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Running Application Set E2E tests

The E2E tests will run automatically on each PR/commit as part of a GitHub action. You may also run these tests locally to verify the functionality, as described below.

Argo CD Prerequisites

If/when ApplicationSet functionality is integrated with Argo CD, this will become significantly easier to setup, but in the mean time you must setup a standalone Argo CD dev environment and start Argo CD configured for E2E tests.

A) Setup Argo CD dev environment

B) Ensure that port 8081 is exposed in the Argo CD test server container:

  • In the Makefile file at the root of the Argo CD repo:
    • Add the following to this location in the Makefile
    • Replace: -p 4000:4000 \
    • With: -p 4000:4000 -p 8081:8081 \
    • This exposes port 8081, which is required for ApplicationSets functionality

Steps

A) Ensure that Argo CD is running and configured for E2E test:

  • Run make start-e2e under Argo CD dev environment
  • Wait for the Argo CD processes to start within the container
  • This process should remaining running through the tests
  • Verify that:
    • make test-e2e should have set your active namespace so that it is now the argocd-e2e namespace (kubectl config view --minify | grep namespace:)
    • You have exposed port 8081 in the Makefile (as described in prerequisites). docker ps should show port 8081 as mapped to an accessible IP.

B) Apply the ApplicationSet CRDs, and build the controller:

kubectl apply -f manifests/crds/argoproj.io_applicationsets.yaml
make build

C) Run the application set controller configured for E2E tests:

  • make start-e2e
  • This process should remain running while the Application Set E2E tests run.

D) Run the tests:

  • make test-e2e