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testing_and_validation.md

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Testing and validation

Run the whole setup

  1. Build the package you'd like to verify (e.g. apache):

    $ cd apache
$ elastic-package build

  2. Start testing environment:

    Run from inside the Integrations repository.

    $ elastic-package stack up -d -v

    The command above will boot up the Elastic stack (Elasticsearch, Kibana, Package Registry) using Docker containers. It rebuilds the Package Registry Docker image using packages built in step 1. and boots up the Package Registry.

    To reload the already deployed Package Registry use the following command:

    $ elastic-package stack up -v -d --services package-registry

  3. Verify that your integration is available (in the right version), e.g. MySQL: http://localhost:8080/search?package=mysql (use experimental=true parameter if the package is in experimental version. Alternatively set release to beta or higher in your package's manifest.yml, if appropriate.)

    [
  {
    "description": "MySQL Integration",
    "download": "/epr/mysql/mysql-0.0.1.tar.gz",
    "icons": [
      {
        "src": "/package/mysql/0.0.1/img/logo_mysql.svg",
        "title": "logo mysql",
        "size": "32x32",
        "type": "image/svg+xml"
      }
    ],
    "name": "mysql",
    "path": "/package/mysql/0.0.1",
    "title": "MySQL",
    "type": "integration",
    "version": "0.0.1"
  }
]

The elastic-package stack provides an enrolled instance of the Elastic Agent. Use that one instead of a local application if you can run the service (you're integrating with) in the Docker network and you don't need to rebuild the Elastic-Agent or it's subprocesses (e.g. Filebeat or Metricbeat). The service Docker image can be used for system testing. If you prefer to use a local instance of the Elastic Agent, proceed with steps 4 an 5:

  1. (Optional) Download the Elastic-Agent from https://www.elastic.co/downloads/elastic-agent

  2. (Optional) Enroll the agent and start it:

    Use the "Enroll new agent" option in the Kibana UI (Ingest Manager -> Fleet -> Create user and enable Fleet) and run a similar command:

    $ ./elastic-agent enroll http://localhost:5601/rel cFhNVlZIRUIxYjhmbFhqNTBoS2o6OUhMWkF4SFJRZmFNZTh3QmtvR1cxZw==
$ ./elastic-agent run

    The elastic-agent will start two other processes - metricbeat and filebeat.

  3. Run the product you're integrating with (e.g. a docker image with MySQL).

  4. Install package.

    Click out the configuration in the Kibana UI, deploy it and wait for the agent to pick out the updated configuration.

  5. Navigate with Kibana UI to freshly installed dashboards, verify the metrics/logs flow.

Use test runners

elastic-package provides different types of test runners. Review howto guides to learn about the various methods for testing packages.

The test subcommand requires a reference to the live Elastic stack. Service endpoints can be defined via environment variables. If you're using the Elastic stack created with elastic-package, you can use export endpoints with elastic-package stack shellinit:

$ eval "$(elastic-package stack shellinit)"

To preview environment variables:

$ elastic-package stack shellinit
export ELASTIC_PACKAGE_ELASTICSEARCH_HOST=http://127.0.0.1:9200
export ELASTIC_PACKAGE_ELASTICSEARCH_USERNAME=elastic
export ELASTIC_PACKAGE_ELASTICSEARCH_PASSWORD=changeme
export ELASTIC_PACKAGE_KIBANA_HOST=http://127.0.0.1:5601

Review test coverage

The elastic-package tool can calculate test coverage for packages and export coverage reports in the Cobertura format. Coverage reports contain information about present/missing pipeline, system and static tests, so they help in identifying untested integrations.

The CI job runner collects coverage data and stores them together with build artifacts. The Cobertura plugin (Coverage Report tab) uses these data to visualize test coverage grouped by package, data stream and test type.

See test coverage report for the main branch: link

Cobertura format vs. package domain language

As the Cobertura report format refers to packages, classes, methods, etc., unfortunately it doesn't map easily onto the packages domain. We decided to make few assumptions for the Cobertura classification:

Package - integration

File - data stream

Class - test type (pipeline tests, system tests, etc.)

Method - "OK" if there are any tests present