Initial draft of blockchain tests.

src/tests/chain.rs

@@ -0,0 +1,49 @@
+use std::env;
+use super::test_common::*;
+use client::{BlockChainClient,Client};
+use pod_state::*;
+use ethereum;
+
+fn do_json_test(json_data: &[u8]) -> Vec<String> {
+	let json = Json::from_str(::std::str::from_utf8(json_data).unwrap()).expect("Json is invalid");
+	let mut failed = Vec::new();
+
+	for (name, test) in json.as_object().unwrap() {
+		let mut fail = false;
+		{
+			let mut fail_unless = |cond: bool| if !cond && !fail {
+				failed.push(name.clone());
+				flush(format!("FAIL\n"));
+				fail = true;
+				true
+			} else {false};
+
+			flush(format!("   - {}...", name));
+
+			let blocks: Vec<Bytes> = test["blocks"].as_array().unwrap().iter().map(|e| xjson!(&e["rlp"])).collect();
+			let mut spec = ethereum::new_frontier_like_test();
+			spec.overwrite_genesis(test.find("genesisBlockHeader").unwrap());
+			spec.genesis_state = PodState::from_json(test.find("pre").unwrap());
+
+			let mut dir = env::temp_dir();
+			dir.push(H32::random().hex());
+			{
+				let client = Client::new(spec, &dir, IoChannel::disconnected()).unwrap();
+				blocks.into_iter().foreach(|b| {
+					client.import_block(b).unwrap();
+				});
+				client.flush_queue();
+				client.import_verified_blocks(&IoChannel::disconnected());
+				flushln!("Best hash: {}", client.chain_info().best_block_hash);
+			}
+			fs::remove_dir_all(&dir).unwrap();
+		}
+		if !fail {
+			flush(format!("ok\n"));
+		}
+	}
+	println!("!!! {:?} tests from failed.", failed.len());
+	failed
+}
+
+declare_test!{BlockchainTests_bcStateTest, "BlockchainTests/bcStateTest"}

src/tests/mod.rs

@@ -4,3 +4,4 @@ mod test_common;
 mod transaction;
 mod executive;
 mod state;
+mod chain;