[improvement] rename packages dir to src (#3659)

src/password-input/test/__snapshots__/demo.spec.js.snap

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`renders demo correctly 1`] = `
+<div>
+  <div>
+    <div class="van-password-input">
+      <ul class="van-password-input__security van-hairline--surround">
+        <li class=""><i style="visibility: visible;"></i></li>
+        <li class="van-hairline--left"><i style="visibility: visible;"></i></li>
+        <li class="van-hairline--left"><i style="visibility: visible;"></i></li>
+        <li class="van-hairline--left"><i style="visibility: hidden;"></i></li>
+        <li class="van-hairline--left"><i style="visibility: hidden;"></i></li>
+        <li class="van-hairline--left"><i style="visibility: hidden;"></i></li>
+      </ul>
+      <div class="van-password-input__info">密码为 6 位数字</div>
+    </div>
+    <div class="van-number-keyboard van-number-keyboard--default" style="z-index: 100;" name="van-slide-up">
+      <div class="van-number-keyboard__body"><i role="button" tabindex="0" class="van-hairline van-key">1</i><i role="button" tabindex="0" class="van-hairline van-key">2</i><i role="button" tabindex="0" class="van-hairline van-key">3</i><i role="button" tabindex="0" class="van-hairline van-key">4</i><i role="button" tabindex="0" class="van-hairline van-key">5</i><i role="button" tabindex="0" class="van-hairline van-key">6</i><i role="button" tabindex="0" class="van-hairline van-key">7</i><i role="button" tabindex="0" class="van-hairline van-key">8</i><i role="button" tabindex="0" class="van-hairline van-key">9</i><i role="button" tabindex="0" class="van-hairline van-key van-key--gray"></i><i role="button" tabindex="0" class="van-hairline van-key">0</i><i role="button" tabindex="0" class="van-hairline van-key van-key--gray van-key--delete">删除</i></div>
+    </div>
+  </div>
+  <div>
+    <div class="van-password-input">
+      <ul class="van-password-input__security">
+        <li class=""><i style="visibility: visible;"></i></li>
+        <li class="" style="margin-left: 15px;"><i style="visibility: visible;"></i></li>
+        <li class="" style="margin-left: 15px;"><i style="visibility: visible;"></i></li>
+        <li class="" style="margin-left: 15px;"><i style="visibility: hidden;"></i></li>
+      </ul>
+    </div>
+  </div>
+  <div>
+    <div class="van-password-input">
+      <ul class="van-password-input__security van-hairline--surround">
+        <li class="">1</li>
+        <li class="van-hairline--left">2</li>
+        <li class="van-hairline--left">3</li>
+        <li class="van-hairline--left"></li>
+        <li class="van-hairline--left"></li>
+        <li class="van-hairline--left"></li>
+      </ul>
+    </div>
+  </div>
+</div>
+`;

src/password-input/test/demo.spec.js

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+import Demo from '../demo';
+import demoTest from '../../../test/demo-test';
+
+demoTest(Demo);

src/password-input/test/index.spec.js

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+import PasswordInput from '..';
+import { mount } from '../../../test/utils';
+
+test('focus event', () => {
+  const focus = jest.fn();
+  const wrapper = mount(PasswordInput, {
+    context: {
+      on: {
+        focus
+      }
+    }
+  });
+
+  wrapper.find('.van-password-input__security').trigger('touchstart');
+  expect(focus).toHaveBeenCalledTimes(1);
+});