Add users-exports endpoint

[arjenvanderende]

Changes

This PR implements the /api/v2/jobs/users-exports endpoint.

Instead of the approach in #319 this PR uses Auth0RestClient and RetryRestClient which results in a much shorter implementation (i.e. with retry if the rate limit is hit and the management API returns a HTTP 429 response).

References

Fixes #318

Testing

To test the changes in this PR:

• Checkout this branch

• Create file test.js in the root directory of this branch with the following contents:

  const src = require("./src");
  const auth0 = new src.ManagementClient({
    "domain": "<domain>",
    "clientId": "<clientId>",
    "clientSecret": "<clientSecret>",
    "scope": "read:users"
  });
  return auth0.exportUsers({ format: "csv", })
    .then(console.log)
    .catch(console.error);

  Make sure to fill out the domain, clientId and clientSecret.

• Run node test.js

• Verify that the console output shows a JSON response of a created export job.

• This change adds unit test coverage

• This change adds integration test coverage

Checklist

• I have read the Auth0 general contribution guidelines

• I have read the Auth0 Code of Conduct

• All existing and new tests complete without errors

[luisrudge]

Thanks for the PR! 🎉