tor-browser

commit 3c82d69f396e9859ccaba8ceb376ffb817fe1374
parent b1803f3439a130495116dd7d6cbfc06f3d71c380
Author: Neha Sapre <nehasapre@google.com>
Date:   Fri, 14 Nov 2025 10:23:00 +0000

Bug 1999901 [wpt PR 56007] - Translator API: TranslateStreaming() Web Platform Tests, a=testonly

Automatic update from web-platform-tests
Translator API: TranslateStreaming() Web Platform Tests

This change adds tests for TranslateStreaming verifying that
multi-sentence streaming works and check edge cases where sentence split
should not occur.

These tests are passing since the new libtranslatekit has been
distributed, containing TranslateKitSplitSentences (sentence_splitter
library component from Google3 TranslateKit). These tests verify the
cross-browser interoperability of TranslateStreaming() across different
browsers, test against web specifications, and help catch regressions in
Chromium.

Bug: 429260073
Change-Id: Ic3159959cb0cad6f63853104f3b98018d84f8ea4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7142669
Commit-Queue: Mike Wasserman <msw@chromium.org>
Reviewed-by: Mike Wasserman <msw@chromium.org>
Reviewed-by: Nathan Memmott <memmott@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1543994}

--

wpt-commits: c498c7f6347671efddbc842d98c994f8899bc847
wpt-pr: 56007

Diffstat:
M
testing/web-platform/tests/ai/translator/translator.optional.https.window.js
 | 
28
++++++++++++++++++++++++++++

1 file changed, 28 insertions(+), 0 deletions(-)
diff --git a/testing/web-platform/tests/ai/translator/translator.optional.https.window.js b/testing/web-platform/tests/ai/translator/translator.optional.https.window.js
@@ -49,6 +49,34 @@ promise_test(async () => {
 promise_test(async () => {
   const translator =
       await createTranslator({sourceLanguage: 'en', targetLanguage: 'ja'});
+  const streamingResponse = translator.translateStreaming('Welcome. Nice to meet you.');
+  assert_equals(
+      Object.prototype.toString.call(streamingResponse),
+      '[object ReadableStream]');
+  let result = '';
+  for await (const chunk of streamingResponse) {
+    result += chunk;
+  }
+  assert_equals(result, 'ようこそ。 はじめまして。');
+}, 'Multiple sentence Translator.translateStreaming() call');
+
+promise_test(async () => {
+  const translator =
+      await createTranslator({sourceLanguage: 'en', targetLanguage: 'ja'});
+  const streamingResponse = translator.translateStreaming('Hello, Dr. Sanders. Nice to meet you.');
+  assert_equals(
+      Object.prototype.toString.call(streamingResponse),
+      '[object ReadableStream]');
+  let result = '';
+  for await (const chunk of streamingResponse) {
+    result += chunk;
+  }
+  assert_equals(result, 'こんにちは、サンダース博士です。 はじめまして。');
+}, 'Multiple sentence Translator.translateStreaming() call with honorific');
+
+promise_test(async () => {
+  const translator =
+      await createTranslator({sourceLanguage: 'en', targetLanguage: 'ja'});
   const streamingResponse = translator.translateStreaming('hello');
   garbageCollect();
   assert_equals(Object.prototype.toString.call(streamingResponse),