add some basic tests

package.json

@@ -6,8 +6,9 @@
   "scripts": {
     "prepublish": "npm run build",
     "postinstall": "node src/haste.js",
-    "test": "npm run lint",
-    "lint": "eslint 'src/' 'test/' 'mock.js'",
+    "test": "npm run lint && npm run mocha",
+    "mocha": "mocha --require mock.js --bail 'tests/**/*.test.js'",
+    "lint": "eslint 'src/' 'tests/' 'mock.js'",
     "build": "babel src --out-dir build"
   },
   "repository": {

src/NativeModules.js

@@ -113,3 +113,5 @@ _.forEach(Object.keys(mockNativeModules), function (mod) {
 });
 
 mockery.registerMock('NativeModules', mockNativeModules);
+
+export default mockNativeModules;

tests/globals.test.js

@@ -0,0 +1,16 @@
+import { expect } from 'chai';
+
+
+describe('Globals', function () {
+  it('should have promise globally', function () {
+    expect(global.Promise).to.deep.equal(require('promise'));
+  });
+
+  it('should have promise globally', function () {
+    expect(global.regeneratorRuntime).to.deep.equal(require('regenerator-runtime/runtime'));
+  });
+
+  it('should be in dev', function () {
+    expect(global.__DEV__).to.be.true;
+  });
+});

tests/haste-map.test.js

@@ -0,0 +1,19 @@
+import { expect } from 'chai';
+import fs from 'fs';
+import path from 'path';
+
+const MAP_LOCATION = path.join(__dirname, '../haste-map.json');
+
+describe('Haste Map', function () {
+  it('Should have one initially', function () {
+    const stat = fs.statSync(MAP_LOCATION);
+    expect(stat.isFile()).to.be.true;
+  });
+
+  it('should contain correct data', function () {
+    const HasteMap = require('../haste-map');
+    expect(HasteMap).to.have.all.keys('hasteMap', 'version');
+    expect(HasteMap.hasteMap).to.be.an('object');
+    expect(HasteMap.version).to.be.a('string');
+  });
+});

tests/native-modules.test.js

@@ -0,0 +1,18 @@
+import { expect } from 'chai';
+import NativeModules from '../src/NativeModules';
+
+describe('Native Modules', function () {
+  it('Should be defined', function () {
+    expect(require('NativeModules')).to.deep.equal(NativeModules);  // eslint-disable-line import/no-unresolved
+    expect(NativeModules).to.be.an('object');
+  });
+
+  describe('Single Modules', function () {
+    Object.keys(NativeModules).forEach(function (mod) {
+      it('should require ' + mod, function () {
+        expect(require(mod)).to.deep.equal(NativeModules[mod]);
+        expect(require(mod)).to.be.an('object');
+      });
+    });
+  });
+});

tests/react-native-version.test.js

@@ -0,0 +1,9 @@
+import { expect } from 'chai';
+
+
+describe('React-Native version', function () {
+  it('should return correct version', function () {
+    const version = require('../src/react-native-version');
+    expect(version).to.be.a('string');
+  });
+});