. $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 Set-ChocolateyPackageNewRelicState

Describe "Set-ChocolateyPackageNewRelicState" {

    $global:nrXmlTrue = @'
<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <appSettings>
    <add key="NewRelic.AgentEnabled" value="true" />
  </appSettings>
</configuration>
'@

    $global:nrXmlFalse = @'
<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <appSettings>
    <add key="NewRelic.AgentEnabled" value="false" />
  </appSettings>
</configuration>
'@

    $global:nrXmlMissing = @'
<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <appSettings>
    <add key="NotNewRelic" value="cornflower blue" />
  </appSettings>
</configuration>
'@

    $global:nrXmlNoAppSettings = @'
<?xml version="1.0" encoding="utf-8"?>
<configuration>
</configuration>
'@

    # Mock the pieces that make sure that the app.config is a real file.
    Mock -ModuleName $moduleForMock Get-ChildItem { return "totally real file path.jpg" }
    Mock -ModuleName $moduleForMock Test-Path { return $true }
    Mock -ModuleName $moduleForMock Save-XMLFile { }
    Mock -ModuleName $moduleForMock Get-UncPath { }
    Mock -ModuleName $moduleForMock Set-DotNetCoreProfiling { }

    Context "Sets NewRelic.AgentEnabled" {

        # Mock Read-XmlFile for the Test
        Mock -ModuleName $moduleForMock Read-XmlFile { return [xml]($nrXmlTrue.Clone()) }
        Mock -ModuleName $moduleForMock Test-Path { return $true }

        Mock -ModuleName $moduleForMock Set-AppSetting { }

        It "Sets value to false" {
            Set-ChocolateyPackageNewRelicState -Name "fake.package" -Enabled $false
            Assert-MockCalled -ModuleName $moduleForMock Set-AppSetting -Times 1 -Exactly -Scope It -ParameterFilter {
                $Key -eq "NewRelic.AgentEnabled" -and $Value -eq "false"
            }
        }

        It "Sets value to true" {
            Set-ChocolateyPackageNewRelicState -Name "fake.package" -Enabled $true
            Assert-MockCalled -ModuleName $moduleForMock Set-AppSetting -Times 1 -Exactly -Scope It -ParameterFilter {
                $Key -eq "NewRelic.AgentEnabled" -and $Value -eq "true"
            }
        }
    }

    Context "Package Path Doesn't Exist" {
        # Mock Test-Path, which is only used to determine if the microservice path exists.
        Mock -ModuleName $moduleForMock Test-Path { return $false }
        Mock -ModuleName $moduleForMock Write-Warning { }

        It "Warns if App.Config Path Doesn't Exist" {
            Set-ChocolateyPackageNewRelicState -Name "fake.package" -Enabled $false
            Assert-MockCalled -ModuleName $moduleForMock Write-Warning -Times 1 -Exactly -Scope It -ParameterFilter {
                $message -like "*Could not locate app.config path*"
            }
        }
    }
}

#endregion Set-ChocolateyPackageNewRelicState