xml: T3474: add smoketest to check xml component versions are maintained

Add smoketest to catch updates to a component version in legacy
curver_DATA that is not present in xml syntaxVersion.

2 files changed, 43 insertions, 0 deletions

diff --git a/python/vyos/systemversions.py b/python/vyos/systemversions.py
index 9b3f4f413..f2da76d4f 100644
--- a/python/vyos/systemversions.py
+++ b/python/vyos/systemversions.py
@@ -17,7 +17,10 @@ import os
 import re
 import sys
 import vyos.defaults
+from vyos.xml import component_version
 
+# legacy version, reading from the file names in
+# /opt/vyatta/etc/config-migrate/current
 def get_system_versions():
     """
     Get component versions from running system; critical failure if
@@ -37,3 +40,7 @@ def get_system_versions():
             system_versions[pair[0]] = int(pair[1])
 
     return system_versions
+
+# read from xml cache
+def get_system_component_version():
+    return component_version()
diff --git a/smoketest/scripts/cli/test_component_version.py b/smoketest/scripts/cli/test_component_version.py
new file mode 100755
index 000000000..777379bdd
--- /dev/null
+++ b/smoketest/scripts/cli/test_component_version.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later 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 unittest
+
+from vyos.systemversions import get_system_versions, get_system_component_version
+
+# After T3474, component versions should be updated in the files in
+# vyos-1x/interface-definitions/include/version/
+# This test verifies that the legacy version in curver_DATA does not exceed
+# that in the xml cache.
+class TestComponentVersion(unittest.TestCase):
+    def setUp(self):
+        self.legacy_d = get_system_versions()
+        self.xml_d = get_system_component_version()
+
+    def test_component_version(self):
+        self.assertTrue(set(self.legacy_d).issubset(set(self.xml_d)))
+        for k, v in self.legacy_d.items():
+            self.assertTrue(v <= self.xml_d[k])
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)