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Postgres Operator end-to-end tests

End-to-end tests shall ensure that the Postgres Operator does its job when applying manifests against a Kubernetes (K8s) environment. A test runner Dockerfile is provided to run e2e tests without the need to install K8s and its runtime kubectl in advance. The test runner uses kind to create a local K8s cluster which runs on Docker.

Prerequisites

Docker Go

Build test runner

In the directory of the cloned Postgres Operator repository change to the e2e folder and run:

make

This will build the postgres-operator-e2e-tests image and download the kind runtime.

Run tests

In the e2e folder you can invoke tests either with make test or with:

./run.sh

To run both the build and test step you can invoke make e2e from the parent directory.

Covered use cases

The current tests are all bundled in test_e2e.py:

  • support for multiple namespaces
  • scale Postgres cluster up and down
  • taint-based eviction of Postgres pods
  • invoking logical backup cron job
  • uniqueness of master pod
  • custom service annotations