feat: Add setValue method

packages/test-utils/src/wrapper.js

@@ -531,6 +531,14 @@ export default class Wrapper implements BaseWrapper {
     this.vnode = this.vm._vnode
   }
 
+  /**
+   * Sets input value
+   */
+  setValue (value: string) {
+    this.element.value = value // input element value is changed, v-model is not
+    this.trigger('input')
+  }
+
   /**
    * Return text of wrapper element
    */

test/resources/components/component-with-input.vue

@@ -0,0 +1,16 @@
+<template>
+  <div>
+    <input type="text" v-model="inputValue">
+  </div>
+</template>
+
+<script>
+  export default{
+    name: 'component-with-input',
+    data() {
+      return {
+        inputValue: undefined
+      }
+    }
+  }
+</script>

test/specs/wrapper/setValue.spec.js

@@ -0,0 +1,23 @@
+import ComponentWithInput from '~resources/components/component-with-input.vue'
+import { describeWithShallowAndMount } from '~resources/utils'
+
+describeWithShallowAndMount('setValue', (mountingMethod) => {
+  it('sets element value', () => {
+    const wrapper = mountingMethod(ComponentWithInput)
+    const input = wrapper.find('input')
+    input.setValue('foo')
+
+    expect(input.element.value).to.equal('foo')
+  })
+
+  it('calls trigger with input', () => {
+    const wrapper = mountingMethod(ComponentWithInput)
+    const input = wrapper.find('input')
+    sinon.spy(input, 'trigger')
+
+    input.setValue('foo')
+
+    expect(input.trigger.called).to.equal(true)
+    expect(input.trigger.calledWith('input')).to.equal(true)
+  })
+})