test: accesspoint ARN with dualstack enabled

Author: trivikr

packages/middleware-bucket-endpoint/src/bucketHostname.spec.ts

@@ -188,20 +188,24 @@ describe("bucketHostname", () => {
 
   describe("from Access Point ARN", () => {
     describe("populates access point endpoint from ARN", () => {
-      const s3Hostname = "s3.us-west-2.amazonaws.com";
       const customHostname = "example.com";
 
-      describe(`baseHostname: ${s3Hostname}`, () => {
-        const baseHostname = s3Hostname;
+      describe.each([
+        ["s3.us-west-2.amazonaws.com", false],
+        ["s3.dualstack.us-west-2.amazonaws.com", true],
+      ])(`baseHostname: %s, dualstackEndpoint: %s`, (baseHostname, dualstackEndpoint) => {
         it("should use client region", () => {
           const { bucketEndpoint, hostname } = bucketHostname({
             bucketName: parseArn("arn:aws:s3:us-west-2:123456789012:accesspoint:myendpoint"),
             baseHostname,
             isCustomEndpoint: false,
             clientRegion: region,
+            dualstackEndpoint,
           });
           expect(bucketEndpoint).toBe(true);
-          expect(hostname).toBe("myendpoint-123456789012.s3-accesspoint.us-west-2.amazonaws.com");
+          expect(hostname).toBe(
+            `myendpoint-123456789012.s3-accesspoint${dualstackEndpoint ? ".dualstack" : ""}.us-west-2.amazonaws.com`
+          );
         });
 
         it("should use ARN region", () => {
@@ -211,9 +215,12 @@ describe("bucketHostname", () => {
             isCustomEndpoint: false,
             clientRegion: region,
             useArnRegion: true,
+            dualstackEndpoint,
           });
           expect(bucketEndpoint).toBe(true);
-          expect(hostname).toBe("myendpoint-123456789012.s3-accesspoint.us-east-1.amazonaws.com");
+          expect(hostname).toBe(
+            `myendpoint-123456789012.s3-accesspoint${dualstackEndpoint ? ".dualstack" : ""}.us-east-1.amazonaws.com`
+          );
         });
       });