Add Tests & 100% Code Coverage

.babelrc

@@ -0,0 +1,7 @@
+{
+  "presets": [
+    "es2015",
+    "react",
+    "stage-2"
+  ]
+}

.gitignore

@@ -1,9 +1,10 @@
 build/
+coverage/
 
 npm-debug.log*
 node_modules/
 
 *.tgz
 
 .DS_Store
-*~
+*~

.travis.yml

@@ -3,4 +3,8 @@ language: node_js
 node_js: '8.9'
 
 before_script: npm run lint
-script: npm test
+script: npm test -- --coverage
+after_script:
+  # upload coverage reports to CodeCov
+  - bash <(curl -s https://codecov.io/bash)
+  - npm run test:pub

README.md

@@ -11,6 +11,7 @@
 [![dw](https://img.shields.io/npm/dw/react-signature-canvas.svg)](https://npmjs.org/package/react-signature-canvas)
 <br><!-- status / activity -->
 [![build status](https://img.shields.io/travis/agilgur5/react-signature-canvas/master.svg)](https://travis-ci.org/agilgur5/react-signature-canvas)
+[![code coverage](https://img.shields.io/codecov/c/gh/agilgur5/react-signature-canvas/master.svg)](https://codecov.io/gh/agilgur5/react-signature-canvas)
 <br>
 [![NPM](https://nodei.co/npm/react-signature-canvas.png?downloads=true&downloadRank=true&stars=true)](https://npmjs.org/package/react-signature-canvas)
 

jest.config.js

@@ -0,0 +1,20 @@
+module.exports = {
+  moduleNameMapper: {
+    // allow importing of Jest as an ES Module (https://github.com/facebook/jest/pull/7571#issuecomment-498634094)
+    '^jest$': '<rootDir>/test-utils/jest-export.js'
+  },
+  setupFilesAfterEnv: [
+    // configure enzyme w/ react adapter
+    '<rootDir>/test-utils/configure-enzyme.js',
+    // polyfill window.resizeTo
+    '<rootDir>/test-utils/window-resizeTo.js'
+  ],
+  transform: {
+    // use babel-jest@23 for babel@6 support (https://github.com/facebook/jest/issues/8230#issuecomment-479470547)
+    '\\.js$': require.resolve('babel-jest')
+  },
+  coveragePathIgnorePatterns: [
+    '/node_modules/', // default
+    '<rootDir>/test-utils/' // ignore test-utils
+  ]
+}