ci: skip databricks tests on fork PRs

Author: nealrichardson

.github/workflows/ci.yml

@@ -123,8 +123,8 @@ jobs:
           python -m pip install -e .[test]
       - name: Run tests
         run: |
-          # TODO: better way to disable all cloud backend tests?
-          pytest pins -m 'not fs_rsc and not fs_s3 and not fs_gcs and not fs_abfs and not skip_on_github'
+          # Skip all tests requiring credentials, which aren't available on fork PRs.
+          pytest pins -m 'not fs_rsc and not fs_s3 and not fs_gcs and not fs_abfs and not fs_dbc and not skip_on_github'
 
 
   build-docs:

pyproject.toml

@@ -87,6 +87,10 @@ universal = 1
 [tool.pytest.ini_options]
 markers = [
     "fs_file: mark test to only run on local filesystem",
+    # NOTE: if you add a new marker here for a backend that requires credentials, 
+    # be sure to exclude it from the test command in .github/workflows/ci.yml
+    # in the "test-fork" job, to avoid failing tests where GitHub Actions 
+    # secrets aren't available.
     "fs_s3: mark test to only run on AWS S3 bucket filesystem",
     "fs_gcs: mark test to only run on Google Cloud Storage bucket filesystem",
     "fs_abfs: mark test to only run on Azure Datalake filesystem",