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# Licensed under the MIT License.
# NOTE: This test file tests the Test-MergeConflictMarker function which detects Git merge conflict markers.
# IMPORTANT: Do NOT use here-strings or literal conflict markers (e.g., "<<<<<<<", "=======", ">>>>>>>")
# in this file, as they will trigger conflict marker detection in CI pipelines.
# Instead, use string multiplication (e.g., '<' * 7) to dynamically generate these markers at runtime.
Describe "Test-MergeConflictMarker" {
BeforeAll {
# Import the module
Import-Module "$PSScriptRoot/../../tools/ci.psm1" -Force
# Create a temporary test workspace
$script:testWorkspace = Join-Path $TestDrive "workspace"
New-Item -ItemType Directory -Path $script:testWorkspace -Force | Out-Null
# Create temporary output files
$script:testOutputPath = Join-Path $TestDrive "outputs.txt"
$script:testSummaryPath = Join-Path $TestDrive "summary.md"
}
AfterEach {
# Clean up test files after each test
if (Test-Path $script:testWorkspace) {
Get-ChildItem $script:testWorkspace -File -ErrorAction SilentlyContinue | Remove-Item -Force -ErrorAction SilentlyContinue
}
Remove-Item $script:testOutputPath -Force -ErrorAction SilentlyContinue
Remove-Item $script:testSummaryPath -Force -ErrorAction SilentlyContinue
}
Context "When no files are provided" {
It "Should handle empty file array gracefully" {
# The function now accepts empty arrays to handle cases like delete-only PRs
$emptyArray = @()
Test-MergeConflictMarker -File $emptyArray -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath
$outputs = Get-Content $script:testOutputPath
$outputs | Should -Contain "files-checked=0"
$outputs | Should -Contain "conflicts-found=0"
$summary = Get-Content $script:testSummaryPath -Raw
$summary | Should -Match "No Files to Check"
}
}
Context "When files have no conflicts" {
It "Should pass for clean files" {
$testFile = Join-Path $script:testWorkspace "clean.txt"
"This is a clean file" | Out-File $testFile -Encoding utf8
Test-MergeConflictMarker -File @("clean.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath
$outputs = Get-Content $script:testOutputPath
$outputs | Should -Contain "files-checked=1"
$outputs | Should -Contain "conflicts-found=0"
$summary = Get-Content $script:testSummaryPath -Raw
$summary | Should -Match "No Conflicts Found"
}
}
Context "When files have conflict markers" {
It "Should detect <<<<<<< marker" {
$testFile = Join-Path $script:testWorkspace "conflict1.txt"
"Some content`n" + ('<' * 7) + " HEAD`nConflicting content" | Out-File $testFile -Encoding utf8
{ Test-MergeConflictMarker -File @("conflict1.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw
$outputs = Get-Content $script:testOutputPath
$outputs | Should -Contain "files-checked=1"
$outputs | Should -Contain "conflicts-found=1"
}
It "Should detect ======= marker" {
$testFile = Join-Path $script:testWorkspace "conflict2.txt"
"Some content`n" + ('=' * 7) + "`nMore content" | Out-File $testFile -Encoding utf8
{ Test-MergeConflictMarker -File @("conflict2.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw
}
It "Should detect >>>>>>> marker" {
$testFile = Join-Path $script:testWorkspace "conflict3.txt"
"Some content`n" + ('>' * 7) + " branch-name`nMore content" | Out-File $testFile -Encoding utf8
{ Test-MergeConflictMarker -File @("conflict3.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw
}
It "Should detect multiple markers in one file" {
$testFile = Join-Path $script:testWorkspace "conflict4.txt"
$content = "Some content`n" + ('<' * 7) + " HEAD`nContent A`n" + ('=' * 7) + "`nContent B`n" + ('>' * 7) + " branch`nMore content"
$content | Out-File $testFile -Encoding utf8
{ Test-MergeConflictMarker -File @("conflict4.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw
$summary = Get-Content $script:testSummaryPath -Raw
$summary | Should -Match "Conflicts Detected"
$summary | Should -Match "conflict4.txt"
}
It "Should detect conflicts in multiple files" {
$testFile1 = Join-Path $script:testWorkspace "conflict5.txt"
('<' * 7) + " HEAD" | Out-File $testFile1 -Encoding utf8
$testFile2 = Join-Path $script:testWorkspace "conflict6.txt"
('=' * 7) | Out-File $testFile2 -Encoding utf8
{ Test-MergeConflictMarker -File @("conflict5.txt", "conflict6.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw
$outputs = Get-Content $script:testOutputPath
$outputs | Should -Contain "files-checked=2"
$outputs | Should -Contain "conflicts-found=2"
}
}
Context "When markers are not at line start" {
It "Should not detect markers in middle of line" {
$testFile = Join-Path $script:testWorkspace "notconflict.txt"
