test(createrest-koa): Test createKoaRouter

Author: sergeysova

packages/createrest-koa/lib/index.js

@@ -4,7 +4,7 @@ import { flattenRoutes, isCreateRestInstance } from 'createrest'
 
 export function createKoaRouter(routing) {
   if (!isCreateRestInstance(routing)) {
-    throw new Error('You can create koa middleware only from createRest routes')
+    throw new TypeError('You can create koa middleware only from createRest routes')
   }
 
   const router = new Router()

packages/createrest-koa/test/index.test.js

@@ -70,6 +70,16 @@ test('deep path in simple handlers throws', async (t) => {
   })
 })
 
+test('throws when passed not routes', async (t) => {
+  t.throws(() => {
+    createKoaRouter(() => {})
+  }, TypeError)
+
+  t.throws(() => {
+    createKoaRouter({})
+  }, TypeError)
+})
+
 
 test('deep scopes works', async (t) => {
   t.plan(5)