chore(functional): add tests for supported fips endpoints (#2931)

Author: trivikr

tests/functional/endpoints/fips/index.spec.ts

@@ -0,0 +1,23 @@
+import { join } from "path";
+
+import testCases from "./test_cases_supported.json";
+
+const getClientPackageName = (sdkId: string) =>
+  `client-${sdkId
+    .split(" ")
+    .map((word) => word.toLowerCase())
+    .join("-")}`;
+
+describe("endpoints.fips", () => {
+  for (const { sdkId, region, signingRegion, hostname } of testCases) {
+    const clientPackageName = getClientPackageName(sdkId);
+    it(`testing "${clientPackageName}" with region: ${region}`, async () => {
+      const { defaultRegionInfoProvider } = await import(
+        join("..", "..", "..", "..", "clients", clientPackageName, "src", "endpoints")
+      );
+      const regionInfo = await defaultRegionInfoProvider(region);
+      expect(regionInfo.signingRegion).toEqual(signingRegion);
+      expect(regionInfo.hostname).toEqual(hostname);
+    });
+  }
+});