Tests/Environment/Get-EnvironmentVariable.Tests.ps1
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BeforeAll { Set-StrictMode -Version "Latest" . "$PSScriptRoot\..\..\Source\Environment\Get-EnvironmentVariable.ps1" } Describe "Get-EnvironmentVariable" { It "Returns the value of an existing Process-scoped variable" { [Environment]::SetEnvironmentVariable("ToolboxTestVariable", "ToolboxTestValue", "Process") $result = Get-EnvironmentVariable -Name "ToolboxTestVariable" -Scope "Process" $result | Should -Be "ToolboxTestValue" [Environment]::SetEnvironmentVariable("ToolboxTestVariable", $null, "Process") } It "Returns null for a variable that doesn't exist" { $result = Get-EnvironmentVariable -Name "ToolboxNonExistentVariable" -Scope "Process" $result | Should -BeNullOrEmpty } It "Accepts the variable name from the pipeline" { [Environment]::SetEnvironmentVariable("ToolboxTestVariable", "ToolboxTestValue", "Process") $result = "ToolboxTestVariable" | Get-EnvironmentVariable -Scope "Process" $result | Should -Be "ToolboxTestValue" [Environment]::SetEnvironmentVariable("ToolboxTestVariable", $null, "Process") } } |