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test utilities

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This commit is contained in:
keorn 2016-11-21 18:54:16 +00:00
parent 66526af5a8
commit 32bcd08b94
1 changed files with 46 additions and 101 deletions
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147
ethcore/src/engines/tendermint/mod.rs
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@ -461,11 +461,10 @@ impl Engine for Tendermint {
#[cfg(test)]
mod tests {
use std::thread::sleep;
use std::time::{Duration};
use util::*;
use rlp::{UntrustedRlp, RlpStream, Stream, View};
use block::*;
use state_db::StateDB;
use error::{Error, BlockError};
use header::Header;
use env_info::EnvInfo;
@ -473,46 +472,38 @@ mod tests {
use account_provider::AccountProvider;
use spec::Spec;
use engines::{Engine, EngineError};
use super::Tendermint;
use super::*;
use super::params::TendermintParams;
use super::message::*;
fn propose_default(engine: &Arc<Engine>, round: u8, proposer: Address) -> Result<Bytes, Error> {
let mut s = RlpStream::new_list(3);
let header = Header::default();
s.append(&round).append(&0u8).append(&header.bare_hash());
let drain = s.out();
let propose_rlp = UntrustedRlp::new(&drain);
engine.handle_message(proposer, H520::default(), propose_rlp)
fn propose_default(engine: &Arc<Engine>, db: &StateDB, proposer: Address) -> Option<Vec<Bytes>> {
let mut header = Header::default();
let last_hashes = Arc::new(vec![]);
let b = OpenBlock::new(engine.as_ref(), Default::default(), false, db.boxed_clone(), &header, last_hashes, proposer, (3141562.into(), 31415620.into()), vec![]).unwrap();
let b = b.close_and_lock();
engine.generate_seal(b.block())
}
fn vote_default(engine: &Arc<Engine>, round: u8, voter: Address) -> Result<Bytes, Error> {
let mut s = RlpStream::new_list(3);
let header = Header::default();
s.append(&round).append(&1u8).append(&header.bare_hash());
let drain = s.out();
let vote_rlp = UntrustedRlp::new(&drain);
engine.handle_message(voter, H520::default(), vote_rlp)
fn vote_default<F>(engine: &Arc<Engine>, signer: F, height: usize, round: usize, step: Step) where F: FnOnce(H256) -> Option<H520> {
let m = message_full_rlp(signer, height, round, step, Some(Default::default())).unwrap();
engine.handle_message(UntrustedRlp::new(&m)).unwrap();
}
fn good_seal(header: &Header) -> Vec<Bytes> {
fn proposal_seal(header: &Header, round: Round) -> Vec<Bytes> {
let tap = AccountProvider::transient_provider();
let mut seal = Vec::new();
let v0 = tap.insert_account("0".sha3(), "0").unwrap();
let sig0 = tap.sign(v0, Some("0".into()), header.bare_hash()).unwrap();
seal.push(::rlp::encode(&(&*sig0 as &[u8])).to_vec());
let v1 = tap.insert_account("1".sha3(), "1").unwrap();
let sig1 = tap.sign(v1, Some("1".into()), header.bare_hash()).unwrap();
seal.push(::rlp::encode(&(&*sig1 as &[u8])).to_vec());
seal
let author = header.author();
let vote_info = message_info_rlp(header.number() as Height, round, Step::Propose, Some(header.bare_hash()));
let signature = tap.sign(*author, None, vote_info.sha3()).unwrap();
vec![
::rlp::encode(&round).to_vec(),
::rlp::encode(&H520::from(signature)).to_vec(),
Vec::new()
]
}
fn default_block() -> Vec<u8> {
vec![160, 39, 191, 179, 126, 80, 124, 233, 13, 161, 65, 48, 114, 4, 177, 198, 186, 36, 25, 67, 128, 97, 53, 144, 172, 80, 202, 75, 29, 113, 152, 255, 101]
fn default_seal() -> Vec<Bytes> {
vec![vec![160, 39, 191, 179, 126, 80, 124, 233, 13, 161, 65, 48, 114, 4, 177, 198, 186, 36, 25, 67, 128, 97, 53, 144, 172, 80, 202, 75, 29, 113, 152, 255, 101]]
}
#[test]
@ -593,7 +584,7 @@ mod tests {
let engine = Spec::new_test_tendermint().engine;
let mut header = Header::default();
let seal = good_seal(&header);
let seal = proposal_seal(&header, 0);
header.set_seal(seal);
// Enough signatures.
