Adding tests.

package.json

@@ -9,14 +9,19 @@
     "type": "git"
   },
   "license": "MIT",
+  "jest": {
+    "rootDir": "lib"
+  },
   "scripts": {
     "build": "babel --out-dir lib src",
     "start": "watch 'yarn run build' src",
-    "prepublish": "yarn run build"
+    "prepublish": "yarn run build",
+    "test": "yarn run build; jest"
   },
   "devDependencies": {
     "babel-cli": "^6.18.0",
     "babel-preset-latest": "^6.16.0",
+    "jest": "^17.0.3",
     "watch": "^1.0.1"
   },
   "peerDependencies": {

src/index.spec.js

@@ -0,0 +1,20 @@
+import { colors } from './index';
+
+describe('themer default colors', () => {
+
+  it('should contain both a light and a dark theme', () => {
+    expect(colors.light).toBeDefined();
+    expect(colors.dark).toBeDefined();
+  });
+
+  it('should define all 16 required colors for each theme', () => {
+    const prefixes = [ 'accent', 'shade' ];
+    prefixes.forEach(prefix => {
+      for (let i = 0; i <= 7; i++) {
+        expect(colors.light[`${prefix}${i}`]).toBeDefined();
+        expect(colors.dark[`${prefix}${i}`]).toBeDefined();
+      }
+    });
+  });
+
+});