test(PullRefresh): add test cases

src/pull-refresh/index.js

@@ -192,3 +192,5 @@ export default createComponent({
     );
   }
 });
+
+//

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

@@ -79,3 +79,21 @@ exports[`not in page top 1`] = `
   </div>
 </div>
 `;
+
+exports[`render success text 1`] = `
+<div class="van-pull-refresh">
+  <div class="van-pull-refresh__track" style="transition-duration: 300ms; transform: translate3d(0,50px, 0);">
+    <div class="van-pull-refresh__head">
+      <div class="van-pull-refresh__text">success</div>
+    </div>
+  </div>
+</div>
+`;
+
+exports[`render success text 2`] = `
+<div class="van-pull-refresh">
+  <div class="van-pull-refresh__track" style="transition-duration: 300ms;">
+    <div class="van-pull-refresh__head"></div>
+  </div>
+</div>
+`;

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

@@ -5,13 +5,14 @@ test('change head content when pulling down', async () => {
   const wrapper = mount(PullRefresh, {
     propsData: {
       value: false
+    },
+    listeners: {
+      input(value) {
+        wrapper.setProps({ value });
+      }
     }
   });
 
-  wrapper.vm.$on('input', value => {
-    wrapper.vm.value = value;
-  });
-
   const track = wrapper.find('.van-pull-refresh__track');
 
   // pulling
@@ -65,6 +66,7 @@ test('custom content by slots', async () => {
   expect(wrapper).toMatchSnapshot();
 
   // loosing
+  trigger(track, 'touchmove', 0, 75);
   trigger(track, 'touchmove', 0, 100);
   expect(wrapper).toMatchSnapshot();
 
@@ -102,3 +104,35 @@ test('not in page top', () => {
 
   expect(wrapper).toMatchSnapshot();
 });
+
+test('render success text', async () => {
+  const wrapper = mount(PullRefresh, {
+    propsData: {
+      successText: 'success',
+      successDuration: 0
+    },
+    listeners: {
+      input(value) {
+        wrapper.setProps({ value });
+      }
+    }
+  });
+
+  const track = wrapper.find('.van-pull-refresh__track');
+  trigger(track, 'touchstart', 0, 0);
+  trigger(track, 'touchmove', 0, 100);
+  trigger(track, 'touchend', 0, 100);
+
+  await later();
+
+  // loading
+  expect(wrapper.vm.value).toBeTruthy();
+  wrapper.setProps({ value: false });
+
+  // success
+  expect(wrapper).toMatchSnapshot();
+
+  // normal
+  await later();
+  expect(wrapper).toMatchSnapshot();
+});