Signed-off-by: David Gibson <david(a)gibson.dropbear.id.au>
---
test/tasst/selftest/veth.py | 7 +++++++
test/tasst/snh.py | 11 ++++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/test/tasst/selftest/veth.py b/test/tasst/selftest/veth.py
index 3c0b3f5b..5c8f0c0b 100644
--- a/test/tasst/selftest/veth.py
+++ b/test/tasst/selftest/veth.py
@@ -31,3 +31,10 @@ def test_ifs():
with unconfigured_veth() as (ns1, ns2):
exeter.assert_eq(set(ns1.ifs()), set(['lo', 'veth1']))
exeter.assert_eq(set(ns2.ifs()), set(['lo', 'veth2']))
+
+
+(a)exeter.test
+def test_mtu():
+ with unconfigured_veth() as (ns1, ns2):
+ exeter.assert_eq(ns1.mtu('veth1'), 1500)
+ exeter.assert_eq(ns2.mtu('veth2'), 1500)
diff --git a/test/tasst/snh.py b/test/tasst/snh.py
index fd8f6f13..0554fbd0 100644
--- a/test/tasst/snh.py
+++ b/test/tasst/snh.py
@@ -130,6 +130,11 @@ class SimNetHost(contextlib.AbstractContextManager):
for ai in self.addrinfos(ifname, **criteria)
if 'tentative' not in ai]
+ def mtu(self, ifname):
+ cmd = ['ip', '-j', 'link', 'show',
f'{ifname}']
+ (info,) = json.loads(self.output(*cmd))
+ return info['mtu']
+
# Internal tests
def test_true(self):
with self as snh:
@@ -192,10 +197,14 @@ class SimNetHost(contextlib.AbstractContextManager):
with self as snh:
assert set(snh.addrs('lo')) == expected
+ def test_lo_mtu(self):
+ with self as snh:
+ exeter.assert_eq(snh.mtu('lo'), 65536)
+
SELFTESTS = [test_true, test_false, test_echo, test_timeout,
test_bg_true, test_bg_false, test_bg_echo, test_bg_timeout,
test_bg_context_timeout,
- test_has_lo, test_lo_addrs]
+ test_has_lo, test_lo_addrs, test_lo_mtu]
@classmethod
def selftest(cls, setup):
--
2.45.2