test: template string within the HTML template

add proposed config API for templateCompiler

Author: Jakub Freisler

e2e/__projects__/basic/components/TemplateString.vue

@@ -0,0 +1,21 @@
+<template>
+  <div
+    :data-sth="
+      gql`
+        query {
+          id
+        }
+      `
+    "
+  />
+</template>
+
+<script lang="ts">
+export default {
+  methods: {
+    gql([str]) {
+      return str
+    }
+  }
+}
+</script>

e2e/__projects__/basic/package.json

@@ -38,6 +38,13 @@
       "vue-jest": {
         "pug": {
           "basedir": "./"
+        },
+        "templateCompiler": {
+          "transpileOptions": {
+            "transforms": {
+              "dangerousTaggedTemplateString": true
+            }
+          }
         }
       }
     }

e2e/__projects__/basic/test.js

@@ -1,5 +1,6 @@
 import { mount } from '@vue/test-utils'
 import TypeScript from './components/TypeScript.vue'
+import TemplateString from './components/TemplateString.vue'
 import { resolve } from 'path'
 import { readFileSync } from 'fs'
 import jestVue from 'vue-jest'
@@ -81,6 +82,11 @@ test('processes .vue files with lang set to typescript', () => {
   expect(wrapper.element.tagName).toBe('DIV')
 })
 
+test('processes .vue files with template strings in the template', () => {
+  const wrapper = mount(TemplateString)
+  expect(wrapper.attributes('data-sth')).toBe('query { id }')
+})
+
 test('processes functional components', () => {
   const clickSpy = jest.fn()
   const wrapper = mount(FunctionalSFC, {