Add button snapshot

jest.config.js

@@ -6,4 +6,5 @@ module.exports = {
     '^.+\\.vue$': 'vue-jest',
   },
   testMatch: ['**/*.spec.js'],
+  snapshotSerializers: ['<rootDir>/node_modules/jest-serializer-vue'],
 }

src/components/primitives/Button/Button.spec.js

@@ -1,14 +1,18 @@
 import { render } from '@testing-library/vue'
 import Button from './Button.vue'
 
+let wrapper
+
 describe('Button.vue', () => {
-  it('renders props.label and type when passed', () => {
-    const type = 'primary'
-    const { getByText, container } = render(Button, {
-      props: { label: type, type: `is-${type}` },
-    })
-
-    getByText(type)
-    expect(container.firstChild.classList.contains(`is-${type}`)).toBe(true)
+  beforeEach(() => {
+    wrapper = render(Button)
+  })
+
+  it('is called', () => {
+    wrapper.getByRole('button')
+  })
+
+  it('render correctly', () => {
+    expect(wrapper.html()).toMatchSnapshot()
   })
 })

src/components/primitives/Button/Button.vue

@@ -6,7 +6,7 @@ export default {
   props: {
     type: {
       type: String,
-      default: 'button'
+      default: 'is-primary'
     },
     size: String,
     label: String,

src/components/primitives/Button/__snapshots__/Button.spec.js.snap

@@ -0,0 +1,7 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Button.vue render correctly 1`] = `
+<button class="button is-primary" type="button">
+  <!--v-if-->
+</button>
+`;