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client/finality-grandpa: Add regression test for observer polling network #4778
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Ensure `Future` implementation of `ObserverWork` is polling its `NetworkBridge`. Regression test for bug introduced in d4fbb89 and fixed in 7d58cee. When polled, `NetworkBridge` forwards reputation change requests from the `GossipValidator` to the underlying `dyn Network`. This test triggers a reputation change by calling `GossipValidator::validate` with an invalid gossip message. After polling the `ObserverWork` which should poll the `NetworkBridge`, the reputation change should be forwarded to the test network.
NikVolf
reviewed
Jan 30, 2020
NikVolf
reviewed
Jan 30, 2020
| // validator to the test network. | ||
| assert!(observer.now_or_never().is_none()); | ||
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| match tester.events.next().now_or_never() { |
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assert_matches! would be a better choice here
bkchr
reviewed
Jan 30, 2020
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| use futures::executor::{self, ThreadPool}; | ||
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| #[test] |
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| // Trigger a reputation change through the gossip validator. | ||
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| let mut tester = executor::block_on(tester_fut); | ||
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| // Create an observer. | ||
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| let thread_pool = ThreadPool::new().unwrap(); | ||
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| // Create a test network. | ||
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NikVolf
approved these changes
Jan 30, 2020
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@mxinden just needs the nits fixing before it can be merged... |
gavofyork
added
A6-mustntgrumble
and removed
A0-please_review
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#4795 replaces this. |
gavofyork
added a commit
that referenced
this pull request
Jan 31, 2020
…work (was #4778) (#4795) * client/finality-grandpa: Add regression test observer polling network Ensure `Future` implementation of `ObserverWork` is polling its `NetworkBridge`. Regression test for bug introduced in d4fbb89 and fixed in 7d58cee. When polled, `NetworkBridge` forwards reputation change requests from the `GossipValidator` to the underlying `dyn Network`. This test triggers a reputation change by calling `GossipValidator::validate` with an invalid gossip message. After polling the `ObserverWork` which should poll the `NetworkBridge`, the reputation change should be forwarded to the test network. * Nits Co-authored-by: Max Inden <[email protected]>
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Ensure
Futureimplementation ofObserverWorkis polling itsNetworkBridge. Regression test for bug introduced in d4fbb89 andfixed in 7d58cee.
When polled,
NetworkBridgeforwards reputation change requests fromthe
GossipValidatorto the underlyingdyn Network. This testtriggers a reputation change by calling
GossipValidator::validatewithan invalid gossip message. After polling the
ObserverWorkwhich shouldpoll the
NetworkBridge, the reputation change should be forwarded tothe test network.
Thanks @NikVolf for pushing for this!