fix bugs and add new features (#25)

* fix bugs and add new features

* add unit test

* fix tab/tag/datetime-picker bugs

test/unit/specs/tabs.spec.js

@@ -68,4 +68,10 @@ describe('Tabs', () => {
       done();
     });
   });
+
+  it('check animation duration', () => {
+    wrapper = mount(TabsTestComponent);
+
+    expect(wrapper.style.transitionDuration != '').to.be.true;
+  });
 });

test/unit/specs/tag.spec.js

@@ -0,0 +1,29 @@
+import Tag from 'packages/tag';
+import { mount } from 'avoriaz';
+
+describe('Tag', () => {
+  let wrapper;
+  afterEach(() => {
+    wrapper && wrapper.destroy();
+  });
+
+  it('create without typeProps', () => {
+    wrapper = mount(Tag);
+  });
+
+  it('create with right typeProps', () => {
+    wrapper = mount(Tag, {
+      propsData: {
+        type: 'primary'
+      }
+    })
+  });
+
+  it('create with wrong typeProps', () => {
+    wrapper = mount(Tag, {
+      propsData: {
+        type: 'wrong'
+      }
+    })
+  });
+});