domoritz commented on code in PR #13278:
URL: https://github.com/apache/arrow/pull/13278#discussion_r886310516
##########
js/test/unit/ipc/serialization-tests.ts:
##########
@@ -37,6 +37,30 @@ function createTable<T extends TypeMap = any>(schema:
Schema<T>, chunkLengths: n
return generate.table(chunkLengths, schema).table;
}
+describe('tableFromIPC', () => {
+ test('handles AsyncRecordBatchReader input', async () => {
+ type T = { a: Uint8 };
+
+ const sources = [
+ new Table({ a: makeVector(new Uint8Array([1, 2, 3])) }),
+ new Table({ a: makeVector(new Uint8Array([4, 5, 6])) }),
+ ];
+
+ const writer = sources.reduce(
+ (writer, source) => writer.writeAll(source),
+ new RecordBatchStreamWriter<T>({ autoDestroy: false })
+ );
+
+ writer.close();
+
+ let index = 0;
+
+ for await (const reader of
RecordBatchReader.readAll<T>(writer[Symbol.asyncIterator]())) {
+ expect(sources[index++]).toEqualTable(await tableFromIPC(reader));
Review Comment:
Shouldn't this be the other way around (actual on the left)?
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