start adding tests for the worker

test/src/worker.js

@@ -0,0 +1,39 @@
+import expect from 'expect.js';
+import Worker from '../../lib/worker';
+
+describe('Worker', function () {
+  describe('invalid construction', function () {
+    let mockQueue;
+
+    beforeEach(function () {
+      mockQueue = {};
+    });
+
+    it('should throw without a type', function () {
+      const init = () => new Worker(mockQueue);
+      expect(init).to.throwException(/type.+string/i);
+    });
+
+    it('should throw without an invalid type', function () {
+      const init = () => new Worker(mockQueue, { string: false });
+      expect(init).to.throwException(/type.+string/i);
+    });
+
+    it('should throw without a worker', function () {
+      const init = () => new Worker(mockQueue, 'test');
+      expect(init).to.throwException(/worker.+function/i);
+    });
+
+    it('should throw with an invalid worker', function () {
+      const init = () => new Worker(mockQueue, 'test', { function: false });
+      expect(init).to.throwException(/worker.+function/i);
+    });
+  });
+
+  // describe('construction', function () {
+  //   it('should have a unique ID', function () {
+  //     var worker = new Worker(mockQueue);
+  //   });
+  // });
+
+});