public/Clone-TempRepo.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 "Clone-TempRepo" -Tag Unit { BeforeEach { function git {} Mock git { if ("$Args" -eq 'remote get-url origin') { 'https://github.com/theohbrothers/foo' } if ($Args[0] -eq 'clone') { "cloning into '$( $Args[2] )'" } } function Execute-Command { [CmdletBinding(DefaultParameterSetName='Default')] param ( [Parameter(Mandatory,ParameterSetName='Default',Position=0)] [ValidateNotNull()] [object]$Command , [Parameter(ValueFromPipeline,ParameterSetName='Pipeline')] [object]$InputObject ) $Command = if ($InputObject) { $InputObject } else { $Command } Invoke-Command $Command } } Context 'Error handling' { It "Honors -ErrorAction Stop" { Mock Execute-Command { if ($ErrorActionPreference -eq 'Stop') { throw "some exception" } } { Clone-TempRepo -ErrorAction Stop 6>$null } | Should -Throw "some exception" } } Context 'Behavior' { It "Clones repo" { $output = Clone-TempRepo 6>$null Assert-MockCalled git -Scope It -Times 2 $output | Should -Match '/foo$' } It "Clones repo (-WhatIf)" { $output = Clone-TempRepo -WhatIf -ErrorVariable err 6>$null Assert-MockCalled git -Scope It -Times 2 $output | Should -Be $null $err | Should -Be $null } } } |