neon/test_runner/cloud_regress

How to run the pg_regress tests on a cloud Neon instance.

• Create a Neon project on staging.
• Grant the superuser privileges to the DB user.
• (Optional) create a branch for testing
• Add the following settings to the pg_settings section of the default endpoint configuration for the project using the admin interface:
  • Timeone: America/Los_Angeles
  • DateStyle: Postgres,MDY
  • compute_query_id: off
• Add the following section to the project configuration:

"preload_libraries": {
    "use_defaults": false,
    "enabled_libraries": []
  }

• Checkout the actual Neon sources
• Patch the sql and expected files for the specific PostgreSQL version, e.g. for v17:

$ cd vendor/postgres-v17
$ patch -p1 <../../compute/patches/cloud_regress_pg17.patch

• Set the environment variables (please modify according your configuration):

$ export DEFAULT_PG_VERSION=17
$ export BUILD_TYPE=release

• Build the Neon binaries see README.md
• Set the environment variable BENCHMARK_CONNSTR to the connection URI of your project.
• Update poetry, run

$ scripts/pysync

• Run

$ scripts/pytest -m remote_cluster -k cloud_regress