FileSystem.Tests.ps1
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BeforeAll { . $PSScriptRoot\FileSystem.ps1 } Describe 'File System Unit Tests' -Tag 'Unit' { Context 'Create destination folder' { BeforeAll { Mock New-Item {} } It 'Should create folder if it does not exist' { Mock Test-Path { return $False } CreateDestinationFolder 'dummypath' Assert-MockCalled New-Item -Times 1 -Scope It } It 'Should not do anything if folder exists and is empty' { Mock Test-Path { return $True } Mock Get-ChildItem { return @() } CreateDestinationFolder 'dummypath' Assert-MockCalled New-Item -Times 0 -Scope It } It 'Should throw if folder exists and is not empty' { Mock Test-Path { return $True } Mock Get-ChildItem { return @('existing.file', 'other.file') } { CreateDestinationFolder 'dummypath' } | Should -Throw } } } Describe 'File System Integration Tests' -Tag 'Integration' { Context 'Create destination folder' { It 'Should create folder if it does not exist' { $NewFolder = Join-Path -Path $TestDrive -ChildPath 'destination' CreateDestinationFolder -DestinationFolder $NewFolder Test-Path $NewFolder -ErrorAction SilentlyContinue | Should -BeTrue } It 'Should not do anything if folder exists and is empty' { $NewFolder = Join-Path -Path $TestDrive -ChildPath 'exists' New-Item -Path $NewFolder -ItemType Directory CreateDestinationFolder -DestinationFolder $NewFolder Test-Path $NewFolder -ErrorAction SilentlyContinue | Should -BeTrue } It 'Should throw if folder exists and is not empty' { $NewFolder = Join-Path -Path $TestDrive -ChildPath 'Not Empty' New-Item -Path $NewFolder -ItemType Directory $File = Join-Path -Path $NewFolder -ChildPath 'file.txt' 'hello world!' | Out-File -FilePath $File { CreateDestinationFolder -DestinationFolder $NewFolder } | Should -Throw } } } |