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End-to-End Tests

Spins up and tests Omni devnets in Docker Compose based on a testnet manifest. To run the CI testnet:

# In repo root
# Install the e2e app
go install github.com/omni-network/omni/e2e

# Build docker image of the code to test.
make build-docker

# Run one of the "manifests" in manifests/ directory: e2e -f <manifest>
e2e -f e2e/manifests/devnet0.toml

This creates and runs a testnet named single under e2e/runs/single/.

Conceptual Overview

Please refer to the cometBFT E2E test framework for more details.

In order to perform any action on a network (deploy/test/show logs), the following process is followed to create a network Definition:

  1. A network is initially declared in a manifest file, see manifests/ folder. It defines the desired network topology. See the e2e/types#Manifest type for details.
  2. Then the infrastructure provider (only docker compose supported at the moment) subsequently generates the e2e/types#InfrastructureData from the manifest. This defines the instance IPs and ports of everything we will deploy.
  3. Subsequently, we generate a Testnet struct which is basically contains all the configuration/keys/peers/images/files/folders required to deploy a network. See e2e/types#Testnet for details.
  4. We then instantiate a netman.Manager which is responsible for deploying portals. It takes a Testnet struct as input.
  5. Finally, we instantiate new InfrastructureProvider which can deploy the network. It takes a Testnet struct and InfrastructureData as input.

These objects are then wrapped in a e2e/app#Definition that can be used to perform any action on a network.

Test Stages

The e2e test has the following stages, which can also be executed explicitly by running e2e -f <manifest> <stage>:

  • setup: generates configuration files.

  • start: starts Docker containers.

  • wait: waits for a few blocks to be produced, and for all nodes to catch up to it.

  • stop: stops Docker containers.

  • cleanup: removes configuration files and Docker containers/networks.

Auxiliary commands:

  • logs: outputs all node logs.

  • tail: tails (follows) node logs until canceled.

Troubleshooting

MacBook E2E test fails to start docker container If you are experiencing an issue running the e2e tests and the error output looks like this:

Error response from daemon: no match for platform in manifest

This error is known to happen on a freshly installed MacBook, we are investigating the underlying issue, but meanwhile, there is a workaround:

  1. Clean all the build images docker system prune -a -f --volumes
  2. Set the platform env: export DOCKER_DEFAULT_PLATFORM=linux/amd64
  3. Rerun docker build: make build-docker
  4. Run tests again: make e2e-ci or any other tests using the e2e command.

Please let the team know if you experienced the above issue.