fix(ShareSheet): title slot not work

src/share-sheet/test/__snapshots__/demo.spec.js.snap

@@ -23,5 +23,12 @@ exports[`renders demo correctly 1`] = `
     </div>
     <!---->
   </div>
+  <div>
+    <div role="button" tabindex="0" class="van-cell van-cell--clickable">
+      <div class="van-cell__title"><span>显示分享面板</span></div><i class="van-icon van-icon-arrow van-cell__right-icon">
+        <!----></i>
+    </div>
+    <!---->
+  </div>
 </div>
 `;

src/share-sheet/test/__snapshots__/index.spec.js.snap

@@ -0,0 +1,14 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`cancel-text prop 1`] = `<button type="button" class="van-share-sheet__cancel">foo</button>`;
+
+exports[`description prop 1`] = `<span class="van-share-sheet__description">foo</span>`;
+
+exports[`title & description slot 1`] = `
+<div class="van-popup van-popup--round van-popup--bottom van-popup--safe-area-inset-bottom van-share-sheet" name="van-popup-slide-bottom">
+  <div class="van-share-sheet__header">
+    <h2 class="van-share-sheet__title">Custom Title</h2><span class="van-share-sheet__description">Custom Description</span>
+  </div>
+  <div class="van-share-sheet__options"></div><button type="button" class="van-share-sheet__cancel">取消</button>
+</div>
+`;

src/share-sheet/test/index.spec.js

@@ -0,0 +1,72 @@
+import ShareSheet from '..';
+import { mount } from '../../../test';
+
+test('cancel-text prop', () => {
+  const wrapper = mount(ShareSheet, {
+    propsData: {
+      value: true,
+      cancelText: 'foo',
+    },
+  });
+
+  expect(wrapper.find('.van-share-sheet__cancel')).toMatchSnapshot();
+
+  wrapper.setProps({ cancelText: '' });
+  expect(wrapper.contains('.van-share-sheet__cancel')).toBeFalsy();
+});
+
+test('description prop', () => {
+  const wrapper = mount(ShareSheet, {
+    propsData: {
+      value: true,
+      description: 'foo',
+    },
+  });
+
+  expect(wrapper.find('.van-share-sheet__description')).toMatchSnapshot();
+
+  wrapper.setProps({ description: '' });
+  expect(wrapper.contains('.van-share-sheet__description')).toBeFalsy();
+});
+
+test('select event', () => {
+  const wrapper = mount(ShareSheet, {
+    propsData: {
+      value: true,
+      options: [{ icon: 'wechat', name: 'wechat' }],
+    },
+  });
+
+  wrapper.find('.van-share-sheet__option').trigger('click');
+  expect(wrapper.emitted('select')[0]).toEqual([
+    { icon: 'wechat', name: 'wechat' },
+    0,
+  ]);
+});
+
+test('cancel event', () => {
+  const wrapper = mount(ShareSheet, {
+    propsData: {
+      value: true,
+    },
+  });
+
+  wrapper.find('.van-share-sheet__cancel').trigger('click');
+
+  expect(wrapper.emitted('input')[0][0]).toEqual(false);
+  expect(wrapper.emitted('cancel')[0]).toBeTruthy();
+});
+
+test('title & description slot', () => {
+  const wrapper = mount(ShareSheet, {
+    propsData: {
+      value: true,
+    },
+    scopedSlots: {
+      title: () => 'Custom Title',
+      description: () => 'Custom Description',
+    },
+  });
+
+  expect(wrapper).toMatchSnapshot();
+});