Auto-update ms.date in docs-mslearn on PR changes

.github/workflows/update-mslearn-dates.yml

@@ -0,0 +1,69 @@
+name: Update ms.date in docs-mslearn
+
+on:
+  pull_request:
+    paths:
+      - 'docs-mslearn/**/*.md'
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  update-dates:
+    name: Update ms.date in changed markdown files
+    runs-on: ubuntu-latest
+    # Only run on PRs from the same repo (not forks) to allow pushing
+    if: github.event.pull_request.head.repo.full_name == github.repository
+    steps:
+      - name: Checkout PR branch
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+          fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Get changed markdown files
+        id: changed-files
+        uses: tj-actions/changed-files@v44
+        with:
+          files: 'docs-mslearn/**/*.md'
+
+      - name: Update ms.date in changed files
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: |
+          # Get current date in MM/DD/YYYY format
+          CURRENT_DATE=$(date +'%m/%d/%Y')
+          echo "Updating ms.date to: $CURRENT_DATE"
+
+          # Process each changed markdown file
+          for file in ${{ steps.changed-files.outputs.all_changed_files }}; do
+            echo "Processing: $file"
+
+            # Check if file has ms.date in frontmatter and update it
+            if grep -q "^ms\.date:" "$file"; then
+              # Use sed to replace the ms.date line
+              sed -i "s/^ms\.date:.*$/ms.date: $CURRENT_DATE/" "$file"
+              echo "  Updated ms.date in $file"
+            else
+              echo "  No ms.date found in $file, skipping"
+            fi
+          done
+
+      - name: Check for changes
+        id: check-changes
+        run: |
+          if git diff --quiet; then
+            echo "has_changes=false" >> $GITHUB_OUTPUT
+          else
+            echo "has_changes=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Commit and push changes
+        if: steps.check-changes.outputs.has_changes == 'true'
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          git add docs-mslearn/**/*.md
+          git commit -m "chore: Update ms.date in docs-mslearn files"
+          git push

src/powershell/Tests/Lint/MsLearnDocs.Tests.ps1

@@ -0,0 +1,104 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+BeforeDiscovery {
+    $docsPath = Join-Path (Get-Item -Path $PSScriptRoot).Parent.Parent.Parent.Parent.FullName 'docs-mslearn'
+    $markdownFiles = Get-ChildItem -Path $docsPath -Recurse -Filter '*.md' -File
+}
+
+Describe 'Microsoft Learn docs - [<_.Name>]' -ForEach $markdownFiles {
+    BeforeAll {
+        $file = $_
+        $content = Get-Content -Path $file.FullName -Raw
+
+        # Extract frontmatter (content between first pair of ---)
+        $frontmatterMatch = [regex]::Match($content, '^---\r?\n([\s\S]*?)\r?\n---')
+        $hasFrontmatter = $frontmatterMatch.Success
+        $frontmatter = if ($hasFrontmatter) { $frontmatterMatch.Groups[1].Value } else { '' }
+
+        # Extract ms.date value
+        $msDateMatch = [regex]::Match($frontmatter, '^ms\.date:\s*(.+)$', [System.Text.RegularExpressions.RegexOptions]::Multiline)
+        $hasMsDate = $msDateMatch.Success
+        $msDateValue = if ($hasMsDate) { $msDateMatch.Groups[1].Value.Trim() } else { '' }
+
+        # Helper function to parse date
+        function Test-MsDateValid {
+            param([string]$DateString)
+            try {
+                $null = [datetime]::ParseExact($DateString, 'MM/dd/yyyy', [System.Globalization.CultureInfo]::InvariantCulture)
+                return $true
+            } catch {
+                return $false
+            }
+        }
+
+        function Get-MsDateParsed {
+            param([string]$DateString)
+            try {
+                return [datetime]::ParseExact($DateString, 'MM/dd/yyyy', [System.Globalization.CultureInfo]::InvariantCulture)
+            } catch {
+                return $null
+            }
+        }
+    }
+
+    It 'Should have YAML frontmatter' {
+        $hasFrontmatter | Should -BeTrue -Because "Microsoft Learn docs require YAML frontmatter"
+    }
+
+    It 'Should have ms.date field' {
+        $hasMsDate | Should -BeTrue -Because "Microsoft Learn docs require an ms.date field in frontmatter"
+    }
+
+    It 'Should have ms.date in MM/DD/YYYY format' {
+        if (-not $hasMsDate) {
+            Set-ItResult -Skipped -Because "ms.date field is missing"
+            return
+        }
+
+        # Validate format: MM/DD/YYYY
+        $msDateValue | Should -Match '^\d{2}/\d{2}/\d{4}$' -Because "ms.date must be in MM/DD/YYYY format (found: $msDateValue)"
+    }
+
+    It 'Should have a valid ms.date value' {
+        if (-not $hasMsDate) {
+            Set-ItResult -Skipped -Because "ms.date field is missing"
+            return
+        }
+
+        # Try to parse the date
+        $isValidDate = Test-MsDateValid -DateString $msDateValue
+        $isValidDate | Should -BeTrue -Because "ms.date must be a valid date (found: $msDateValue)"
+    }
+
+    It 'Should not have ms.date in the future' {
+        if (-not $hasMsDate) {
+            Set-ItResult -Skipped -Because "ms.date field is missing"
+            return
+        }
+
+        $parsedDate = Get-MsDateParsed -DateString $msDateValue
+        if (-not $parsedDate) {
+            Set-ItResult -Skipped -Because "ms.date is not a valid date"
+            return
+        }
+
+        $parsedDate | Should -BeLessOrEqual (Get-Date) -Because "ms.date should not be in the future"
+    }
+
+    It 'Should have ms.date within reasonable range (after 2020)' {
+        if (-not $hasMsDate) {
+            Set-ItResult -Skipped -Because "ms.date field is missing"
+            return
+        }
+
+        $parsedDate = Get-MsDateParsed -DateString $msDateValue
+        if (-not $parsedDate) {
+            Set-ItResult -Skipped -Because "ms.date is not a valid date"
+            return
+        }
+
+        $minDate = [datetime]::new(2020, 1, 1)
+        $parsedDate | Should -BeGreaterOrEqual $minDate -Because "ms.date seems too old (FinOps toolkit started in 2020)"
+    }
+}

