PSCI

1.1.0

Public/deploy/Helpers/DscHelpers/Install-DscResources.Tests.ps1

<#
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#>

Import-Module -Name "$PSScriptRoot\..\..\..\..\PSCI.psd1" -Force

Describe -Tag "PSCI.unit" "Install-DscResources" {

    InModuleScope PSCI {

        $Global:loggedMessage = ''
        $moduleNames = @('cIIS', 'StackExchangeResources', 'xWebAdministration')

        $Global:writeLogMock = {
            $Global:loggedMessage += $Message
            Write-Host $Message
            if ($Critical) {
                throw $Message
            }
        } 

        Mock Write-Log $Global:writeLogMock

        InModuleScope PSCI {
           Mock Write-Log $Global:writeLogMock
        }

        Context "when ModuleNames is empty" {

            $Global:loggedMessage = ''
            Install-DscResources

            It "should not do anything" {
                $Global:loggedMessage | Should Be ''
            }
        }

        Context "when supply non-existing ModuleName" {
            $fail = $false
            
            try { 
                Install-DscResources -ModuleNames 'NonExisting'
            } catch {
                $fail = $true
            }

            It "should throw exception" {
                $fail | Should Be $true
            }
        }

        Context "when installing to localhost" {
            $expectedDst = (Get-DscResourcesPaths $moduleNames).DstPath
            Remove-Item -LiteralPath $expectedDst -Force -Recurse -ErrorAction SilentlyContinue

            Install-DscResources -ModuleNames $moduleNames

            It "should copy modules" {
                Test-Path -LiteralPath $expectedDst | Should Be @($true, $true, $true)
            }

            It "should not copy Examples directory" {
                Test-Path -LiteralPath ("{0}\Examples" -f $expectedDst[2]) | Should Be $false
            }
        }

        Context "when installing to non-localhost" {

            Mock Test-ComputerNameIsLocalhost { return $false }

            $expectedDst = (Get-DscResourcesPaths $moduleNames).DstPath
            Remove-Item -LiteralPath $expectedDst -Force -Recurse -ErrorAction SilentlyContinue

            if ($Env:PSCIWinRmUser) {
               $cred = ConvertTo-PSCredential -User $Env:PSCIWinRmUser -Password $Env:PSCIWinRmPassword
               $connectionParams = New-ConnectionParameters -Nodes 'localhost' -Credential $cred
            }
            else {
                $connectionParams = New-ConnectionParameters -Nodes 'localhost'
            }
            Install-DscResources -ModuleNames $moduleNames -ConnectionParams $connectionParams

            It "should copy modules" {
                Test-Path -LiteralPath $expectedDst | Should Be @($true, $true, $true)
            }

            It "should not copy Examples directory" {
                Test-Path -LiteralPath ("{0}\Examples" -f $expectedDst[2]) | Should Be $false
            }
        }

       
    }
}