. $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-ServiceManifestRequiresDbAccess" {

    Mock -ModuleName $moduleForMock -CommandName Get-LogLeadName -MockWith { }
    Mock -ModuleName $moduleForMock -CommandName Write-Host -MockWith { }

    Context "When Service Manifest Is Null" {
        $serviceManifest = $null

        It "Returns False"{
            $results = Test-ServiceManifestRequiresDbAccess $serviceManifest

            $results | Should -BeFalse
        }
    }

    Context "When Service Manifest Has Assemblies With A Role But No DB Role" {
        $serviceManifest = @{
            Runtime = "Core"
            Migrations = @{
                Assembly = @()
            }
        }

        $serviceManifest.Migrations.Assembly += @{
            role = "MyAssemblyRole"
        }

        $serviceManifest.Migrations.Assembly += @{
            role = "MyOtherAssemblyRole"
        }

        It "Returns True"{
            $results = Test-ServiceManifestRequiresDbAccess $serviceManifest

            $results | Should -BeTrue
        }
    }

    Context "When Service Manifest Has One or More Assemblies With A Role and One or More without But No DB Role" {
        $serviceManifest = @{
            Runtime = "Core"
            Migrations = @{
                Assembly = @()
            }
        }

        $serviceManifest.Migrations.Assembly += @{
            role = "MyAssemblyRole"
        }

        $serviceManifest.Migrations.Assembly += @{
            role = ""
        }

        It "Returns True"{
            $results = Test-ServiceManifestRequiresDbAccess $serviceManifest

            $results | Should -BeTrue
        }
    }

    Context "When Service Manifest Has Assemblies Without A Role And No DB Role" {
        $serviceManifest = @{
            Runtime = "Core"
            Migrations = @{
                Assembly = @()
            }
        }

        $serviceManifest.Migrations.Assembly += @{
            role = ""
        }

        $serviceManifest.Migrations.Assembly += @{
            role = ""
        }

        It "Returns False"{
            $results = Test-ServiceManifestRequiresDbAccess $serviceManifest

            $results | Should -BeFalse
        }
    }

    Context "When Service Manifest Has Packages But No DB Role" {
        $serviceManifest = @{
            Runtime = "Core"
            Migrations = @{
                Package = @{
                }
            }
        }

        It "Returns True"{
            $results = Test-ServiceManifestRequiresDbAccess $serviceManifest

            $results | Should -BeTrue
        }
    }

    Context "When Service Manifest Has Assemblies And A DB Role" {
        $serviceManifest = @{
            Runtime = "Core"
            Migrations = @{
                Assembly = @{
                    role = ""
                }
            }
            db_role = "MyRole"
        }

        It "Returns True"{
            $results = Test-ServiceManifestRequiresDbAccess $serviceManifest

            $results | Should -BeTrue
        }
    }

    Context "When Service Manifest Has Packages And A DB Role" {
        $serviceManifest = @{
            Runtime = "Core"
            Migrations = @{
                Package = @{
                }
            }
            db_role = "MyRole"
        }

        It "Returns True"{
            $results = Test-ServiceManifestRequiresDbAccess $serviceManifest

            $results | Should -BeTrue
        }
    }

    Context "When Service Manifest Has Neither Packages Nor Assemblies Nor A DB Role" {
        $serviceManifest = @{
            Runtime = "Core"
        }

        It "Returns False"{
            $results = Test-ServiceManifestRequiresDbAccess $serviceManifest

            $results | Should -BeFalse
        }
    }
}