. $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-IsWebServer" {
    Mock -ModuleName $moduleForMock -CommandName Get-LogLeadName -MockWith { return "[UUT]" }

    Context "Parameter is passed" {
        It "Returns false if passed an app server name" {
            Test-IsWebServer -ComputerName "APP123456" | Should -BeFalse
        }

        It "Returns true if passed a web server name" {
            Test-IsWebServer -ComputerName "WEB123456" | Should -BeTrue
        }

        It "Returns false if passed a mic server name" {
            Test-IsWebServer -ComputerName "MIC123456" | Should -BeFalse
        }

        It "Returns false if passed a dell laptop name" {
            Test-IsWebServer -ComputerName "ALK-DELL1234" | Should -BeFalse
        }
    }

    Context "Uses empty ComputerName parameter, delivers right result" {
        It "Returns false if UUT has an app server name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "APP123456"}
            Test-IsWebServer -ComputerName "" | Should -BeFalse
        }

        It "Returns true if UUT has a web server name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "WEB123456"}
            Test-IsWebServer -ComputerName "" | Should -BeTrue
        }

        It "Returns false if UUT has a mic server name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "MIC123456"}
            Test-IsWebServer -ComputerName "" | Should -BeFalse
        }

        It "Returns false if UUT has a dell laptop name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "ALK-DELL1234"}
            Test-IsWebServer -ComputerName "" | Should -BeFalse
        }
    }

    Context "Uses null ComputerName parameter, delivers right result" {
        It "Returns false if UUT has an app server name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "APP123456"}
            Test-IsWebServer -ComputerName $null | Should -BeFalse
        }

        It "Returns true if UUT has a web server name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "WEB123456"}
            Test-IsWebServer -ComputerName $null | Should -BeTrue
        }

        It "Returns false if UUT has a mic server name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "MIC123456"}
            Test-IsWebServer -ComputerName $null | Should -BeFalse
        }

        It "Returns false if UUT has a dell laptop name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "ALK-DELL1234"}
            Test-IsWebServer -ComputerName $null | Should -BeFalse
        }
    }

    Context "Uses no ComputerName parameter, delivers right result" {
        It "Returns false if UUT has an app server name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "APP123456"}
            Test-IsWebServer | Should -BeFalse
        }

        It "Returns true if UUT has a web server name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "WEB123456"}
            Test-IsWebServer | Should -BeTrue
        }

        It "Returns false if UUT has a mic server name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "MIC123456"}
            Test-IsWebServer | Should -BeFalse
        }

        It "Returns false if UUT has a dell laptop name" {
            Mock -ModuleName $moduleForMock -CommandName Get-FullyQualifiedServerName -MockWith { return "ALK-DELL1234"}
            Test-IsWebServer | Should -BeFalse
        }
    }
}