is not one of"
+                    " ['enable-system', 'enable-user', 'disable-system',"
+                    " 'disable-user', 'enable', 'disable',"
+                    " 'user', 'system']"
+                ),
+            ),
+        ),
+    )
+    @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()
+        if error_msg is None:
+            validate_cloudconfig_schema(config, schema, strict=True)
+        else:
+            with pytest.raises(SchemaValidationError, match=error_msg):
+                validate_cloudconfig_schema(config, schema, strict=True)
+
+
+# vi: ts=4 expandtab