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extract out tests to file

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This commit is contained in:
Robert Habermeier
2018-10-29 17:05:42 +01:00
parent 6d4acb053d
commit afbe00db75
2 changed files with 244 additions and 245 deletions
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substrate/core/finality-grandpa/src/lib.rs
+3 -245
View File
@@ -70,6 +70,9 @@ pub use fg_primitives::ScheduledChange;
mod authorities; mod authorities;
#[cfg(test)]
mod tests;
const LAST_COMPLETED_KEY: &[u8] = b"grandpa_completed_round"; const LAST_COMPLETED_KEY: &[u8] = b"grandpa_completed_round";
const AUTHORITY_SET_KEY: &[u8] = b"grandpa_voters"; const AUTHORITY_SET_KEY: &[u8] = b"grandpa_voters";
@@ -890,248 +893,3 @@ pub fn run_grandpa<B, E, Block: BlockT, N>(
Ok(work.map_err(|e| warn!("GRANDPA Voter failed: {:?}", e))) Ok(work.map_err(|e| warn!("GRANDPA Voter failed: {:?}", e)))
} }
#[cfg(test)]
mod tests {
use super::*;
use network::test::{Block, Hash, TestNetFactory, Peer, PeersClient};
use network::import_queue::{PassThroughVerifier};
use network::ProtocolConfig;
use parking_lot::Mutex;
use tokio::runtime::current_thread;
use keyring::Keyring;
use client::BlockchainEvents;
use test_client;
type PeerData = Mutex<Option<LinkHalf<test_client::Backend, test_client::Executor, Block>>>;
type GrandpaPeer = Peer<PassThroughVerifier, PeerData>;
struct GrandpaTestNet {
peers: Vec<Arc<GrandpaPeer>>,
started: bool
}
impl TestNetFactory for GrandpaTestNet {
type Verifier = PassThroughVerifier;
type PeerData = PeerData;
/// Create new test network with peers and given config.
fn from_config(_config: &ProtocolConfig) -> Self {
GrandpaTestNet {
peers: Vec::new(),
started: false
}
}
fn make_verifier(&self, _client: Arc<PeersClient>, _cfg: &ProtocolConfig)
-> Arc<Self::Verifier>
{
Arc::new(PassThroughVerifier(false)) // use non-instant finality.
}
fn make_block_import(&self, client: Arc<PeersClient>)
-> (Arc<BlockImport<Block,Error=ClientError> + Send + Sync>, PeerData)
{
let (import, link) = block_import(client).expect("Could not create block import for fresh peer.");
(Arc::new(import), Mutex::new(Some(link)))
}
fn peer(&self, i: usize) -> &GrandpaPeer {
&self.peers[i]
}
fn peers(&self) -> &Vec<Arc<GrandpaPeer>> {
&self.peers
}
fn mut_peers<F: Fn(&mut Vec<Arc<GrandpaPeer>>)>(&mut self, closure: F) {
closure(&mut self.peers);
}
fn started(&self) -> bool {
self.started
}
fn set_started(&mut self, new: bool) {
self.started = new;
}
}
#[derive(Clone)]
struct MessageRouting {
inner: Arc<Mutex<GrandpaTestNet>>,
peer_id: usize,
}
impl MessageRouting {
fn new(inner: Arc<Mutex<GrandpaTestNet>>, peer_id: usize,) -> Self {
MessageRouting {
inner,
peer_id,
}
}
}
fn round_to_topic(round: u64) -> Hash {
let mut hash = Hash::default();
round.using_encoded(|s| {
let raw = hash.as_mut();
raw[..8].copy_from_slice(s);
});
hash
}
impl Network for MessageRouting {
type In = Box<Stream<Item=Vec<u8>,Error=()>>;
fn messages_for(&self, round: u64) -> Self::In {
let messages = self.inner.lock().peer(self.peer_id)
.with_spec(|spec, _| spec.gossip.messages_for(round_to_topic(round)));
let messages = messages.map_err(
move |_| panic!("Messages for round {} dropped too early", round)
