PSTeedy/tests/Manifest.tests.ps1

$moduleName         = $env:BHProjectName
$manifest           = Import-PowerShellDataFile -Path $env:BHPSModuleManifest
$outputDir          = Join-Path -Path $ENV:BHProjectPath -ChildPath 'Output'
$outputModDir       = Join-Path -Path $outputDir -ChildPath $env:BHProjectName
$outputModVerDir    = Join-Path -Path $outputModDir -ChildPath $manifest.ModuleVersion
$outputManifestPath = Join-Path -Path $outputModVerDir -Child "$($moduleName).psd1"
$changelogPath      = Join-Path -Path $env:BHProjectPath -Child 'CHANGELOG.md'

Describe 'Module manifest' {
    Context 'Validation' {

        $script:manifest = $null

        It 'has a valid manifest' {
            {
                $script:manifest = Test-ModuleManifest -Path $outputManifestPath -Verbose:$false -ErrorAction Stop -WarningAction SilentlyContinue
            } | Should Not Throw
        }

        It 'has a valid name in the manifest' {
            $script:manifest.Name | Should Be $env:BHProjectName
        }

        It 'has a valid root module' {
            $script:manifest.RootModule | Should Be "$($moduleName).psm1"
        }

        It 'has a valid version in the manifest' {
            $script:manifest.Version -as [Version] | Should Not BeNullOrEmpty
        }

        It 'has a valid description' {
            $script:manifest.Description | Should Not BeNullOrEmpty
        }

        It 'has a valid author' {
            $script:manifest.Author | Should Not BeNullOrEmpty
        }

        It 'has a valid guid' {
            {
                [guid]::Parse($script:manifest.Guid)
            } | Should Not throw
        }

        It 'has a valid copyright' {
            $script:manifest.CopyRight | Should Not BeNullOrEmpty
        }

        $script:changelogVersion = $null
        It 'has a valid version in the changelog' {
            foreach ($line in (Get-Content $changelogPath)) {
                if ($line -match "^##\s\[(?<Version>(\d+\.){1,3}\d+)\]") {
                    $script:changelogVersion = $matches.Version
                    break
                }
            }
            $script:changelogVersion               | Should Not BeNullOrEmpty
            $script:changelogVersion -as [Version] | Should Not BeNullOrEmpty
        }

        It 'changelog and manifest versions are the same' {
            $script:changelogVersion -as [Version] | Should be ( $script:manifest.Version -as [Version] )
        }

        if (Get-Command git.exe -ErrorAction SilentlyContinue) {
            $script:tagVersion = $null
            It 'is tagged with a valid version' -skip {
                $thisCommit = git.exe log --decorate --oneline HEAD~1..HEAD

                if ($thisCommit -match 'tag:\s*(\d+(?:\.\d+)*)') {
                    $script:tagVersion = $matches[1]
                }

                $script:tagVersion               | Should Not BeNullOrEmpty
                $script:tagVersion -as [Version] | Should Not BeNullOrEmpty
            }

            It 'all versions are the same' {
                $script:changelogVersion -as [Version] | Should be ( $script:manifest.Version -as [Version] )
                #$script:manifest.Version -as [Version] | Should be ( $script:tagVersion -as [Version] )
            }
        }
    }
}