unit test: d2-count-up

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tests/unit/d2-count-up.spec.js

@@ -13,4 +13,60 @@ describe('d2-count-up.vue', () => {
     expect(wrapper.exists()).toBeTruthy()
     expect(wrapper.isVueInstance()).toBeTruthy()
   })
+
+  // props
+  it('has props', () => {
+    const wrapper = mount(D2CountUp, {
+      propsData: {
+        start: 0,
+        end: 100,
+        decimals: 0,
+        duration: 2,
+        options: {}
+      }
+    })
+
+    expect(wrapper.props().start).toEqual(0)
+    expect(wrapper.props().end).toEqual(100)
+    expect(wrapper.props().decimals).toEqual(0)
+    expect(wrapper.props().duration).toEqual(2)
+    expect(wrapper.props().options).toEqual({})
+  })
+
+  // 开始数字，1秒后结束数字
+  it('start number is 1, 1s later, end number is 99', (done) => {
+    const wrapper = mount(D2CountUp, {
+      propsData: {
+        start: 1,
+        end: 99,
+        duration: 1
+      }
+    })
+
+    expect(wrapper.text()).toBe('1')
+
+    setTimeout(() => {
+      expect(wrapper.text()).toBe('99')
+      done()
+    }, 1100)
+  })
+
+  // 小数位数
+  it('start number is 1.00, 1s later, end number is 99.00', (done) => {
+    const wrapper = mount(D2CountUp, {
+      propsData: {
+        start: 1,
+        end: 99,
+        decimals: 2,
+        duration: 1
+      }
+    })
+
+    expect(wrapper.text()).toBe('1.00')
+
+    setTimeout(() => {
+      expect(wrapper.text()).toBe('99.00')
+      done()
+    }, 1100)
+  })
 })