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Build Status Gem Version

Kitchen::Pester

Execute Pester tests, cross platform, right from Test-Kitchen, without having to transit the Busser layer.

For now, this gem hasn't been tested with Pester v5+.

Usage

Either

gem install kitchen-pester

or include

gem 'kitchen-pester'

in your Gemfile.

In your .kitchen.yml include

verifier:
  name: pester

This can be a top-level declaration, a per-node declaration, or a per-suite declaration.

Options

  • restart_winrm - boolean, default is false. (Windows only)
    Restarts the winrm service using a scheduled tasks before proceding.
    This setting is ignored on non-windows OSes.

  • test_folder - string, default is ./tests/integration/.
    Allows you to specify a custom path (the default is ./test/[integration/]) for your integration tests.
    This can be an absolute path or relative to the root of the folder kitchen is running from on the host machine. This path must exist.
    When you specify a folder, it will automatically try to append /integration to that path.
    If it exists, it will use this as the root tests directory.
    If it doesn't, it will use the test_folder.
    If you have a helpers folders under test_folder (i.e. ./tests/helpers), those will be copied to the SUT for every test suite.

  • remove_builtin_powershellget - bool, default is true (v.1.0.0.1)
    Remove the built-in PowerShellGet and PackageManagement modules on Windows (v1.0.0.1), as they will often cause problems and will be superseded by the bootstrapped versions by default.

  • remove_builtin_pester - bool, default is true (v3.4.0)
    Remove the Pester module that is built-in on Windows (v3.4.0), because upgrading to a later version is awkward if this is not first removed (requires both -SkipPublisherCheck & -Force, which makes it slow every time you kitchen verify).
    Removing the built-in ensures that the only version in use will be the Pester version specified by the configuration.

  • bootstrap - map, default is {} (PowershellGet & Package Management)
    Allows kitchen-pester to download the PowerShellGet and PackageManagement module directly from the Nuget API URL.
    Note that it needs to be able to download the nupkg from $galleryUrl/package/PowerShellGet, which may not be available with some private feed implementations.

  • register_repository - array (of maps), default is []
    Allows you to register PSRepositories to download modules from. Useful when you want to use a private feed.
    This expects a map for each repository to register, the values will be splatted to Register-PSRepository (or Set-PSRepository if it already exists).

      register_repository:
        - Name: MyPrivateNuget
          SourceLocation: https://mypsrepo.local/api/v2
          InstallationPolicy: trusted
          PackageManagementProvider: Nuget
  • install_modules - array (of maps), default is []
    Array of maps, that will be splatted to the Install-Module parameters. Useful for installing dependencies from a gallery.

      install_modules:
        - Name: MyModule
          Repository: MyPrivateRepo
          SkipPublisherCheck: true
  • copy_folders - array, default is []
    Folders (relative to the current directory or absolute) to copy to the System Under Test (SUT).
    The SUT's $env:PSModulePath will have the parent folder prepended for the session.
    If you are testing a PowerShell module you have built as part of your build process, this enables you to copy the module folder directly to the target machine.

    verifier:
      name: pester
      copy_folders:
        - output/MyModule
      pester_install:
        MaximumVersion: '4.99.999'
  • skip_pester_install - bool default is false
    Skip installing pester and just use what's available on the box, or what you have copied with the copy_folders options.

  • pester_install - map, default is

    {
      SkipPublisherCheck: true,
      Force: true,
      ErrorAction: "Stop",
    }

Specify parameters for installing Pester before running the tests. The map will be splatted to the Install-Module -Name Pester command. You can use this to install the module from a private gallery, for instance.

