Tests/Environment/Test-EnvironmentVariable.Tests.ps1
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BeforeAll { Set-StrictMode -Version "Latest" . "$PSScriptRoot\..\..\Source\Environment\Get-EnvironmentVariable.ps1" . "$PSScriptRoot\..\..\Source\Environment\Test-EnvironmentVariable.ps1" } Describe "Test-EnvironmentVariable" { It "Returns true for a variable that exists and isn't empty" { [Environment]::SetEnvironmentVariable("ToolboxTestVariable", "ToolboxTestValue", "Process") $result = Test-EnvironmentVariable -Name "ToolboxTestVariable" -Scope "Process" $result | Should -BeTrue [Environment]::SetEnvironmentVariable("ToolboxTestVariable", $null, "Process") } It "Returns false for a variable that doesn't exist" { $result = Test-EnvironmentVariable -Name "ToolboxNonExistentVariable" -Scope "Process" $result | Should -BeFalse } It "Returns false for a variable that exists but is empty" { [Environment]::SetEnvironmentVariable("ToolboxTestVariable", "", "Process") $result = Test-EnvironmentVariable -Name "ToolboxTestVariable" -Scope "Process" $result | Should -BeFalse [Environment]::SetEnvironmentVariable("ToolboxTestVariable", $null, "Process") } It "Accepts the variable name from the pipeline" { [Environment]::SetEnvironmentVariable("ToolboxTestVariable", "ToolboxTestValue", "Process") $result = "ToolboxTestVariable" | Test-EnvironmentVariable -Scope "Process" $result | Should -BeTrue [Environment]::SetEnvironmentVariable("ToolboxTestVariable", $null, "Process") } } |