From 4daf16f3b786e7eec8e5b07dbec4dbf6243d50bd Mon Sep 17 00:00:00 2001
From: eps1lon <silbermann.sebastian@gmail.com>
Date: Wed, 9 Jun 2021 20:18:13 +0200
Subject: [PATCH] Start enabling legacy roots where incompatible with React 18

---
 .../src/DesktopDatePicker/DesktopDatePicker.test.tsx         | 2 ++
 .../src/DesktopDateTimePicker/DesktopDateTimePicker.test.tsx | 2 ++
 packages/material-ui/src/Autocomplete/Autocomplete.test.js   | 3 ++-
 test/utils/mochaHooks.js                                     | 5 +++++
 4 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/packages/material-ui-lab/src/DesktopDatePicker/DesktopDatePicker.test.tsx b/packages/material-ui-lab/src/DesktopDatePicker/DesktopDatePicker.test.tsx
index 345325e08277fa..344f7af011eb61 100644
--- a/packages/material-ui-lab/src/DesktopDatePicker/DesktopDatePicker.test.tsx
+++ b/packages/material-ui-lab/src/DesktopDatePicker/DesktopDatePicker.test.tsx
@@ -78,6 +78,8 @@ describe('<DesktopDatePicker />', () => {
         TransitionComponent={FakeTransitionComponent}
         renderInput={(params) => <TextField {...params} />}
       />,
+      // TODO: React18Compat
+      { legacyRoot: true },
     );
 
     act(() => {
diff --git a/packages/material-ui-lab/src/DesktopDateTimePicker/DesktopDateTimePicker.test.tsx b/packages/material-ui-lab/src/DesktopDateTimePicker/DesktopDateTimePicker.test.tsx
index 8f56d6761dc37a..f329a52fce2e22 100644
--- a/packages/material-ui-lab/src/DesktopDateTimePicker/DesktopDateTimePicker.test.tsx
+++ b/packages/material-ui-lab/src/DesktopDateTimePicker/DesktopDateTimePicker.test.tsx
@@ -27,6 +27,8 @@ describe('<DesktopDateTimePicker />', () => {
         onChange={() => {}}
         renderInput={(params) => <TextField autoFocus {...params} />}
       />,
+      // TODO: React18Compat
+      { legacyRoot: true },
     );
 
     userEvent.mousePress(screen.getByLabelText(/choose date/i));
diff --git a/packages/material-ui/src/Autocomplete/Autocomplete.test.js b/packages/material-ui/src/Autocomplete/Autocomplete.test.js
index df42afe7c73301..0f2ef15fedcd9d 100644
--- a/packages/material-ui/src/Autocomplete/Autocomplete.test.js
+++ b/packages/material-ui/src/Autocomplete/Autocomplete.test.js
@@ -34,7 +34,8 @@ function checkHighlightIs(listbox, expected) {
 }
 
 describe('<Autocomplete />', () => {
-  const render = createClientRender();
+  // TODO: React18Compat
+  const render = createClientRender({ legacyRoot: true });
   const mount = createMount();
 
   describeConformanceV5(
diff --git a/test/utils/mochaHooks.js b/test/utils/mochaHooks.js
index c0fba097eb25f9..ca8464a6820391 100644
--- a/test/utils/mochaHooks.js
+++ b/test/utils/mochaHooks.js
@@ -93,6 +93,11 @@ function createUnexpectedConsoleMessagesHooks(Mocha, methodName, expectedMatcher
       }
     }
 
+    // FIXME: ignore act warnings
+    if (message.indexOf('act(...)')) {
+      return;
+    }
+
     unexpectedCalls.push([
       // first line includes the (empty) error message
       // i.e. Remove the `Error:` line