[devops] Skip macOS test results when neither macOS nor Mac Catalyst is enabled.

tools/devops/automation/scripts/TestConfiguration.Tests.ps1

@@ -335,4 +335,75 @@ Describe 'Get-TestConfiguration' {
 "@
   }
 
+  Context 'macOS tests excluded when platforms disabled' {
+    It "excludes mac tests when neither macOS nor MacCatalyst is enabled" {
+      $macTestConfigs = @"
+[
+  {
+    "label": "cecil",
+    "splitByPlatforms": "false",
+    "testPrefix": "simulator_tests"
+  },
+  {
+    "label": "mac_monterey",
+    "displayName": "Tests on macOS Monterey (12)",
+    "splitByPlatforms": "false",
+    "testPrefix": "mac_12_m1",
+    "testStage": "mac_12_m1",
+    "isMacTest": true
+  }
+]
+"@
+      $supportedPlatforms = @"
+[
+  { "platform": "iOS" },
+  { "platform": "tvOS" }
+]
+"@
+      # Only tvOS enabled — no macOS or MacCatalyst
+      $result = Get-TestConfiguration `
+        -TestConfigurations $macTestConfigs `
+        -SupportedPlatforms $supportedPlatforms `
+        -EnabledPlatforms "tvOS" `
+        -TestsLabels "test-labels" `
+        -StatusContext "ctx" `
+        -StageFilter ""
+
+      $parsed = $result | ConvertFrom-Json
+      # cecil should be present, mac_monterey should not
+      $parsed.cecil | Should -Not -BeNullOrEmpty
+      $parsed.PSObject.Properties.Name | Should -Not -Contain "mac_monterey"
+    }
+
+    It "includes mac tests when macOS is enabled" {
+      $macTestConfigs = @"
+[
+  {
+    "label": "mac_monterey",
+    "displayName": "Tests on macOS Monterey (12)",
+    "splitByPlatforms": "false",
+    "testPrefix": "mac_12_m1",
+    "testStage": "mac_12_m1",
+    "isMacTest": true
+  }
+]
+"@
+      $supportedPlatforms = @"
+[
+  { "platform": "macOS" }
+]
+"@
+      $result = Get-TestConfiguration `
+        -TestConfigurations $macTestConfigs `
+        -SupportedPlatforms $supportedPlatforms `
+        -EnabledPlatforms "macOS" `
+        -TestsLabels "test-labels" `
+        -StatusContext "ctx" `
+        -StageFilter ""
+
+      $parsed = $result | ConvertFrom-Json
+      $parsed.mac_monterey | Should -Not -BeNullOrEmpty
+    }
+  }
+
 }

tools/devops/automation/scripts/TestConfiguration.psm1

@@ -42,6 +42,15 @@ class TestConfiguration {
                 Write-Host "Test $label with testStage '$testStage' is included, because there's no stage filter set"
             }
 
+            # Skip macOS tests if neither macOS nor MacCatalyst platforms are enabled
+            if ($config.isMacTest -eq "true" -or $config.isMacTest -eq $true) {
+                $hasMacPlatform = ($this.enabledPlatforms -contains "macOS") -or ($this.enabledPlatforms -contains "MacCatalyst")
+                if (-not $hasMacPlatform) {
+                    Write-Host "Skipping mac test $label - neither macOS nor MacCatalyst platforms are enabled"
+                    continue
+                }
+            }
+
             $vars = [ordered]@{}
             # set common variables
             $vars["LABEL"] = $label

tools/devops/automation/templates/mac/stage.yml

@@ -58,7 +58,7 @@ stages:
   dependsOn:
   - build_macos_tests
   - configure_build
-  condition: and(succeeded(), eq(stageDependencies.configure_build.outputs['configure.decisions.RUN_MAC_TESTS'], 'true'))
+  condition: and(succeeded(), eq(dependencies.configure_build.outputs['configure.decisions.RUN_MAC_TESTS'], 'true'))
   variables:
     GITHUB_FAILURE_COMMENT_FILE: $(System.DefaultWorkingDirectory)/github-comment-file.md