radio_theme_test.dart 13.5 KB
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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';

import '../rendering/mock_canvas.dart';

void main() {
  test('RadioThemeData copyWith, ==, hashCode basics', () {
    expect(const RadioThemeData(), const RadioThemeData().copyWith());
    expect(const RadioThemeData().hashCode, const RadioThemeData().copyWith().hashCode);
  });

  test('RadioThemeData defaults', () {
    const RadioThemeData themeData = RadioThemeData();
    expect(themeData.mouseCursor, null);
    expect(themeData.fillColor, null);
    expect(themeData.overlayColor, null);
    expect(themeData.splashRadius, null);
    expect(themeData.materialTapTargetSize, null);
    expect(themeData.visualDensity, null);

    const RadioTheme theme = RadioTheme(data: RadioThemeData(), child: SizedBox());
    expect(theme.data.mouseCursor, null);
    expect(theme.data.fillColor, null);
    expect(theme.data.overlayColor, null);
    expect(theme.data.splashRadius, null);
    expect(theme.data.materialTapTargetSize, null);
    expect(theme.data.visualDensity, null);
  });

  testWidgets('Default RadioThemeData debugFillProperties', (WidgetTester tester) async {
    final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
    const RadioThemeData().debugFillProperties(builder);

    final List<String> description = builder.properties
      .where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
      .map((DiagnosticsNode node) => node.toString())
      .toList();

    expect(description, <String>[]);
  });

  testWidgets('RadioThemeData implements debugFillProperties', (WidgetTester tester) async {
    final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
    RadioThemeData(
      mouseCursor: MaterialStateProperty.all(SystemMouseCursors.click),
      fillColor: MaterialStateProperty.all(const Color(0xfffffff0)),
      overlayColor: MaterialStateProperty.all(const Color(0xfffffff1)),
      splashRadius: 1.0,
      materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
      visualDensity: VisualDensity.standard,
    ).debugFillProperties(builder);

    final List<String> description = builder.properties
      .where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
      .map((DiagnosticsNode node) => node.toString())
      .toList();

    expect(description[0], 'mouseCursor: MaterialStateProperty.all(SystemMouseCursor(click))');
    expect(description[1], 'fillColor: MaterialStateProperty.all(Color(0xfffffff0))');
    expect(description[2], 'overlayColor: MaterialStateProperty.all(Color(0xfffffff1))');
    expect(description[3], 'splashRadius: 1.0');
    expect(description[4], 'materialTapTargetSize: MaterialTapTargetSize.shrinkWrap');
    expect(description[5], 'visualDensity: VisualDensity#00000(h: 0.0, v: 0.0)');
  });

  testWidgets('Radio is themeable', (WidgetTester tester) async {
    tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;

    const MouseCursor mouseCursor = SystemMouseCursors.text;
    const Color defaultFillColor = Color(0xfffffff0);
    const Color selectedFillColor = Color(0xfffffff1);
    const Color focusOverlayColor = Color(0xfffffff2);
    const Color hoverOverlayColor = Color(0xfffffff3);
    const double splashRadius = 1.0;
    const MaterialTapTargetSize materialTapTargetSize = MaterialTapTargetSize.shrinkWrap;
    const VisualDensity visualDensity = VisualDensity(horizontal: 1, vertical: 1);

    Widget buildRadio({bool selected = false, bool autofocus = false}) {
      return MaterialApp(
        theme: ThemeData(
          radioTheme: RadioThemeData(
            mouseCursor: MaterialStateProperty.all(mouseCursor),
            fillColor: MaterialStateProperty.resolveWith((Set<MaterialState> states) {
              if (states.contains(MaterialState.selected)) {
                return selectedFillColor;
              }
              return defaultFillColor;
            }),
            overlayColor: MaterialStateProperty.resolveWith((Set<MaterialState> states) {
              if (states.contains(MaterialState.focused)) {
                return focusOverlayColor;
              }
              if (states.contains(MaterialState.hovered)) {
                return hoverOverlayColor;
              }
              return null;
            }),
            splashRadius: splashRadius,
            materialTapTargetSize: materialTapTargetSize,
            visualDensity: visualDensity,
          ),
        ),
        home: Scaffold(
          body: Radio<int>(
            onChanged: (int? int) {},
            value: selected ? 1 : 0,
            groupValue: 1,
            autofocus: autofocus,
          ),
        ),
      );
    }

