DefenderASR

0.0.4

Tests/function-Backup-DefenderAsrSetting.tests.ps1

<#
    PowerShell Unit Test file
    You'll need a test framework like Pester to execute the tests
 
    Tests for *function-Backup-DefenderAsrSetting.ps1*
#>

$ModuleName = "DefenderASR"
$ModuleManifestName = "$ModuleName.psd1"
$ModuleManifestPath = "$PSScriptRoot\..\$ModuleManifestName"
Get-Module $ModuleName | Remove-Module -force
Import-Module $ModuleManifestPath

InModuleScope -ModuleName $ModuleName -ScriptBlock {
    $scripPath = [System.IO.Path]::GetDirectoryName($PSCommandPath).Replace("\Tests","\Lib");
    $testFileName = $PSCommandPath | Split-Path -Leaf;
    $targetFileName = $testFileName.Replace(".tests.",".");
    $function = $targetFileName.Replace("function-","").Replace(".ps1","");

    Describe -Name "Validation tests of $function" -Fixture {
        Context -Name "Validation of file" -Fixture {
            It "$targetFileName contains a Function" {
                "$scripPath\$targetFileName" | Should -FileContentMatch -ExpectedContent "function $function"
            }
            It "$targetFileName contains an Advanced Function" {
                "$scripPath\$targetFileName" | Should -FileContentMatch -ExpectedContent "CmdletBinding()"
            }
            It "$targetFileName contains a Synopsis" {
                "$scripPath\$targetFileName" | Should -FileContentMatch -ExpectedContent ".SYNOPSIS"
            }
            It "$targetFileName is a valid script file" {
                $script = Get-Content "$scripPath\$targetFileName" -ErrorAction Stop
                $errors = $null
                [System.Management.Automation.PSParser]::Tokenize($script, [ref]$errors) | Out-Null
                $errors.Count | Should Be 0
            }
        }
    }
    Describe -Name "Functional tests of $function" -Fixture {
        Context -Name "General tests" -Fixture {
            It -Name "$function returns something" {
                Backup-DefenderAsrSetting -path "TestDrive:\asr-settings-0.json"
                "TestDrive:\asr-settings-0.json" | SHould -Exist
                "TestDrive:\asr-settings-0.json" | SHould -FileContentMatch -ExpectedContent "75668c1f-73b5-4cf0-bb93-3ecf5cb7cc84"
                "TestDrive:\asr-settings-0.json" | SHould -FileContentMatch -ExpectedContent "Audit"
            }
        }
    }

    Describe -Name "Functional tests of $function with a MOCK" -Fixture {
        Mock -CommandName "Get-MpPreference" -MockWith {
            return [PSCustomObject]@{
                AttackSurfaceReductionRules_Ids = $null
            }
        } -ModuleName DefenderASR

        Context -Name "General tests with a MOCK" -Fixture {
            It -Name "$function returns nothing" {
                Backup-DefenderAsrSetting -path "TestDrive:\asr-settings-1.json"
                "TestDrive:\asr-settings-1.json" | SHould -Exist
            }
        }
    }
}