fix(ext/node): fix stream/promises export (#19820)

1 files changed, 25 insertions, 0 deletions

diff --git a/cli/tests/unit_node/stream_test.ts b/cli/tests/unit_node/stream_test.ts
new file mode 100644
index 000000000..058d3ca7c
--- /dev/null
+++ b/cli/tests/unit_node/stream_test.ts
@@ -0,0 +1,25 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+
+import { assert } from "../../../test_util/std/testing/asserts.ts";
+import { fromFileUrl, relative } from "../../../test_util/std/path/mod.ts";
+import { pipeline } from "node:stream/promises";
+import { createReadStream, createWriteStream } from "node:fs";
+
+Deno.test("stream/promises pipeline", async () => {
+  const filePath = relative(
+    Deno.cwd(),
+    fromFileUrl(new URL("./testdata/lorem_ipsum.txt", import.meta.url)),
+  );
+  const input = createReadStream(filePath);
+  const output = createWriteStream("lorem_ipsum.txt.copy");
+
+  await pipeline(input, output);
+
+  const content = Deno.readTextFileSync("lorem_ipsum.txt.copy");
+  assert(content.startsWith("Lorem ipsum dolor sit amet"));
+  try {
+    Deno.removeSync("lorem_ipsum.txt.copy");
+  } catch {
+    // pass
+  }
+});