Functions Emulator does not load enviroment variables/parameters from .env.local

[sceee]

[REQUIRED] Environment info

firebase-tools: 11.17.0

Platform: Windows

[REQUIRED] Test case

Relates to #5313

• Have an empty .env file:

• Have a .env.my-project-id file:

# Keep this empty so that the emulator at startup asks for the value as defining IS_STAGING=true here would prevent the emulator from starting because of the issue described at the bottom of https://github.com/firebase/firebase-tools/issues/5313

• Have a .env.my-staging-project-id file:

IS_STAGING=true

• Have .env.local file:

FUNCTIONS_EMULATOR=true

Have a function in that references this parameter's value from .env.local:

...
if (defineBoolean('FUNCTIONS_EMULATOR').value() === true) {
...
}
...

Have some test that calls a Cloud Function.

[REQUIRED] Steps to reproduce

1. Execute the test run with firebase emulators:exec --import=./testdata/emulatordata \"npm test\"

-> The test just "silently" fails as it executes the wrong code as it seems the FUNCTIONS_EMULATOR parameter is not set correctly (based on the .env.local file) but there is no warning/output that it could not be loaded.

2. Just "start" the Firebase emulator using firebase emulators:start --import=./testdata/emulatordata --project default
   -> It emits that it did not load the .env.local file:

? Enter a boolean value for IS_STAGING: false
i  functions: Loaded environment variables from .env, .env.my-project-id.
i  functions: Loaded environment variables from .env, .env.my-project-id.
i  functions: Writing new parameter values to disk: .env.my-project-id

[REQUIRED] Expected behavior

• It loads the .env.local file when using the emulator.
• If it could not find a used environment variable, the warning for the missing variable is also emitted when executing the tests using firebase emulators:exec and not just when using firebase emulators:start.

[REQUIRED] Actual behavior

• It does not load the .env.local file when using the emulator.
• The warning of the "missing" environment variable is not emitted when executing the tests using firebase emulators:exec.

[sceee]

This also seems to apply for a .secret.local file - it also does not seem to be loaded when using the emulator.
According to firebase-debug.log, it seems that even a secret that is defined in the .secret.local file is loaded from Google Cloud Secret Manager as there are log entries like

[debug] [2022-12-08T10:22:58.610Z] <<< [apiv2][status] GET https://secretmanager.googleapis.com/v1/projects/py-project-id/secrets/MY_SECRET 200

[aalej]

Hi @sceee, thanks for the information you provided. It seems like this ticket and #5313 is similar to the issue reported in #5219. With this, I’ll be closing this issue. If you have any other information you would like to add, please add them to #5219.