test-network: add tests for invalid Address sections

test/test-network/conf/25-address-section-miscellaneous.network

@@ -1,6 +1,11 @@
 [Match]
 Name=dummy98
 
+[Network]
+# these lines are ignored
+Address=hogehoge
+Address=foofoo
+
 [Address]
 Address=10.2.3.4/16
 PreferredLifetime=0
@@ -8,3 +13,15 @@ Scope=link
 
 [Address]
 Address=2001:0db8:0:f101::1/64
+
+[Address]
+# this section must be ignored
+Peer=hoge
+Address=10.10.0.1/16
+Label=30
+
+[Address]
+# this section must be ignored
+Label=30
+Peer=hoge
+Address=10.10.0.2/16

test/test-network/systemd-networkd-tests.py

@@ -813,6 +813,9 @@ class NetworkdNetWorkTests(unittest.TestCase, Utilities):
         print(output)
         self.assertRegex(output, 'inet 10.2.3.4/16 brd 10.2.255.255 scope link deprecated dummy98')
         self.assertRegex(output, 'inet6 2001:db8:0:f101::1/64 scope global')
+        # also tests invalid [Address] section
+        self.assertNotRegex(output, '10.10.0.1/16')
+        self.assertNotRegex(output, '10.10.0.2/16')
 
     def test_ip_route(self):
         self.copy_unit_to_networkd_unit_path('25-route-section.network', '12-dummy.netdev')