ip: test support python3
[vpp.git] / test / framework.py
index 4cdbf34..1be227a 100644 (file)
@@ -159,7 +159,8 @@ def pump_output(testclass):
         if testclass.vpp.stdout.fileno() in readable:
             read = os.read(testclass.vpp.stdout.fileno(), 102400)
             if len(read) > 0:
-                split = read.splitlines(True)
+                split = read.decode('ascii',
+                                    errors='backslashreplace').splitlines(True)
                 if len(stdout_fragment) > 0:
                     split[0] = "%s%s" % (stdout_fragment, split[0])
                 if len(split) > 0 and split[-1].endswith("\n"):
@@ -175,14 +176,16 @@ def pump_output(testclass):
         if testclass.vpp.stderr.fileno() in readable:
             read = os.read(testclass.vpp.stderr.fileno(), 102400)
             if len(read) > 0:
-                split = read.splitlines(True)
+                split = read.decode('ascii',
+                                    errors='backslashreplace').splitlines(True)
                 if len(stderr_fragment) > 0:
                     split[0] = "%s%s" % (stderr_fragment, split[0])
-                if len(split) > 0 and split[-1].endswith(b"\n"):
+                if len(split) > 0 and split[-1].endswith("\n"):
                     limit = None
                 else:
                     limit = -1
                     stderr_fragment = split[-1]
+
                 testclass.vpp_stderr_deque.extend(split[:limit])
                 if not testclass.cache_vpp_output:
                     for line in split[:limit]:
@@ -517,7 +520,6 @@ class VppTestCase(unittest.TestCase):
         cls.setUpConstants()
         cls.reset_packet_infos()
         cls._captures = []
-        cls._zombie_captures = []
         cls.verbose = 0
         cls.vpp_dead = False
         cls.registry = VppObjectRegistry()
@@ -683,7 +685,8 @@ class VppTestCase(unittest.TestCase):
                 self.show_commands_at_teardown()
                 self.registry.remove_vpp_config(self.logger)
             # Save/Dump VPP api trace log
-            api_trace = "vpp_api_trace.%s.log" % self._testMethodName
+            m = self._testMethodName
+            api_trace = "vpp_api_trace.%s.%d.log" % (m, self.vpp.pid)
             tmp_api_trace = "/tmp/%s" % api_trace
             vpp_api_trace_log = "%s/%s" % (self.tempdir, api_trace)
             self.logger.info(self.vapi.ppcli("api trace save %s" % api_trace))
@@ -740,29 +743,24 @@ class VppTestCase(unittest.TestCase):
         """ Register a capture in the testclass """
         # add to the list of captures with current timestamp
         cls._captures.append((time.time(), cap_name))
-        # filter out from zombies
-        cls._zombie_captures = [(stamp, name)
-                                for (stamp, name) in cls._zombie_captures
-                                if name != cap_name]
 
     @classmethod
     def pg_start(cls):
-        """ Remove any zombie captures and enable the packet generator """
-        # how long before capture is allowed to be deleted - otherwise vpp
-        # crashes - 100ms seems enough (this shouldn't be needed at all)
-        capture_ttl = 0.1
-        now = time.time()
-        for stamp, cap_name in cls._zombie_captures:
-            wait = stamp + capture_ttl - now
-            if wait > 0:
-                cls.sleep(wait, "before deleting capture %s" % cap_name)
-                now = time.time()
-            cls.logger.debug("Removing zombie capture %s" % cap_name)
-            cls.vapi.cli('packet-generator delete %s' % cap_name)
-
+        """ Enable the PG, wait till it is done, then clean up """
         cls.vapi.cli("trace add pg-input 1000")
         cls.vapi.cli('packet-generator enable')
-        cls._zombie_captures = cls._captures
+        # PG, when starts, runs to completion -
+        # so let's avoid a race condition,
+        # and wait a little till it's done.
+        # Then clean it up  - and then be gone.
+        deadline = time.time() + 300
+        while cls.vapi.cli('show packet-generator').find("Yes") != -1:
+            cls.sleep(0.01)  # yield
+            if time.time() > deadline:
+                cls.logger.error("Timeout waiting for pg to stop")
+                break
+        for stamp, cap_name in cls._captures:
+            cls.vapi.cli('packet-generator delete %s' % cap_name)
         cls._captures = []
 
     @classmethod