Files
pezkuwi-subxt/substrate/client/network/test/src/block_import.rs
T
Bastian Köcher 53be6ec510 Support synching of blocks that are not new_best (#6508)
* Start

* Remove debug println

* Add tests
2020-06-30 14:44:52 +00:00

117 lines
3.5 KiB
Rust

// This file is part of Substrate.
// Copyright (C) 2017-2020 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//! Testing block import logic.
use sp_consensus::ImportedAux;
use sp_consensus::import_queue::{
import_single_block, BasicQueue, BlockImportError, BlockImportResult, IncomingBlock,
};
use substrate_test_runtime_client::{self, prelude::*};
use substrate_test_runtime_client::runtime::{Block, Hash};
use sp_runtime::generic::BlockId;
use sc_block_builder::BlockBuilderProvider;
use super::*;
fn prepare_good_block() -> (TestClient, Hash, u64, PeerId, IncomingBlock<Block>) {
let mut client = substrate_test_runtime_client::new();
let block = client.new_block(Default::default()).unwrap().build().unwrap().block;
client.import(BlockOrigin::File, block).unwrap();
let (hash, number) = (client.block_hash(1).unwrap().unwrap(), 1);
let header = client.header(&BlockId::Number(1)).unwrap();
let justification = client.justification(&BlockId::Number(1)).unwrap();
let peer_id = PeerId::random();
(client, hash, number, peer_id.clone(), IncomingBlock {
hash,
header,
body: Some(Vec::new()),
justification,
origin: Some(peer_id.clone()),
allow_missing_state: false,
import_existing: false,
})
}
#[test]
fn import_single_good_block_works() {
let (_, _hash, number, peer_id, block) = prepare_good_block();
let mut expected_aux = ImportedAux::default();
expected_aux.is_new_best = true;
match import_single_block(
&mut substrate_test_runtime_client::new(),
BlockOrigin::File,
block,
&mut PassThroughVerifier::new(true)
) {
Ok(BlockImportResult::ImportedUnknown(ref num, ref aux, ref org))
if *num == number && *aux == expected_aux && *org == Some(peer_id) => {}
r @ _ => panic!("{:?}", r)
}
}
#[test]
fn import_single_good_known_block_is_ignored() {
let (mut client, _hash, number, _, block) = prepare_good_block();
match import_single_block(
&mut client,
BlockOrigin::File,
block,
&mut PassThroughVerifier::new(true)
) {
Ok(BlockImportResult::ImportedKnown(ref n)) if *n == number => {}
_ => panic!()
}
}
#[test]
fn import_single_good_block_without_header_fails() {
let (_, _, _, peer_id, mut block) = prepare_good_block();
block.header = None;
match import_single_block(
&mut substrate_test_runtime_client::new(),
BlockOrigin::File,
block,
&mut PassThroughVerifier::new(true)
) {
Err(BlockImportError::IncompleteHeader(ref org)) if *org == Some(peer_id) => {}
_ => panic!()
}
}
#[test]
fn async_import_queue_drops() {
let executor = sp_core::testing::SpawnBlockingExecutor::new();
// Perform this test multiple times since it exhibits non-deterministic behavior.
for _ in 0..100 {
let verifier = PassThroughVerifier::new(true);
let queue = BasicQueue::new(
verifier,
Box::new(substrate_test_runtime_client::new()),
None,
None,
&executor,
None,
);
drop(queue);
}
}