From b01b0e827602382d664ecf6740c18d09d09f70fd Mon Sep 17 00:00:00 2001
From: Max Schmitt <max@schmitt.mx>
Date: Fri, 20 Sep 2024 19:10:10 +0200
Subject: [PATCH] fix(hover): don't emit mouseover event on hover with trial:
 true

---
 .../src/server/injected/injectedScript.ts             |  2 +-
 tests/page/page-mouse.spec.ts                         | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/packages/playwright-core/src/server/injected/injectedScript.ts b/packages/playwright-core/src/server/injected/injectedScript.ts
index 69fe959f81..8a046dbd92 100644
--- a/packages/playwright-core/src/server/injected/injectedScript.ts
+++ b/packages/playwright-core/src/server/injected/injectedScript.ts
@@ -1387,7 +1387,7 @@ const eventType = new Map<string, 'mouse' | 'keyboard' | 'touch' | 'pointer' | '
   ['devicemotion', 'devicemotion'],
 ]);
 
-const kHoverHitTargetInterceptorEvents = new Set(['mousemove']);
+const kHoverHitTargetInterceptorEvents = new Set(['mousemove', 'mouseover']);
 const kTapHitTargetInterceptorEvents = new Set(['pointerdown', 'pointerup', 'touchstart', 'touchend', 'touchcancel']);
 const kMouseHitTargetInterceptorEvents = new Set(['mousedown', 'mouseup', 'pointerdown', 'pointerup', 'click', 'auxclick', 'dblclick', 'contextmenu']);
 const kAllHitTargetInterceptorEvents = new Set([...kHoverHitTargetInterceptorEvents, ...kTapHitTargetInterceptorEvents, ...kMouseHitTargetInterceptorEvents]);
diff --git a/tests/page/page-mouse.spec.ts b/tests/page/page-mouse.spec.ts
index 5d29be2bb7..de128b4427 100644
--- a/tests/page/page-mouse.spec.ts
+++ b/tests/page/page-mouse.spec.ts
@@ -214,6 +214,17 @@ it('should trigger hover state with removed window.Node', async ({ page, server
   expect(await page.evaluate(() => document.querySelector('button:hover').id)).toBe('button-6');
 });
 
+it('should not emit mouseover event with trial: true', {
+  annotation: {
+    type: 'issue',
+    description: 'https://github.com/microsoft/playwright/issues/32703',
+  }
+}, async ({ page }) => {
+  await page.setContent(`<button onmouseover="window.__MOUSEOVER = true"></button>`);
+  await page.hover('button', { trial: true });
+  expect(await page.evaluate(() => (window as any).__MOUSEOVER)).toBe(undefined);
+});
+
 it('should set modifier keys on click', async ({ page, server, browserName, isMac }) => {
   await page.goto(server.PREFIX + '/input/scrollable.html');
   await page.evaluate(() => document.querySelector('#button-3').addEventListener('mousedown', e => window['lastEvent'] = e, true));