add test

src/Notify/__tests__/__snapshots__/index-test.js.snap

@@ -0,0 +1,27 @@
+exports[`Notify should render correctly 1`] = `
+<Portal
+  isOpened={true}
+  onClose={[Function]}>
+  <div
+    className="uk-notify uk-notify-top-center">
+    <div
+      className="uk-notify-message uk-notify-message-warning"
+      style={
+        Object {
+          "marginTop": "-64px",
+          "overflow": "hidden",
+          "transition": "margin ease-out 300ms",
+        }
+      }>
+      <a
+        className="uk-close"
+        onClick={[Function]} />
+      <div>
+        <i
+          className="uk-icon-justify uk-icon-check" />
+        Notification #1
+      </div>
+    </div>
+  </div>
+</Portal>
+`;

src/Notify/__tests__/index-test.js

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+import renderer from 'react-test-renderer'
+
+import Notify from '../index'
+
+jest.mock('react-portal', () => 'Portal')
+
+describe('Notify', () => {
+  const defaultProps = {
+    notifications: [{ id: 1, type: 'warning', message: 'Notification #1' }],
+    icon: 'check',
+    isSticky: false,
+    position: 'top-center',
+  }
+  const component = renderer.create(
+    <Notify {...defaultProps} />
+  )
+  it('should render correctly', () => {
+    expect(component.toJSON()).toMatchSnapshot()
+  })
+
+  it('should hanlde click correctly', () => {
+    const instance = component.getInstance()
+    instance.handleClick()
+    expect(instance.state.isOpened).toBe(true)
+  })
+})