NuGetMetadata.Tests.ps1
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Import-Module "./NuGetMetadata.psm1" $filePath = @{ test = "./test/test.zip" relative = "./test/test.zip" nupkg = "./test/example.nupkg" nonExistent = "./non-existent.file" notZipFile = "./test/test.txt" } $filePath['absolute'] = (Resolve-Path $filePath.relative).Path $dirPath = @{ currentFolder = "." } Describe "Get-NuGetMetaData" { Context "Given no path (null/empty string)" { It "It throws non-terminating exception" { { Get-NuGetMetaData $null } | Should throw { Get-NuGetMetaData "" } | Should throw } } Context "Given different types of paths" { It "works with absolute paths" { { Get-NuGetMetaData $filePath.absolute } | Should not be $null } It "works with relative paths" { { Get-NuGetMetaData $filePath.relative } | Should not be $null } } Context "Given non-existent file path" { It "Has errors" { Get-NuGetMetaData $filePath.nonExistent -ErrorVariable err 2>$null $err.Count | Should BeGreaterThan 0 } } Context "Given example file path" { It "Reads the content of the file" { @(Get-NuGetMetaData $filePath.nupkg).Count | Should BeGreaterThan 0 } } } Describe "Get-ZipFileEntry" { Context "Given a directory path" { It "Has errors" { Get-ZipFileEntry $dirPath.currentFolder -ErrorVariable err 2>$null $err | Should not BeNullOrEmpty } } Context "Given example zip file with some files" { $result = Get-ZipFileEntry (Resolve-Path $filePath.test).Path It "Return a non-empty collection" { $result.Count | Should BeGreaterThan 0 } It "Return a ZipArchiveEntry" { $result | Should BeOfType System.IO.Compression.ZipArchiveEntry } } Context "Given a non zip file" { It "Has errors" { Get-ZipFileEntry $filePath.notZipFile 2>$null -ErrorVariable err $err | Should not BeNullOrEmpty } } } Describe "Get-ZipFileEntryContent" { Context "Given no zip file entry (null)" { It "Returns null" { Get-ZipFileEntryContent | Should be $null } } Context "Given a zip file entry" { It "Should not throw" { # actually never throws :) { Get-ZipFileEntry $filePath.test | Get-ZipFileEntryContent } | Should not throw } It "Gets the contents of the file" { { Get-ZipFileEntry $filePath.test | Get-ZipFileEntryContent } | Should not BeNullOrEmpty } } Context "When file couldn't be opened" { It "Should have errors" { # Pester cannot mock .Open() # so we make a stub that always throws Add-Type -AssemblyName "System.IO.Compression.FileSystem" $zipFile = [System.IO.Compression.ZipFile]::OpenRead($filePath.absolute) $obj = $zipFile.Entries[0] $obj | Add-Member -MemberType ScriptMethod -Name Open -Value { throw "this method always throw an exception" } -Force Get-ZipFileEntryContent $obj -ErrorVariable err 2>$null $err | Should not BeNullOrEmpty $zipFile.Dispose() } } } |