fixed style

sync/src/local_node.rs

@@ -282,7 +282,7 @@ mod tests {
 		let server = Arc::new(DummyServer::new());
 		let config = Config { threads_num: 1 };
 		let client_core = SynchronizationClientCore::new(config, &handle, executor.clone(), chain.clone());
-		let mut verifier = DummyVerifier::new();
+		let mut verifier = DummyVerifier::default();
 		verifier.set_sink(client_core.clone());
 		let client = SynchronizationClient::new(client_core, verifier);
 		let local_node = LocalNode::new(server.clone(), client, executor.clone());

sync/src/synchronization_client.rs

@@ -1100,10 +1100,7 @@ pub mod tests {
 		let config = Config { threads_num: 1 };
 
 		let client_core = SynchronizationClientCore::new(config, &handle, executor.clone(), chain.clone());
-		let mut verifier = match verifier {
-			Some(verifier) => verifier,
-			None => DummyVerifier::new(),
-		};
+		let mut verifier = verifier.unwrap_or_default();
 		verifier.set_sink(client_core.clone());
 		let client = SynchronizationClient::new(client_core, verifier);
 		(event_loop, handle, executor, chain, client)
@@ -1768,7 +1765,7 @@ pub mod tests {
 		let b23 = test_data::block_builder().header().parent(b22.hash()).build().build();
 
 		// TODO: simulate verification during b21 verification
-		let mut dummy_verifier = DummyVerifier::new();
+		let mut dummy_verifier = DummyVerifier::default();
 		dummy_verifier.error_when_verifying(b21.hash(), "simulated");
 
 		let (_, _, _, _, sync) = create_sync(None, Some(dummy_verifier));

sync/src/synchronization_verifier.rs

@@ -157,19 +157,13 @@ pub mod tests {
 	use primitives::hash::H256;
 	use super::{Verifier, VerificationSink};
 
+	#[derive(Default)]
 	pub struct DummyVerifier {
 		sink: Option<Arc<Mutex<SynchronizationClientCore<DummyTaskExecutor>>>>,
 		errors: HashMap<H256, String>
 	}
 
 	impl DummyVerifier {
-		pub fn new() -> Self {
-			DummyVerifier {
-				sink: None,
-				errors: HashMap::new(),
-			}
-		}
-
 		pub fn set_sink(&mut self, sink: Arc<Mutex<SynchronizationClientCore<DummyTaskExecutor>>>) {
 			self.sink = Some(sink);
 		}