Is it possible to run this on Azure Pipelines?

Test environment with Docker containers

Pre requirements

You need docker to be installed on your machine. Tested both on Windows and Linux.

Installation

Run this in your package manager console:

 Install-Package TestEnvironment.Docker

To add container specific functionality for MSSQL, Elasticsearch or MongoDB:

 Install-Package TestEnvironment.Docker.Containers.Elasticsearch
 Install-Package TestEnvironment.Docker.Containers.Mssql
 Install-Package TestEnvironment.Docker.Containers.Mongo
 Install-Package TestEnvironment.Docker.Containers.Mail
 Install-Package TestEnvironment.Docker.Containers.Ftp
 Install-Package TestEnvironment.Docker.Containers.MariaDB
 Install-Package TestEnvironment.Docker.Containers.Postgres
 Install-Package TestEnvironment.Docker.Containers.Kafka
 Install-Package TestEnvironment.Docker.Containers.Redis
 Install-Package TestEnvironment.Docker.Containers.RabbitMQ

Example

Latest version is heavily using C# 9 records feature. Please make sure you are targeting net5.0 and above.

// Create the environment using builder pattern.
await using var environment =  new DockerEnvironmentBuilder()
    .AddContainer(p => p with
    {
        Name = "my-nginx",
        ImageName = "nginx"
    })
    .AddElasticsearchContainer(p => p with
    {
        Name = "my-elastic"
    })
    .AddMssqlContainer(p => p with
    {
        Name = "my-mssql",
        SAPassword = "HelloK11tt_0"
    })
    .AddPostgresContainer(p => p with
    {
        Name = "my-postgres"
    })
    .AddFromDockerfile(p => p with
    {
        Name = "from-file",
        Dockerfile = "Dockerfile",
        ContainerWaiter = new HttpContainerWaiter("/", port: 8080)
    })
    .Build();

// Up it.
await environment.UpAsync();

// Play with containers.
var mssql = environment.GetContainer<MssqlContainer>("my-mssql");
var elastic = environment.GetContainer<ElasticsearchContainer>("my-elastic");
var postgres = environment.GetContainer<PostgresContainer>("my-postgres");

Docker Desktop subscription changes

As you may know, Docker announced subscription changes. So you can not use Docker Desktop for free anymore (except for personal purposes). Good news is that Docker for Linux is still free (including Docker Engine, Docker Daemon, Docker CLI, Docker Compose, BuildKit, libraries, etc). So we have several options:

Option 1 - Run tests on Linux/WSL2

You can setup WSL2 on your Windows machine, install .NET and Docker (also, full instruction for Docker setup could be found here). Then just navigate to your source code and simply run:

dotnet test

Option 2 - Expose Docker Daemon from WSL2 to Windows and proceed using Visual Studio

Ok, you still want to use Visual Studio to run and debug your tests. So this is still possible. First, you need to expose your Docker Daemon installed to WSL2. For this, go to /etc/docker/ and create/edit daemon.js file:

{
  "hosts": ["tcp://0.0.0.0:2375", "unix:///var/run/docker.sock"]
}

Then add UseWsl2() option to your tests:

await using var environment =  new DockerEnvironmentBuilder()
    .UseWsl2()
    .AddMssqlContainer(p => p with
    {
        Name = "my-mssql",
        SAPassword = "HelloK11tt_0"
    })

And that's it!

Official instruction regarding Docker remote access are here.

Podman support

As a container engine you can use Podman instead of docker. It works the same and even has the same api. To install podman on Windows and use it follow this instruction (Super easy).

Troubleshooting

In case of unpredictable behaviour try to remove the containers manually via command line:

docker rm -f (docker ps -a -q)

If you use AddFromDockerfile() then it is recommended to prune images time to time:

docker image prune -f

Ideally, use the --filter option on the docker image prune commandline task. Simply add LABEL "CI_BUILD=True" in your Dockerfile, and force delete all images with that LABEL:

docker image prune -f --filter "CI_BUILD=True"

Release Notes

Add WSL2 Support
Migrated to net5.0 framework. Please reference 1.x.x packages if you need netstandard2.0 support. This version will continue getting critical fixes in branch.

	var health = await elastic.ClusterHealthAsync(
	ch => ch
	.WaitForStatus(WaitForStatus.Yellow)
	.Level(Level.Cluster)
	.ErrorTrace(true), cancellationToken);

	var createParams = new CreateContainerParameters
	{
	Name = Name,
	Image = $"{ImageName}:{Tag}",
	AttachStdout = true,
	Env = environmentVariables,
	Hostname = Name,
	Domainname = Name,
	HostConfig = new HostConfig
	{
	PublishAllPorts = Ports == null
	}
	};

	await elastic.DeleteIndexTemplateAsync("*");
	await elastic.DeleteIndexAsync("*");

deffiss / testenvironment-docker Goto Github PK

testenvironment-docker's Introduction

Test environment with Docker containers

Pre requirements

Installation

Example

Docker Desktop subscription changes

Option 1 - Run tests on Linux/WSL2

Option 2 - Expose Docker Daemon from WSL2 to Windows and proceed using Visual Studio

Podman support

Troubleshooting

Release Notes

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