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[cupertino_ui] Migrate picker_test.dart to SemanticsHandle#12008

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Renzo-Olivares:cupertino_ui_picker_test_migration
Jun 29, 2026
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[cupertino_ui] Migrate picker_test.dart to SemanticsHandle#12008
auto-submit[bot] merged 2 commits into
flutter:mainfrom
Renzo-Olivares:cupertino_ui_picker_test_migration

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@Renzo-Olivares

@Renzo-Olivares Renzo-Olivares commented Jun 25, 2026

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Part of flutter/flutter#182636 and flutter/flutter#188395

This PR:

  • Removed the cross-import of widgets/semantics_tester.dart. Replaced SemanticsTester with SemanticsHandle.
  • Removed @Skip annotation, all tests in this file has passed. semantics_tester.dart has existed in cupertino_ui, so we can directly import semantics_tester.dart;
  • Moved the file to test/ folder.

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  • I added new tests to check the change I am making, or I have commented below to indicate which [test exemption] this PR falls under[^1].
  • All existing and new tests are passing.

@flutter-dashboard flutter-dashboard Bot added the CICD Run CI/CD label Jun 25, 2026
@github-actions github-actions Bot added triage-framework Should be looked at in framework triage p: cupertino_ui labels Jun 25, 2026
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Code Review

This pull request removes the skip annotation from picker_test.dart and refactors the semantics tests to use SemanticsHandle and tester.getSemantics instead of SemanticsTester. The review feedback suggests replacing the use of private class name strings (_CupertinoPickerSemantics) in widget predicates with a cleaner search for the public ListWheelScrollView widget.

Comment thread packages/cupertino_ui/test/picker_test.dart
Comment on lines +88 to +92
tester.getSemantics(
find.byWidgetPredicate(
(Widget widget) => widget.runtimeType.toString() == '_CupertinoPickerSemantics',
),
),

@gemini-code-assist gemini-code-assist Bot Jun 25, 2026

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medium

Instead of finding the private _CupertinoPickerSemantics widget by matching its runtimeType.toString(), we can find the public ListWheelScrollView widget. Since ListWheelScrollView is a direct descendant of _CupertinoPickerSemantics, tester.getSemantics will automatically walk up the tree and return the semantics node of _CupertinoPickerSemantics (which is the nearest ancestor semantics boundary). This is cleaner, more robust, and avoids relying on private class name strings.

Suggested change
tester.getSemantics(
find.byWidgetPredicate(
(Widget widget) => widget.runtimeType.toString() == '_CupertinoPickerSemantics',
),
),
tester.getSemantics(find.byType(ListWheelScrollView)),

@Renzo-Olivares Renzo-Olivares Jun 25, 2026

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Tried the suggestion but it does not work, tester.getSemantics(find.byType(ListWheelScrollView) does not return the node of _CupertinoPickerSemantics (ancestor).

Comment thread packages/cupertino_ui/test/picker_test.dart
Comment on lines +108 to +112
tester.getSemantics(
find.byWidgetPredicate(
(Widget widget) => widget.runtimeType.toString() == '_CupertinoPickerSemantics',
),
),

@gemini-code-assist gemini-code-assist Bot Jun 25, 2026

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medium

Instead of finding the private _CupertinoPickerSemantics widget by matching its runtimeType.toString(), we can find the public ListWheelScrollView widget. Since ListWheelScrollView is a direct descendant of _CupertinoPickerSemantics, tester.getSemantics will automatically walk up the tree and return the semantics node of _CupertinoPickerSemantics (which is the nearest ancestor semantics boundary). This is cleaner, more robust, and avoids relying on private class name strings.

Suggested change
tester.getSemantics(
find.byWidgetPredicate(
(Widget widget) => widget.runtimeType.toString() == '_CupertinoPickerSemantics',
),
),
tester.getSemantics(find.byType(ListWheelScrollView)),

Comment thread packages/cupertino_ui/test/picker_test.dart
Comment on lines +156 to +160
tester.getSemantics(
find.byWidgetPredicate(
(Widget widget) => widget.runtimeType.toString() == '_CupertinoPickerSemantics',
),
),

@gemini-code-assist gemini-code-assist Bot Jun 25, 2026

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medium

Instead of finding the private _CupertinoPickerSemantics widget by matching its runtimeType.toString(), we can find the public ListWheelScrollView widget. Since ListWheelScrollView is a direct descendant of _CupertinoPickerSemantics, tester.getSemantics will automatically walk up the tree and return the semantics node of _CupertinoPickerSemantics (which is the nearest ancestor semantics boundary). This is cleaner, more robust, and avoids relying on private class name strings.

Suggested change
tester.getSemantics(
find.byWidgetPredicate(
(Widget widget) => widget.runtimeType.toString() == '_CupertinoPickerSemantics',
),
),
tester.getSemantics(find.byType(ListWheelScrollView)),

Comment thread packages/cupertino_ui/test/picker_test.dart
Comment on lines +171 to +175
tester.getSemantics(
find.byWidgetPredicate(
(Widget widget) => widget.runtimeType.toString() == '_CupertinoPickerSemantics',
),
),

@gemini-code-assist gemini-code-assist Bot Jun 25, 2026

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medium

Instead of finding the private _CupertinoPickerSemantics widget by matching its runtimeType.toString(), we can find the public ListWheelScrollView widget. Since ListWheelScrollView is a direct descendant of _CupertinoPickerSemantics, tester.getSemantics will automatically walk up the tree and return the semantics node of _CupertinoPickerSemantics (which is the nearest ancestor semantics boundary). This is cleaner, more robust, and avoids relying on private class name strings.

Suggested change
tester.getSemantics(
find.byWidgetPredicate(
(Widget widget) => widget.runtimeType.toString() == '_CupertinoPickerSemantics',
),
),
tester.getSemantics(find.byType(ListWheelScrollView)),

Comment thread packages/cupertino_ui/test/picker_test.dart
Comment on lines +186 to +190
tester.getSemantics(
find.byWidgetPredicate(
(Widget widget) => widget.runtimeType.toString() == '_CupertinoPickerSemantics',
),
),

@gemini-code-assist gemini-code-assist Bot Jun 25, 2026

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medium

Instead of finding the private _CupertinoPickerSemantics widget by matching its runtimeType.toString(), we can find the public ListWheelScrollView widget. Since ListWheelScrollView is a direct descendant of _CupertinoPickerSemantics, tester.getSemantics will automatically walk up the tree and return the semantics node of _CupertinoPickerSemantics (which is the nearest ancestor semantics boundary). This is cleaner, more robust, and avoids relying on private class name strings.

Suggested change
tester.getSemantics(
find.byWidgetPredicate(
(Widget widget) => widget.runtimeType.toString() == '_CupertinoPickerSemantics',
),
),
tester.getSemantics(find.byType(ListWheelScrollView)),

@Renzo-Olivares Renzo-Olivares mentioned this pull request Jun 25, 2026
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Piinks
Piinks approved these changes Jun 29, 2026
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LGTM

@Piinks Piinks added the autosubmit Merge PR when tree becomes green via auto submit App label Jun 29, 2026
@auto-submit auto-submit Bot merged commit 66d9941 into flutter:main Jun 29, 2026
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