fix(sdk): can retrieve empty object from bucket on AWS platforms

examples/tests/sdk_tests/bucket/get.test.w

@@ -1,4 +1,5 @@
 bring cloud;
+bring expect;
 
 let b = new cloud.Bucket();
 
@@ -16,14 +17,22 @@ test "get range of an object" {
 
   b.put("test1.txt", "12345");
 
-  assert(b.get("test1.txt", startByte: 1, endByte: 3) == "234");
-  assert(b.get("test1.txt", startByte: 1) == "2345");
-  assert(b.get("test1.txt", endByte: 3) == "1234");
+  expect.equal(b.get("test1.txt", startByte: 1, endByte: 3), "234");
+  expect.equal(b.get("test1.txt", startByte: 1), "2345");
+  expect.equal(b.get("test1.txt", endByte: 3), "1234");
 
   b.put("test2.txt", "𠮷");
 
-  assert(b.get("test2.txt", startByte: 0, endByte: 3) == "𠮷");
+  expect.equal(b.get("test2.txt", startByte: 0, endByte: 3), "𠮷");
   assertThrows("The encoded data was not valid for encoding utf-8", () => {
     b.get("test2.txt", startByte: 0, endByte: 2);
   });
+
+
+}
+
+test "get empty object" {
+  b.put("empty.txt", "");
+
+  expect.equal(b.get("empty.txt"), "");
 }

libs/wingsdk/src/shared-aws/bucket.inflight.ts

@@ -6,6 +6,7 @@ import {
   DeleteObjectCommand,
   GetBucketLocationCommand,
   GetObjectCommand,
+  GetObjectCommandInput,
   GetObjectOutput,
   GetPublicAccessBlockCommand,
   GetPublicAccessBlockCommandOutput,
@@ -99,13 +100,19 @@ export class BucketClient implements IBucketClient {
     key: string,
     options?: BucketGetOptions
   ): Promise<string | undefined> {
-    const command = new GetObjectCommand({
+    const getObjectParams: GetObjectCommandInput = {
       Bucket: this.bucketName,
       Key: key,
-      Range: `bytes=${
-        options?.startByte !== undefined ? options.startByte : 0
-      }-${options?.endByte !== undefined ? options.endByte : ""}`,
-    });
+    };
+
+    // Conditionally add the `Range` parameter
+    if (options?.startByte !== undefined || options?.endByte !== undefined) {
+      const startByte = options?.startByte ?? 0;
+      const endByte = options?.endByte ?? "";
+      getObjectParams.Range = `bytes=${startByte}-${endByte}`;
+    }
+
+    const command = new GetObjectCommand(getObjectParams);
 
     try {
       const resp: GetObjectOutput = await this.s3Client.send(command);

main.w

@@ -0,0 +1,12 @@
+bring cloud;
+
+let logs = new cloud.Bucket();
+let fileName = "test.log";
+
+new cloud.OnDeploy(inflight () => {
+  logs.put(fileName, "");
+});
+
+test "get file" {
+  assert(logs.tryGet(fileName) == "");
+}

tools/hangar/__snapshots__/test_corpus/sdk_tests/bucket/get.test.w_test_sim.md

@@ -3,9 +3,10 @@
 ## stdout.log
 ```log
 pass ─ get.test.wsim » root/env0/test:get range of an object
+pass ─ get.test.wsim » root/env1/test:get empty object      
 
 
-Tests 1 passed (1)
+Tests 2 passed (2)
 Test Files 1 passed (1)
 Duration <DURATION>
 ```