private/Get-Definition.Tests.ps1
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$here = Split-Path -Parent $MyInvocation.MyCommand.Path $sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path) -replace '\.Tests\.', '.' . "$here\$sut" Describe "Get-Definition" -Tag 'Unit' { Context 'Parameter' { $drive = Convert-Path 'TestDrive:\' It 'Should throw an exception if variableName is empty' { $path = $drive $variableName = '' { Get-Definition -Path $path -VariableName $variableName } | Should -Throw 'null' } } Context 'Behavior' { BeforeEach { $drive = Convert-Path 'TestDrive:\' $definitionFile = Join-Path $drive 'foo.ps1' } It 'Returns variable in definition file' { $definitionFileContent = '$foo = @()' $definitionFileContent | Out-File $definitionFile -Encoding utf8 -Force $result = Get-Definition -Path $definitionFile -VariableName foo $result | Should -Be @() $result = Get-Definition -Path $definitionFile -VariableName foo -Optional $result | Should -Be @() } It 'Throws if variable is undefined in definition file' { $definitionFileContent = '' $definitionFileContent | Out-File $definitionFile -Encoding utf8 -Force { Get-Definition -Path $definitionFile -VariableName foo 2>$null } | Should -Throw } It 'Returns variable if optional variable is undefined in definition file' { $definitionFileContent = '' $definitionFileContent | Out-File $definitionFile -Encoding utf8 -Force $result = Get-Definition -Path $definitionFile -VariableName foo -Optional $result | Should -Be $null } It 'throws exception on errors in definition file' { $definitionFileContent = 'zzz' $definitionFileContent | Out-File $definitionFile -Encoding utf8 -Force { Get-Definition -Path $definitionFile -VariableName foo 2>&1 } | Should -Throw 'zzz' } } } |