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

src/pull-refresh/test/index.spec.js

@@ -0,0 +1,70 @@
+import PullRefresh from '..';
+import { mount, trigger, triggerDrag } from '../../../test/utils';
+
+test('change head content when pulling down', () => {
+  const wrapper = mount(PullRefresh, {
+    propsData: {
+      value: false
+    }
+  });
+
+  wrapper.vm.$on('input', value => {
+    wrapper.vm.value = value;
+  });
+
+  const track = wrapper.find('.van-pull-refresh__track');
+
+  // pulling
+  trigger(track, 'touchstart', 0, 0);
+  trigger(track, 'touchmove', 0, 20);
+  expect(wrapper).toMatchSnapshot();
+
+  // loosing
+  trigger(track, 'touchmove', 0, 100);
+  expect(wrapper).toMatchSnapshot();
+
+  // loading
+  trigger(track, 'touchend', 0, 100);
+  expect(wrapper).toMatchSnapshot();
+
+  // still loading
+  triggerDrag(track, 0, 100);
+  expect(wrapper).toMatchSnapshot();
+
+  expect(wrapper.emitted('input')).toBeTruthy();
+  expect(wrapper.emitted('refresh')).toBeTruthy();
+
+  // end loading
+  wrapper.vm.value = false;
+  expect(wrapper).toMatchSnapshot();
+});
+
+test('pull a short distance', () => {
+  const wrapper = mount(PullRefresh, {
+    propsData: {
+      value: false
+    }
+  });
+
+  const track = wrapper.find('.van-pull-refresh__track');
+  triggerDrag(track, 0, 10);
+  expect(wrapper.emitted('input')).toBeFalsy();
+});
+
+test('not in page top', () => {
+  const wrapper = mount(PullRefresh, {
+    propsData: {
+      value: false
+    }
+  });
+
+  window.scrollTop = 100;
+
+  const track = wrapper.find('.van-pull-refresh__track');
+  // ignore touch event when not at page top
+  triggerDrag(track, 0, 100);
+  window.scrollTop = 0;
+  trigger(track, 'touchmove', 0, 100);
+
+  expect(wrapper).toMatchSnapshot();
+});