Simple tests have been added

package.json

@@ -28,7 +28,9 @@
         "babel-core": "^6.24.1",
         "babel-preset-es2015": "^6.24.1",
         "babel-preset-es2015-rollup": "^3.0.0",
+        "chai": "^4.1.2",
         "eslint": "^3.19.0",
+        "mocha": "^3.5.3",
         "rollup": "^0.50.0",
         "rollup-plugin-babel": "^3.0.2",
         "rollup-plugin-node-builtins": "^2.1.2",
@@ -38,6 +40,7 @@
         "build-standalone": "babel src/index.js --out-file dist/standalone.js",
         "build-browser": "rollup --config rollup.config.js",
         "build": "npm run build-browser && npm run build-standalone",
-        "check": "eslint ./src/*"
+        "test": "mocha src/test.js --compilers js:babel-core/register",
+        "check": "eslint ./src/index.js"
     }
 }

src/test.js

@@ -0,0 +1,42 @@
+import { assert } from 'chai';
+
+import {
+    decryptJSON,
+    connect,
+    decrypt,
+    encrypt,
+    send
+} from './index';
+
+describe('iii-client:', () => {
+    var uuid = '109cd867-0ef3-4473-af71-7543a9b2fccd';
+    var cuid = '0340feab-b09e-4960-96e9-c9518b1fb157';
+    var text = 'Hello, World!';
+    var data = JSON.stringify({ text });
+
+    it('encrypt():', () => {
+        assert.notEqual(text, encrypt(text));
+    });
+
+    it('decrypt():', () => {
+        var encrypted = encrypt(text);
+        assert.equal(text, decrypt(encrypted));
+    });
+
+    it('decryptJSON():', () => {
+        var encrypted = encrypt(data);
+        assert.equal(data, decrypt(encrypted).toString());
+    });
+
+    it('connect():', () => {
+        connect(uuid, (request) => {
+            assert.isObject(request);
+        });
+    });
+
+    it('send():', () => {
+        send(cuid, text, (request) => {
+            assert.isObject(request);
+        });
+    });
+});