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Setup

To setup the tests locally, you need either:

  • Docker

Or:

  • Go
  • kubebuilder

Downloading kubebuilder

To setup kubebuilder, fetch the latest release from Github and extract etcd and kube-apiserver into /usr/local/kubebuilder/bin/.

Docker only

If you don't want to install kubebuilder and other dependencies of KUDO locally, you can build KUDO and run the tests inside a Docker container.

To run tests inside a Docker container, you can just execute:

./test/run_tests.sh

Without Docker

Running unit tests

Unit tests are written for KUDO using the standard Go testing library. You can run the unit tests:

make test

Running integration tests

Or run all tests:

make integration-test

Declarative tests

Most tests written for KUDO use the declarative test harness with the controller-runtime's envtest (which starts etcd and kube-apiserver locally). This means that tests can be written for and run against KUDO without requiring a Kubernetes cluster (or even Docker).

The test suite is configured by kudo-test.yaml and the tests live in test/integration/. Prior to running the tests, all KUDO CRDs and manifests in test/manifests/ are installed into the test cluster.

The test harness also starts KUDO, so it is recommended to use go run to run the test suite as this will include the latest built changes from your KUDO checkout.

CLI examples

Run all integration tests:

go run ./cmd/kubectl-kudo test

Run a specific integration test (e.g., the patch test from test/integration/patch):

go run ./cmd/kubectl-kudo test --test patch

Run tests against a live cluster:

go run ./cmd/kubectl-kudo test --start-control-plane=false

Run tests against a live cluster and do not delete resources after running:

go run ./cmd/kubectl-kudo test --start-control-plane=false --skip-delete
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