feat: unit-test with cmocka

- Test only 1 function which is in utils2.c
    - Because is not inlude nano sdk
- Move zemu's into functional folder
    - Change path of zemu's test in CI and Makefile

tests/functional/lib/test.fixture.js

@@ -0,0 +1,138 @@
+"use strict";
+
+var _zemu = _interopRequireWildcard(require("@zondax/zemu"));
+
+var _hwAppEth = _interopRequireDefault(require("@ledgerhq/hw-app-eth"));
+
+var _utils = require("ethers/lib/utils");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
+
+function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
+
+const transactionUploadDelay = 60000;
+
+async function waitForAppScreen(sim, current_screen = null) {
+  if (current_screen === null) current_screen = sim.getMainMenuSnapshot();
+  await sim.waitUntilScreenIsNot(current_screen, transactionUploadDelay);
+}
+
+const sim_options_nano = { ..._zemu.DEFAULT_START_OPTIONS,
+  logging: true,
+  X11: true,
+  startText: 'is ready'
+};
+
+const Resolve = require('path').resolve;
+
+const NANOS_ELF_PATH = Resolve('elfs/ethereum_nanos.elf');
+const NANOX_ELF_PATH = Resolve('elfs/ethereum_nanox.elf');
+const NANOS_CLONE_ELF_PATH = Resolve("elfs/ethereum_classic_nanos.elf");
+const NANOX_CLONE_ELF_PATH = Resolve("elfs/ethereum_classic_nanox.elf");
+const nano_models = [{
+  name: 'nanos',
+  letter: 'S',
+  path: NANOS_ELF_PATH,
+  clone_path: NANOS_CLONE_ELF_PATH
+}, {
+  name: 'nanox',
+  letter: 'X',
+  path: NANOX_ELF_PATH,
+  clone_path: NANOX_CLONE_ELF_PATH
+}];
+const TIMEOUT = 1000000; // useful to take an apdu as a hex string and convert its JS representation
+
+function apdu_as_string(str) {
+  let buffer = [];
+
+  for (let i = 0; i < str.length; i += 2) {
+    const str_extract = str.substring(i, i + 2);
+    buffer[i / 2] = parseInt(str_extract, 16);
+  }
+
+  return {
+    cla: buffer[0],
+    ins: buffer[1],
+    p1: buffer[2],
+    p2: buffer[3],
+    data: Buffer.from(buffer.slice(5))
+  };
+}
+
+async function send_apdu(ts, apdu) {
+  return ts.send(apdu.cla, apdu.ins, apdu.p1, apdu.p2, apdu.data);
+} // Generates a serializedTransaction from a rawHexTransaction copy pasted from etherscan.
+
+
+function txFromEtherscan(rawTx) {
+  // Remove 0x prefix
+  rawTx = rawTx.slice(2);
+  let txType = rawTx.slice(0, 2);
+
+  if (txType == "02" || txType == "01") {
+    // Remove "02" prefix
+    rawTx = rawTx.slice(2);
+  } else {
+    txType = "";
+  }
+
+  let decoded = _utils.RLP.decode("0x" + rawTx);
+
+  if (txType != "") {
+    decoded = decoded.slice(0, decoded.length - 3); // remove v, r, s
+  } else {
+    decoded[decoded.length - 1] = "0x"; // empty
+
+    decoded[decoded.length - 2] = "0x"; // empty
+
+    decoded[decoded.length - 3] = "0x01"; // chainID 1
+  } // Encode back the data, drop the '0x' prefix
+
+
+  let encoded = _utils.RLP.encode(decoded).slice(2); // Don't forget to prepend the txtype
+
+
+  return txType + encoded;
+}
+
+function zemu(device, func, start_clone = false) {
+  return async () => {
+    jest.setTimeout(TIMEOUT);
+    let elf_path;
+    let lib_elf;
+
+    if (start_clone) {
+      elf_path = device.clone_path;
+      lib_elf = {
+        'Ethereum': device.path
+      };
+    } else {
+      elf_path = device.path;
+    }
+
+    const sim = new _zemu.default(elf_path, lib_elf);
+
+    try {
+      await sim.start({ ...sim_options_nano,
+        model: device.name
+      });
+      const transport = await sim.getTransport();
+      await func(sim, new _hwAppEth.default(transport));
+    } finally {
+      await sim.close();
+    }
+  };
+}
+
+module.exports = {
+  zemu,
+  waitForAppScreen,
+  sim_options_nano,
+  nano_models,
+  TIMEOUT,
+  txFromEtherscan,
+  apdu_as_string,
+  send_apdu
+};