test: add test for thread mode

Author: yyx990803

.gitignore

@@ -7,3 +7,4 @@ docs/_book
 *.iml
 *.log
 RELEASE.md
+.options-cache-*

lib/utils/options-cache.js

@@ -73,5 +73,5 @@ function serialize (options) {
 }
 
 function getidToOptionsPath (id) {
-  return path.resolve(__dirname, `.options-idToOptions-${id}`)
+  return path.resolve(__dirname, `.options-cache-${id}`)
 }

test/test.js

@@ -1104,4 +1104,28 @@ describe('vue-loader', () => {
       done()
     })
   })
+
+  it('thread mode', done => {
+    test({
+      entry: 'basic.vue',
+      vue: {
+        threadMode: true
+      }
+    }, (window, module, rawModule) => {
+      const vnode = mockRender(module, {
+        msg: 'hi'
+      })
+
+      // <h2 class="red">{{msg}}</h2>
+      expect(vnode.tag).to.equal('h2')
+      expect(vnode.data.staticClass).to.equal('red')
+      expect(vnode.children[0].text).to.equal('hi')
+
+      expect(module.data().msg).to.contain('Hello from Component A!')
+      let style = window.document.querySelector('style').textContent
+      style = normalizeNewline(style)
+      expect(style).to.contain('comp-a h2 {\n  color: #f00;\n}')
+      done()
+    })
+  })
 })