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iOS: Remove unused PlatformViewIOS setup from FlutterPlatformViewsTest - #196033

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cbracken merged 1 commit into
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cbracken:remove-pvios-setup
Nov 6, 2026
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cbracken merged 1 commit into
flutter:masterfrom
cbracken:remove-pvios-setup

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@cbracken

@cbracken cbracken commented Nov 5, 2026 •

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Many tests constructed a flutter::PlatformViewIOS (with a mock PlatformView::Delegate and a FlutterFMLTaskRunners) that turned out to be completely unreferenced after construction. This deletes these, the delegate mock, and all the task-runner locals.

For the few cases where we need a SurfaceFrame, we move the remaining inline controller constructions to CreateTestPlatformViewsController and add CreateTestSurfaceFrame() to FlutterPlatformViewsTestHelper. This also moves FakeIOSContext into the helper so tests outside this file can use it.

This is a refactor with no changes to behaviour.

Issue: #112232

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Many tests constructed a flutter::PlatformViewIOS (with a mock PlatformView::Delegate and a FlutterFMLTaskRunners) that turned out to be completely unreferenced after construction. This deletes these, the delegate mock, and all the task-runner locals.

For the few cases where we need a SurfaceFrame, we move the remaining inline controller constructions to CreateTestPlatformViewsController and add CreateTestSurfaceFrame() to FlutterPlatformViewsTestHelper. This also moves FakeIOSContext into the helper so tests outside this file can use it.

This is a refactor with no changes to behaviour.

Issue: flutter#112232
@cbracken
cbracken requested a review from a team as a code owner November 5, 2026 09:36
@flutter-dashboard flutter-dashboard Bot added the CICD Run CI/CD label Nov 5, 2026
@github-actions github-actions Bot added platform-ios iOS applications specifically engine flutter/engine related. See also e: labels. team-ios Owned by iOS platform team labels Nov 5, 2026

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Code Review

This pull request refactors FlutterPlatformViewsTest.mm by removing redundant setup code, such as manual task runner and platform view delegate creation, across numerous test cases. It extracts the FakeIOSContext class and introduces a helper function CreateTestSurfaceFrame in FlutterPlatformViewsTestHelper to streamline test setup. Feedback on the helper header suggests using #include instead of #import for the C++ header ios_context.h and forward-declaring the FlutterTexture protocol to ensure the header is self-contained.

@cbracken
cbracken requested a review from LouiseHsu November 5, 2026 09:57
@cbracken
cbracken added this pull request to the merge queue Nov 6, 2026
Merged via the queue into flutter:master with commit e648016 Nov 6, 2026
23 of 24 checks passed
@cbracken
cbracken deleted the remove-pvios-setup branch November 6, 2026 02:14
auto-submit Bot pushed a commit to flutter/packages that referenced this pull request Nov 6, 2026
Roll Flutter from 3623d2d34543 to 09175cdeac89 (61 revisions)

