feat(tests): add test for explicit AWS env values in local DynamoDB configuration

Author: m-houston

packages/ddb-publisher/src/__tests__/run.test.ts

@@ -361,4 +361,44 @@ describe("runPublisher", () => {
       }),
     ).rejects.toThrow("status=<missing>");
   });
+
+  it("should use explicit AWS env values for local DynamoDB endpoints when provided", async () => {
+    const store: LoadedConfigStore = {
+      rootPath: "/tmp",
+      records: [],
+    };
+
+    fileStore.loadConfigStore.mockResolvedValue(store);
+    fileStore.validateConfigStore.mockReturnValue({ ok: true, issues: [] });
+    audit.auditBeforeLoad.mockResolvedValue({ blockingRecords: [] });
+
+    process.env.SUPPLIER_CONFIG_DDB_ENDPOINT_URL = "http://localhost:8000";
+    process.env.AWS_REGION = "eu-central-1";
+    process.env.AWS_ACCESS_KEY_ID = "customKey";
+    process.env.AWS_SECRET_ACCESS_KEY = "customSecret";
+
+    try {
+      await runPublisher({
+        sourcePath: "/tmp",
+        env: "draft",
+        tableName: "tbl",
+        dryRun: false,
+        force: false,
+      });
+
+      expect(awsClient.DynamoDBClient).toHaveBeenCalledWith({
+        endpoint: "http://localhost:8000",
+        region: "eu-central-1",
+        credentials: {
+          accessKeyId: "customKey",
+          secretAccessKey: "customSecret",
+        },
+      });
+    } finally {
+      delete process.env.SUPPLIER_CONFIG_DDB_ENDPOINT_URL;
+      delete process.env.AWS_REGION;
+      delete process.env.AWS_ACCESS_KEY_ID;
+      delete process.env.AWS_SECRET_ACCESS_KEY;
+    }
+  });
 });