1 files changed, 70 insertions, 10 deletions
diff --git a/tests/unittests/test_net_freebsd.py b/tests/unittests/test_net_freebsd.py
index 414b4830..3facb2bb 100644
--- a/tests/unittests/test_net_freebsd.py
+++ b/tests/unittests/test_net_freebsd.py
@@ -1,19 +1,79 @@
-from cloudinit import net
+import os
 
-from cloudinit.tests.helpers import (CiTestCase, mock, readResource)
+import cloudinit.net
+import cloudinit.net.network_state
+from cloudinit import safeyaml
+from tests.unittests.helpers import CiTestCase, dir2dict, mock, readResource
 
 SAMPLE_FREEBSD_IFCONFIG_OUT = readResource("netinfo/freebsd-ifconfig-output")
+V1 = """
+config:
+-   id: eno1
+    mac_address: 08:94:ef:51:ae:e0
+    mtu: 1470
+    name: eno1
+    subnets:
+    -   address: 172.20.80.129/25
+        type: static
+    type: physical
+version: 1
+"""
 
 
 class TestInterfacesByMac(CiTestCase):
-
-    @mock.patch('cloudinit.subp.subp')
-    @mock.patch('cloudinit.util.is_FreeBSD')
+    @mock.patch("cloudinit.subp.subp")
+    @mock.patch("cloudinit.util.is_FreeBSD")
     def test_get_interfaces_by_mac(self, mock_is_FreeBSD, mock_subp):
         mock_is_FreeBSD.return_value = True
         mock_subp.return_value = (SAMPLE_FREEBSD_IFCONFIG_OUT, 0)
-        a = net.get_interfaces_by_mac()
-        assert a == {'52:54:00:50:b7:0d': 'vtnet0',
-                     '80:00:73:63:5c:48': 're0.33',
-                     '02:14:39:0e:25:00': 'bridge0',
-                     '02:ff:60:8c:f3:72': 'vnet0:11'}
+        a = cloudinit.net.get_interfaces_by_mac()
+        assert a == {
+            "52:54:00:50:b7:0d": "vtnet0",
+            "80:00:73:63:5c:48": "re0.33",
+            "02:14:39:0e:25:00": "bridge0",
+            "02:ff:60:8c:f3:72": "vnet0:11",
+        }
+
+
+class TestFreeBSDRoundTrip(CiTestCase):
+    def _render_and_read(
+        self, network_config=None, state=None, netplan_path=None, target=None
+    ):
+        if target is None:
+            target = self.tmp_dir()
+            os.mkdir("%s/etc" % target)
+            with open("%s/etc/rc.conf" % target, "a") as fd:
+                fd.write("# dummy rc.conf\n")
+            with open("%s/etc/resolv.conf" % target, "a") as fd:
+                fd.write("# dummy resolv.conf\n")
+
+        if network_config:
+            ns = cloudinit.net.network_state.parse_net_config_data(
+                network_config
+            )
+        elif state:
+            ns = state
+        else:
+            raise ValueError("Expected data or state, got neither")
+
+        renderer = cloudinit.net.freebsd.Renderer()
+        renderer.render_network_state(ns, target=target)
+        return dir2dict(target)
+
+    @mock.patch("cloudinit.subp.subp")
+    def test_render_output_has_yaml(self, mock_subp):
+
+        entry = {
+            "yaml": V1,
+        }
+        network_config = safeyaml.load(entry["yaml"])
+        ns = cloudinit.net.network_state.parse_net_config_data(network_config)
+        files = self._render_and_read(state=ns)
+        assert files == {
+            "/etc/resolv.conf": "# dummy resolv.conf\n",
+            "/etc/rc.conf": (
+                "# dummy rc.conf\n"
+                "ifconfig_eno1="
+                "'172.20.80.129 netmask 255.255.255.128 mtu 1470'\n"
+            ),
+        }