);
Box::new(messages)
}
fn send_message(&self, round: u64, message: Vec<u8>) {
let mut inner = self.inner.lock();
inner.peer(self.peer_id).gossip_message(round_to_topic(round), message);
inner.route();
}
fn drop_messages(&self, round: u64) {
let topic = round_to_topic(round);
self.inner.lock().peer(self.peer_id)
.with_spec(|spec, _| spec.gossip.collect_garbage(|t| t == &topic));
}
}
const TEST_GOSSIP_DURATION: Duration = Duration::from_millis(500);
const TEST_ROUTING_INTERVAL: Duration = Duration::from_millis(50);
#[test]
fn finalize_20_unanimous_3_peers() {
let mut net = GrandpaTestNet::new(3);
net.peer(0).push_blocks(20, false);
net.sync();
let net = Arc::new(Mutex::new(net));
let peers = &[
(0, Keyring::Alice),
(1, Keyring::Bob),
(2, Keyring::Charlie),
];
let voters: Vec<_> = peers.iter()
.map(|&(_, ref key)| AuthorityId(key.to_raw_public()))
.collect();
let mut finality_notifications = Vec::new();
let mut runtime = current_thread::Runtime::new().unwrap();
for (peer_id, key) in peers {
let (client, link) = {
let mut net = net.lock();
// temporary needed for some reason
let link = net.peers[*peer_id].data.lock().take().expect("link initialized at startup; qed");
(
net.peers[*peer_id].client().clone(),
link,
)
};
finality_notifications.push(
client.finality_notification_stream()
.take_while(|n| Ok(n.header.number() < &20))
.for_each(move |_| Ok(()))
);
let voter = run_grandpa(
Config {
gossip_duration: TEST_GOSSIP_DURATION,
local_key: Some(Arc::new(key.clone().into())),
},
link,
MessageRouting::new(net.clone(), *peer_id),
).expect("all in order with client and network");
runtime.spawn(voter);
}
// wait for all finalized on each.
let wait_for = ::futures::future::join_all(finality_notifications)
.map(|_| ())
.map_err(|_| ());
let drive_to_completion = ::tokio::timer::Interval::new_interval(TEST_ROUTING_INTERVAL)
.for_each(move |_| { net.lock().route_until_complete(); Ok(()) })
.map(|_| ())
.map_err(|_| ());
runtime.block_on(wait_for.select(drive_to_completion).map_err(|_| ())).unwrap();
}
#[test]
fn observer_can_finalize() {
let mut net = GrandpaTestNet::new(4);
net.peer(0).push_blocks(20, false);
net.sync();
let net = Arc::new(Mutex::new(net));
let peers = &[
(0, Keyring::Alice),
(1, Keyring::Bob),
(2, Keyring::Charlie),
];
let voters: HashMap<_, _> = peers.iter()
.map(|&(_, ref key)| (AuthorityId(key.to_raw_public()), 1))
.collect();
let mut finality_notifications = Vec::new();
let mut runtime = current_thread::Runtime::new().unwrap();
let all_peers = peers.iter()
.cloned()
.map(|(id, key)| (id, Some(Arc::new(key.into()))))
.chain(::std::iter::once((3, None)));
for (peer_id, local_key) in all_peers {
let (client, link) = {
let mut net = net.lock();
let link = net.peers[peer_id].data.lock().take().expect("link initialized at startup; qed");
(
net.peers[peer_id].client().clone(),
link,
)
};
finality_notifications.push(
client.finality_notification_stream()
.take_while(|n| Ok(n.header.number() < &20))
.for_each(move |_| Ok(()))
);
let voter = run_grandpa(
Config {
gossip_duration: TEST_GOSSIP_DURATION,
local_key,
},
link,
MessageRouting::new(net.clone(), peer_id),
).expect("all in order with client and network");
runtime.spawn(voter);
}
// wait for all finalized on each.