flutter/flutter@3623d2d...09175cd

2026-11-06 [email protected] Roll Skia from ae35b7b2221f to 793b8ac73d4b (3 revisions) (flutter/flutter#196091)
2026-11-06 [email protected] [web] Rasterize scenes at the size passed to `FlutterView.render` (flutter/flutter#196052)
2026-11-06 [email protected] Roll Skia from 4aa043a81e0c to ae35b7b2221f (1 revision) (flutter/flutter#196086)
2026-11-06 [email protected] Roll Fuchsia Linux SDK from Fqe3UlLwAohsPbsCS... to KIc0XZbhLmvDpTluZ... (flutter/flutter#196085)
2026-11-06 [email protected] Allow a zero scale change in InteractiveViewer (flutter/flutter#194949)
2026-11-06 [email protected] Roll Skia from dd5c2553a856 to 4aa043a81e0c (2 revisions) (flutter/flutter#196079)
2026-11-06 [email protected] [web] Keep ImageFilter.blur bounds in equality and description (flutter/flutter#196013)
2026-11-06 [email protected] iOS: Remove unused PlatformViewIOS setup from FlutterPlatformViewsTest (flutter/flutter#196033)
2026-11-06 [email protected] Serialize LoggerTests that mutate the shared Logger (flutter/flutter#196028)
2026-11-06 [email protected] Use reverseDuration for the AnimatedCrossFade size animation (flutter/flutter#194860)
2026-11-05 [email protected] Roll Skia from a5aacd103e68 to dd5c2553a856 (8 revisions) (flutter/flutter#196073)
2026-11-05 [email protected] Fix ListWheelScrollView null check error when it reads itemIndex before content dimensions are set (flutter/flutter#194859)
2026-11-05 [email protected] Allow zero cross axis extent in SliverGridDelegateWithMaxCrossAxisExtent (flutter/flutter#194858)
2026-11-05 [email protected] Revert: Allow color delta tolerance in in-memory fuzzy image comparator (flutter/flutter#196067)
2026-11-05 [email protected] Revert: Mitigate snapshot race in 3D transform test by reducing loop density (flutter/flutter#196066)
2026-11-05 [email protected] Delegate createStream in ResizeImage and ScrollAwareImageProvider (flutter/flutter#194756)
2026-11-05 [email protected] [iOS] Introduce FlutterShell and move thread host and profiler (flutter/flutter#195388)
2026-11-05 [email protected] [web] Support FragmentShader.getImageSampler on CanvasKit and Skwasm (flutter/flutter#195854)
2026-11-05 [email protected] Deprecates setFloat API (flutter/flutter#195505)
2026-11-05 [email protected] [flutter_tools] Remove public GlobalToolContext and globals from runner (flutter/flutter#195561)
2026-11-05 [email protected] Defer TLHC PlatformViewWrapper frame post and avoid initial 1x1 buffer resize (flutter/flutter#195861)
2026-11-05 [email protected] Roll Skia from b5abed66da86 to a5aacd103e68 (17 revisions) (flutter/flutter#196054)
2026-11-05 [email protected] Made `FlutterWindowControllerSizeTest.SizedToContentNotResizable` more robust (flutter/flutter#195845)
2026-11-05 [email protected] Update docs for contributor ladder (flutter/flutter#196011)
2026-11-05 [email protected] [Impeller] Use the transfer stage for the Vulkan readback barrier (flutter/flutter#194991)
2026-11-05 [email protected] Remove Mac mac_unopt builder (flutter/flutter#196027)
2026-11-05 [email protected] Updated Instructions for Determining Gradle Version for `gradle_dists` in CIPD (flutter/flutter#193310)
2026-11-05 [email protected] Move ios_app_with_extensions_test into the tool integration shard (flutter/flutter#195609)
2026-11-05 [email protected] [web] Respect Uint8List view bounds when detecting animated WebP/GIF (flutter/flutter#196010)
2026-11-05 [email protected] Add platform_views_layout to build_tests so iOS/Android build breaks are caught in presubmit (flutter/flutter#192985)
2026-11-05 [email protected] [flutter_tools] Detect macOS TCC permission crashes and provide diagnostic guidance (flutter/flutter#192432)
2026-11-05 [email protected] Roll Packages from 670b30e to 0478162 (15 revisions) (flutter/flutter#196047)
2026-11-05 [email protected] [web] Support Skwasm rendering without bitmap capture (flutter/flutter#195103)
2026-11-05 [email protected] [flutter_tools] Reland fix for local CanvasKit asset paths on Windows (flutter/flutter#195770)
2026-11-05 [email protected] Roll Skia from f96be51af95d to b5abed66da86 (14 revisions) (flutter/flutter#196017)
2026-11-05 [email protected] Split chrome web engine test drone (flutter/flutter#195873)
2026-11-05 [email protected] Roll Dart SDK from c9153304136a to 6623b84628f3 (1 revision) (flutter/flutter#196026)
2026-11-05 [email protected] Roll ICU from 4fe960221710 to a0ea93436c52 (6 revisions) (flutter/flutter#196025)
2026-11-05 [email protected] Add more guidance in README and AGENTS for contributing to flutter_tools (flutter/flutter#195998)
2026-11-05 [email protected] Roll Fuchsia Linux SDK from p0HDXLISPIElJfSz7... to Fqe3UlLwAohsPbsCS... (flutter/flutter#196019)
2026-11-05 [email protected] Roll Dart SDK from e362a23e9738 to c9153304136a (18 revisions) (flutter/flutter#196014)
2026-11-05 [email protected] [Impeller] Fix dilation input bounds when clipping saveLayers (flutter/flutter#195652)
2026-11-05 [email protected] Add `variantOf` to the M3E migration checklist (flutter/flutter#195099)
2026-11-05 [email protected] [flutter_tools] Eliminate globals from remaining subsystem files (flutter/flutter#195555)
2026-11-05 [email protected] Fix gap flipping when dragging variable height reorderable items (flutter/flutter#194478)
2026-11-05 [email protected] [A11y] Send un-merged SemanticsNodes in the same update that first references them (flutter/flutter#195829)
...
@LouiseHsu

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it doesnt matter anymore but CreateTestTaskRunners() is no longer called anywhere right

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