Fixes tests

cumulus/Cargo.lock

@@ -553,13 +553,16 @@ version = "0.1.0"
 dependencies = [
  "cumulus-consensus 0.1.0",
  "cumulus-runtime 0.1.0",
+ "cumulus-test-client 0.1.0",
  "cumulus-test-runtime 0.1.0",
+ "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "polkadot-collator 0.6.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
+ "polkadot-executor 0.6.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
  "polkadot-primitives 0.6.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-cli 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -569,6 +572,7 @@ dependencies = [
  "substrate-keyring 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-service 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
+ "substrate-test-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
 ]
 
 [[package]]

cumulus/collator/Cargo.toml

@@ -31,4 +31,8 @@ parking_lot = "0.9"
 
 [dev-dependencies]
 test-runtime = { package = "cumulus-test-runtime", path = "../test/runtime" }
+test-client = { package = "cumulus-test-client", path = "../test/client" }
+substrate-test-client = { git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
+polkadot-executor = { git = "https://github.com/paritytech/polkadot", branch = "bkchr-cumulus-branch" }
 keyring = { package = "substrate-keyring", git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
+env_logger = "0.7.1"

cumulus/collator/src/lib.rs

@@ -319,10 +319,13 @@ mod tests {
 	use polkadot_primitives::parachain::{ConsolidatedIngress, HeadData, FeeSchedule};
 
 	use keyring::Sr25519Keyring;
-	use sr_primitives::traits::{DigestFor, Header as HeaderT};
+	use sr_primitives::{generic::BlockId, traits::{DigestFor, Header as HeaderT}};
 	use inherents::InherentData;
+	use substrate_client::error::Result as ClientResult;
+	use substrate_test_client::{NativeExecutor, WasmExecutionMethod::Interpreted};
 
 	use test_runtime::{Block, Header};
+	use test_client::{Client, DefaultTestClientBuilderExt, TestClientBuilder, TestClientBuilderExt};
 
 	use futures03::future;
 	use futures::Stream;
@@ -368,7 +371,7 @@ mod tests {
 				digest,
 			);
 
-			future::ready(Ok((Block::new(header, Vec::new()), None)))
+			future::ready(Ok((Block::new(header, Vec::new()), Some(Default::default()))))
 		}
 	}
 
@@ -398,11 +401,72 @@ mod tests {
 			Ok(ConsolidatedIngress(Vec::new()))
 		}
 	}
-/*
+
+	#[derive(Clone)]
+	struct DummyPolkadotClient;
+
+	impl cumulus_consensus::PolkadotClient for DummyPolkadotClient {
+		type Error = Error;
+		type Finalized = Box<dyn futures03::Stream<Item=Vec<u8>> + Send + Unpin>;
+
+		fn finalized_heads(&self, _: ParaId) -> ClientResult<Self::Finalized> {
+			unimplemented!("Not required in tests")
+		}
+
+		fn parachain_head_at(
+			&self,
+			_: &BlockId<PBlock>,
+			_: ParaId,
+		) -> ClientResult<Option<Vec<u8>>>{
+			unimplemented!("Not required in tests")
+		}
+	}
+
+	struct DummySetup;
+
+	impl SetupParachain<Block> for DummySetup {
+		type ProposerFactory = DummyFactory;
+		type BlockImport = Client;
+
+		fn setup_parachain<P: cumulus_consensus::PolkadotClient>(
+			self,
+			_: P,
+			_: TaskExecutor,
+		) -> Result<(Self::ProposerFactory, Self::BlockImport, InherentDataProviders), String> {
+			Ok((DummyFactory, TestClientBuilder::new().build(), InherentDataProviders::default()))
+		}
+	}
+
+	type BoxFuture = Box<dyn Future<Item = (), Error = ()> + Send>;
+
+	struct DummyFutureExecutor;
+
+	impl futures::future::Executor<BoxFuture>
+		for DummyFutureExecutor
+	{
+		fn execute(
+			&self,
+			_: BoxFuture,
+		) -> Result<(), futures::future::ExecuteError<BoxFuture>> {
+			unimplemented!("Not required in tests")
+		}
+	}
+
 	#[test]
 	fn collates_produces_a_block() {
-		let builder = CollatorBuilder::new(DummyFactory);
-		let context = builder.build(Arc::new(DummyCollatorNetwork)).expect("Creates parachain context");
+		let _ = env_logger::try_init();
+
+		let builder = CollatorBuilder::new(DummySetup);
+		let context = builder.build(
+			Arc::new(
+				substrate_test_client::TestClientBuilder::<_, _, ()>::default()
+					.build_with_native_executor(
+						Some(NativeExecutor::<polkadot_executor::Executor>::new(Interpreted, None)),
+					).0
+			),
+			Arc::new(DummyFutureExecutor),
+			Arc::new(DummyCollatorNetwork),
+		).expect("Creates parachain context");
 
 		let id = ParaId::from(100);
 		let header = Header::new(
@@ -435,5 +499,4 @@ mod tests {
 
 		assert_eq!(1337, *block.header().number());
 	}
-	*/
 }

cumulus/runtime/src/validate_block/tests.rs

@@ -25,11 +25,14 @@ use test_client::{
 	runtime::{Block, Transfer, Hash, WASM_BINARY, Header}
 };
 use consensus_common::SelectChain;
-use parachain::ValidationParams;
+use parachain::{ValidationParams, ValidationResult};
 
-use codec::Encode;
+use codec::{Encode, Decode};
 
-fn call_validate_block(parent_head: Header, block_data: ParachainBlockData<Block>) -> Result<()> {
+fn call_validate_block(
+	parent_head: Header,
+	block_data: ParachainBlockData<Block>,
+) -> Result<Header> {
 	let mut ext = TestExternalities::default();
 	let mut ext_ext = ext.ext();
 	let params = ValidationParams {
@@ -45,7 +48,9 @@ fn call_validate_block(parent_head: Header, block_data: ParachainBlockData<Block
 		&mut ext_ext,
 		&WASM_BINARY,
 		1024,
-	).map(|v| assert!(v.is_empty(), "`validate_block` does not return anything"))
+	)
+	.map(|v| ValidationResult::decode(&mut &v[..]).expect("Decode `ValidationResult`."))
+	.map(|v| Header::decode(&mut &v.head_data[..]).expect("Decode `Header`."))
 }
 
 fn create_extrinsics() -> Vec<<Block as BlockT>::Extrinsic> {
@@ -110,12 +115,14 @@ fn validate_block_with_no_extrinsics() {
 	let (header, extrinsics) = block.deconstruct();
 
 	let block_data = ParachainBlockData::new(
-		header,
+		header.clone(),
 		extrinsics,
 		witness_data,
 		witness_data_storage_root
 	);
-	call_validate_block(parent_head, block_data).expect("Calls `validate_block`");
+
+	let res_header = call_validate_block(parent_head, block_data).expect("Calls `validate_block`");
+	assert_eq!(header, res_header);
 }
 
 #[test]
@@ -127,12 +134,14 @@ fn validate_block_with_extrinsics() {
 	let (header, extrinsics) = block.deconstruct();
 
 	let block_data = ParachainBlockData::new(
-		header,
+		header.clone(),
 		extrinsics,
 		witness_data,
 		witness_data_storage_root
 	);
-	call_validate_block(parent_head, block_data).expect("Calls `validate_block`");
+
+	let res_header = call_validate_block(parent_head, block_data).expect("Calls `validate_block`");
+	assert_eq!(header, res_header);
 }
 
 #[test]