let wait_for = ::futures::future::join_all(finality_notifications)
.map(|_| ())
.map_err(|_| ());
let drive_to_completion = ::tokio::timer::Interval::new_interval(TEST_ROUTING_INTERVAL)
.for_each(move |_| { net.lock().route_until_complete(); Ok(()) })
.map(|_| ())
.map_err(|_| ());
runtime.block_on(wait_for.select(drive_to_completion).map_err(|_| ())).unwrap();
}
}
substrate/core/finality-grandpa/src/tests.rs
+241
View File
@@ -0,0 +1,241 @@
use super::*;
use network::test::{Block, Hash, TestNetFactory, Peer, PeersClient};
use network::import_queue::{PassThroughVerifier};
use network::ProtocolConfig;
use parking_lot::Mutex;
use tokio::runtime::current_thread;
use keyring::Keyring;
use client::BlockchainEvents;
use test_client;
type PeerData = Mutex<Option<LinkHalf<test_client::Backend, test_client::Executor, Block>>>;
type GrandpaPeer = Peer<PassThroughVerifier, PeerData>;
struct GrandpaTestNet {
peers: Vec<Arc<GrandpaPeer>>,
started: bool
}
impl TestNetFactory for GrandpaTestNet {
type Verifier = PassThroughVerifier;
type PeerData = PeerData;
/// Create new test network with peers and given config.
fn from_config(_config: &ProtocolConfig) -> Self {
GrandpaTestNet {
peers: Vec::new(),
started: false
}
}
fn make_verifier(&self, _client: Arc<PeersClient>, _cfg: &ProtocolConfig)
-> Arc<Self::Verifier>
{
Arc::new(PassThroughVerifier(false)) // use non-instant finality.
}
fn make_block_import(&self, client: Arc<PeersClient>)
-> (Arc<BlockImport<Block,Error=ClientError> + Send + Sync>, PeerData)
{
let (import, link) = block_import(client).expect("Could not create block import for fresh peer.");
(Arc::new(import), Mutex::new(Some(link)))
}
fn peer(&self, i: usize) -> &GrandpaPeer {
&self.peers[i]
}
fn peers(&self) -> &Vec<Arc<GrandpaPeer>> {
&self.peers
}
fn mut_peers<F: Fn(&mut Vec<Arc<GrandpaPeer>>)>(&mut self, closure: F) {
closure(&mut self.peers);
}
fn started(&self) -> bool {
self.started
}
fn set_started(&mut self, new: bool) {
self.started = new;
}
}
#[derive(Clone)]
struct MessageRouting {
inner: Arc<Mutex<GrandpaTestNet>>,
peer_id: usize,
}
impl MessageRouting {
fn new(inner: Arc<Mutex<GrandpaTestNet>>, peer_id: usize,) -> Self {
MessageRouting {
inner,
peer_id,
}
}
}
fn round_to_topic(round: u64) -> Hash {
let mut hash = Hash::default();
round.using_encoded(|s| {
let raw = hash.as_mut();
raw[..8].copy_from_slice(s);
});
hash
}
impl Network for MessageRouting {
type In = Box<Stream<Item=Vec<u8>,Error=()>>;
fn messages_for(&self, round: u64) -> Self::In {
let messages = self.inner.lock().peer(self.peer_id)
.with_spec(|spec, _| spec.gossip.messages_for(round_to_topic(round)));
let messages = messages.map_err(
move |_| panic!("Messages for round {} dropped too early", round)
);
Box::new(messages)
}
fn send_message(&self, round: u64, message: Vec<u8>) {
let mut inner = self.inner.lock();
inner.peer(self.peer_id).gossip_message(round_to_topic(round), message);
inner.route();
}
fn drop_messages(&self, round: u64) {
let topic = round_to_topic(round);
self.inner.lock().peer(self.peer_id)
.with_spec(|spec, _| spec.gossip.collect_garbage(|t| t == &topic));
}
}
const TEST_GOSSIP_DURATION: Duration = Duration::from_millis(500);
