options filters tests

test/unit/features/options/filters.spec.js

@@ -0,0 +1,30 @@
+import Vue from 'vue'
+
+describe('Options filters', () => {
+  it('basic usage', () => {
+    const vm = new Vue({
+      template: '<div>{{ msg | upper }}</div>',
+      data: {
+        msg: 'hi'
+      },
+      filters: {
+        upper: v => v.toUpperCase()
+      }
+    }).$mount()
+    expect(vm.$el.textContent).toBe('HI')
+  })
+
+  it('chained usage', () => {
+    const vm = new Vue({
+      template: '<div>{{ msg | upper | reverse }}</div>',
+      data: {
+        msg: 'hi'
+      },
+      filters: {
+        upper: v => v.toUpperCase(),
+        reverse: v => v.split('').reverse().join('')
+      }
+    }).$mount()
+    expect(vm.$el.textContent).toBe('IH')
+  })
+})