Error on firebase appdistribution:testers:list

[kuba-motulewicz-sg]

[REQUIRED] Environment info

firebase-tools: 13.30.0

Platform: Ubuntu. macOS

[REQUIRED] Test case

The problem appears only when there is a tester added to a Firebase project that is not assigned to any test group.
Run the following commands in the terminal:

[REQUIRED] Steps to reproduce

export GOOGLE_APPLICATION_CREDENTIALS="service_account.json"
firebase appdistribution:testers:list --project "$PROJECT_ID"

[REQUIRED] Expected behavior

Testers are listed

[REQUIRED] Actual behavior

There is an error:

✔ Preparing the list of your App Distribution testers

Error: An unexpected error has occurred.

Having trouble? Try again or contact support with contents of firebase-debug.log

In logs:

[debug] [2025-02-10T11:06:52.834Z] TypeError: Cannot read properties of undefined (reading 'map')
    at printTestersTable (/Users/praca/.cache/firebase/tools/lib/node_modules/firebase-tools/lib/commands/appdistribution-testers-list.js:48:14)
    at Command.actionFn (/Users/praca/.cache/firebase/tools/lib/node_modules/firebase-tools/lib/commands/appdistribution-testers-list.js:34:5)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
[error] 
[error] Error: An unexpected error has occurred.

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[aalej]

Thanks for reporting this, @kuba-motulewicz-sg! I’m able to reproduce the error. As you mentioned, this happens when a tester is not in any group. I’ll raise this to our engineering team.