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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/Cert_5_3_09_AddressQuery.py
+14 -9
View File
@@ -30,6 +30,7 @@
import time
import unittest
import config
import node
LEADER = 1
@@ -40,9 +41,11 @@ SED1 = 5
class Cert_5_3_09_AddressQuery(unittest.TestCase):
def setUp(self):
self.simulator = config.create_default_simulator()
self.nodes = {}
for i in range(1,6):
self.nodes[i] = node.Node(i, (i == SED1))
self.nodes[i] = node.Node(i, (i == SED1), simulator=self.simulator)
self.nodes[LEADER].set_panid(0xface)
self.nodes[LEADER].set_mode('rsdn')
@@ -81,34 +84,36 @@ class Cert_5_3_09_AddressQuery(unittest.TestCase):
for node in list(self.nodes.values()):
node.stop()
del self.nodes
del self.simulator
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[LEADER].add_prefix('2001:2:0:1::/64', 'pdros')
self.nodes[LEADER].add_prefix('2001:2:0:2::/64', 'pdro')
self.nodes[LEADER].register_netdata()
self.simulator.go(5)
self.nodes[ROUTER1].start()
time.sleep(5)
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')
self.nodes[ROUTER2].start()
time.sleep(5)
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER2].get_state(), 'router')
self.nodes[ROUTER3].start()
time.sleep(5)
self.simulator.go(5)
self.assertEqual(self.nodes[ROUTER3].get_state(), 'router')
self.nodes[SED1].start()
time.sleep(5)
self.simulator.go(5)
self.assertEqual(self.nodes[SED1].get_state(), 'child')
# wait for sed got replied
time.sleep(10)
self.simulator.go(10)
addrs = self.nodes[ROUTER3].get_addrs()
self.assertTrue(any('2001:2:0:1' in addr[0:10] for addr in addrs))
@@ -130,7 +135,7 @@ class Cert_5_3_09_AddressQuery(unittest.TestCase):
self.assertTrue(self.nodes[SED1].ping(addr))
self.nodes[ROUTER3].stop()
time.sleep(300)
self.simulator.go(300)
addrs = self.nodes[ROUTER3].get_addrs()
for addr in addrs:
@@ -138,7 +143,7 @@ class Cert_5_3_09_AddressQuery(unittest.TestCase):
self.assertFalse(self.nodes[SED1].ping(addr))
self.nodes[SED1].stop()
time.sleep(10)
self.simulator.go(10)
addrs = self.nodes[SED1].get_addrs()
for addr in addrs: