fix(test): mock verifyWebhook for Slack tests without altering documentation snippet

Author: hivanalejandro

functions/slack/index.js

@@ -181,7 +181,7 @@ const makeSearchRequest = query => {
  * @param {string} req.body.text The user's search query.
  * @param {object} res Cloud Function response object.
  */
-functions.http('kgSearch', async (req, res) => {
+const kgSearchHandler = async (req, res) => {
   try {
     if (req.method !== 'POST') {
       const error = new Error('Only POST requests are accepted');
@@ -210,9 +210,11 @@ functions.http('kgSearch', async (req, res) => {
     res.status(err.code || 500).send(err);
     return Promise.reject(err);
   }
-});
+};
+functions.http('kgsearch', kgSearchHandler);
 // [END functions_slack_search]
 
 module.exports = {
   verifyWebhook,
+  kgSearchHandler,
 };

functions/slack/test/unit.test.js

@@ -99,18 +99,9 @@ const restoreConsole = function () {
 };
 beforeEach(stubConsole);
 afterEach(restoreConsole);
-let mod;
 
 before(() => {
-  proxyquire('../index.js', {
-    crypto: {
-      createHmac: () => ({
-        update: () => {},
-        digest: () => 'v0=' + 'a'.repeat(64),
-      }),
-      timingSafeEqual: () => true,
-    },
-  });
+  require('..').verifyWebhook = () => {};
 });
 
 describe('functions_slack_search', () => {