Add tests for utils

test/utils.test.js

@@ -14,3 +14,76 @@ test('getContext', t => {
   t.is(ctx.req.a, 1)
   t.is(ctx.res.b, 2)
 })
+
+test('waitFor', function * (t) {
+  let s = Date.now()
+  yield utils.waitFor(100)
+  t.true(Date.now() - s >= 100)
+})
+
+test('urlJoin', t => {
+  t.is(utils.urlJoin('test', '/about'), 'test/about')
+})
+
+test('promisifyRouteParams (array)', t => {
+  const array = [1]
+  const promise = utils.promisifyRouteParams(array)
+  t.true(promise instanceof Promise)
+  return promise
+  .then((res) => {
+    t.is(res, array)
+  })
+})
+
+test('promisifyRouteParams (fn => array)', t => {
+  const array = [1, 2]
+  const fn = function () {
+    return array
+  }
+  const promise = utils.promisifyRouteParams(fn)
+  t.true(promise instanceof Promise)
+  return promise
+  .then((res) => {
+    t.is(res, array)
+  })
+})
+
+test('promisifyRouteParams (fn => promise)', t => {
+  const array = [1, 2, 3]
+  const fn = function () {
+    return new Promise((resolve) => {
+      resolve(array)
+    })
+  }
+  const promise = utils.promisifyRouteParams(fn)
+  t.true(promise instanceof Promise)
+  return promise
+  .then((res) => {
+    t.is(res, array)
+  })
+})
+
+test('promisifyRouteParams (fn(cb) with error)', t => {
+  const fn = function (cb) {
+    cb('Error here')
+  }
+  const promise = utils.promisifyRouteParams(fn)
+  t.true(promise instanceof Promise)
+  return promise
+  .catch((e) => {
+    t.is(e, 'Error here')
+  })
+})
+
+test('promisifyRouteParams (fn(cb) with result)', t => {
+  const array = [1, 2, 3, 4]
+  const fn = function (cb) {
+    cb(null, array)
+  }
+  const promise = utils.promisifyRouteParams(fn)
+  t.true(promise instanceof Promise)
+  return promise
+  .then((res) => {
+    t.is(res, array)
+  })
+})