added a test for promised data

test/promise-data.spec.js

@@ -0,0 +1,35 @@
+'use strict'
+
+/**
+ * adonis-bumblebee
+ *
+ * (c) Ralph Huwiler <ralph@huwiler.rocks>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+*/
+
+const test = require('japa')
+const { ioc } = require('@adonisjs/fold')
+
+const setup = require('./setup')
+
+test.group('Promise Data', (group) => {
+  group.before(async () => {
+    await setup()
+  })
+
+  test('data can be a promis and will resolve before transforming', async (assert) => {
+    const Context = ioc.use('Adonis/Src/HttpContext')
+    const {transform} = new Context()
+
+    let data = new Promise((resolve, reject) => {
+      setTimeout(resolve, 1, {item_id: 3})
+    })
+
+    let transformed = await transform
+    .item(data, model => ({id: model.item_id}))
+
+    assert.equal(transformed.id, 3)
+  })
+})