JenkinsRule and docker

[Ullrich Hafner]

I’m currently trying to write some integration tests with Jenkins test harness (i.e. JenkinsRule) that were previously part of ATH. For some of the ATH concepts I did not yet find a counterpart in our integration tests.

Is someone already writing integration tests that use agents that are provided by a docker container and has an example to share?

Since my plugins interact with Git I want to create a Git Repository in the test setup with fake data. Do we have a kind of API to fill a Git repository (like GitRepo in ATH)?

[Joseph P]

We have some integrations tests for Vault, I would imagine it could be very similar to a git docker container.

https://github.com/jenkinsci/configuration-as-code-plugin/tree/master/plugin/src/test/java/io/jenkins/plugins/casc/vault

[Mark Waite]

If you already depend on the git plugin, you could consider using TestGtiRepo from the git plugin tests as somewhat of a convenience class for a git repository.  If you already depend on the git client plugin, you could consider using CliGitCommand as a convenience method to perform calls to command line git.

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Thanks!

Mark Waite

[Jesse Glick]

On Thu, Apr 25, 2019 at 7:06 PM Ullrich Hafner <ullrich...@gmail.com> wrote:
> Is someone already writing integration tests that use agents that are provided by a docker container and has an example to share?

Various plugins use the `docker-fixtures` library for this. For
example, with `DockerClassRule<JavaContainer>` it is straightforward
to start a simple SSH agent in a container. Of course you can create a
subclass with specialized tools installed in the image. This is the
same library ATH uses, by the way.

> Since my plugins interact with Git I want to create a Git Repository in the test setup with fake data. Do we have a kind of API to fill a Git repository (like GitRepo in ATH)?

`GitSampleRepoRule` is available with a dep on the `tests` classifier
of the `git` plugin. This is used widely in Pipeline-related plugins.

It does not look like either this nor `TestGitRepo` are currently set
up to handle remote repositories (in a Docker container) like
`GitRepo.transferToDockerContainer` does, so that would be an obstacle
if you had a single test which needed to run an agent in a container
_and_ have that agent access a sample Git repository.