Running Pester Tests from Module in Linux Containers with Powershell

Invoke-DockerPester.ps1

Function Invoke-DockerPester {
    param(
        $ContainerName = "DockerPester",
        $Image,
        $InputFolder,
        $PathOnContainer = "/var",
        $PathToTests 
    )

    if(!($PathToTests)){
        $PathToTests = "$(Join-Path $(join-path $PathOnContainer (split-path $InputFolder -Leaf)) "Tests")"
    }

    docker run -it -d -t --name $ContainerName $Image

    $CPString = "$($ContainerName):$($PathOnContainer)"

    docker cp $InputFolder $CPString
    
    docker exec $ContainerName pwsh -command "Install-Module Pester -Force"
    docker exec $ContainerName pwsh -command "ipmo pester"
    docker exec $ContainerName pwsh -command "cd $PathToTests"
    docker exec -it $ContainerName pwsh -command "Invoke-Pester $PathToTests"
    #docker exec -it $ContainerName pwsh -command "$res | convertto-json"
 
    docker rm --force $ContainerName

}

Invoke-DockerPester -Image "mcr.microsoft.com/powershell:7.0.0-rc.2-alpine-3.10" -InputFolder "/Users/kevin/code/PSHarmonize"