Fixed tests, Fixed promisify for pug.renderFile

Author: niftylettuce

src/index.js

@@ -16,14 +16,7 @@ const transport = nodemailer.createTransport({
 
 const templateFilePath = path.join(__dirname, '..', 'template.pug');
 
-const renderFilePromise = (view, locals) => {
-  return new Promise((resolve, reject) => {
-    pug.renderFile(view, locals, (err, html) => {
-      if (err) return reject(err);
-      resolve(html);
-    });
-  });
-};
+const renderFilePromise = Promise.promisify(pug.renderFile);
 
 const previewEmail = async (message, id, open = true) => {
   if (typeof message !== 'object')

test/test.js

@@ -37,7 +37,7 @@ test('opens a preview email', async t => {
 });
 
 test('does not open', async t => {
-  const url = await previewEmail({});
+  const url = await previewEmail({}, null, false);
   t.true(typeof url === 'string');
 });
 
@@ -48,7 +48,7 @@ test('invalid message', async t => {
 
 test('custom id', async t => {
   const id = new Date().getTime().toString();
-  const url = await previewEmail({}, id);
+  const url = await previewEmail({}, id, false);
   t.is(path.basename(url).replace('.html', ''), id);
 });