    // Radio.
    await tester.pumpWidget(buildRadio());
    await tester.pumpAndSettle();
    expect(_getRadioMaterial(tester), paints..circle(color: defaultFillColor));
    // Size from MaterialTapTargetSize.shrinkWrap with added VisualDensity.
    expect(tester.getSize(_findRadio()), const Size(40.0, 40.0) + visualDensity.baseSizeAdjustment);

    // Selected radio.
    await tester.pumpWidget(buildRadio(selected: true));
    await tester.pumpAndSettle();
    expect(_getRadioMaterial(tester), paints..circle(color: selectedFillColor));

    // Radio with hover.
    await tester.pumpWidget(buildRadio());
    await _pointGestureToRadio(tester);
    await tester.pumpAndSettle();
    expect(_getRadioMaterial(tester), paints..circle(color: hoverOverlayColor));
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    expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
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    // Radio with focus.
    await tester.pumpWidget(buildRadio(autofocus: true));
    await tester.pumpAndSettle();
    expect(_getRadioMaterial(tester), paints..circle(color: focusOverlayColor, radius: splashRadius));
  });

  testWidgets('Radio properties are taken over the theme values', (WidgetTester tester) async {
    tester.binding.focusManager.highlightStrategy = FocusHighlightStrategy.alwaysTraditional;

    const MouseCursor themeMouseCursor = SystemMouseCursors.click;
    const Color themeDefaultFillColor = Color(0xfffffff0);
    const Color themeSelectedFillColor = Color(0xfffffff1);
    const Color themeFocusOverlayColor = Color(0xfffffff2);
    const Color themeHoverOverlayColor = Color(0xfffffff3);
    const double themeSplashRadius = 1.0;
    const MaterialTapTargetSize themeMaterialTapTargetSize = MaterialTapTargetSize.padded;
    const VisualDensity themeVisualDensity = VisualDensity.standard;

    const MouseCursor mouseCursor = SystemMouseCursors.text;
    const Color defaultFillColor = Color(0xfffffff0);
    const Color selectedFillColor = Color(0xfffffff1);
    const Color focusColor = Color(0xfffffff2);
    const Color hoverColor = Color(0xfffffff3);
    const double splashRadius = 2.0;
    const MaterialTapTargetSize materialTapTargetSize = MaterialTapTargetSize.shrinkWrap;
    const VisualDensity visualDensity = VisualDensity(horizontal: 1, vertical: 1);

    Widget buildRadio({bool selected = false, bool autofocus = false}) {
      return MaterialApp(
        theme: ThemeData(
          radioTheme: RadioThemeData(
            mouseCursor: MaterialStateProperty.all(themeMouseCursor),
            fillColor: MaterialStateProperty.resolveWith((Set<MaterialState> states) {
              if (states.contains(MaterialState.selected)) {
                return themeSelectedFillColor;
              }
              return themeDefaultFillColor;
            }),
            overlayColor: MaterialStateProperty.resolveWith((Set<MaterialState> states) {
              if (states.contains(MaterialState.focused)) {
                return themeFocusOverlayColor;
              }
              if (states.contains(MaterialState.hovered)) {
                return themeHoverOverlayColor;
              }
              return null;
            }),
            splashRadius: themeSplashRadius,
            materialTapTargetSize: themeMaterialTapTargetSize,
            visualDensity: themeVisualDensity,
          ),
        ),
        home: Scaffold(
          body: Radio<int>(
            onChanged: (int? int) {},
            value: selected ? 0 : 1,
            groupValue: 0,
            autofocus: autofocus,
            mouseCursor: mouseCursor,
            fillColor: MaterialStateProperty.resolveWith((Set<MaterialState> states) {
              if (states.contains(MaterialState.selected)) {
                return selectedFillColor;
              }
              return defaultFillColor;
            }),
            focusColor: focusColor,
            hoverColor: hoverColor,
            splashRadius: splashRadius,
            materialTapTargetSize: materialTapTargetSize,
            visualDensity: visualDensity,
          ),
        ),
      );
    }