"This line has <<<<<<< in the middle" | Out-File $testFile -Encoding utf8
Test-MergeConflictMarker -File @("notconflict.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath
$outputs = Get-Content $script:testOutputPath
$outputs | Should -Contain "conflicts-found=0"
}
It "Should not detect markers with wrong number of characters" {
$testFile = Join-Path $script:testWorkspace "wrongcount.txt"
('<' * 6) + " Only 6`n" + ('<' * 8) + " 8 characters" | Out-File $testFile -Encoding utf8
Test-MergeConflictMarker -File @("wrongcount.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath
$outputs = Get-Content $script:testOutputPath
$outputs | Should -Contain "conflicts-found=0"
}
}
Context "When handling special file scenarios" {
It "Should skip non-existent files" {
Test-MergeConflictMarker -File @("nonexistent.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath
$outputs = Get-Content $script:testOutputPath
$outputs | Should -Contain "files-checked=0"
}
It "Should handle absolute paths" {
$testFile = Join-Path $script:testWorkspace "absolute.txt"
"Clean content" | Out-File $testFile -Encoding utf8
Test-MergeConflictMarker -File @($testFile) -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath
$outputs = Get-Content $script:testOutputPath
$outputs | Should -Contain "conflicts-found=0"
}
It "Should handle mixed relative and absolute paths" {
$testFile1 = Join-Path $script:testWorkspace "relative.txt"
"Clean" | Out-File $testFile1 -Encoding utf8
$testFile2 = Join-Path $script:testWorkspace "absolute.txt"
"Clean" | Out-File $testFile2 -Encoding utf8
Test-MergeConflictMarker -File @("relative.txt", $testFile2) -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath
$outputs = Get-Content $script:testOutputPath
$outputs | Should -Contain "files-checked=2"
$outputs | Should -Contain "conflicts-found=0"
}
}
Context "When summary and output generation" {
It "Should generate proper GitHub Actions outputs format" {
$testFile = Join-Path $script:testWorkspace "test.txt"
"Clean file" | Out-File $testFile -Encoding utf8
Test-MergeConflictMarker -File @("test.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath
$outputs = Get-Content $script:testOutputPath
$outputs | Where-Object {$_ -match "^files-checked=\d+$"} | Should -Not -BeNullOrEmpty
$outputs | Where-Object {$_ -match "^conflicts-found=\d+$"} | Should -Not -BeNullOrEmpty
}
It "Should generate markdown summary with conflict details" {
$testFile = Join-Path $script:testWorkspace "marked.txt"
$content = "Line 1`n" + ('<' * 7) + " HEAD`nLine 3`n" + ('=' * 7) + "`nLine 5"
$content | Out-File $testFile -Encoding utf8
{ Test-MergeConflictMarker -File @("marked.txt") -WorkspacePath $script:testWorkspace -OutputPath $script:testOutputPath -SummaryPath $script:testSummaryPath } | Should -Throw
$summary = Get-Content $script:testSummaryPath -Raw
$summary | Should -Match "# Merge Conflict Marker Check Results"
$summary | Should -Match "marked.txt"
$summary | Should -Match "\| Line \| Marker \|"
}
}
}
Describe "Install-CIPester" {
BeforeAll {
# Import the module
Import-Module "$PSScriptRoot/../../tools/ci.psm1" -Force
}
Context "When checking function exists" {
It "Should export Install-CIPester function" {
$function = Get-Command Install-CIPester -ErrorAction SilentlyContinue
$function | Should -Not -BeNullOrEmpty
$function.ModuleName | Should -Be 'ci'
}
It "Should have expected parameters" {
$function = Get-Command Install-CIPester
$function.Parameters.Keys | Should -Contain 'MinimumVersion'
$function.Parameters.Keys | Should -Contain 'MaximumVersion'
$function.Parameters.Keys | Should -Contain 'Force'
}
It "Should accept version parameters" {
$function = Get-Command Install-CIPester
$function.Parameters['MinimumVersion'].ParameterType.Name | Should -Be 'String'
$function.Parameters['MaximumVersion'].ParameterType.Name | Should -Be 'String'
$function.Parameters['Force'].ParameterType.Name | Should -Be 'SwitchParameter'
}
}
Context "When validating real execution" {
# These tests only run in CI where we can safely install/test Pester
It "Should successfully run without errors when Pester exists" {
if (!$env:CI) {
Set-ItResult -Skipped -Because "Test requires CI environment to safely install Pester"
}
{ Install-CIPester -ErrorAction Stop } | Should -Not -Throw
}
It "Should accept custom version parameters" {
if (!$env:CI) {
Set-ItResult -Skipped -Because "Test requires CI environment to safely install Pester"
}
{ Install-CIPester -MinimumVersion '4.0.0' -MaximumVersion '5.99.99' -ErrorAction Stop } | Should -Not -Throw
}
}
}
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