def test_transaction_isolation(self):
""" Tests that operations between 2 transactions are isolated """
conn1 = self.get_connection()
conn2 = self.get_connection()
if conn1.graph_features['supportsTransactions']:
with conn1.transaction():
v1, v2, v3 = conn1.execute("""
def v1 = g.addVertex([val:1, str:"vertex 1"])
def v2 = g.addVertex([val:2, str:"vertex 2"])
def v3 = g.addVertex([val:3, str:"vertex 3"])
[v1, v2, v3]
""")
print_("{}, {}, {}".format(v1, v2, v3))
conn1.open_transaction()
conn2.open_transaction()
v1_1 = conn1.execute("""
def v1 = g.v(eid)
v1.setProperty("str", "v1")
v1
""",
params={'eid': v1['_id']})
v1_2 = conn2.execute("""
g.v(eid)
""",
params={'eid': v1['_id']})
self.assertEqual(v1_2['_properties']['str'], 'vertex 1')
def test_bring_pool_down(self):
print_("Eventlet Lengthy Query")
# Well use this and add time delays to kill the connection before the while loop and
# within the while loop of the respective connection.py file to simulate the db going down
# and coming back up.
pool = self.get_pool()
conn1 = pool.create_connection()
print_("Calling Lengthy Query")
result1 = conn1.execute(script="""g.V('element_type','measurement')""")
def test_bring_pool_down(self):
print_("Eventlet Lengthy Query")
# Well use this and add time delays to kill the connection before the while loop and
# within the while loop of the respective connection.py file to simulate the db going down
# and coming back up.
pool = self.get_pool()
conn1 = pool.create_connection()
print_("Calling Lengthy Query")
result1 = conn1.execute(script="""g.V('element_type','measurement')""")
def test_many_network_calls(self):
""" Test known responses on a network that should be slow, we should get them all asynchronously """
pile = eventlet.GreenPile()
for i in xrange(self.NUM_ITER):
pile.spawn(spawn_slow_network_and_query_slow_response, self,
self.SLOW_NETWORK_QUERY, 1, {
'value': i,
i: 'value'
})
for result in pile:
print_(result)
self.assertIsInstance(result, dict)
def test_many_network_calls(self):
""" Test known responses on a network that should be slow, we should get them all asynchronously """
pile = eventlet.GreenPile()
for i in xrange(self.NUM_ITER):
pile.spawn(spawn_slow_network_and_query_slow_response,
self,
self.SLOW_NETWORK_QUERY,
1,
{'value': i, i: 'value'}
)
for result in pile:
print_(result)
self.assertIsInstance(result, dict)
def test_transaction_isolation(self):
""" Tests that operations between 2 transactions are isolated """
conn1 = self.get_connection()
conn2 = self.get_connection()
if conn1.graph_features['supportsTransactions']:
with conn1.transaction():
v1, v2, v3 = conn1.execute(
"""
def v1 = g.addVertex([val:1, str:"vertex 1"])
def v2 = g.addVertex([val:2, str:"vertex 2"])
def v3 = g.addVertex([val:3, str:"vertex 3"])
[v1, v2, v3]
"""
)
print_("{}, {}, {}".format(v1, v2, v3))
conn1.open_transaction()
conn2.open_transaction()
v1_1 = conn1.execute(
"""
def v1 = g.v(eid)
v1.setProperty("str", "v1")
v1
""",
params={'eid': v1['_id']}
)
v1_2 = conn2.execute(
"""
g.v(eid)
""",
params={'eid': v1['_id']}
)
self.assertEqual(v1_2['_properties']['str'], 'vertex 1')
def start_massive_queries(script_params_pairs):
num_queries = len(script_params_pairs)
g = group([rexpro_query.s(script, params) for script, params in script_params_pairs])
results = g().join()
lresults = len(results)
print_("Got {} Results of {}:".format(lresults, num_queries))
for i, result in enumerate(results):
print_("{} - {}".format(i, result))
logger.info("{} - {}".format(i, result))
print_("Got {} of {} Results ({}%):".format(lresults, num_queries, (lresults/float(num_queries))*100.0))
return results
if __name__ == '__main__':
import tasks
from rexpro._compat import print_, xrange
print_("Queuing up tasks...")
SLOW_NETWORK_QUERY = """def test_slow_query(sleep_time, value) {
sleep sleep_time
return value
}
return test_slow_query(sleep_length, data)
"""
NUM_QUERIES = 10000
SLEEP_TIME = 1
script_params_pairs = [(SLOW_NETWORK_QUERY, {'sleep_length': SLEEP_TIME, 'data': i}) for i in xrange(NUM_QUERIES)]
results = tasks.start_massive_queries(script_params_pairs)
print_("Got Results:")
print_(results)
else:
print_("This must be executed manually")