T8989: wave4 vyos_command, dict_op refactorT8989_wave4

* T8989: vyos_command module

* T8989: vyos_command module UAT and SIT

* T8989: vyos_command changelog

* T8989: vyos_command linter

* T8989: vyos_config module

* T8989: vyos_config module changelog

* T8989: Wave 4 vyos_config module with integration and unit tests

* T8323: vyos_system module

* T8332: vyos_system SIT and UAT

* T8323: vyos_vlan module

* T8323: vyos_vlan module

* T8323: vyos_vlan module SIT and UAT

* T8323: vyos_system module

* T8989: Wave 4 vyos_vlan reworked with dict_op engine

* T8989: Fix dict_op single-value string list handling, add vyos_system integration tests

* T8989: logging_global refactor

* T8989: migrate ntp_global, logging_global, firewall_global to dict_op engine

* T8989: vyos_nat module for REST API collection

* T8989: vyos_nat module for REST API collection, linter fixes

* T8989: vyos_ha module for REST API collection

* T8989: vyos_ha module for REST API collection

* T8989: vyos_ha module sanity and linter fixes

* T8989: vyos_ha module sanity and linter fixes

* T8989: vyos_ha module linter fixes

* T8989: vyos.rest AI comment fixes

* T8323: vyos_nat AI comment fixes

* T8989 ai fixes

* T8989: vyos_bgp_address_family dict_op

* T8989: vyos_bgp_address_family vyos_bgp_global dict_op

* T8989: dict_op refactor for firewall_*, nat, user

* T8989: dict_op refactor for firewall_*, nat, user

* T8989: dict_op refactor for ntp_global, ha

* T8989: snmp_server dict_op refactor

* T8989: snmp_server dict_op refactor

* T8989: route_map dict_op refactor

1 files changed, 116 insertions, 0 deletions

diff --git a/tests/unit/modules/test_vyos_vlan.py b/tests/unit/modules/test_vyos_vlan.py
new file mode 100644
index 0000000..58c1be1
--- /dev/null
+++ b/tests/unit/modules/test_vyos_vlan.py
@@ -0,0 +1,116 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function
+
+
+__metaclass__ = type
+
+import unittest
+
+from unittest.mock import MagicMock
+
+from ansible_collections.vyos.rest.plugins.modules.vyos_vlan import (
+    build_commands,
+    get_running_config,
+)
+
+from .base import load_fixture
+
+
+_BASE = ["interfaces", "ethernet"]
+
+
+class TestVyOSVlanGetRunning(unittest.TestCase):
+
+    def setUp(self):
+        self.mock_vyos = MagicMock()
+        self.fixture = load_fixture("vlan_running.json")
+        self.mock_vyos.get_config = MagicMock(return_value=self.fixture)
+
+    def test_parses_vlans(self):
+        result = get_running_config(self.mock_vyos)
+        vlan_ids = [v["vlan_id"] for v in result]
+        self.assertIn(10, vlan_ids)
+        self.assertIn(20, vlan_ids)
+
+    def test_parses_description(self):
+        result = get_running_config(self.mock_vyos)
+        v10 = next(v for v in result if v["vlan_id"] == 10)
+        self.assertEqual(v10["description"], "VLAN10")
+
+    def test_parses_address(self):
+        result = get_running_config(self.mock_vyos)
+        v10 = next(v for v in result if v["vlan_id"] == 10)
+        self.assertEqual(v10["address"], "192.168.10.1/24")
+
+    def test_parses_multiple_interfaces(self):
+        result = get_running_config(self.mock_vyos)
+        v10 = next(v for v in result if v["vlan_id"] == 10)
+        self.assertIn("eth1", v10["interfaces"])
+        self.assertIn("eth2", v10["interfaces"])
+
+    def test_empty_config(self):
+        self.mock_vyos.get_config = MagicMock(return_value={})
+        result = get_running_config(self.mock_vyos)
+        self.assertEqual(result, [])
+
+
+class TestVyOSVlanBuildCommands(unittest.TestCase):
+
+    def _have(self):
+        return [
+            {
+                "vlan_id": 10,
+                "interfaces": ["eth1"],
+                "description": "VLAN10",
+                "address": "192.168.10.1/24",
+            },
+            {"vlan_id": 20, "interfaces": ["eth1"], "description": "VLAN20"},
+        ]
+
+    def test_present_new_vlan(self):
+        config = [{"vlan_id": 30, "description": "VLAN30", "interfaces": ["eth1"]}]
+        cmds = build_commands(config, [], "present")
+        self.assertIn(
+            ("set", _BASE + ["eth1", "vif", "30", "description", "VLAN30"]),
+            cmds,
+        )
+
+    def test_present_idempotent(self):
+        config = [
+            {
+                "vlan_id": 10,
+                "description": "VLAN10",
+                "address": "192.168.10.1/24",
+                "interfaces": ["eth1"],
+            },
+            {"vlan_id": 20, "description": "VLAN20", "interfaces": ["eth1"]},
+        ]
+        cmds = build_commands(config, self._have(), "present")
+        self.assertEqual(cmds, [])
+
+    def test_present_update_description(self):
+        config = [{"vlan_id": 10, "description": "VLAN10-new", "interfaces": ["eth1"]}]
+        cmds = build_commands(config, self._have(), "present")
+        self.assertIn(
+            ("set", _BASE + ["eth1", "vif", "10", "description", "VLAN10-new"]),
+            cmds,
+        )
+
+    def test_absent_existing(self):
+        config = [{"vlan_id": 10, "interfaces": ["eth1"]}]
+        cmds = build_commands(config, self._have(), "absent")
+        self.assertIn(("delete", _BASE + ["eth1", "vif", "10"]), cmds)
+
+    def test_absent_nonexistent(self):
+        config = [{"vlan_id": 99, "interfaces": ["eth1"]}]
+        cmds = build_commands(config, self._have(), "absent")
+        self.assertEqual(cmds, [])
+
+    def test_present_bare_vif(self):
+        config = [{"vlan_id": 30, "interfaces": ["eth1"]}]
+        cmds = build_commands(config, [], "present")
+        self.assertIn(("set", _BASE + ["eth1", "vif", "30"]), cmds)
+
+
+if __name__ == "__main__":
+    unittest.main()