From 9e00e99c2143f66a5dd61d80cb5c292a77eefbc6 Mon Sep 17 00:00:00 2001
From: yihuang <yi.codeplayer@gmail.com>
Date: Tue, 19 Nov 2019 16:57:05 +0800
Subject: [PATCH] add mock testing for lite client

---
 tendermint/src/lite/types.rs             |  1 +
 tendermint/tests/lite.rs                 | 28 +++++++++
 tendermint/tests/support/lite/basic.json | 78 ++++++++++++++++++++++++
 3 files changed, 107 insertions(+)
 create mode 100644 tendermint/tests/lite.rs
 create mode 100644 tendermint/tests/support/lite/basic.json

diff --git a/tendermint/src/lite/types.rs b/tendermint/src/lite/types.rs
index ddf5534d3..a8f95bc5f 100644
--- a/tendermint/src/lite/types.rs
+++ b/tendermint/src/lite/types.rs
@@ -102,6 +102,7 @@ pub trait Vote {
     fn signature(&self) -> &[u8];
 }
 
+#[derive(Debug)]
 pub enum Error {
     Expired,
     NonSequentialHeight,
diff --git a/tendermint/tests/lite.rs b/tendermint/tests/lite.rs
new file mode 100644
index 000000000..251a8f916
--- /dev/null
+++ b/tendermint/tests/lite.rs
@@ -0,0 +1,28 @@
+use serde::{Deserialize, Serialize};
+use serde_json;
+use std::{fs, path::PathBuf};
+use tendermint::{lite, rpc::endpoint::commit::SignedHeader, validator};
+
+#[derive(Serialize, Deserialize, Clone, Debug)]
+struct TestSuite {
+    signed_header: SignedHeader,
+    last_validators: Vec<validator::Info>,
+    validators: Vec<validator::Info>,
+}
+
+fn read_json_fixture(name: &str) -> String {
+    fs::read_to_string(PathBuf::from("./tests/support/lite/").join(name.to_owned() + ".json"))
+        .unwrap()
+}
+
+#[test]
+fn check_verifier_with_mock_data() {
+    let suite: TestSuite = serde_json::from_str(&read_json_fixture("basic")).unwrap();
+    lite::verify_trusting(
+        suite.signed_header.header.clone(),
+        suite.signed_header,
+        validator::Set::new(suite.last_validators),
+        validator::Set::new(suite.validators),
+    )
+    .expect("verify_trusting failed");
+}
diff --git a/tendermint/tests/support/lite/basic.json b/tendermint/tests/support/lite/basic.json
new file mode 100644
index 000000000..eb7c013ab
--- /dev/null
+++ b/tendermint/tests/support/lite/basic.json
@@ -0,0 +1,78 @@
+{
+    "signed_header": {
+        "header": {
+            "version": {
+                "block": "10",
+                "app": "0"
+            },
+            "chain_id": "test-chain-y3m1e6-AB",
+            "height": "1",
+            "time": "2019-11-19T07:56:45.46738Z",
+            "num_txs": "0",
+            "total_txs": "0",
+            "last_block_id": {
+                "hash": "",
+                "parts": {
+                    "total": "0",
+                    "hash": ""
+                }
+            },
+            "last_commit_hash": "",
+            "data_hash": "",
+            "validators_hash": "1F0F3E080DCE3253C88394F2CE479C074C5A25FE94A6C8560C76B6F2281BD685",
+            "next_validators_hash": "1F0F3E080DCE3253C88394F2CE479C074C5A25FE94A6C8560C76B6F2281BD685",
+            "consensus_hash": "048091BC7DDC283F77BFBF91D73C44DA58C3DF8A9CBC867405D8B7F3DAADA22F",
+            "app_hash": "2E419E5A3CDD1F718EA956E9AF91E57FD4FD5D8C8DDEA43FB3D8728E8E41852D",
+            "last_results_hash": "",
+            "evidence_hash": "",
+            "proposer_address": "30B3C78C25BB72796960B63AA06CA7ED5F648951"
+        },
+        "commit": {
+            "block_id": {
+                "hash": "0D06FAEB490248DC504CDD2B4318BEFCB2FD06F866BACAE9864CC5B7373D2A82",
+                "parts": {
+                    "total": "1",
+                    "hash": "C74C19586564ECC8A348BAE68D505230618B9FABB291549FFD59A6322E961865"
+                }
+            },
+            "precommits": [
+                {
+                    "type": 2,
+                    "height": "1",
+                    "round": "0",
+                    "block_id": {
+                        "hash": "0D06FAEB490248DC504CDD2B4318BEFCB2FD06F866BACAE9864CC5B7373D2A82",
+                        "parts": {
+                            "total": "1",
+                            "hash": "C74C19586564ECC8A348BAE68D505230618B9FABB291549FFD59A6322E961865"
+                        }
+                    },
+                    "timestamp": "2019-11-19T07:57:02.408782Z",
+                    "validator_address": "30B3C78C25BB72796960B63AA06CA7ED5F648951",
+                    "validator_index": "0",
+                    "signature": "C/AVaOIcMyXozkyMiWFAB2/hHZeBKCZ97W+ivbJtBlgwYxyVRZeQQhBF+8uxr0vvpbKDEKUIxaq8Zng1nN5LAA=="
+                }
+            ]
+        }
+    },
+    "last_validators": [
+        {
+            "address": "30B3C78C25BB72796960B63AA06CA7ED5F648951",
+            "pub_key": {
+                "type": "tendermint/PubKeyEd25519",
+                "value": "ZncnqXOpTbsTYZqkbdzHne9y1h8Z1gp3Xlayfi4QzW0="
+            },
+            "voting_power": "12500000000"
+        }
+    ],
+    "validators": [
+        {
+            "address": "30B3C78C25BB72796960B63AA06CA7ED5F648951",
+            "pub_key": {
+                "type": "tendermint/PubKeyEd25519",
+                "value": "ZncnqXOpTbsTYZqkbdzHne9y1h8Z1gp3Xlayfi4QzW0="
+            },
+            "voting_power": "12500000000"
+        }
+    ]
+}