. $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 = ""
$currentErrorActionPreference = $ErrorActionPreference
$ErrorActionPreference = "stop"

Describe "Update-Borg" {
    Mock -CommandName Write-Host -MockWith {}
    Mock -CommandName Write-Error -MockWith {}

    $packageData = New-PackageMetadataObject
    $packageData.DisableMicroserviceNewRelic = $false
    $appPackage1 = New-DummyPackageInstallationData -PackageName "app.package1" -PackageVersion "1.0.0" -IsFullScale
    $appPackage2 = New-DummyPackageInstallationData -PackageName "app.package2" -PackageVersion "1.0.0" -IsFullScale

    $packageArray = @($appPackage1, $appPackage2)

    $packageData.AppPackagesToInstall = $packageArray
    $packageData.EnvironmentLabel = "UnitTest"

    Mock -CommandName Update-PlatformElementInventory -MockWith {
        # No third case necessary; This function doesn't return. Just does its thing silently.
        write-host "params: $borgUri, $ApiKey"

        if ($BorgUri -like "*Fake*"){
            throw "Got a fake URI"
        } elseif ($ApiKey -like "*Fake*"){
            throw "Got a fake API key"
        }
    }

    Context "When Given Invalid Borg Connection Info" {
        It "Writes an Error on a bad URI" {
            { Update-Borg -BorgApiKey "ValidKey" -BorgUri "FakeUri" -PackageMetadata $packageData } | Should -Not -Throw
        }

        It "Writes an Error given an empty URI"{
            Update-Borg -BorgApiKey "ValidKey" -BorgUri "" -PackageMetadata $packageData

            Assert-MockCalled -CommandName Write-Error -Scope Context -Times 1
        }

        It "Writes an Error on a bad API Key"{
            { Update-Borg -BorgApiKey "FakeKey" -BorgUri "ValidUri" -PackageMetadata $packageData } | Should -Not -Throw

        }
    }

    Context "When Given Valid Info"{
        It "Updates Borg" {
            Update-Borg -BorgApiKey "ValidKey" -BorgUri "ValidUri" -PackageMetadata $packageData

            Assert-MockCalled -CommandName Write-Host -Times 1 -ParameterFilter {$object -eq "BoRG successfully updated."}
         }
    }
}