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add another test case

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holger krekel
2024-12-17 17:38:14 +01:00
parent 1ffee4089b
commit 6b850007bb
1 changed files with 27 additions and 2 deletions
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29
python/tests/test_5_simulation.py
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@@ -40,7 +40,7 @@ class Relay:
for peer1, peer2 in zip(peers, peers[1:]): for peer1, peer2 in zip(peers, peers[1:]):
assert peer1.members == peer2.members assert peer1.members == peer2.members
assert peer1.current_clock == peer2.current_clock assert peer1.current_clock == peer2.current_clock
nums = ",".join(peer1.members) nums = ",".join(sorted(peer1.members))
print(f"{peer1.id} and {peer2.id} have same members {nums}") print(f"{peer1.id} and {peer2.id} have same members {nums}")
@@ -189,7 +189,7 @@ def test_concurrent_add(relay):
relay.assert_group_consistency() relay.assert_group_consistency()
def test_add_remove_and_stale_old_suddenly_sends(relay): def test_add_remove_and_stale_member_sends_chatmessage(relay):
p0, p1, p2, p3 = relay.make_peers(4) p0, p1, p2, p3 = relay.make_peers(4)
p0.immediate_create_group([p1, p2, p3]) p0.immediate_create_group([p1, p2, p3])
@@ -202,3 +202,28 @@ def test_add_remove_and_stale_old_suddenly_sends(relay):
ChatMessage(p3) ChatMessage(p3)
relay.receive_all() relay.receive_all()
relay.assert_group_consistency() relay.assert_group_consistency()
ChatMessage(p0)
relay.receive_all()
assert p0.members == set(["p0", "p1", "p3"])
def test_add_remove_and_stale_member_sends_addition(relay):
p0, p1, p2, p3, p4 = relay.make_peers(5)
p0.immediate_create_group([p1, p2, p3])
# p3 is offline and p0 deletes p2
DelMemberMessage(p0, member=p2.id)
relay.receive_all([p0, p1, p2])
# p3 sends a message with member addition and goes online
AddMemberMessage(p3, member=p4.id)
relay.receive_all()
relay.dump("after p3 is online")
# we need a chat message from a higher clock state to heal consistency
ChatMessage(p0)
relay.receive_all()
relay.dump("after p0 sent chatmessage")
relay.assert_group_consistency()
assert p0.members == set(["p0", "p1", "p3", "p4"])