MegaBites-AI/Windows-powershell

1# Copyright (c) Microsoft Corporation.2# Licensed under the MIT License.3 4# NOTE: This test file tests the Test-MergeConflictMarker function which detects Git merge conflict markers.5# IMPORTANT: Do NOT use here-strings or literal conflict markers (e.g., "<<<<<<<", "=======", ">>>>>>>")6# in this file, as they will trigger conflict marker detection in CI pipelines.7# Instead, use string multiplication (e.g., '<' * 7) to dynamically generate these markers at runtime.8 9Describe "Test-MergeConflictMarker" {10    BeforeAll {11        # Import the module12        Import-Module "$PSScriptRoot/../../tools/ci.psm1" -Force13 14        # Create a temporary test workspace15        $script:testWorkspace = Join-Path $TestDrive "workspace"16        New-Item -ItemType Directory -Path $script:testWorkspace -Force | Out-Null17 18        # Create temporary output files19        $script:testOutputPath = Join-Path $TestDrive "outputs.txt"20        $script:testSummaryPath = Join-Path $TestDrive "summary.md"21    }22 23    AfterEach {24        # Clean up test files after each test25        if (Test-Path $script:testWorkspace) {26            Get-ChildItem $script:testWorkspace -File -ErrorAction SilentlyContinue | Remove-Item -Force -ErrorAction SilentlyContinue27        }28        Remove-Item $script:testOutputPath -Force -ErrorAction SilentlyContinue29        Remove-Item $script:testSummaryPath -Force -ErrorAction SilentlyContinue30    }31 32    Context "When no files are provided" {33        It "Should handle empty file array gracefully" {34            # The function now accepts empty arrays to handle cases like delete-only PRs35            $emptyArray = @()36            Test-MergeConflictMarker -File $emptyArray -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath37            38            $outputs = Get-Content $script:testOutputPath39            $outputs | Should -Contain "files-checked=0"40            $outputs | Should -Contain "conflicts-found=0"41            42            $summary = Get-Content $script:testSummaryPath -Raw43            $summary | Should -Match "No Files to Check"44        }45    }46 47    Context "When files have no conflicts" {48        It "Should pass for clean files" {49            $testFile = Join-Path $script:testWorkspace "clean.txt"50            "This is a clean file" | Out-File $testFile -Encoding utf851 52            Test-MergeConflictMarker -File @("clean.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath53 54            $outputs = Get-Content $script:testOutputPath55            $outputs | Should -Contain "files-checked=1"56            $outputs | Should -Contain "conflicts-found=0"57 58            $summary = Get-Content $script:testSummaryPath -Raw59            $summary | Should -Match "No Conflicts Found"60        }61    }62 63    Context "When files have conflict markers" {64        It "Should detect <<<<<<< marker" {65            $testFile = Join-Path $script:testWorkspace "conflict1.txt"66            "Some content`n" + ('<' * 7) + " HEAD`nConflicting content" | Out-File $testFile -Encoding utf867 68            { Test-MergeConflictMarker -File @("conflict1.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw69 70            $outputs = Get-Content $script:testOutputPath71            $outputs | Should -Contain "files-checked=1"72            $outputs | Should -Contain "conflicts-found=1"73        }74 75        It "Should detect ======= marker" {76            $testFile = Join-Path $script:testWorkspace "conflict2.txt"77            "Some content`n" + ('=' * 7) + "`nMore content" | Out-File $testFile -Encoding utf878 79            { Test-MergeConflictMarker -File @("conflict2.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw80        }81 82        It "Should detect >>>>>>> marker" {83            $testFile = Join-Path $script:testWorkspace "conflict3.txt"84            "Some content`n" + ('>' * 7) + " branch-name`nMore content" | Out-File $testFile -Encoding utf885 86            { Test-MergeConflictMarker -File @("conflict3.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw87        }88 89        It "Should detect multiple markers in one file" {90            $testFile = Join-Path $script:testWorkspace "conflict4.txt"91            $content = "Some content`n" + ('<' * 7) + " HEAD`nContent A`n" + ('=' * 7) + "`nContent B`n" + ('>' * 7) + " branch`nMore content"92            $content | Out-File $testFile -Encoding utf893 94            { Test-MergeConflictMarker -File @("conflict4.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw95 96            $summary = Get-Content $script:testSummaryPath -Raw97            $summary | Should -Match "Conflicts Detected"98            $summary | Should -Match "conflict4.txt"99        }100 101        It "Should detect conflicts in multiple files" {102            $testFile1 = Join-Path $script:testWorkspace "conflict5.txt"103            ('<' * 7) + " HEAD" | Out-File $testFile1 -Encoding utf8104 105            $testFile2 = Join-Path $script:testWorkspace "conflict6.txt"106            ('=' * 7) | Out-File $testFile2 -Encoding utf8107 108            { Test-MergeConflictMarker -File @("conflict5.txt", "conflict6.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw109 110            $outputs = Get-Content $script:testOutputPath111            $outputs | Should -Contain "files-checked=2"112            $outputs | Should -Contain "conflicts-found=2"113        }114    }115 116    Context "When markers are not at line start" {117        It "Should not detect markers in middle of line" {118            $testFile = Join-Path $script:testWorkspace "notconflict.txt"119            "This line has <<<<<<< in the middle" | Out-File $testFile -Encoding utf8120 121            Test-MergeConflictMarker -File @("notconflict.