Tests: Refactor tearDown show command logging, add lifecycle markers.

This change adds a consistent interface for adding test-specific show commands to
log.txt.

It also adds log markers for the execution of setUp[Class], tearDown[Class]
in the logs.

Change-Id: I7d42e396e594a59e866a7d55dac0af25548e657a
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/test/test_classifier_ip6.py b/test/test_classifier_ip6.py
index 6725f6123e5..ea6adcb713f 100644
--- a/test/test_classifier_ip6.py
+++ b/test/test_classifier_ip6.py
@@ -73,10 +73,6 @@ class TestClassifier(VppTestCase):
     def tearDown(self):
         """Run standard test teardown and acl related log."""
         if not self.vpp_dead:
-            self.logger.info(self.vapi.ppcli("show inacl type ip6"))
-            self.logger.info(self.vapi.ppcli("show outacl type ip6"))
-            self.logger.info(self.vapi.cli("show classify table verbose"))
-            self.logger.info(self.vapi.cli("show ip fib"))
             if self.acl_active_table == 'ip6_out':
                 self.output_acl_set_interface(
                     self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0)
@@ -91,6 +87,12 @@ class TestClassifier(VppTestCase):
 
         super(TestClassifier, self).tearDown()
 
+    def show_commands_at_teardown(self):
+        self.logger.info(self.vapi.ppcli("show inacl type ip6"))
+        self.logger.info(self.vapi.ppcli("show outacl type ip6"))
+        self.logger.info(self.vapi.cli("show classify table verbose"))
+        self.logger.info(self.vapi.cli("show ip fib"))
+
     def create_stream(self, src_if, dst_if, packet_sizes,
                       proto_l=UDP(sport=1234, dport=5678)):
         """Create input packet stream for defined interfaces.