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Increase constrains in link state testcases #909

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Increase constrains in link state testcases #909

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1 change: 1 addition & 0 deletions .unreleased/LLT-5683
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Increase constrains in link state testcases
29 changes: 29 additions & 0 deletions nat-lab/tests/telio.py
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Original file line number Diff line number Diff line change
Expand Up @@ -129,6 +129,13 @@ async def notify_peer_state(
return
await asyncio.sleep(0.1)

async def notify_link_state(self, public_key: str, states: List[LinkState]) -> None:
while True:
peer = self.get_peer_info(public_key)
if peer and peer.link_state in states:
return
await asyncio.sleep(0.1)

async def notify_peer_event(
self,
public_key: str,
Expand Down Expand Up @@ -262,6 +269,16 @@ async def wait_for_state_peer(
timeout,
)

async def wait_for_link_state(
self,
public_key: str,
state: List[LinkState],
timeout: Optional[float] = None,
) -> None:
await asyncio.wait_for(
self._runtime.notify_link_state(public_key, state), timeout
)

async def wait_for_event_peer(
self,
public_key: str,
Expand Down Expand Up @@ -539,6 +556,18 @@ async def wait_for_state_peer(
link_state,
)

async def wait_for_link_state(
self,
public_key: str,
states: List[LinkState],
timeout: Optional[float] = None,
) -> None:
await self.get_events().wait_for_link_state(
public_key,
states,
timeout,
)

async def wait_for_event_peer(
self,
public_key: str,
Expand Down
160 changes: 110 additions & 50 deletions nat-lab/tests/test_events_link_state.py
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Original file line number Diff line number Diff line change
Expand Up @@ -130,6 +130,16 @@ def _generate_setup_parameter_pair(
]


async def wait_for_any_with_timeout(tasks, timeout: float):
done_tasks, _pending_tasks = await asyncio.wait(
tasks,
timeout=timeout,
return_when=asyncio.FIRST_COMPLETED,
)
if len(done_tasks) == 0:
raise asyncio.TimeoutError


@pytest.mark.asyncio
@pytest.mark.parametrize("setup_params", FEATURE_ENABLED_PARAMS)
async def test_event_link_state_peers_idle_all_time(
Expand All @@ -140,14 +150,26 @@ async def test_event_link_state_peers_idle_all_time(
alpha, beta = env.nodes
client_alpha, client_beta = env.clients

# Expect no link event while peers are idle
await asyncio.sleep(20)
alpha_events = client_beta.get_link_state_events(alpha.public_key)
beta_events = client_alpha.get_link_state_events(beta.public_key)
await client_alpha.wait_for_link_state(beta.public_key, [LinkState.UP])
await client_beta.wait_for_link_state(alpha.public_key, [LinkState.UP])

# 1 down event when Connecting, 1 up event when Connected
assert alpha_events == [LinkState.DOWN, LinkState.UP]
assert beta_events == [LinkState.DOWN, LinkState.UP]
# Expect no link event while peers are idle
with pytest.raises(asyncio.TimeoutError):
await wait_for_any_with_timeout(
[
asyncio.create_task(
client_alpha.wait_for_link_state(
beta.public_key, [LinkState.DOWN]
)
),
asyncio.create_task(
client_beta.wait_for_link_state(
alpha.public_key, [LinkState.DOWN]
)
),
],
timeout=25,
)


@pytest.mark.asyncio
Expand All @@ -163,18 +185,15 @@ async def test_event_link_state_peers_exchanging_data_for_a_long_time(
conn.connection for conn in env.connections
]

await client_alpha.wait_for_link_state(beta.public_key, [LinkState.UP])
await client_beta.wait_for_link_state(alpha.public_key, [LinkState.UP])

for _ in range(0, 40):
await asyncio.sleep(1)
await ping(connection_alpha, beta.ip_addresses[0])
await ping(connection_beta, alpha.ip_addresses[0])

# Expect no nolink event while peers are active
alpha_events = client_beta.get_link_state_events(alpha.public_key)
beta_events = client_alpha.get_link_state_events(beta.public_key)

# 1 down event when Connecting, 1 up event when Connected
assert alpha_events == [LinkState.DOWN, LinkState.UP]
assert beta_events == [LinkState.DOWN, LinkState.UP]
await client_alpha.wait_for_link_state(beta.public_key, [LinkState.UP], 1)
await client_beta.wait_for_link_state(alpha.public_key, [LinkState.UP], 1)


@pytest.mark.asyncio
Expand All @@ -190,21 +209,54 @@ async def test_event_link_state_peers_exchanging_data_then_idling_then_resume(
conn.connection for conn in env.connections
]

await client_alpha.wait_for_link_state(beta.public_key, [LinkState.UP])
await client_beta.wait_for_link_state(alpha.public_key, [LinkState.UP])

await ping(connection_alpha, beta.ip_addresses[0])
await ping(connection_beta, alpha.ip_addresses[0])

