. $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 = ""


Describe "Test-IsPackageReliableService" {

    # Describe fake package info.
    $source = "https://www.fakepackagerepo.com/nuget/fake.feed";
    $name = "fake.package";
    $version = "1.2.3";

    # Fake responses from Invoke-WebRequest
    $validReliableServicePackage = "[{`"fullPath`":`"ApplicationManifest.xml`",`"parentFullPath`":`"/`",`"name`":`"ApplicationManifest.xml`",`"isDirectory`":false},{`"fullPath`":`"svc/ServiceManifest.xml`",`"parentFullPath`":`"svc/`",`"name`":`"ServiceManifest.xml`",`"isDirectory`":false}]"
    $reliableServicePackageMissingServiceManifest = "[{`"fullPath`":`"ApplicationManifest.xml`",`"parentFullPath`":`"/`",`"name`":`"ApplicationManifest.xml`",`"isDirectory`":false}]"
    $reliableServicePackageMissingApplicationManifest = "[{`"fullPath`":`"svc/ServiceManifest.xml`",`"parentFullPath`":`"svc/`",`"name`":`"ServiceManifest.xml`",`"isDirectory`":false}]"
    $nonReliableServicePackage = "[{`"fullPath`":`"package/files/otherfile.xml`",`"parentFullPath`":`"package/files/`",`"name`":`"otherfile.xml`",`"isDirectory`":false}]"

    Context "Valid Reliable Service Package" {

        Mock -CommandName Get-PackageFileList -ModuleName $moduleForMock -MockWith {
            return (ConvertFrom-Json -InputObject $validReliableServicePackage)
        }
        It "Correctly Identifies a Reliable Service File List" {
            $result = Test-IsPackageReliableService -feedSource $source -name $name -version $version;
            $result | Should -be $true;
        }
    }

    Context "Incomplete Reliable Service Package - Missing Service Manifest" {
        Mock -CommandName Get-PackageFileList -ModuleName $moduleForMock -MockWith {
            return (ConvertFrom-Json -InputObject $reliableServicePackageMissingServiceManifest)
        }
        It "Returns False Because it is Missing a Service Manifest" {
            $result = Test-IsPackageReliableService -feedSource $source -name $name -version $version;
            $result | Should -be $false;
        }
    }

    Context "Incomplete Reliable Service Package - Missing Application Manifest" {
        Mock -CommandName Get-PackageFileList -ModuleName $moduleForMock -MockWith {
            return (ConvertFrom-Json -InputObject $reliableServicePackageMissingApplicationManifest)
        }
        It "Returns False Because it is Missing an Application Manifest" {
            $result = Test-IsPackageReliableService -feedSource $source -name $name -version $version;
            $result | Should -be $false;
        }
    }

    Context "Not A Reliable Service Package" {
        Mock -CommandName Get-PackageFileList -ModuleName $moduleForMock -MockWith {
            return (ConvertFrom-Json -InputObject $nonReliableServicePackage)
        }
        It "Returns False Because it is not a Reliable Service Package" {
            $result = Test-IsPackageReliableService -feedSource $source -name $name -version $version;
            $result | Should -be $false;
        }
    }

    # This is an invalid test. "Get-PackageFileList" should be mocked
    # This test should validate how this SUT responds when the return value of Get-PackageFileList is $null
    # The _behavior_ of this original test should be moved to tests for "Get-PackageFileList" instead
    <#Context "Bad Nuget Source" {
        $source = "https://www.badpackagerepo.com/bad.feed";
        It "Fails Because the Source Feed URL is Badly Formatted" {
            { Test-IsPackageReliableService -feedSource $source -name $name -version $version -ErrorAction Stop} | Should -Throw;
        }
    }#>
}