feat(fetch): accept async iterables for body (#24623)

Implements https://github.com/whatwg/webidl/pull/1397
Fixes #21454 
Closes #24849

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/unit_node/fetch_test.ts b/tests/unit_node/fetch_test.ts
new file mode 100644
index 000000000..399d6052a
--- /dev/null
+++ b/tests/unit_node/fetch_test.ts
@@ -0,0 +1,18 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+import { assertEquals } from "@std/assert";
+import { createReadStream } from "node:fs";
+
+Deno.test("fetch node stream", async () => {
+  const file = createReadStream("tests/testdata/assets/fixture.json");
+
+  const response = await fetch("http://localhost:4545/echo_server", {
+    method: "POST",
+    body: file,
+  });
+
+  assertEquals(
+    await response.text(),
+    await Deno.readTextFile("tests/testdata/assets/fixture.json"),
+  );
+});