# Expect no link event while peers are idle
await asyncio.sleep(20)
with pytest.raises(asyncio.TimeoutError):
await wait_for_any_with_timeout(
[
asyncio.create_task(
client_alpha.wait_for_link_state(
beta.public_key, [LinkState.DOWN]
)
),
asyncio.create_task(
client_beta.wait_for_link_state(
alpha.public_key, [LinkState.DOWN]
)
),
],
timeout=25,
)

await ping(connection_alpha, beta.ip_addresses[0])
await ping(connection_beta, alpha.ip_addresses[0])

alpha_events = client_beta.get_link_state_events(alpha.public_key)
beta_events = client_alpha.get_link_state_events(beta.public_key)

# 1 down event when Connecting, 1 up event when Connected
assert alpha_events == [LinkState.DOWN, LinkState.UP]
assert beta_events == [LinkState.DOWN, LinkState.UP]
# Wait for another 5 seconds
with pytest.raises(asyncio.TimeoutError):
await wait_for_any_with_timeout(
[
asyncio.create_task(
client_alpha.wait_for_link_state(
beta.public_key, [LinkState.DOWN]
)
),
asyncio.create_task(
client_beta.wait_for_link_state(
alpha.public_key, [LinkState.DOWN]
)
),
],
timeout=5,
)

# Expect the links are still UP
await client_alpha.wait_for_link_state(beta.public_key, [LinkState.UP], 1)
await client_beta.wait_for_link_state(alpha.public_key, [LinkState.UP], 1)


@pytest.mark.asyncio
Expand All @@ -220,24 +272,28 @@ async def test_event_link_state_peer_goes_offline(
conn.connection for conn in env.connections
]

await client_alpha.wait_for_link_state(beta.public_key, [LinkState.UP])
await client_beta.wait_for_link_state(alpha.public_key, [LinkState.UP])

await ping(connection_alpha, beta.ip_addresses[0])
await ping(connection_beta, alpha.ip_addresses[0])

await client_beta.stop_device()

await asyncio.sleep(1)

with pytest.raises(asyncio.TimeoutError):
await ping(connection_alpha, beta.ip_addresses[0], 5)
await ping(connection_alpha, beta.ip_addresses[0], 3)

await asyncio.sleep(25)
alpha_events = client_beta.get_link_state_events(alpha.public_key)
beta_events = client_alpha.get_link_state_events(beta.public_key)
with pytest.raises(asyncio.TimeoutError):
await client_alpha.wait_for_link_state(
beta.public_key, [LinkState.DOWN], 10
)

# 1 down event when Connecting, 1 up event when Connected
assert alpha_events == [LinkState.DOWN, LinkState.UP]
# 1 down event when Connecting, 1 up event when Connected, 1 down event when client is stopped
assert beta_events == [LinkState.DOWN, LinkState.UP, LinkState.DOWN]
# Expect the link down event
# It should arrive in 11-15 seconds after the link is cut and ping mod disabled
# And 22-25 seconds if the ping mod is enabled
await client_alpha.wait_for_link_state(beta.public_key, [LinkState.DOWN], 30)
# Although the beta device has been stopped, it should still see alpha as up
await client_beta.wait_for_link_state(alpha.public_key, [LinkState.UP], 5)


@pytest.mark.asyncio
Expand Down Expand Up @@ -315,24 +371,28 @@ async def test_event_link_state_peer_doesnt_respond(
conn.connection for conn in env.connections
]

await client_alpha.wait_for_link_state(beta.public_key, [LinkState.UP])
await client_beta.wait_for_link_state(alpha.public_key, [LinkState.UP])

async with ICMP_control(connection_beta):
with pytest.raises(asyncio.TimeoutError):
await ping(connection_alpha, beta.ip_addresses[0], 8)

alpha_events = client_beta.get_link_state_events(alpha.public_key)
beta_events = client_alpha.get_link_state_events(beta.public_key)

# The connection is normal and events should be: initial down, then several up events but no more down events
assert alpha_events.count(LinkState.DOWN) == 1
assert beta_events.count(LinkState.DOWN) == 1

# wait enough to pass 10 second mark since our ping request, which should trigger passive-keepalive by wireguard
await asyncio.sleep(5)
await ping(connection_alpha, beta.ip_addresses[0], 5)

alpha_events = client_beta.get_link_state_events(alpha.public_key)
beta_events = client_alpha.get_link_state_events(beta.public_key)

# there should be no additional link down event

assert alpha_events.count(LinkState.DOWN) == 1
assert beta_events.count(LinkState.DOWN) == 1
# Wait enough to pass 10 second mark since our ping request, which should trigger passive-keepalive by wireguard
# + some delay for ping mode
with pytest.raises(asyncio.TimeoutError):
await wait_for_any_with_timeout(
[
asyncio.create_task(
client_alpha.wait_for_link_state(
beta.public_key, [LinkState.DOWN]
)
),
asyncio.create_task(
client_beta.wait_for_link_state(
alpha.public_key, [LinkState.DOWN]
)
),
],
timeout=25,
)
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