compatible(pytest_plugins/github_secrets): Skip tests when secrets un…

…available (#91)

By default, PRs from forks do not have access to GitHub secrets on the
base repository.

Skip tests that require GitHub secrets when running on a PR from a fork

python/pytest_plugins/github_secrets/github_secrets/plugin.py

@@ -1,8 +1,11 @@
 import ast
+import logging
 import os
 
 import pytest
 
+logger = logging.getLogger(__name__)
+
 
 @pytest.fixture(scope="session")
 def github_secrets() -> dict[str, str]:
@@ -25,4 +28,9 @@ def github_secrets() -> dict[str, str]:
             raise Exception(
                 "Invalid format for `SECRETS_FROM_GITHUB`—must be a Python dict[str, str]"
             )
+    if set(secrets.values()) == {""}:
+        logger.warning(
+            "No GitHub secrets available: skipping tests that require GitHub secrets"
+        )
+        pytest.skip("Running on fork: no access to GitHub secrets")
     return secrets