feat: Add Pester tests for label parsing, bump selection, and prerelease sequencing

.github/workflows/Action-Test.yml

@@ -647,3 +647,23 @@ jobs:
               $failed = $true
           }
           if ($failed) { exit 1 }
+
+  Pester-Unit-Tests:
+    name: Pester Unit Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Install PSSemVer
+        shell: pwsh
+        run: |
+          Install-PSResource -Name PSSemVer -Repository PSGallery -TrustRepository
+
+      - name: Run Pester tests
+        uses: PSModule/Invoke-Pester@266d1cf2532f572470b7c4463fa1072f2bfe4455 # v4.2.5
+        with:
+          Run_Path: ./tests
+          Output_Verbosity: Detailed

scripts/Helpers.psm1

@@ -222,23 +222,17 @@ function Resolve-ReleaseDecision {
             $shouldPublish = $false
         }
 
-        $majorRelease = $false
-        $minorRelease = $false
-        $patchRelease = $false
-        $hasVersionBump = $false
-
-        if ($shouldPublish) {
-            $majorRelease = ($labels | Where-Object { $Configuration.MajorLabels -contains $_ }).Count -gt 0
-            $minorRelease = ($labels | Where-Object { $Configuration.MinorLabels -contains $_ }).Count -gt 0 -and -not $majorRelease
-            $patchRelease = (
-                (($labels | Where-Object { $Configuration.PatchLabels -contains $_ }).Count -gt 0) -or $Configuration.AutoPatching
-            ) -and -not $majorRelease -and -not $minorRelease
-
-            $hasVersionBump = $majorRelease -or $minorRelease -or $patchRelease
-            if (-not $hasVersionBump) {
-                Write-Host 'No version bump label found and AutoPatching is disabled. No release will be created.'
-                $shouldPublish = $false
-            }
+        $majorRelease = ($labels | Where-Object { $Configuration.MajorLabels -contains $_ }).Count -gt 0
+        $minorRelease = ($labels | Where-Object { $Configuration.MinorLabels -contains $_ }).Count -gt 0 -and -not $majorRelease
+        $patchRelease = (
+            (($labels | Where-Object { $Configuration.PatchLabels -contains $_ }).Count -gt 0) -or $Configuration.AutoPatching
+        ) -and -not $majorRelease -and -not $minorRelease
+
+        $hasVersionBump = $majorRelease -or $minorRelease -or $patchRelease
+
+        if ($shouldPublish -and -not $hasVersionBump) {
+            Write-Host 'No version bump label found and AutoPatching is disabled. No release will be created.'
+            $shouldPublish = $false
         }
 
         Write-Host '-------------------------------------------------'

scripts/main.ps1

@@ -11,22 +11,18 @@ $config = Get-PublishConfiguration -SettingsJson $actionInput.SettingsJson
 $pullRequest = Get-GitHubPullRequest
 $decision = Resolve-ReleaseDecision -Configuration $config -PullRequest $pullRequest
 
-$newVersion = $null
+$releases = Get-GitHubRelease
+$ghVersion = Get-LatestGitHubVersion -Releases $releases
+$psGalleryVersion = Get-LatestPSGalleryVersion -ModuleName $actionInput.Name
+$latestVersion = Get-LatestPublishedVersion -GitHubVersion $ghVersion -PSGalleryVersion $psGalleryVersion
 
-if ($decision.ShouldPublish) {
-    $releases = Get-GitHubRelease
-    $ghVersion = Get-LatestGitHubVersion -Releases $releases
-    $psGalleryVersion = Get-LatestPSGalleryVersion -ModuleName $actionInput.Name
-    $latestVersion = Get-LatestPublishedVersion -GitHubVersion $ghVersion -PSGalleryVersion $psGalleryVersion
-
-    $params = @{
-        LatestVersion = $latestVersion
-        Decision      = $decision
-        Configuration = $config
-        ModuleName    = $actionInput.Name
-        Releases      = $releases
-    }
-    $newVersion = Get-NextModuleVersion @params
+$params = @{
+    LatestVersion = $latestVersion
+    Decision      = $decision
+    Configuration = $config
+    ModuleName    = $actionInput.Name
+    Releases      = $releases
 }
+$newVersion = Get-NextModuleVersion @params
 
 Write-ActionOutput -Decision $decision -NewVersion $newVersion