src/powershell/Tests/Unit/Action.UpdateMsLearnDates.Tests.ps1

@@ -0,0 +1,130 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+Describe 'update-mslearn-dates GitHub Action' {
+    BeforeAll {
+        $workflowPath = Join-Path (Get-Item -Path $PSScriptRoot).Parent.Parent.Parent.Parent.FullName '.github/workflows/update-mslearn-dates.yml'
+        $workflowContent = Get-Content -Path $workflowPath -Raw
+    }
+
+    Context 'Workflow file structure' {
+        It 'Should exist' {
+            Test-Path $workflowPath | Should -BeTrue
+        }
+
+        It 'Should have a name' {
+            $workflowContent | Should -Match '^name:\s*.+'
+        }
+    }
+
+    Context 'Trigger configuration' {
+        It 'Should trigger on pull_request' {
+            $workflowContent | Should -Match 'on:\s*\r?\n\s+pull_request:'
+        }
+
+        It 'Should only trigger for docs-mslearn markdown files' {
+            $workflowContent | Should -Match "paths:\s*\r?\n\s+- 'docs-mslearn/\*\*/\*\.md'"
+        }
+
+        It 'Should not trigger on push events' {
+            # Ensure there's no 'push:' trigger at the top level
+            $workflowContent | Should -Not -Match 'on:\s*\r?\n\s+push:'
+        }
+    }
+
+    Context 'Permissions' {
+        It 'Should have contents write permission' {
+            $workflowContent | Should -Match 'contents:\s*write'
+        }
+
+        It 'Should have pull-requests write permission' {
+            $workflowContent | Should -Match 'pull-requests:\s*write'
+        }
+    }
+
+    Context 'Job configuration' {
+        It 'Should have update-dates job' {
+            $workflowContent | Should -Match 'jobs:\s*\r?\n\s+update-dates:'
+        }
+
+        It 'Should run on ubuntu-latest' {
+            $workflowContent | Should -Match 'runs-on:\s*ubuntu-latest'
+        }
+
+        It 'Should have fork protection condition' {
+            $workflowContent | Should -Match 'if:\s*github\.event\.pull_request\.head\.repo\.full_name\s*==\s*github\.repository'
+        }
+    }
+
+    Context 'Workflow steps' {
+        It 'Should checkout the PR branch' {
+            $workflowContent | Should -Match 'uses:\s*actions/checkout@v\d+'
+            $workflowContent | Should -Match 'ref:\s*\$\{\{\s*github\.head_ref\s*\}\}'
+        }
+
+        It 'Should use changed-files action' {
+            $workflowContent | Should -Match 'uses:\s*tj-actions/changed-files@v\d+'
+        }
+
+        It 'Should filter changed-files to docs-mslearn markdown' {
+            $workflowContent | Should -Match "files:\s*'docs-mslearn/\*\*/\*\.md'"
+        }
+
+        It 'Should have step to update ms.date' {
+            $workflowContent | Should -Match 'name:\s*Update ms\.date'
+        }
+
+        It 'Should use correct date format (MM/DD/YYYY)' {
+            $workflowContent | Should -Match "date \+'%m/%d/%Y'"
+        }
+
