[new feature] add Notify component (#2135)

packages/notify/test/index.spec.js

@@ -0,0 +1,49 @@
+import Notify from '../';
+import { transitionStub, later } from '../../../test/utils';
+
+transitionStub();
+
+test('create a notify', async() => {
+  // should not cause error when call clear before show notify
+  Notify.clear();
+
+  const notify = Notify('test');
+
+  await later();
+  expect(notify.$el.outerHTML).toMatchSnapshot();
+});
+
+test('notify disappear', async() => {
+  const notify = Notify({
+    message: 'test',
+    color: 'red',
+    background: 'blue',
+    duration: 10
+  });
+
+  await later();
+  expect(notify.$el.outerHTML).toMatchSnapshot();
+
+  await later(20);
+  expect(notify.$el.outerHTML).toMatchSnapshot();
+
+  Notify({
+    message: 'text2',
+    duration: 0
+  });
+
+  await later();
+  expect(notify.$el.outerHTML).toMatchSnapshot();
+
+  Notify.clear();
+  await later();
+  expect(notify.$el.outerHTML).toMatchSnapshot();
+});
+
+test('set default options', () => {
+  Notify.setDefaultOptions({ duration: 1000 });
+  expect(Notify().duration).toEqual(1000);
+  Notify.resetDefaultOptions();
+  expect(Notify().duration).toEqual(3000);
+  Notify.clear();
+});