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BUG=b:233893248
TEST=CQ

Change-Id: I66591d7a738d241aed3290138c0f68065ab10a6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3879174
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Alex Klein <saklein@chromium.org>
diff --git a/scripts/sysmon/net_metrics_unittest.py b/scripts/sysmon/net_metrics_unittest.py
index d89448e..913b291 100644
--- a/scripts/sysmon/net_metrics_unittest.py
+++ b/scripts/sysmon/net_metrics_unittest.py
@@ -19,87 +19,151 @@
 
 snetio = psutil._common.snetio
 snicstats = psutil._common.snicstats
-snic = getattr(psutil._common, 'snic', None)
+snic = getattr(psutil._common, "snic", None)
 
-pytestmark = cros_test_lib.pytestmark_skipif(snic is None,
-                                             reason='Wrong version of psutil')
+pytestmark = cros_test_lib.pytestmark_skipif(
+    snic is None, reason="Wrong version of psutil"
+)
 
 
 class TestNetMetrics(cros_test_lib.TestCase):
-  """Tests for net_metrics."""
+    """Tests for net_metrics."""
 
-  def setUp(self):
-    patcher = mock.patch(
-        'chromite.third_party.infra_libs.ts_mon.common.interface.state.store',
-        autospec=True)
-    self.store = patcher.start()
-    self.addCleanup(patcher.stop)
+    def setUp(self):
+        patcher = mock.patch(
+            "chromite.third_party.infra_libs.ts_mon.common.interface.state.store",
+            autospec=True,
+        )
+        self.store = patcher.start()
+        self.addCleanup(patcher.stop)
 
-  def test_collect(self):
-    with mock.patch('psutil.net_io_counters', autospec=True) \
-             as net_io_counters, \
-         mock.patch('psutil.net_if_stats', autospec=True) as net_if_stats, \
-         mock.patch('socket.getfqdn', autospec=True) as getfqdn, \
-         mock.patch('psutil.net_if_addrs', autospec=True) as net_if_addrs:
-      net_io_counters.return_value = {
-          'lo': snetio(
-              bytes_sent=17247495681, bytes_recv=172474956,
-              packets_sent=109564455, packets_recv=1095644,
-              errin=10, errout=1, dropin=20, dropout=2),
-      }
-      net_if_stats.return_value = {
-          'lo': snicstats(isup=True, duplex=0, speed=0, mtu=65536),
-      }
-      getfqdn.return_value = 'foo.example.com'
-      net_if_addrs.return_value = {
-          'lo': [
-              # pylint: disable=not-callable
-              snic(family=psutil.AF_LINK, address='11:22:33:44:55:66',
-                   netmask=None, broadcast=None, ptp=None),
-              snic(family=socket.AF_INET, address='10.1.1.1', netmask=None,
-                   broadcast=None, ptp=None),
-              snic(family=socket.AF_INET6,
-                   address='fc00:0000:0000:0000:0000:0000:0000:0001',
-                   netmask=None, broadcast=None, ptp=None),
-          ],
-      }
-      net_metrics.collect_net_info()
+    def test_collect(self):
+        with mock.patch(
+            "psutil.net_io_counters", autospec=True
+        ) as net_io_counters, mock.patch(
+            "psutil.net_if_stats", autospec=True
+        ) as net_if_stats, mock.patch(
+            "socket.getfqdn", autospec=True
+        ) as getfqdn, mock.patch(
+            "psutil.net_if_addrs", autospec=True
+        ) as net_if_addrs:
+            net_io_counters.return_value = {
+                "lo": snetio(
+                    bytes_sent=17247495681,
+                    bytes_recv=172474956,
+                    packets_sent=109564455,
+                    packets_recv=1095644,
+                    errin=10,
+                    errout=1,
+                    dropin=20,
+                    dropout=2,
+                ),
+            }
+            net_if_stats.return_value = {
+                "lo": snicstats(isup=True, duplex=0, speed=0, mtu=65536),
+            }
+            getfqdn.return_value = "foo.example.com"
+            net_if_addrs.return_value = {
+                "lo": [
+                    # pylint: disable=not-callable
+                    snic(
+                        family=psutil.AF_LINK,
+                        address="11:22:33:44:55:66",
+                        netmask=None,
+                        broadcast=None,
+                        ptp=None,
+                    ),
+                    snic(
+                        family=socket.AF_INET,
+                        address="10.1.1.1",
+                        netmask=None,
+                        broadcast=None,
+                        ptp=None,
+                    ),
+                    snic(
+                        family=socket.AF_INET6,
+                        address="fc00:0000:0000:0000:0000:0000:0000:0001",
+                        netmask=None,
+                        broadcast=None,
+                        ptp=None,
+                    ),
+                ],
+            }
+            net_metrics.collect_net_info()
 
