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[posix] implement virtual time and update tests to utilize virtual time (#2508)

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This commit adds the following features:

- Example posix drivers to support virtual time simulation, allowing tests
  to run faster than real time.

- A python-based simulation driver that coordinates the virtual time
  simulations.  Each alarm event and message transmission across all nodes
  are scheduled in a single discrete time event queue.  As a result, only
  a single node is making forward progress at a time.

- Updated tests to utilize new virtual-time simulator, allowing them to run
  faster than real time.

- To enable virtual time feature, define VIRTUAL_TIME=1 env var and set
  CPPFLAGS=-DOPENTHREAD_POSIX_VIRTUAL_TIME=1.
This commit is contained in:
Jonathan Hui
2018-01-29 19:30:46 +00:00
committed by GitHub
parent 0403a1baf5
commit d426d7cfbd
107 changed files with 2600 additions and 882 deletions
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tests/scripts/thread-cert/test_service.py
+13 -10
View File
@@ -50,9 +50,11 @@ SRV_1_SERVER_DATA = 'qux'
class Test_Service(unittest.TestCase):
def setUp(self):
self.simulator = config.create_default_simulator()
self.nodes = {}
for i in range(1,4):
self.nodes[i] = node.Node(i)
self.nodes[i] = node.Node(i, simulator=self.simulator)
self.nodes[LEADER].set_panid(0xface)
self.nodes[LEADER].set_mode('rsdn')
@@ -84,6 +86,7 @@ class Test_Service(unittest.TestCase):
for node in list(self.nodes.values()):
node.stop()
del self.nodes
del self.simulator
def hasAloc(self, node_id, service_id):
for addr in self.nodes[node_id].get_ip6_address(config.ADDRESS_TYPE.ALOC):
@@ -100,16 +103,16 @@ class Test_Service(unittest.TestCase):
def failToPingFromAll(self, addr):
for node in list(self.nodes.values()):
self.assertFalse(node.ping(addr, timeout=3000))
self.assertFalse(node.ping(addr, timeout=3))
def test(self):
self.nodes[LEADER].start()
self.nodes[LEADER].set_state('leader')
self.simulator.go(5)
self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
self.nodes[ROUTER1].start()
self.nodes[ROUTER2].start()
time.sleep(5)
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.assertEqual(self.nodes[ROUTER2].get_state(), 'router')
@@ -122,7 +125,7 @@ class Test_Service(unittest.TestCase):
self.nodes[ROUTER1].add_service(SRV_0_ENT_NUMBER, SRV_0_SERVICE_DATA, SRV_0_SERVER_DATA)
self.nodes[ROUTER1].register_netdata()
time.sleep(2)
self.simulator.go(2)
self.assertEqual(self.hasAloc(LEADER, SRV_0_ID), False)
self.assertEqual(self.hasAloc(LEADER, SRV_1_ID), False)
@@ -136,7 +139,7 @@ class Test_Service(unittest.TestCase):
self.nodes[LEADER].add_service(SRV_0_ENT_NUMBER, SRV_0_SERVICE_DATA, SRV_0_SERVER_DATA)
self.nodes[LEADER].register_netdata()
time.sleep(2)
self.simulator.go(2)
self.assertEqual(self.hasAloc(LEADER, SRV_0_ID), True)
self.assertEqual(self.hasAloc(LEADER, SRV_1_ID), False)
@@ -149,7 +152,7 @@ class Test_Service(unittest.TestCase):
self.nodes[ROUTER2].add_service(SRV_1_ENT_NUMBER, SRV_1_SERVICE_DATA, SRV_1_SERVER_DATA)
self.nodes[ROUTER2].register_netdata()
time.sleep(2)
self.simulator.go(2)
self.assertEqual(self.hasAloc(LEADER, SRV_0_ID), True)
self.assertEqual(self.hasAloc(LEADER, SRV_1_ID), False)
@@ -164,7 +167,7 @@ class Test_Service(unittest.TestCase):
self.nodes[ROUTER1].remove_service(SRV_0_ENT_NUMBER, SRV_0_SERVICE_DATA)
self.nodes[ROUTER1].register_netdata()
time.sleep(2)
self.simulator.go(2)
self.assertEqual(self.hasAloc(LEADER, SRV_0_ID), True)
self.assertEqual(self.hasAloc(LEADER, SRV_1_ID), False)
@@ -178,7 +181,7 @@ class Test_Service(unittest.TestCase):
self.nodes[LEADER].remove_service(SRV_0_ENT_NUMBER, SRV_0_SERVICE_DATA)
self.nodes[LEADER].register_netdata()
time.sleep(2)
self.simulator.go(2)
self.assertEqual(self.hasAloc(LEADER, SRV_0_ID), False)
self.assertEqual(self.hasAloc(LEADER, SRV_1_ID), False)
@@ -192,7 +195,7 @@ class Test_Service(unittest.TestCase):
self.nodes[ROUTER2].remove_service(SRV_1_ENT_NUMBER, SRV_1_SERVICE_DATA)
self.nodes[ROUTER2].register_netdata()
time.sleep(2)
self.simulator.go(2)
self.assertEqual(self.hasAloc(LEADER, SRV_0_ID), False)
self.assertEqual(self.hasAloc(LEADER, SRV_1_ID), False)