Fix warning and directory restructure.

substrate/substrate/rpc/src/chain/tests.rs

@@ -0,0 +1,48 @@
+// Copyright 2017 Parity Technologies (UK) Ltd.
+// This file is part of Substrate.
+
+// Substrate 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.
+
+// Substrate 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 Substrate.  If not, see <http://www.gnu.org/licenses/>.
+
+use substrate_executor as executor;
+use client;
+use super::*;
+
+#[test]
+fn should_return_header() {
+	let test_genesis_block = block::Header {
+		parent_hash: 0.into(),
+		number: 0,
+		state_root: 0.into(),
+		transaction_root: Default::default(),
+		digest: Default::default(),
+	};
+
+	let client = client::new_in_mem(executor::WasmExecutor, || (test_genesis_block.clone(), vec![])).unwrap();
+
+	assert_matches!(
+		ChainApi::header(&client, "af65e54217fb213853703d57b80fc5b2bb834bf923046294d7a49bff62f0a8b2".into()),
+		Ok(Some(ref x)) if x == &block::Header {
+			parent_hash: 0.into(),
+			number: 0,
+			state_root: 0.into(),
+			transaction_root: Default::default(),
+			digest: Default::default(),
+		}
+	);
+
+	assert_matches!(
+		ChainApi::header(&client, 5.into()),
+		Ok(None)
+	);
+}