From e7b8bfc7cc786e5013f69ba9dc673242f9c28867 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E5=98=89=E6=B6=B5?= <chenjiahan@youzan.com>
Date: Sun, 26 Jan 2020 17:22:37 +0800
Subject: [PATCH] test(Picker): add cascade columns test case

---
 src/picker/test/index.spec.js | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/src/picker/test/index.spec.js b/src/picker/test/index.spec.js
index f3e2e09dc..61377f3f0 100644
--- a/src/picker/test/index.spec.js
+++ b/src/picker/test/index.spec.js
@@ -1,5 +1,6 @@
 import Picker from '..';
 import PickerColumn from '../PickerColumn';
+import { cascadeColumns } from '../demo/data';
 import { mount, triggerDrag, later } from '../../../test';
 
 const simpleColumn = ['1990', '1991', '1992', '1993', '1994', '1995'];
@@ -230,3 +231,34 @@ test('columns-top、columns-bottom prop', () => {
 
   expect(wrapper).toMatchSnapshot();
 });
+
+test('cascade columns', () => {
+  const wrapper = mount(Picker, {
+    propsData: {
+      showToolbar: true,
+      columns: cascadeColumns['en-US'],
+    },
+  });
+
+  wrapper.find('.van-picker__confirm').trigger('click');
+  expect(wrapper.emitted('confirm')[0][0]).toEqual([
+    'Zhejiang',
+    'Hangzhou',
+    'Xihu',
+  ]);
+
+  triggerDrag(wrapper.find('.van-picker-column'), 0, -100);
+  wrapper.find('.van-picker-column ul').trigger('transitionend');
+  expect(wrapper.emitted('change')[0][1]).toEqual([
+    'Fujian',
+    'Fuzhou',
+    'Gulou',
+  ]);
+
+  wrapper.find('.van-picker__confirm').trigger('click');
+  expect(wrapper.emitted('confirm')[1][0]).toEqual([
+    'Fujian',
+    'Fuzhou',
+    'Gulou',
+  ]);
+});