tests: support setting random seed

[vpp.git] / test / run_tests.py

diff --git a/test/run_tests.py b/test/run_tests.py
index b6c178f..d52209d 100644 (file)
--- a/test/run_tests.py
+++ b/test/run_tests.py
@@ -433,7 +433,17 @@ def run_forked(testcase_suites):
                         results) or stop_run
 
             for finished_testcase in finished_testcase_suites:
-                finished_testcase.child.join()
+                # Somewhat surprisingly, the join below may
+                # timeout, even if client signaled that
+                # it finished - so we note it just in case.
+                join_start = time.time()
+                finished_testcase.child.join(test_finished_join_timeout)
+                join_end = time.time()
+                if join_end - join_start >= test_finished_join_timeout:
+                    finished_testcase.logger.error(
+                        "Timeout joining finished test: %s (pid %d)" %
+                        (finished_testcase.last_test,
+                         finished_testcase.child.pid))
                 finished_testcase.close_pipes()
                 wrapped_testcase_suites.remove(finished_testcase)
                 finished_unread_testcases.add(finished_testcase)
@@ -722,10 +732,17 @@ def parse_digit_env(env_var, default):
 
 if __name__ == '__main__':
 
+    if "RND_SEED" not in os.environ:
+        os.environ["RND_SEED"] = str(time.time())
+        print("Setting RND_SEED=%s" % os.environ["RND_SEED"])
+    else:
+        print("Using provided RND_SEED=%s" % os.environ["RND_SEED"])
     verbose = parse_digit_env("V", 0)
 
     test_timeout = parse_digit_env("TIMEOUT", 600)  # default = 10 minutes
 
+    test_finished_join_timeout = 15
+
     retries = parse_digit_env("RETRIES", 0)
 
     debug = os.getenv("DEBUG", "n").lower() in ["gdb", "gdbserver"]
@@ -822,7 +839,7 @@ if __name__ == '__main__':
         # don't fork if requiring interactive terminal
         print('Running tests in foreground in the current process')
         full_suite = unittest.TestSuite()
-        map(full_suite.addTests, suites)
+        full_suite.addTests(suites)
         result = VppTestRunner(verbosity=verbose,
                                failfast=failfast,
                                print_summary=True).run(full_suite)