PowerShell-PowerShell/test/powershell/Modules/Microsoft.PowerShell.Utility/NewTemporaryFile.Tests.ps1

# This is a Pester test suite to validate the New-TemporaryFile cmdlet in the Microsoft.PowerShell.Utility module.
#
# Copyright (c) Microsoft Corporation, 2015
#

<#
    Purpose:
        Verify that New-TemporaryFile creates a temporary file.
                
    Action:
        Run New-TemporaryFile.
               
    Expected Result: 
        A FileInfo object for the temporary file is returned. 
#>

Describe "NewTemporaryFile" -tags 'DRT' {

    It "creates a new temporary file" {
        $tempFile = New-TemporaryFile 

        Test-Path $tempFile | Should be $true
        $tempFile.GetType().Name | Should be "FileInfo"

        if(Test-Path $tempFile)
        {
            Remove-Item $tempFile -ErrorAction SilentlyContinue -Force
        }
    }

    It "with WhatIf does not create a file" {
        New-TemporaryFile -WhatIf | Should Be $null
    }

    It "has an OutputType of System.IO.FileInfo" {
        (Get-Command New-TemporaryFile).OutputType | Should Be "System.IO.FileInfo"
    }
}