. $PSScriptRoot\..\..\Load-PesterModules.ps1
$here = Split-Path -Parent $MyInvocation.MyCommand.Path
$sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path) -replace '\.tests\.', '.'
$functionPath = Join-Path -Path $here -ChildPath $sut
Write-Host "Overriding SUT: $functionPath"
Import-Module $functionPath -Force
$moduleForMock = ""


#region Save-XMLFile

Describe Save-XMLFile {

    $tempPath = [System.IO.Path]::GetTempFileName()
    $sampleXml = '<documentNode><nodeWithAttribute isAwesome="true" /></documentNode>'
    $prettyXml = '<foo><bar/></foo>'

    Context "When the File is Valid XML" {

        function Remove-TestXMLFile {

            if (Test-Path $tempPath) {
                Remove-Item $tempPath -Force
            }
        }

        It "Saves the XML" {

            Remove-TestXMLFile
            Save-XMLFile $tempPath $sampleXml
            $resultingFile = Read-XmlFile $tempPath
            $resultingFile.OuterXml.ToString() | Should Match "<documentNode>"
        }

        It "Saves the XML Declaration Header" {

            Remove-TestXMLFile
            Save-XMLFile $tempPath $sampleXml
            $resultingFile = Get-Content $tempPath
            $resultingFile[0] | Should Match '<?xml'
        }

        It "Pretty Prints the XML" {

            Remove-TestXMLFile
            Save-XMLFile $tempPath $prettyXml
            $resultingFile = Get-Content $tempPath
            $resultingFile[1] | Should Match '<foo>'
            $resultingFile[2] | Should Match '<bar />'
            $resultingFile.Count | Should Be 4
        }

        It "Saves the XML in UTF-8 with BOM by Default" {

            Remove-TestXMLFile
            Save-XMLFile $tempPath $prettyXml
            $resultingFile = Get-Content $tempPath
            $resultingFile[0] | Should Match 'utf-8'
        }

        It "Saves the XML in the Specified Encoding" {

            Remove-TestXMLFile
            $encoding = [System.Text.Encoding]::ASCII
            Save-XMLFile $tempPath $prettyXml $encoding
            $resultingFile = Get-Content $tempPath
            $resultingFile[0] | Should Match 'ascii'
        }
    }

    Context "When the String is Invalid XML" {

        It "Throws an Error" {

            $invalidXml = "Hello World!"
            { Save-XMLFile $tempPath $invalidXml -ErrorAction SilentlyContinue } | Should Throw
        }
    }
}

#endregion Save-XMLFile