def test_lce_same_content(self):
hr = strategy.LeaveCopyEverywhere(self.view, self.controller)
# receiver 0 requests 2, expect miss
hr.process_event(1, 0, 2, True)
loc = self.view.content_locations(2)
assert len(loc) == 4
assert 1 in loc
assert 2 in loc
assert 3 in loc
assert 4 in loc
summary = self.collector.session_summary()
exp_req_hops = [(0, 1), (1, 2), (2, 3), (3, 4)]
exp_cont_hops = [(4, 3), (3, 2), (2, 1), (1, 0)]
req_hops = summary['request_hops']
cont_hops = summary['content_hops']
assert set(exp_req_hops) == set(req_hops)
assert set(exp_cont_hops) == set(cont_hops)
# receiver 0 requests 2, expect hit
hr.process_event(1, 5, 2, True)
loc = self.view.content_locations(2)
assert len(loc) == 4
assert 1 in loc
assert 2 in loc
assert 3 in loc
assert 4 in loc
summary = self.collector.session_summary()
exp_req_hops = set(((5, 2), ))
exp_cont_hops = set(((2, 5), ))
req_hops = summary['request_hops']
cont_hops = summary['content_hops']
assert exp_req_hops == set(req_hops)
assert exp_cont_hops == set(cont_hops)
def test_lce_same_content(self):
hr = strategy.LeaveCopyEverywhere(self.view, self.controller)
# receiver 0 requests 2, expect miss
hr.process_event(1, 0, 2, True)
loc = self.view.content_locations(2)
self.assertEqual(len(loc), 4)
self.assertIn(1, loc)
self.assertIn(2, loc)
self.assertIn(3, loc)
self.assertIn(4, loc)
summary = self.collector.session_summary()
exp_req_hops = [(0, 1), (1, 2), (2, 3), (3, 4)]
exp_cont_hops = [(4, 3), (3, 2), (2, 1), (1, 0)]
req_hops = summary['request_hops']
cont_hops = summary['content_hops']
self.assertSetEqual(set(exp_req_hops), set(req_hops))
self.assertSetEqual(set(exp_cont_hops), set(cont_hops))
# receiver 0 requests 2, expect hit
hr.process_event(1, 5, 2, True)
loc = self.view.content_locations(2)
self.assertEqual(len(loc), 4)
self.assertIn(1, loc)
self.assertIn(2, loc)
self.assertIn(3, loc)
self.assertIn(4, loc)
summary = self.collector.session_summary()
exp_req_hops = set(((5, 2), ))
exp_cont_hops = set(((2, 5), ))
req_hops = summary['request_hops']
cont_hops = summary['content_hops']
self.assertSetEqual(exp_req_hops, set(req_hops))
self.assertSetEqual(exp_cont_hops, set(cont_hops))
def test_lce_different_content(self):
hr = strategy.LeaveCopyEverywhere(self.view, self.controller)
# receiver 0 requests 2, expect miss
hr.process_event(1, 0, 2, True)
loc = self.view.content_locations(2)
self.assertEquals(len(loc), 4)
self.assertIn(1, loc)
self.assertIn(2, loc)
self.assertIn(3, loc)
self.assertIn(4, loc)
summary = self.collector.session_summary()
exp_req_hops = set(((0, 1), (1, 2), (2, 3), (3, 4)))
exp_cont_hops = set(((4, 3), (3, 2), (2, 1), (1, 0)))
req_hops = summary['request_hops']
cont_hops = summary['content_hops']
self.assertSetEqual(exp_req_hops, set(req_hops))
self.assertSetEqual(exp_cont_hops, set(cont_hops))
# request content 3 from 5
hr.process_event(1, 5, 3, True)
loc = self.view.content_locations(3)
self.assertEquals(len(loc), 3)
self.assertIn(2, loc)
self.assertIn(3, loc)
self.assertIn(4, loc)
loc = self.view.content_locations(2)
self.assertEquals(len(loc), 2)
self.assertIn(1, loc)
self.assertIn(4, loc)
summary = self.collector.session_summary()
exp_req_hops = set(((5, 2), (2, 3), (3, 4)))
exp_cont_hops = set(((4, 3), (3, 2), (2, 5)))
req_hops = summary['request_hops']
cont_hops = summary['content_hops']
self.assertSetEqual(exp_req_hops, set(req_hops))
self.assertSetEqual(exp_cont_hops, set(cont_hops))
# request content 3 from , hit in 2
hr.process_event(1, 0, 3, True)
loc = self.view.content_locations(3)
self.assertEquals(len(loc), 4)
self.assertIn(1, loc)
self.assertIn(2, loc)
self.assertIn(3, loc)
self.assertIn(4, loc)
loc = self.view.content_locations(2)
self.assertEquals(len(loc), 1)
self.assertIn(4, loc)
summary = self.collector.session_summary()
exp_req_hops = set(((0, 1), (1, 2)))
exp_cont_hops = set(((2, 1), (1, 0)))
req_hops = summary['request_hops']
cont_hops = summary['content_hops']
self.assertSetEqual(exp_req_hops, set(req_hops))
self.assertSetEqual(exp_cont_hops, set(cont_hops))