From 9ae7f7fcc15465c8704f04868bde754fbc5bbb01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rub=C3=A9n=20Norte?= <rubennorte@meta.com>
Date: Mon, 28 Apr 2025 06:55:25 -0700
Subject: [PATCH] Refactor InterruptibleRendering Fantom test to use
 dispatchNativeEvent (#50957)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/50957

Changelog: [internal]

Now we can use the higher level API for event dispatching in this test.

Reviewed By: javache

Differential Revision: D73663626

fbshipit-source-id: 961af26f62128f093c71ad14f457ac8544348415
---
 packages/react-native-fantom/src/index.js     |  4 +-
 .../__tests__/InterruptibleRendering-itest.js | 48 +++++++++----------
 2 files changed, 25 insertions(+), 27 deletions(-)

diff --git a/packages/react-native-fantom/src/index.js b/packages/react-native-fantom/src/index.js
index 9eb23683c47..8fb1a05c034 100644
--- a/packages/react-native-fantom/src/index.js
+++ b/packages/react-native-fantom/src/index.js
@@ -348,7 +348,9 @@ export function dispatchNativeEvent(
     enqueueNativeEvent(node, type, payload, options);
   });
 
-  runWorkLoop();
+  if (!flushingQueue) {
+    runWorkLoop();
+  }
 }
 
 export type ScrollEventOptions = {
diff --git a/packages/react-native/Libraries/ReactNative/__tests__/InterruptibleRendering-itest.js b/packages/react-native/Libraries/ReactNative/__tests__/InterruptibleRendering-itest.js
index e5711f04a48..d7328aa56ff 100644
--- a/packages/react-native/Libraries/ReactNative/__tests__/InterruptibleRendering-itest.js
+++ b/packages/react-native/Libraries/ReactNative/__tests__/InterruptibleRendering-itest.js
@@ -43,18 +43,16 @@ describe('discrete event category', () => {
       if (interruptRendering) {
         interruptRendering = false;
         const element = ensureReactNativeElement(textInputRef.current);
-        Fantom.runOnUIThread(() => {
-          Fantom.enqueueNativeEvent(
-            element,
-            'change',
-            {
-              text: 'update from native',
-            },
-            {
-              category: NativeEventCategory.Discrete,
-            },
-          );
-        });
+        Fantom.dispatchNativeEvent(
+          element,
+          'change',
+          {
+            text: 'update from native',
+          },
+          {
+            category: NativeEventCategory.Discrete,
+          },
+        );
         // We must schedule a task that is run right after the above native event is
         // processed to be able to observe the results of rendering.
         Fantom.scheduleTask(afterUpdate);
@@ -149,21 +147,19 @@ describe('continuous event category', () => {
       if (interruptRendering) {
         interruptRendering = false;
         const element = ensureReactNativeElement(textInputRef.current);
-        Fantom.runOnUIThread(() => {
-          Fantom.enqueueNativeEvent(
-            element,
-            'selectionChange',
-            {
-              selection: {
-                start: 1,
-                end: 5,
-              },
+        Fantom.dispatchNativeEvent(
+          element,
+          'selectionChange',
+          {
+            selection: {
+              start: 1,
+              end: 5,
             },
-            {
-              category: NativeEventCategory.Continuous,
-            },
-          );
-        });
+          },
+          {
+            category: NativeEventCategory.Continuous,
+          },
+        );
       }
       useEffect(() => {
         effectMock({text, deferredText});