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Fix flaky staking test (#5812)

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* Fix flaky staking test

* Better doc

* Update frame/staking/src/tests.rs

Co-Authored-By: Benjamin Kampmann <ben@gnunicorn.org>

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: Benjamin Kampmann <ben@gnunicorn.org>
This commit is contained in:
Kian Paimani
2020-04-28 12:04:23 +02:00
committed by GitHub
parent 8ae3ecf3cd
commit 00378d4092
2 changed files with 18 additions and 15 deletions
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substrate/frame/staking/src/tests.rs
+15 -9
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@@ -2674,6 +2674,7 @@ fn remove_multi_deferred() {
mod offchain_phragmen {
use crate::*;
use codec::Encode;
use frame_support::{assert_noop, assert_ok};
use sp_runtime::transaction_validity::TransactionSource;
use mock::*;
@@ -2714,14 +2715,19 @@ mod offchain_phragmen {
bond_nominator(voter, 1000 + voter, 100, vec![21, 31, 41]);
}
fn offchainify(ext: &mut TestExternalities) -> Arc<RwLock<PoolState>> {
let (offchain, _state) = TestOffchainExt::new();
let (pool, state) = TestTransactionPoolExt::new();
/// convert an externalities to one that can handle offchain worker tests.
fn offchainify(ext: &mut TestExternalities, iterations: u32) -> Arc<RwLock<PoolState>> {
let (offchain, offchain_state) = TestOffchainExt::new();
let (pool, pool_state) = TestTransactionPoolExt::new();
let mut seed = [0_u8; 32];
seed[0..4].copy_from_slice(&iterations.to_le_bytes());
offchain_state.write().seed = seed;
ext.register_extension(OffchainExt::new(offchain));
ext.register_extension(TransactionPoolExt::new(pool));
state
pool_state
}
#[test]
@@ -3095,7 +3101,7 @@ mod offchain_phragmen {
.offchain_phragmen_ext()
.validator_count(2)
.build();
let state = offchainify(&mut ext);
let state = offchainify(&mut ext, 0);
ext.execute_with(|| {
run_to_block(12);
@@ -3138,7 +3144,7 @@ mod offchain_phragmen {
.validator_count(2)
.max_offchain_iterations(2)
.build();
let state = offchainify(&mut ext);
let state = offchainify(&mut ext, 2);
ext.execute_with(|| {
run_to_block(12);
@@ -3179,7 +3185,7 @@ mod offchain_phragmen {
.offchain_phragmen_ext()
.validator_count(4)
.build();
let state = offchainify(&mut ext);
let state = offchainify(&mut ext, 0);
ext.execute_with(|| {
run_to_block(12);
// put a good solution on-chain
@@ -3704,7 +3710,7 @@ mod offchain_phragmen {
.offchain_phragmen_ext()
.validator_count(4)
.build();
let state = offchainify(&mut ext);
let state = offchainify(&mut ext, 0);
ext.execute_with(|| {
use offchain_election::OFFCHAIN_HEAD_DB;
@@ -3728,7 +3734,7 @@ mod offchain_phragmen {
.offchain_phragmen_ext()
.validator_count(4)
.build();
let _ = offchainify(&mut ext);
let _ = offchainify(&mut ext, 0);
ext.execute_with(|| {
use offchain_election::OFFCHAIN_HEAD_DB;