const TEST_ROUTING_INTERVAL: Duration = Duration::from_millis(50);
#[test]
fn finalize_20_unanimous_3_peers() {
let mut net = GrandpaTestNet::new(3);
net.peer(0).push_blocks(20, false);
net.sync();
let net = Arc::new(Mutex::new(net));
let peers = &[
(0, Keyring::Alice),
(1, Keyring::Bob),
(2, Keyring::Charlie),
];
let voters: Vec<_> = peers.iter()
.map(|&(_, ref key)| AuthorityId(key.to_raw_public()))
.collect();
let mut finality_notifications = Vec::new();
let mut runtime = current_thread::Runtime::new().unwrap();
for (peer_id, key) in peers {
let (client, link) = {
let mut net = net.lock();
// temporary needed for some reason
let link = net.peers[*peer_id].data.lock().take().expect("link initialized at startup; qed");
(
net.peers[*peer_id].client().clone(),
link,
)
};
finality_notifications.push(
client.finality_notification_stream()
.take_while(|n| Ok(n.header.number() < &20))
.for_each(move |_| Ok(()))
);
let voter = run_grandpa(
Config {
gossip_duration: TEST_GOSSIP_DURATION,
local_key: Some(Arc::new(key.clone().into())),
},
link,
MessageRouting::new(net.clone(), *peer_id),
).expect("all in order with client and network");
runtime.spawn(voter);
}
// wait for all finalized on each.
let wait_for = ::futures::future::join_all(finality_notifications)
.map(|_| ())
.map_err(|_| ());
let drive_to_completion = ::tokio::timer::Interval::new_interval(TEST_ROUTING_INTERVAL)
.for_each(move |_| { net.lock().route_until_complete(); Ok(()) })
.map(|_| ())
.map_err(|_| ());
runtime.block_on(wait_for.select(drive_to_completion).map_err(|_| ())).unwrap();
}
#[test]
fn observer_can_finalize() {
let mut net = GrandpaTestNet::new(4);
net.peer(0).push_blocks(20, false);
net.sync();
let net = Arc::new(Mutex::new(net));
let peers = &[
(0, Keyring::Alice),
(1, Keyring::Bob),
(2, Keyring::Charlie),
];
let voters: HashMap<_, _> = peers.iter()
.map(|&(_, ref key)| (AuthorityId(key.to_raw_public()), 1))
.collect();
let mut finality_notifications = Vec::new();
let mut runtime = current_thread::Runtime::new().unwrap();
let all_peers = peers.iter()
.cloned()
.map(|(id, key)| (id, Some(Arc::new(key.into()))))
.chain(::std::iter::once((3, None)));
for (peer_id, local_key) in all_peers {
let (client, link) = {
let mut net = net.lock();
let link = net.peers[peer_id].data.lock().take().expect("link initialized at startup; qed");
(
net.peers[peer_id].client().clone(),
link,
)
};
finality_notifications.push(
client.finality_notification_stream()
.take_while(|n| Ok(n.header.number() < &20))
.for_each(move |_| Ok(()))
);
let voter = run_grandpa(
Config {
gossip_duration: TEST_GOSSIP_DURATION,
local_key,
},
link,
MessageRouting::new(net.clone(), peer_id),
).expect("all in order with client and network");
runtime.spawn(voter);
}
// wait for all finalized on each.
let wait_for = ::futures::future::join_all(finality_notifications)
.map(|_| ())
.map_err(|_| ());
let drive_to_completion = ::tokio::timer::Interval::new_interval(TEST_ROUTING_INTERVAL)
.for_each(move |_| { net.lock().route_until_complete(); Ok(()) })
.map(|_| ())
.map_err(|_| ());
runtime.block_on(wait_for.select(drive_to_completion).map_err(|_| ())).unwrap();
}