Configure travis

.travis.yml

@@ -0,0 +1,3 @@
+language: node_js
+node_js: 10
+dist: bionic

package.json

@@ -32,6 +32,11 @@
   "eslintConfig": {
     "extends": "react-app"
   },
+  "jest": {
+    "transformIgnorePatterns": [
+      "^.+\\.cjs$"
+    ]
+  },
   "browserslist": {
     "production": [
       ">0.2%",

src/App.test.js

@@ -1,9 +1,11 @@
 import React from 'react';
-import { render } from '@testing-library/react';
+import { act, render } from '@testing-library/react';
 import App from './App';
+import { sleep } from './utils/utils';
 
-test('renders learn react link', () => {
+test('renders learn react link', async () => {
   const { getByText } = render(<App />);
-  const linkElement = getByText(/learn react/i);
+  await act(() => sleep(1000));
+  const linkElement = getByText(/Create New Wallet/i);
   expect(linkElement).toBeInTheDocument();
 });

src/utils/wallet-seed.js

@@ -7,7 +7,7 @@ export async function generateMnemonicAndSeed() {
   const bip39 = await import('bip39');
   const mnemonic = bip39.generateMnemonic(128);
   const seed = await bip39.mnemonicToSeed(mnemonic);
-  return { mnemonic, seed: new Buffer(seed).toString('hex') };
+  return { mnemonic, seed: Buffer.from(seed).toString('hex') };
 }
 
 export async function mnemonicToSeed(mnemonic) {
@@ -16,7 +16,7 @@ export async function mnemonicToSeed(mnemonic) {
     throw new Error('Invalid seed words');
   }
   const seed = await bip39.mnemonicToSeed(mnemonic);
-  return new Buffer(seed).toString('hex');
+  return Buffer.from(seed).toString('hex');
 }
 
 let unlockedMnemonicAndSeed = JSON.parse(
@@ -86,7 +86,7 @@ export async function loadMnemonicAndSeed(password, stayLoggedIn) {
   if (!plaintext) {
     throw new Error('Incorrect password');
   }
-  const decodedPlaintext = new Buffer(plaintext).toString();
+  const decodedPlaintext = Buffer.from(plaintext).toString();
   const { mnemonic, seed } = JSON.parse(decodedPlaintext);
   if (stayLoggedIn) {
     sessionStorage.setItem('unlocked', decodedPlaintext);