Merge branch 'rinu-feature/set-value-in-dom' into v1.x

* rinu-feature/set-value-in-dom:
  Simplify test
  added setting value via hidden input

Author: mariomka

src/Datetime.vue

@@ -10,7 +10,7 @@
            v-on="$listeners"
            @click="open"
            @focus="open">
-    <input v-if="hiddenName" type="hidden" :name="hiddenName" :value="value">
+    <input v-if="hiddenName" type="hidden" :name="hiddenName" :value="value" @input="setValue">
     <slot name="after"></slot>
     <transition-group name="vdatetime-fade" tag="div">
       <div key="overlay" v-if="isOpen" class="vdatetime-overlay" @click.self="cancel"></div>
@@ -209,6 +209,10 @@ export default {
       }
 
       return datetime.set({ minute: roundedMinute })
+    },
+    setValue (event) {
+      this.datetime = datetimeFromISO(event.target.value)
+      this.emitInput()
     }
   }
 }

test/specs/Datetime.spec.js

@@ -878,5 +878,30 @@ describe('Datetime.vue', function () {
         })
       })
     })
+
+    it('should update datetime when hidden input changes', function (done) {
+      const vm = createVM(this,
+        `<Datetime v-model="datetime" hidden-name="dt"></Datetime>`,
+        {
+          components: { Datetime },
+          data () {
+            return {
+              datetime: '2020-05-07T00:00:00.000Z'
+            }
+          }
+        })
+
+      const newDate = '2020-06-08T00:00:00.000Z'
+      const hiddenInput = vm.$('.vdatetime input[name=dt]')
+
+      hiddenInput.value = newDate
+      hiddenInput.dispatchEvent(new window.Event('input'))
+
+      vm.$nextTick(() => {
+        expect(vm.datetime).to.be.equal(newDate)
+        expect(hiddenInput.value).to.be.equal(newDate)
+        done()
+      })
+    })
   })
 })