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From: David Gibson <david@gibson.dropbear.id.au>
To: passt-dev@passt.top, Stefano Brivio <sbrivio@redhat.com>
Cc: jarichte@redhat.com, Cleber Rosa <crosa@redhat.com>,
	David Gibson <david@gibson.dropbear.id.au>
Subject: [PATCH v2 13/21] avocado/tasst: Add helper for getting MTU of a network interface
Date: Tue, 16 May 2023 12:01:27 +1000	[thread overview]
Message-ID: <20230516020135.1901256-14-david@gibson.dropbear.id.au> (raw)
In-Reply-To: <20230516020135.1901256-1-david@gibson.dropbear.id.au>

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 avocado/tasst/meta/veth.py | 4 ++++
 avocado/tasst/site.py      | 9 +++++++++
 2 files changed, 13 insertions(+)

diff --git a/avocado/tasst/meta/veth.py b/avocado/tasst/meta/veth.py
index 48ef88b..afca192 100644
--- a/avocado/tasst/meta/veth.py
+++ b/avocado/tasst/meta/veth.py
@@ -41,3 +41,7 @@ class VethTasst(Tasst):
     def test_ifs(self):
         self.assertCountEqual(self.ns1.ifs(), ['lo', 'veth1'])
         self.assertCountEqual(self.ns2.ifs(), ['lo', 'veth2'])
+
+    def test_mtu(self):
+        self.assertEquals(self.ns1.mtu('veth1'), 1500)
+        self.assertEquals(self.ns2.mtu('veth2'), 1500)
diff --git a/avocado/tasst/site.py b/avocado/tasst/site.py
index 5a63b76..00b86aa 100644
--- a/avocado/tasst/site.py
+++ b/avocado/tasst/site.py
@@ -64,6 +64,11 @@ class Site:
         self.require_cmds('ip')
         self.fg('ip link set {} up'.format(ifname), sudo=True)
 
+    def mtu(self, ifname):
+        self.require_cmds('ip')
+        (info,) = json.loads(self.output('ip -j link show {}'.format(ifname)))
+        return info['mtu']
+
     def addrinfos(self, ifname, **filter):
         self.require_cmds('ip')
         info = json.loads(self.output('ip -j addr show {}'.format(ifname)))
@@ -134,6 +139,10 @@ class BaseSiteTasst(Tasst):
                     for a in ['127.0.0.1/8', '::1/128']]
         self.assertCountEqual(site.addrs('lo'), expected)
 
+    def test_lo_mtu(self):
+        site = self.get_subsetup(BaseSiteTasst)
+        self.assertEqual(site.mtu('lo'), 65536)
+
 
 # Represents the host on which the tests are running, as opposed to
 # some simulated host created by the tests
-- 
@@ -64,6 +64,11 @@ class Site:
         self.require_cmds('ip')
         self.fg('ip link set {} up'.format(ifname), sudo=True)
 
+    def mtu(self, ifname):
+        self.require_cmds('ip')
+        (info,) = json.loads(self.output('ip -j link show {}'.format(ifname)))
+        return info['mtu']
+
     def addrinfos(self, ifname, **filter):
         self.require_cmds('ip')
         info = json.loads(self.output('ip -j addr show {}'.format(ifname)))
@@ -134,6 +139,10 @@ class BaseSiteTasst(Tasst):
                     for a in ['127.0.0.1/8', '::1/128']]
         self.assertCountEqual(site.addrs('lo'), expected)
 
+    def test_lo_mtu(self):
+        site = self.get_subsetup(BaseSiteTasst)
+        self.assertEqual(site.mtu('lo'), 65536)
+
 
 # Represents the host on which the tests are running, as opposed to
 # some simulated host created by the tests
-- 
2.40.1


  parent reply	other threads:[~2023-05-16  2:01 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-16  2:01 [PATCH v2 00/21] RFCv2: Proof-of-concept conversion of some tests to Avocado framework David Gibson
2023-05-16  2:01 ` [PATCH v2 01/21] test/nstool: Provide useful error if given a path that's too long David Gibson
2023-05-16  2:01 ` [PATCH v2 02/21] test/nstool: Fix fd leak in accept() loop David Gibson
2023-05-16  2:01 ` [PATCH v2 03/21] avocado: Make a duplicate copy of testsuite for comparison purposes David Gibson
2023-05-16  2:01 ` [PATCH v2 04/21] avocado: Don't double download assets for test/ and oldtest/ David Gibson
2023-05-16  2:01 ` [PATCH v2 05/21] avocado: Move static checkers to avocado David Gibson
2023-05-16  2:01 ` [PATCH v2 06/21] avocado/tasst: Helper functions for executing commands in different places David Gibson
2023-05-16  2:01 ` [PATCH v2 07/21] avocado: Convert build tests to avocado David Gibson
2023-05-16  2:01 ` [PATCH v2 08/21] avocado/tasst: Add helpers for running background commands on sites David Gibson
2023-05-16  2:01 ` [PATCH v2 09/21] avocado/tasst: Add helper to get network interface names for a site David Gibson
2023-05-16  2:01 ` [PATCH v2 10/21] avocado/tasst: Add helpers to run commands with nstool David Gibson
2023-05-16  2:01 ` [PATCH v2 11/21] avocado/tasst: Add ifup and network address helpers to Site David Gibson
2023-05-16  2:01 ` [PATCH v2 12/21] avocado/tasst: Helper for creating veth devices between namespaces David Gibson
2023-05-16  2:01 ` David Gibson [this message]
2023-05-16  2:01 ` [PATCH v2 14/21] avocado/tasst: Add helper to wait for IP address to appear David Gibson
2023-05-16  2:01 ` [PATCH v2 15/21] avocado/tasst: Add helpers for getting a site's routes David Gibson
2023-05-16  2:01 ` [PATCH v2 16/21] avocado/tasst: Helpers for test transferring data between sites David Gibson
2023-05-16  2:01 ` [PATCH v2 17/21] avocado/tasst: IP address allocation helpers David Gibson
2023-05-16  2:01 ` [PATCH v2 18/21] avocado/tasst: Helpers for testing NDP behaviour David Gibson
2023-05-16  2:01 ` [PATCH v2 19/21] avocado/tasst: Helpers for testing DHCP & DHCPv6 behaviour David Gibson
2023-05-16  2:01 ` [PATCH v2 20/21] avocado/tasst: Helpers to construct a simple network environment for tests David Gibson
2023-05-16  2:01 ` [PATCH v2 21/21] avocado: Convert basic pasta tests David Gibson

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