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath122 123            $outputs = Get-Content $script:testOutputPath124            $outputs | Should -Contain "conflicts-found=0"125        }126 127        It "Should not detect markers with wrong number of characters" {128            $testFile = Join-Path $script:testWorkspace "wrongcount.txt"129            ('<' * 6) + " Only 6`n" + ('<' * 8) + " 8 characters" | Out-File $testFile -Encoding utf8130 131            Test-MergeConflictMarker -File @("wrongcount.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath132 133            $outputs = Get-Content $script:testOutputPath134            $outputs | Should -Contain "conflicts-found=0"135        }136    }137 138    Context "When handling special file scenarios" {139        It "Should skip non-existent files" {140            Test-MergeConflictMarker -File @("nonexistent.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath141 142            $outputs = Get-Content $script:testOutputPath143            $outputs | Should -Contain "files-checked=0"144        }145 146        It "Should handle absolute paths" {147            $testFile = Join-Path $script:testWorkspace "absolute.txt"148            "Clean content" | Out-File $testFile -Encoding utf8149 150            Test-MergeConflictMarker -File @($testFile) -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath151 152            $outputs = Get-Content $script:testOutputPath153            $outputs | Should -Contain "conflicts-found=0"154        }155 156        It "Should handle mixed relative and absolute paths" {157            $testFile1 = Join-Path $script:testWorkspace "relative.txt"158            "Clean" | Out-File $testFile1 -Encoding utf8159 160            $testFile2 = Join-Path $script:testWorkspace "absolute.txt"161            "Clean" | Out-File $testFile2 -Encoding utf8162 163            Test-MergeConflictMarker -File @("relative.txt", $testFile2) -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath164 165            $outputs = Get-Content $script:testOutputPath166            $outputs | Should -Contain "files-checked=2"167            $outputs | Should -Contain "conflicts-found=0"168        }169    }170 171    Context "When summary and output generation" {172        It "Should generate proper GitHub Actions outputs format" {173            $testFile = Join-Path $script:testWorkspace "test.txt"174            "Clean file" | Out-File $testFile -Encoding utf8175 176            Test-MergeConflictMarker -File @("test.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath177 178            $outputs = Get-Content $script:testOutputPath179            $outputs | Where-Object {$_ -match "^files-checked=\d+$"} | Should -Not -BeNullOrEmpty180            $outputs | Where-Object {$_ -match "^conflicts-found=\d+$"} | Should -Not -BeNullOrEmpty181        }182 183        It "Should generate markdown summary with conflict details" {184            $testFile = Join-Path $script:testWorkspace "marked.txt"185            $content = "Line 1`n" + ('<' * 7) + " HEAD`nLine 3`n" + ('=' * 7) + "`nLine 5"186            $content | Out-File $testFile -Encoding utf8187 188            { Test-MergeConflictMarker -File @("marked.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw189 190            $summary = Get-Content $script:testSummaryPath -Raw191            $summary | Should -Match "# Merge Conflict Marker Check Results"192            $summary | Should -Match "marked.txt"193            $summary | Should -Match "\| Line \| Marker \|"194        }195    }196}197 198Describe "Install-CIPester" {199    BeforeAll {200        # Import the module201        Import-Module "$PSScriptRoot/../../tools/ci.psm1" -Force202    }203 204    Context "When checking function exists" {205        It "Should export Install-CIPester function" {206            $function = Get-Command Install-CIPester -ErrorAction SilentlyContinue207            $function | Should -Not -BeNullOrEmpty208            $function.ModuleName | Should -Be 'ci'209        }210 211        It "Should have expected parameters" {212            $function = Get-Command Install-CIPester213            $function.Parameters.Keys | Should -Contain 'MinimumVersion'214            $function.Parameters.Keys | Should -Contain 'MaximumVersion'215            $function.Parameters.Keys | Should -Contain 'Force'216        }217 218        It "Should accept version parameters" {219            $function = Get-Command Install-CIPester220            $function.Parameters['MinimumVersion'].ParameterType.Name | Should -Be 'String'221            $function.Parameters['MaximumVersion'].ParameterType.Name | Should -Be 'String'222            $function.Parameters['Force'].ParameterType.Name | Should -Be 'SwitchParameter'223        }224    }225 226    Context "When validating real execution" {227        # These tests only run in CI where we can safely install/test Pester228 229        It "Should successfully run without errors when Pester exists" {230            if (!$env:CI) {231                Set-ItResult -Skipped -Because "Test requires CI environment to safely install Pester"232            }233 234            { Install-CIPester -ErrorAction Stop } | Should -Not -Throw235        }236 237        It "Should accept custom version parameters" {238            if (!$env:CI) {239                Set-ItResult -Skipped -Because "Test requires CI environment to safely install Pester"240            }241 242            { Install-CIPester -MinimumVersion '4.0.0' -MaximumVersion '5.99.99' -ErrorAction Stop } | Should -Not -Throw243        }244    }245}246 247