ps/Modules/Alkami.PowerShell.Configuration/Public/Get-AppSetting.json.tests.ps1

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

Describe "Get-AppSetting.json" {
    $configPathUUT = "TestDrive:\appsettings.json"
    $configContentUUT = @"
{
    "SettingName" : "SettingValue",
    "DeepSettingParent" : {
        "DeepSettingChild": "DeepSettingValue"
    },
    "ReallyDeepSettingParent" : {
        "DeepSettingParent" : {
            "DeepSettingChild": "DeepSettingValue"
        }
    }
}
"@

    Context "Simple_Setting" {
        Mock -ModuleName $moduleForMock -CommandName Write-Error -MockWith {}
        Mock -ModuleName $moduleForMock -CommandName Write-Host -MockWith {}
        Mock -ModuleName $moduleForMock -CommandName Write-Warning -MockWith {}

        Set-Content -Path $configPathUUT -Value $configContentUUT

        $value = Get-AppSetting -Path $configPathUUT -Key "SettingName"

        It "got the right value" {
            $value | Should -Be "SettingValue"
        }

        It "did not write an error" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Error -Times 0 -Scope Context
        }

        It "wrote no warnings to the console" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Warning -Times 0 -Scope Context
        }

        It "wrote no hosts messages" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Host -Times 0 -Scope Context
        }
    }

    Context "DeepSettingParent.RightName" {
        Mock -ModuleName $moduleForMock -CommandName Write-Error -MockWith {}
        Mock -ModuleName $moduleForMock -CommandName Write-Host -MockWith {}
        Mock -ModuleName $moduleForMock -CommandName Write-Warning -MockWith {}

        Set-Content -Path $configPathUUT -Value $configContentUUT

        $value = Get-AppSetting -Path $configPathUUT -Key "DeepSettingParent:DeepSettingChild"

        It "got the right value" {
            $value | Should -Be "DeepSettingValue"
        }

        It "did not write an error" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Error -Times 0 -Scope Context
        }

        It "wrote no warnings to the console" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Warning -Times 0 -Scope Context
        }

        It "wrote no hosts messages" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Host -Times 0 -Scope Context
        }
    }

    Context "DeepSettingParent.WrongName" {
        Mock -ModuleName $moduleForMock -CommandName Write-Error -MockWith {}
        Mock -ModuleName $moduleForMock -CommandName Write-Host -MockWith {}
        Mock -ModuleName $moduleForMock -CommandName Write-Warning -MockWith {}

        Set-Content -Path $configPathUUT -Value $configContentUUT

        $value = Get-AppSetting -Path $configPathUUT -Key "DeepSettingParent:SettingName"

        It "got the right value" {
            $value | Should -BeNull
        }

        It "did not write an error" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Error -Times 0 -Scope Context
        }

        It "wrote a simple warning to the console" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Warning -Times 1 -Scope Context
        }

        It "wrote no hosts messages" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Host -Times 0 -Scope Context
        }
    }

    Context "ReallyDeepSettingParent" {
        Mock -ModuleName $moduleForMock -CommandName Write-Error -MockWith {}
        Mock -ModuleName $moduleForMock -CommandName Write-Host -MockWith {}
        Mock -ModuleName $moduleForMock -CommandName Write-Warning -MockWith {}

        Set-Content -Path $configPathUUT -Value $configContentUUT

        $value = Get-AppSetting -Path $configPathUUT -Key "ReallyDeepSettingParent:DeepSettingParent:SettingName"

        It "got the right value" {
            $value | Should -BeNull
        }

        It "did not write an error" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Error -Times 0 -Scope Context
        }

        It "wrote a simple warning to the console" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Warning -Times 1 -Scope Context
        }

        It "wrote no hosts messages" {
            Assert-MockCalled -ModuleName $moduleForMock -CommandName Write-Host -Times 0 -Scope Context
        }
    }
}