+        It 'Should use sed to replace ms.date line' {
+            $workflowContent | Should -Match 'sed -i'
+            $workflowContent | Should -Match 's/\^ms\\\.date:'
+        }
+
+        It 'Should have step to check for changes before committing' {
+            $workflowContent | Should -Match 'name:\s*Check for changes'
+            $workflowContent | Should -Match 'git diff --quiet'
+        }
+
+        It 'Should have step to commit and push' {
+            $workflowContent | Should -Match 'name:\s*Commit and push'
+        }
+
+        It 'Should only commit when there are changes' {
+            $workflowContent | Should -Match "if:\s*steps\.check-changes\.outputs\.has_changes\s*==\s*'true'"
+        }
+
+        It 'Should use github-actions bot for commits' {
+            $workflowContent | Should -Match 'github-actions\[bot\]@users\.noreply\.github\.com'
+            $workflowContent | Should -Match 'user\.name.*github-actions\[bot\]'
+        }
+
+        It 'Should use conventional commit format' {
+            $workflowContent | Should -Match 'git commit -m.*chore:'
+        }
+    }
+
+    Context 'Sed command validation' {
+        It 'Should have correct sed regex to match ms.date at line start' {
+            # The sed command should use ^ to anchor to start of line
+            $workflowContent | Should -Match 's/\^ms\\\.date:\.\*\$/ms\.date:'
+        }
+
+        It 'Should replace entire ms.date line' {
+            # Pattern should end with .* to match rest of line
+            $workflowContent | Should -Match 'ms\\\.date:\.\*\$'
+        }
+    }
+
+    Context 'Security considerations' {
+        It 'Should use GITHUB_TOKEN for checkout' {
+            $workflowContent | Should -Match 'token:\s*\$\{\{\s*secrets\.GITHUB_TOKEN\s*\}\}'
+        }
+
+        It 'Should only add docs-mslearn files to commit' {
+            $workflowContent | Should -Match 'git add docs-mslearn/'
+        }
+    }
+}

src/scripts/Test-PowerShell.ps1

@@ -32,6 +32,9 @@
     .PARAMETER Toolkit
     Optional. Indicates whether to run FinOps toolkit tests.
 
+    .PARAMETER Actions
+    Optional. Indicates whether to run GitHub Actions tests.
+
     .PARAMETER Private
     Optional. Indicates whether to run private tests. Default = false.
 
@@ -70,6 +73,9 @@ param (
     [switch]
     $Toolkit,
 
+    [switch]
+    $Actions,
+
     [switch]
     $Private,
 
@@ -119,6 +125,7 @@ else
     if ($FOCUS) { $testsToRun += '*-FinOpsSchema*', 'FOCUS.Tests.ps1' }
     if ($Hubs) { $testsToRun += '*-FinOpsHub*', '*-Hub*', 'Hubs.Tests.ps1' }
     if ($Toolkit) { $testsToRun += 'Toolkit.Tests.ps1', '*-FinOpsToolkit*' }
+    if ($Actions) { $testsToRun += 'Action.*.Tests.ps1' }
     if ($Private) { $testsToRun += (Get-ChildItem -Path "$PSScriptRoot/../powershell/Tests/$testType/Unit" -Exclude *-FinOps*, *-Hub*, *-OpenData* -Name *.Tests.ps1) }
     if (-not $testsToRun) { $testsToRun = "*" }