PowerShell-PSDscResources/Tests/Integration/MSFT_ScriptResource.Integration.Tests.ps1

$errorActionPreference = 'Stop'
Set-StrictMode -Version 'Latest'

if ($PSVersionTable.PSVersion -lt [Version] '5.1')
{
    Write-Warning -Message 'Cannot run PSDscResources integration tests on PowerShell versions lower than 5.1'
    return
}

Describe 'Script Integration Tests' {
    BeforeAll {
        # Import CommonTestHelper for Enter-DscResourceTestEnvironment, Exit-DscResourceTestEnvironment
        $script:moduleRootPath = Split-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -Parent
        $script:testFolderPath = Split-Path -Path $PSScriptRoot -Parent
        $script:testHelpersPath = Join-Path -Path $script:testFolderPath -ChildPath 'TestHelpers'
        Import-Module -Name (Join-Path -Path $script:testHelpersPath -ChildPath 'CommonTestHelper.psm1')

        $script:testEnvironment = Enter-DscResourceTestEnvironment `
            -DscResourceModuleName 'PSDscResources' `
            -DscResourceName 'MSFT_ScriptResource' `
            -TestType 'Integration'

        # Import Script module for Get-TargetResource, Test-TargetResource
        $dscResourcesFolderFilePath = Join-Path -Path $script:moduleRootPath -ChildPath 'DscResources'
        $scriptResourceFolderFilePath = Join-Path -Path $dscResourcesFolderFilePath -ChildPath 'MSFT_ScriptResource'
        $scriptResourceModuleFilePath = Join-Path -Path $scriptResourceFolderFilePath -ChildPath 'MSFT_ScriptResource.psm1'
        Import-Module -Name $scriptResourceModuleFilePath

        $script:configurationNoCredentialFilePath = Join-Path -Path $PSScriptRoot -ChildPath 'MSFT_ScriptResource_NoCredential.config.ps1'
        $script:configurationWithCredentialFilePath = Join-Path -Path $PSScriptRoot -ChildPath 'MSFT_ScriptResource_WithCredential.config.ps1'

        # Cannot use $TestDrive here because script is run outside of Pester
        $script:testFilePath = Join-Path -Path $env:SystemDrive -ChildPath 'TestFile.txt'

        if (Test-Path -Path $script:testFilePath)
        {
            $null = Remove-Item -Path $script:testFilePath -Force
        }
    }

    AfterAll {
        if (Test-Path -Path $script:testFilePath)
        {
            $null = Remove-Item -Path $script:testFilePath -Force
        }

        $null = Exit-DscResourceTestEnvironment -TestEnvironment $script:testEnvironment
    }

    Context 'Get, set, and test scripts specified and Credential not specified' {
        if (Test-Path -Path $script:testFilePath)
        {
            $null = Remove-Item -Path $script:testFilePath -Force
        }

        $configurationName = 'TestScriptNoCredential'

        # Cannot use $TestDrive here because script is run outside of Pester
        $resourceParameters = @{
            FilePath = $script:testFilePath
            FileContent = 'Test file content'
        }

        It 'Should have removed test file before the configuration' {
            Test-Path -Path $resourceParameters.FilePath | Should -BeFalse
        }

        It 'Should compile and apply the MOF without throwing' {
            {
                . $script:configurationNoCredentialFilePath -ConfigurationName $configurationName
                & $configurationName -OutputPath $TestDrive @resourceParameters
                Start-DscConfiguration -Path $TestDrive -ErrorAction 'Stop' -Wait -Force
            } | Should Not Throw
        }

        It 'Should have created the test file' {
            Test-Path -Path $resourceParameters.FilePath | Should -BeTrue
        }

        It 'Should have set file content correctly' {
            Get-Content -Path $resourceParameters.FilePath -Raw | Should Be "$($resourceParameters.FileContent)`r`n"
        }
    }

    if ($env:appVeyor)
    {
        Context 'Get, set, and test scripts specified and Credential specified' {
            if (Test-Path -Path $script:testFilePath)
            {
                Remove-Item -Path $script:testFilePath -Force
            }

            $configurationName = 'TestScriptWithCredential'

            # Cannot use $TestDrive here because script is run outside of Pester
            $resourceParameters = @{
                FilePath = $script:testFilePath
                FileContent = 'Test file content'
                Credential = Get-AppVeyorAdministratorCredential
            }

            It 'Should have removed test file before config runs' {
                Test-Path -Path $resourceParameters.FilePath | Should -BeFalse
            }

            $configData = @{
                AllNodes = @(
                    @{
                        NodeName = 'localhost'
                        PSDscAllowPlainTextPassword = $true
                        PSDscAllowDomainUser = $true
                    }
                )
            }

            It 'Should compile and apply the MOF without throwing' {
                {
                    . $script:configurationWithCredentialFilePath -ConfigurationName $configurationName
                    & $configurationName -OutputPath $TestDrive -ConfigurationData $configData @resourceParameters
                    Start-DscConfiguration -Path $TestDrive -ErrorAction 'Stop' -Wait -Force
                } | Should -Not -Throw
            }

            It 'Should have created the test file' {
                Test-Path -Path $resourceParameters.FilePath | Should -BeTrue
            }

            It 'Should have set file content correctly' {
                Get-Content -Path $resourceParameters.FilePath -Raw | Should -Be "$($resourceParameters.FileContent)`r`n"
            }
        }
    }
}