Signed-off-by: David Gibson <david(a)gibson.dropbear.id.au>
---
test/tasst/exesite.py | 11 ++++++++++-
test/tasst/meta/veth.py | 9 ++++++++-
2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/test/tasst/exesite.py b/test/tasst/exesite.py
index 246f9b3f..63872c34 100644
--- a/test/tasst/exesite.py
+++ b/test/tasst/exesite.py
@@ -124,6 +124,11 @@ class Site(contextlib.AbstractContextManager):
for ai in self.addrinfos(ifname, **criteria)
if 'tentative' not in ai]
+ def mtu(self, ifname):
+ self.require_cmds('ip')
+ (info,) = json.loads(self.output(f'ip -j link show {ifname}'))
+ return info['mtu']
+
def test_site(sitefn):
def test_true(s):
@@ -184,10 +189,14 @@ def test_site(sitefn):
with s as site:
assert_eq_unordered(site.addrs('lo'), expected)
+ def test_lo_mtu(s):
+ with s as site:
+ assert_eq(site.mtu('lo'), 65536)
+
return test_output(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)(sitefn)
+ test_has_lo, test_lo_addrs, test_lo_mtu)(sitefn)
def test_isolated_site(sitefn):
diff --git a/test/tasst/meta/veth.py b/test/tasst/meta/veth.py
index 9cef6271..053bd9c8 100644
--- a/test/tasst/meta/veth.py
+++ b/test/tasst/meta/veth.py
@@ -13,7 +13,7 @@ meta/veth.py - Test various veth configurations
import contextlib
-from avocado_classless.test import assert_eq_unordered, test
+from avocado_classless.test import assert_eq, assert_eq_unordered, test
from tasst.nstool import unshare_site
@@ -31,3 +31,10 @@ def test_ifs():
with unconfigured_veth() as (ns1, ns2):
assert_eq_unordered(ns1.ifs(), ['lo', 'veth1'])
assert_eq_unordered(ns2.ifs(), ['lo', 'veth2'])
+
+
+@test
+def test_mtu():
+ with unconfigured_veth() as (ns1, ns2):
+ assert_eq(ns1.mtu('veth1'), 1500)
+ assert_eq(ns2.mtu('veth2'), 1500)
--
2.41.0