Describe 'Generate-PrReference.ps1' {
    BeforeAll {
        . $PSScriptRoot/../../dev-tools/Generate-PrReference.ps1
    }

    Context 'Git Integration' {
        BeforeEach {
            Mock git {
                switch ($args[0]) {
                    'log' { return 'abc123 feat: add feature' }
                    'branch' { return '* main' }
                    'remote' { return 'origin' }
                }
            }
        }

        It 'Should generate PR reference from commits' {
            $result = New-PrReference -Branch 'feature/test'
            $result | Should -Not -BeNullOrEmpty
        }
    }
}

Describe 'Package-Extension.ps1' {
    Context 'VSCE Integration' {
        BeforeEach {
            Mock Test-Path { return $true }
            Mock vsce { return 'Packaged: extension-1.0.0.vsix' }
        }

        It 'Should invoke vsce package command' {
            Invoke-PackageExtension -OutputPath './dist'
            Should -Invoke vsce -Times 1
        }
    }

    Context 'Validation' {
        It 'Should fail if package.json missing' {
            Mock Test-Path { return $false } -ParameterFilter { 
                $Path -match 'package.json' 
            }
            { Invoke-PackageExtension } | Should -Throw '*package.json*'
        }
    }
}

Describe 'Get-VerifiedDownload.ps1' {
    Context 'Checksum Validation' {
        BeforeEach {
            Mock Invoke-WebRequest {
                return @{ Content = [byte[]]@(1,2,3,4) }
            }
            Mock Get-FileHash {
                return @{ Hash = 'ABC123' }
            }
        }

        It 'Should verify downloaded file hash' {
            $result = Get-VerifiedDownload -Url 'https://example.com/file' `
                -ExpectedHash 'ABC123'
            $result.Verified | Should -BeTrue
        }

        It 'Should fail on hash mismatch' {
            $result = Get-VerifiedDownload -Url 'https://example.com/file' `
                -ExpectedHash 'WRONG'
            $result.Verified | Should -BeFalse
        }
    }
}