Tests stall when calling `context.config`

Bug Report

Current Behavior I’m trying to upgrade from Probot 7 to 9 but my jest tests stall when the app calls context.config, for example:

const config = await context.config('issue-branch.yml', {})

I have different tests that check if the app works with and without configs in the target repo. For example, to check if the app works without configuration I mock the network call like this:

nock('https://api.github.com')
    .get('/repos/robvanderleek/create-issue-branch/contents/.github/issue-branch.yml')
    .reply(404)

With Probot 7 this works fine but after upgrading to 9 the test stalls and I eventually receive a Jest timeout (Timeout - Async callback was not invoked within the 15000ms timeout specified by jest.setTimeout.)

Expected behavior/code

A call to await context.config('issue-branch.yml', {}) should result in a network call that I can mock.

Perhaps I’m misunderstanding how this work in version 9 so I’m not sure this is a bug or expected behaviour.

Environment

• Probot version(s): 9.6.3
• Node/npm version: 12.12.0
• OS: macOS

[igalarzab]

This is so weird… I can see in the recent-probot-and-nock-versions branch that the bug is not reproducible… but I still have the same problem using the exact same versions of probot, nock and jest 😕

Thanks for the repo!

[tianhaoz95]

Nvm I just figured out:

const rawContent = fs.readFileSync(path.join(__dirname, '/fixtures/basic-config.yml'))
const contentBuf = Buffer.from(rawContent)
const encodedContent = contentBuf.toString('base64')
nock('https://api.github.com')
  .get('/repos/tianhaoz95/.github/contents/.github/approveman.yml')
  .reply(200, {
    type: 'file',
    encoding: 'base64',
    size: encodedContent.length,
    name: 'approveman.yml',
    path: '.github/contents/.github/approveman.yml',
    content: encodedContent
  })