  • pester_configuration - hash, defaults to

    {
      run: {
        path: "suites/",
        PassThru: true,
      },
      TestResult: {
        Enabled: true,
        OutputPath: "PesterTestResults.xml",
        TestSuiteName: "",
      },
      Output: {
        Verbosity: "Detailed",
      }
    }

    This object is converted to a hashtable used to create a PesterConfiguration object in Pester v5 ($PesterConfig = New-PesterConfiguration -Hashtable $pester_configuration), in turn used with invoke pester (Invoke-Pester -Configuration $PesterConfig).
    If some of the following keys are missing, the associated defaults below will be used:

    • Run.Path = $Env:Temp/verifier/suites
    • TestResult.TestSuiteName = Pester - $KitchenInstanceName
    • TestResult.OutputPath = $Env:Temp/verifier/PesterTestResults.xml

    If the installed version of Pester is v4, and the pester_configuration hash is provided, valid parameters for Invoke-Pester will be used (and invalid parameter names will be ignored).
    In the case of Pester v4, and the pester_configuration hash does not provide the keys for Script,OutputFile,OutputFormat, Passthru, PesterOption, the defaults will be:

    • Script: $Env:Temp/verifier/suites
    • OutPutFile: $Env:Temp/verifier/PesterTestResults.xml
    • OutputFormat: NUnitXml
    • Passthru: true
    • PesterOption: the result of $(New-PesterOption -TestSuiteName "Pester - $KitchenInstanceName)
  • shell - string, default is Nil which makes it call PowerShell on Windows (Windows PowerShell), pwsh on other OSes. It will honour the sudo configuration property if set to true on non-windows.

  • sudo - bool, default is false. (non-windows only) Execute all PowerShell calls as sudo. This is necessary in certain cases, such as when pwsh is installed via snap and is only available via sudo unless you customise the system's configuration.

  • downloads- map[string, string], defaults to {"./PesterTestResults.xml" => "./testresults}". Files to download from SUT to local system, used to download the pester results localy. The key is the remote file (relative to verifier folder or absolute), the value is the directory (ends with / or \) it should be saved to (relative to pwd or absolute).

    downloads:
        PesterTestResults.xml: "./output/testResults/"
        kitchen_cmd.ps1: "./output/testResults/"

Examples

Default Windows 2019 Install

If you're testing on a default image of Windows Server 2019, you probably need to replace the builtin Pester module (v3.4.0), and replace the builtin PackageManagement and PowerShellGet to a more recent for the install to work.

Assuming your tests are written for Peter v4, here's a sample configuration:

verifier:
  name: pester
  pester_install:
    MaximumVersion: '4.99.999'
  bootstrap: # installs modules from nuget feed by download and unzip.
    repository_url: "https://www.powershellgallery.com/api/v2"
    modules:
      - PackageManagement
      - PowerShellGet

Default Azure Ubuntu 18.04 Install

Assuming you are using the AzureRM driver and a Ubuntu image, you may need to install pwsh before being able to execute any PowerShell code.
One way to achieve this is by using Test-Kitchen's lifecycle hooks to install it using the snap package management.

Then if your tests are written for Pester v4.x, make sure you specify a maximum version in the install.
As pwsh comes with a recent version of PowerShellGet, it is not necessary to bootstrap the PowerShell environment. The Install-Module command should work out of the box.

driver:
  name: azurerm
  subscription_id: <%= ENV['AZ_SUBSCRIPTION_ID'] %> # use a custom env variable
  location: 'westus2'
  machine_size: 'Standard_D2s_v3'

provisioner:
  name: shell # defaults to bash on linux, so the shebang is important!
  script: 'tests/integration/provisioning.ps1'

verifier:
  name: pester
  pester_install:
    MaximumVersion: '4.99.999'

platforms:
  - name: ubuntu-18.04
    driver:
      image_urn: Canonical:UbuntuServer:18.04-LTS:latest
    lifecycle:
      post_create:
      - remote: sudo snap install powershell --classic

suites:
  - name: default

Windows 2012 R2 default install

If your image is a windows 2012 R2, you will be running on PowerShell v4. Assuming that's what you want, but you still need Pester v4 instead of the built-in 3.4.0, you will need to remove the built-in version, bootsrap the PowerShellGet version to a more recent one, and finally install Pester to your desired version.

verifier:
  name: pester
  pester_install:
    MaximumVersion: '4.99.999'
  bootstrap:
    repository_url: "https://www.powershellgallery.com/api/v2"
    modules:
      - PackageManagement
      - PowerShellGet

Contributing

  1. Fork it ( https://github.com/[my-github-username]/kitchen-pester/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request

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Test Kitchen driver to execute Pester tests as a verifier

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