test: add test coverage for iproute2 commands (#5651)

tests/unittests/net/netops/test_iproute2.py

@@ -0,0 +1,203 @@
+from unittest import mock
+
+from cloudinit.net.netops import iproute2
+from cloudinit.subp import SubpResult
+
+
+class TestOps:
+ @mock.patch.object(iproute2.subp, "subp")
+ def test_link_up(self, m_subp):
+ iproute2.Iproute2.link_up("eth0")
+ iproute2.Iproute2.link_up("eth0", "inet6")
+ assert m_subp.call_args_list == [
+ mock.call(["ip", "link", "set", "dev", "eth0", "up"]),
+ mock.call(
+ ["ip", "-family", "inet6", "link", "set", "dev", "eth0", "up"]
+ ),
+ ]
+
+ @mock.patch.object(iproute2.subp, "subp")
+ def test_link_down(self, m_subp):
+ iproute2.Iproute2.link_down("enp24s0")
+ iproute2.Iproute2.link_down("eno1", "inet6")
+ assert m_subp.call_args_list == [
+ mock.call(["ip", "link", "set", "dev", "enp24s0", "down"]),
+ mock.call(
+ [
+ "ip",
+ "-family",
+ "inet6",
+ "link",
+ "set",
+ "dev",
+ "eno1",
+ "down",
+ ]
+ ),
+ ]
+
+ @mock.patch.object(iproute2.subp, "subp")
+ def test_link_rename(self, m_subp):
+ iproute2.Iproute2.link_rename("ens1", "ego1")
+ assert m_subp.call_args_list == [
+ mock.call(["ip", "link", "set", "ens1", "name", "ego1"])
+ ]
+
+ @mock.patch.object(iproute2.subp, "subp")
+ def test_add_route(self, m_subp):
+ iproute2.Iproute2.add_route("wlan0", "102.42.42.0/24")
+ iproute2.Iproute2.add_route(
+ "ens2",
+ "102.42.0.0/16",
+ gateway="192.168.2.254",
+ source_address="192.168.2.1",
+ )
+ assert m_subp.call_args_list == [
+ mock.call(
+ [
+ "ip",
+ "-4",
+ "route",
+ "replace",
+ "102.42.42.0/24",
+ "dev",
+ "wlan0",
+ ]
+ ),
+ mock.call(
+ [
+ "ip",
+ "-4",
+ "route",
+ "replace",
+ "102.42.0.0/16",
+ "via",
+ "192.168.2.254",
+ "dev",
+ "ens2",
+ "src",
+ "192.168.2.1",
+ ]
+ ),
+ ]
+
+ @mock.patch.object(iproute2.subp, "subp")
+ def test_del_route(self, m_subp):
+ iproute2.Iproute2.del_route("wlan0", "102.42.42.0/24")
+ iproute2.Iproute2.del_route(
+ "ens2",
+ "102.42.0.0/16",
+ gateway="192.168.2.254",
+ source_address="192.168.2.1",
+ )
+ assert m_subp.call_args_list == [
+ mock.call(
+ ["ip", "-4", "route", "del", "102.42.42.0/24", "dev", "wlan0"]
+ ),
+ mock.call(
+ [
+ "ip",
+ "-4",
+ "route",
+ "del",
+ "102.42.0.0/16",
+ "via",
+ "192.168.2.254",
+ "dev",
+ "ens2",
+ "src",
+ "192.168.2.1",
+ ]
+ ),
+ ]
+
+ @mock.patch.object(iproute2.subp, "subp")
+ def test_append_route(self, m_subp):
+ iproute2.Iproute2.append_route("wlan0", "102.42.42.0/24", "10.0.4.254")
+ assert m_subp.call_args_list == [
+ mock.call(
+ [
+ "ip",
+ "-4",
+ "route",
+ "append",
+ "102.42.42.0/24",
+ "via",
+ "10.0.4.254",
+ "dev",
+ "wlan0",
+ ]
+ )
+ ]
+
+ @mock.patch.object(iproute2.subp, "subp")
+ def test_add_addr(self, m_subp):
+ iproute2.Iproute2.add_addr("wlan0", "10.0.17.0", "10.0.17.255")
+ assert m_subp.call_args_list == [
+ mock.call(
+ [
+ "ip",
+ "-family",
+ "inet",
+ "addr",
+ "add",
+ "10.0.17.0",
+ "broadcast",
+ "10.0.17.255",
+ "dev",
+ "wlan0",
+ ],
+ ),
+ ]
+
+ @mock.patch.object(iproute2.subp, "subp")
+ def test_del_addr(self, m_subp):
+ iproute2.Iproute2.del_addr("eth0", "10.0.8.3")
+ assert m_subp.call_args_list == [
+ mock.call(
+ [
+ "ip",
+ "-family",
+ "inet",
+ "addr",
+ "del",
+ "10.0.8.3",
+ "dev",
+ "eth0",
+ ],
+ ),
+ ]
+
+ @mock.patch.object(iproute2.subp, "subp")
+ def test_flush_addr(self, m_subp):
+ iproute2.Iproute2.flush_addr("eth0")
+ assert m_subp.call_args_list == [
+ mock.call(
+ ["ip", "addr", "flush", "dev", "eth0"],
+ ),
+ ]
+
+ @mock.patch.object(
+ iproute2.subp,
+ "subp",
+ return_value=SubpResult(
+ "default via 192.168.0.1 dev enp2s0 proto dhcp src 192.168.0.104"
+ " metric 100",
+ "",
+ ),
+ )
+ def test_add_default_route(self, m_subp):
+ assert iproute2.Iproute2.get_default_route() == (
+ "default via 192.168.0.1 dev enp2s0 proto dhcp src"
+ " 192.168.0.104 metric 100"
+ )
+ assert m_subp.call_args_list == [
+ mock.call(
+ [
+ "ip",
+ "route",
+ "show",
+ "0.0.0.0/0",
+ ],
+ ),
+ ]