@ -607,7 +598,7 @@ mod tests {
fn can_generate_seal() {
let spec = Spec::new_test_tendermint();
let ref engine = *spec.engine;
let tender = Tendermint::new(engine.params().clone(), TendermintParams::default(), BTreeMap::new());
let tender = Tendermint::new(engine.params().clone(), TendermintParams::default(), BTreeMap::new()).unwrap();
let genesis_header = spec.genesis_header();
let mut db_result = get_temp_state_db();
@ -617,82 +608,55 @@ mod tests {
let b = OpenBlock::new(engine, Default::default(), false, db, &genesis_header, last_hashes, Address::default(), (3141562.into(), 31415620.into()), vec![]).unwrap();
let b = b.close_and_lock();
tender.to_commit(b.hash(), good_seal(&b.header()));
let seal = tender.generate_seal(b.block(), None).unwrap();
let seal = tender.generate_seal(b.block()).unwrap();
assert!(b.try_seal(engine, seal).is_ok());
}
#[test]
fn propose_step() {
let engine = Spec::new_test_tendermint().engine;
let spec = Spec::new_test_tendermint();
let engine = spec.engine.clone();
let tap = AccountProvider::transient_provider();
let r = 0;
let mut db_result = get_temp_state_db();
let mut db = db_result.take();
spec.ensure_db_good(&mut db).unwrap();
let not_authority_addr = tap.insert_account("101".sha3(), "101").unwrap();
assert!(propose_default(&engine, r, not_authority_addr).is_err());
assert!(propose_default(&engine, &db, not_authority_addr).is_none());
let not_proposer_addr = tap.insert_account("0".sha3(), "0").unwrap();
assert!(propose_default(&engine, r, not_proposer_addr).is_err());
assert!(propose_default(&engine, &db, not_proposer_addr).is_none());
let proposer_addr = tap.insert_account("1".sha3(), "1").unwrap();
assert_eq!(default_block(), propose_default(&engine, r, proposer_addr).unwrap());
assert_eq!(default_seal(), propose_default(&engine, &db, proposer_addr).unwrap());
assert!(propose_default(&engine, r, proposer_addr).is_err());
assert!(propose_default(&engine, r, not_proposer_addr).is_err());
}
#[test]
fn proposer_switching() {
let engine = Spec::new_test_tendermint().engine;
let tap = AccountProvider::transient_provider();
// Currently not a proposer.
let not_proposer_addr = tap.insert_account("0".sha3(), "0").unwrap();
assert!(propose_default(&engine, 0, not_proposer_addr).is_err());
sleep(Duration::from_millis(TendermintParams::default().timeouts.propose as u64));
// Becomes proposer after timeout.
assert_eq!(default_block(), propose_default(&engine, 0, not_proposer_addr).unwrap());
assert!(propose_default(&engine, &db, proposer_addr).is_none());
assert!(propose_default(&engine, &db, not_proposer_addr).is_none());
}
#[test]
fn prevote_step() {
let spec = Spec::new_test_tendermint();
let engine = Spec::new_test_tendermint().engine;
let tap = AccountProvider::transient_provider();
let r = 0;
let mut db_result = get_temp_state_db();
let mut db = db_result.take();
spec.ensure_db_good(&mut db).unwrap();
let v0 = tap.insert_account("0".sha3(), "0").unwrap();
let v1 = tap.insert_account("1".sha3(), "1").unwrap();
// Propose.
assert!(propose_default(&engine, r, v1.clone()).is_ok());
// Propose
assert!(propose_default(&engine, &db, v1.clone()).is_some());
// Prevote.
assert_eq!(default_block(), vote_default(&engine, r, v0.clone()).unwrap());
assert!(vote_default(&engine, r, v0).is_err());
assert!(vote_default(&engine, r, v1).is_err());
}
#[test]
fn precommit_step() {
let engine = Spec::new_test_tendermint().engine;
let tap = AccountProvider::transient_provider();
let h = 0;
let r = 0;
let v0 = tap.insert_account("0".sha3(), "0").unwrap();
let v1 = tap.insert_account("1".sha3(), "1").unwrap();
// Propose.
assert!(propose_default(&engine, r, v1.clone()).is_ok());
// Prevote.
assert_eq!(default_block(), vote_default(&engine, r, v0.clone()).unwrap());
vote_default(&engine, |mh| tap.sign(v1, None, mh).ok().map(H520::from), h, r, Step::Prevote);
assert!(vote_default(&engine, r, v0).is_err());
assert!(vote_default(&engine, r, v1).is_err());
vote_default(&engine, |mh| tap.sign(v0, None, mh).ok().map(H520::from), h, r, Step::Prevote);
vote_default(&engine, |mh| tap.sign(v1, None, mh).ok().map(H520::from), h, r, Step::Prevote);
}
#[test]
@ -703,24 +667,5 @@ mod tests {
};
println!("Waiting for timeout");
sleep(Duration::from_secs(10));
}
#[test]
fn increments_round() {
let spec = Spec::new_test_tendermint();
let ref engine = *spec.engine;
let def_params = TendermintParams::default();
let tender = Tendermint::new(engine.params().clone(), def_params.clone(), BTreeMap::new());
let header = Header::default();
tender.to_commit(header.bare_hash(), good_seal(&header));
sleep(Duration::from_millis(def_params.timeouts.commit as u64));
match propose_default(&(tender as Arc<Engine>), 0, Address::default()) {
Err(Error::Engine(EngineError::WrongRound)) => {},
_ => panic!("Should be EngineError::WrongRound"),
}
}
}