From 0218463e977eba4477ac5e0353ec60b043f45550 Mon Sep 17 00:00:00 2001
From: Ian Hou <45278651+iankhou@users.noreply.github.com>
Date: Mon, 26 Oct 2026 15:51:58 -0400
Subject: [PATCH 1/2] fix: limit SAR application test to regions that have SAR
 enabled, flyby simplification for docker asset test

---
 .../@aws-cdk-testing/cli-integ/lib/regions.ts | 22 ++++++++++++++++++-
 ...loy-docker-asset-multi-region.integtest.ts |  3 +--
 ...rl-change-for-sar-application.integtest.ts |  3 ++-
 3 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/packages/@aws-cdk-testing/cli-integ/lib/regions.ts b/packages/@aws-cdk-testing/cli-integ/lib/regions.ts
index 37af0a9b9..a3a810a34 100644
--- a/packages/@aws-cdk-testing/cli-integ/lib/regions.ts
+++ b/packages/@aws-cdk-testing/cli-integ/lib/regions.ts
@@ -43,7 +43,7 @@ export function allBut(exclude: string[]): string[] {
 }
 
 /**
- * Regions that don't support CloudFormation Stack Refactoring
+ * Regions that support CloudFormation Stack Refactoring
  */
 export const STACK_REFACTORING_REGIONS = allBut([
   'ap-southeast-5',
@@ -51,3 +51,23 @@ export const STACK_REFACTORING_REGIONS = allBut([
   'mx-central-1',
 ]);
 
+/**
+ * Regions that support the Serverless Application Repository
+ *
+ * @see https://docs.aws.amazon.com/general/latest/gr/serverlessrepo.html
+ */
+export const SAR_REGIONS = allBut([
+  'ap-northeast-3',
+  'af-south-1',
+  'ap-south-2',
+  'ap-southeast-3',
+  'ap-southeast-4',
+  'ap-southeast-5',
+  'ap-southeast-7',
+  'eu-central-2',
+  'eu-south-1',
+  'eu-south-2',
+  'il-central-1',
+  'ca-west-1',
+  'mx-central-1',
+]);
diff --git a/packages/@aws-cdk-testing/cli-integ/tests/cli-integ-tests/deploy/cdk-deploy-docker-asset-multi-region.integtest.ts b/packages/@aws-cdk-testing/cli-integ/tests/cli-integ-tests/deploy/cdk-deploy-docker-asset-multi-region.integtest.ts
index ab811b9c0..be6a499a8 100644
--- a/packages/@aws-cdk-testing/cli-integ/tests/cli-integ-tests/deploy/cdk-deploy-docker-asset-multi-region.integtest.ts
+++ b/packages/@aws-cdk-testing/cli-integ/tests/cli-integ-tests/deploy/cdk-deploy-docker-asset-multi-region.integtest.ts
@@ -4,8 +4,7 @@ integTest(
   'deploy same docker asset to multiple regions',
   withDefaultFixture(async (fixture) => {
     const primaryRegion = fixture.aws.region;
-    const availableRegions = (process.env.AWS_REGIONS ?? 'us-east-1,us-west-2').split(',');
-    const secondaryRegion = availableRegions.find((r) => r !== primaryRegion) ?? 'us-west-2';
+    const secondaryRegion = ['us-east-1', 'us-west-2'].find((r) => r !== primaryRegion)!;
 
     // Bootstrap the secondary region (with the same random qualifier the app
     // is synthesized with, and a unique stack name to avoid clashing with
diff --git a/packages/@aws-cdk-testing/cli-integ/tests/cli-integ-tests/diff/cdk-diff---method-change-set-does-not-show-templateurl-change-for-sar-application.integtest.ts b/packages/@aws-cdk-testing/cli-integ/tests/cli-integ-tests/diff/cdk-diff---method-change-set-does-not-show-templateurl-change-for-sar-application.integtest.ts
index ad5550e94..941854cf3 100644
--- a/packages/@aws-cdk-testing/cli-integ/tests/cli-integ-tests/diff/cdk-diff---method-change-set-does-not-show-templateurl-change-for-sar-application.integtest.ts
+++ b/packages/@aws-cdk-testing/cli-integ/tests/cli-integ-tests/diff/cdk-diff---method-change-set-does-not-show-templateurl-change-for-sar-application.integtest.ts
@@ -1,4 +1,5 @@
 import { integTest, withSpecificFixture } from '../../../lib';
+import { SAR_REGIONS } from '../../../lib/regions';
 
 /**
  * Regression test for https://github.com/aws/aws-cdk-cli/issues/2025
@@ -21,5 +22,5 @@ integTest(
     // THEN
     expect(diff).not.toContain('TemplateURL');
     expect(diff).toContain('There were no differences');
-  }),
+  }, { aws: { regions: SAR_REGIONS } }),
 );

From 37b1126e7c85a85687e6da663b499fd875444ad0 Mon Sep 17 00:00:00 2001
From: Ian Hou <45278651+iankhou@users.noreply.github.com>
Date: Mon, 26 Oct 2026 16:25:57 -0400
Subject: [PATCH 2/2] comment changes

---
 packages/@aws-cdk-testing/cli-integ/lib/regions.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/@aws-cdk-testing/cli-integ/lib/regions.ts b/packages/@aws-cdk-testing/cli-integ/lib/regions.ts
index a3a810a34..323b9e8be 100644
--- a/packages/@aws-cdk-testing/cli-integ/lib/regions.ts
+++ b/packages/@aws-cdk-testing/cli-integ/lib/regions.ts
@@ -46,6 +46,7 @@ export function allBut(exclude: string[]): string[] {
  * Regions that support CloudFormation Stack Refactoring
  */
 export const STACK_REFACTORING_REGIONS = allBut([
+  // Unsupported regions
   'ap-southeast-5',
   'ap-southeast-7',
   'mx-central-1',
@@ -57,6 +58,7 @@ export const STACK_REFACTORING_REGIONS = allBut([
  * @see https://docs.aws.amazon.com/general/latest/gr/serverlessrepo.html
  */
 export const SAR_REGIONS = allBut([
+  // Unsupported regions
   'ap-northeast-3',
   'af-south-1',
   'ap-south-2',