tests: support setting random seed
Log the random seed used when running tests and provide means to re-use
it in a later run.
Type: feature
Change-Id: I18d2a36ee802b901d4cca5577df41cec07f09cc0
Signed-off-by: Klement Sekera <ksekera@cisco.com>
diff --git a/test/framework.py b/test/framework.py
index e3c605b..9508297 100644
--- a/test/framework.py
+++ b/test/framework.py
@@ -503,8 +503,9 @@
"""
super(VppTestCase, cls).setUpClass()
gc.collect() # run garbage collection first
- random.seed()
cls.logger = get_logger(cls.__name__)
+ seed = os.environ["RND_SEED"]
+ random.seed(seed)
if hasattr(cls, 'parallel_handler'):
cls.logger.addHandler(cls.parallel_handler)
cls.logger.propagate = False
@@ -525,6 +526,7 @@
os.chdir(cls.tempdir)
cls.logger.info("Temporary dir is %s, shm prefix is %s",
cls.tempdir, cls.shm_prefix)
+ cls.logger.debug("Random seed is %s" % seed)
cls.setUpConstants()
cls.reset_packet_infos()
cls._captures = []