Bug 1855045 - [wdspec] Add input file_dialog_opened test for input.showPicker API r=Sasha

juliandescottes · juliandescottes · commit 725f45a58eaf · 2025-11-13T15:22:55.000Z
Differential Revision: https://phabricator.services.mozilla.com/D271793
diff --git a/testing/web-platform/tests/webdriver/tests/bidi/input/file_dialog_opened/file_dialog_opened.py b/testing/web-platform/tests/webdriver/tests/bidi/input/file_dialog_opened/file_dialog_opened.py
@@ -16,7 +16,7 @@ async def test_unsubscribe(bidi_session, inline, top_context, wait_for_event,
     await bidi_session.session.subscribe(events=[FILE_DIALOG_OPENED_EVENT])
     await bidi_session.session.unsubscribe(events=[FILE_DIALOG_OPENED_EVENT])
 
-    # Track all received browsingContext.navigationStarted events in the events array
+    # Track all received input.fileDialogOpened events in the events array
     events = []
 
     async def on_event(method, data):
@@ -62,6 +62,26 @@ async def test_subscribe(bidi_session, subscribe_events, inline, top_context,
     assert_file_dialog_opened_event(event, top_context["context"])
 
 
+async def test_show_picker(bidi_session, subscribe_events, inline, top_context,
+        wait_for_event, wait_for_future_safe):
+    await subscribe_events(events=[FILE_DIALOG_OPENED_EVENT])
+    on_entry = wait_for_event(FILE_DIALOG_OPENED_EVENT)
+
+    url = inline("<input id=input type=file />")
+    await bidi_session.browsing_context.navigate(context=top_context["context"],
+                                                 url=url, wait="complete")
+
+    await bidi_session.script.evaluate(
+        expression="input.showPicker()",
+        target=ContextTarget(top_context["context"]),
+        await_promise=False,
+        user_activation=True
+    )
+
+    event = await wait_for_future_safe(on_entry)
+    assert_file_dialog_opened_event(event, top_context["context"])
+
+
 @pytest.mark.parametrize("multiple", [True, False])
 async def test_multiple(bidi_session, subscribe_events, inline, top_context,
         wait_for_event, wait_for_future_safe, multiple):
