PowerShell TDD Startter

tdd.ps1

function add ([int]$a, [int]$b) {
    $sum = $a + $b
    $sum
}

Describe "TestAdd" {
    It "合計を返す" {
        $result = add 2 2
        $result | Should Be 4
    }
}

#https://qiita.com/opengl-8080/items/bb0f5e4f1c7ce045cc57

function HelloWorld($name = 'Pester') {
    return "Hello from $name"
}

Describe "HelloWorld" {
    It "何か便利なものだ" {
        $true | Should Be $true
    }
    It "何も指定しない場合は規定の名前で簡潔なフレーズを返す" {
        HelloWorld | Should Be "Hello from Pester"
    }
    It "指定した名前で簡潔なフレーズを返す" {
        HelloWorld "Venus" | Should Be "Hello from Venus"
    }
    It "いずれかの名前で終わるフレーズを返す" {
        HelloWorld "Mars" | Should Match ".*Mars"
    }
}

#https://www.red-gate.com/simple-talk/sysadmin/powershell/practical-powershell-unit-testing-getting-started/