-    setter = self.store.set
-    calls = [
-        mock.call('dev/net/bytes', ('up', 'lo'), None,
-                  17247495681, enforce_ge=mock.ANY),
-        mock.call('dev/net/bytes', ('down', 'lo'), None,
-                  172474956, enforce_ge=mock.ANY),
-        mock.call('dev/net/packets', ('up', 'lo'), None,
-                  109564455, enforce_ge=mock.ANY),
-        mock.call('dev/net/packets', ('down', 'lo'), None,
-                  1095644, enforce_ge=mock.ANY),
-        mock.call('dev/net/errors', ('up', 'lo'), None,
-                  1, enforce_ge=mock.ANY),
-        mock.call('dev/net/errors', ('down', 'lo'), None,
-                  10, enforce_ge=mock.ANY),
-        mock.call('dev/net/dropped', ('up', 'lo'), None,
-                  2, enforce_ge=mock.ANY),
-        mock.call('dev/net/dropped', ('down', 'lo'), None,
-                  20, enforce_ge=mock.ANY),
-        mock.call('dev/net/isup', ('lo',), None,
-                  True, enforce_ge=mock.ANY),
-        mock.call('dev/net/duplex', ('lo',), None,
-                  0, enforce_ge=mock.ANY),
-        mock.call('dev/net/speed', ('lo',), None,
-                  0, enforce_ge=mock.ANY),
-        mock.call('dev/net/mtu', ('lo',), None,
-                  65536, enforce_ge=mock.ANY),
-        mock.call('net/fqdn', (), None,
-                  'foo.example.com', enforce_ge=mock.ANY),
-        mock.call('dev/net/address', ('AF_LINK', 'lo'), None,
-                  '11:22:33:44:55:66', enforce_ge=mock.ANY),
-        mock.call('dev/net/address', ('AF_INET', 'lo',), None,
-                  '10.1.1.1', enforce_ge=mock.ANY),
-        mock.call('dev/net/address', ('AF_INET6', 'lo'), None,
-                  'fc00:0000:0000:0000:0000:0000:0000:0001',
-                  enforce_ge=mock.ANY),
-    ]
-    setter.assert_has_calls(calls)
-    self.assertEqual(len(setter.mock_calls), len(calls))
+        setter = self.store.set
+        calls = [
+            mock.call(
+                "dev/net/bytes",
+                ("up", "lo"),
+                None,
+                17247495681,
+                enforce_ge=mock.ANY,
+            ),
+            mock.call(
+                "dev/net/bytes",
+                ("down", "lo"),
+                None,
+                172474956,
+                enforce_ge=mock.ANY,
+            ),
+            mock.call(
+                "dev/net/packets",
+                ("up", "lo"),
+                None,
+                109564455,
+                enforce_ge=mock.ANY,
+            ),
+            mock.call(
+                "dev/net/packets",
+                ("down", "lo"),
+                None,
+                1095644,
+                enforce_ge=mock.ANY,
+            ),
+            mock.call(
+                "dev/net/errors", ("up", "lo"), None, 1, enforce_ge=mock.ANY
+            ),
+            mock.call(
+                "dev/net/errors", ("down", "lo"), None, 10, enforce_ge=mock.ANY
+            ),
+            mock.call(
+                "dev/net/dropped", ("up", "lo"), None, 2, enforce_ge=mock.ANY
+            ),
+            mock.call(
+                "dev/net/dropped", ("down", "lo"), None, 20, enforce_ge=mock.ANY
+            ),
+            mock.call("dev/net/isup", ("lo",), None, True, enforce_ge=mock.ANY),
+            mock.call("dev/net/duplex", ("lo",), None, 0, enforce_ge=mock.ANY),
+            mock.call("dev/net/speed", ("lo",), None, 0, enforce_ge=mock.ANY),
+            mock.call("dev/net/mtu", ("lo",), None, 65536, enforce_ge=mock.ANY),
+            mock.call(
+                "net/fqdn", (), None, "foo.example.com", enforce_ge=mock.ANY
+            ),
+            mock.call(
+                "dev/net/address",
+                ("AF_LINK", "lo"),
+                None,
+                "11:22:33:44:55:66",
+                enforce_ge=mock.ANY,
+            ),
+            mock.call(
+                "dev/net/address",
+                (
+                    "AF_INET",
+                    "lo",
+                ),
+                None,
+                "10.1.1.1",
+                enforce_ge=mock.ANY,
+            ),
+            mock.call(
+                "dev/net/address",
+                ("AF_INET6", "lo"),
+                None,
+                "fc00:0000:0000:0000:0000:0000:0000:0001",
+                enforce_ge=mock.ANY,
+            ),
+        ]
+        setter.assert_has_calls(calls)
+        self.assertEqual(len(setter.mock_calls), len(calls))