    // Radio.
    await tester.pumpWidget(buildRadio());
    await tester.pumpAndSettle();
    expect(_getRadioMaterial(tester), paints..circle(color: defaultFillColor));
    // Size from MaterialTapTargetSize.shrinkWrap with added VisualDensity.
    expect(tester.getSize(_findRadio()), const Size(40.0, 40.0) + visualDensity.baseSizeAdjustment);

    // Selected radio.
    await tester.pumpWidget(buildRadio(selected: true));
    await tester.pumpAndSettle();
    expect(_getRadioMaterial(tester), paints..circle(color: selectedFillColor));

    // Radio with hover.
    await tester.pumpWidget(buildRadio());
    await _pointGestureToRadio(tester);
    await tester.pumpAndSettle();
    expect(_getRadioMaterial(tester), paints..circle(color: hoverColor));
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    expect(RendererBinding.instance!.mouseTracker.debugDeviceActiveCursor(1), SystemMouseCursors.text);
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    // Radio with focus.
    await tester.pumpWidget(buildRadio(autofocus: true));
    await tester.pumpAndSettle();
    expect(_getRadioMaterial(tester), paints..circle(color: focusColor, radius: splashRadius));
  });

  testWidgets('Radio activeColor property is taken over the theme', (WidgetTester tester) async {
    const Color themeDefaultFillColor = Color(0xfffffff0);
    const Color themeSelectedFillColor = Color(0xfffffff1);

    const Color selectedFillColor = Color(0xfffffff1);

    Widget buildRadio({bool selected = false, bool autofocus = false}) {
      return MaterialApp(
        theme: ThemeData(
          radioTheme: RadioThemeData(
            fillColor: MaterialStateProperty.resolveWith((Set<MaterialState> states) {
              if (states.contains(MaterialState.selected)) {
                return themeSelectedFillColor;
              }
              return themeDefaultFillColor;
            }),
          ),
        ),
        home: Scaffold(
          body: Radio<int>(
            onChanged: (int? int) {},
            value: selected ? 0 : 1,
            groupValue: 0,
            autofocus: autofocus,
            activeColor: selectedFillColor,
          ),
        ),
      );
    }

    // Radio.
    await tester.pumpWidget(buildRadio());
    await tester.pumpAndSettle();
    expect(_getRadioMaterial(tester), paints..circle(color: themeDefaultFillColor));

    // Selected radio.
    await tester.pumpWidget(buildRadio(selected: true));
    await tester.pumpAndSettle();
    expect(_getRadioMaterial(tester), paints..circle(color: selectedFillColor));
  });
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  testWidgets('Radio theme overlay color resolves in active/pressed states', (WidgetTester tester) async {
    const Color activePressedOverlayColor = Color(0xFF000001);
    const Color inactivePressedOverlayColor = Color(0xFF000002);

    Color? getOverlayColor(Set<MaterialState> states) {
      if (states.contains(MaterialState.pressed)) {
        if (states.contains(MaterialState.selected)) {
          return activePressedOverlayColor;
        }
        return inactivePressedOverlayColor;
      }
      return null;
    }
    const double splashRadius = 24.0;

    Widget buildRadio({required bool active}) {
      return MaterialApp(
        theme: ThemeData(
          radioTheme: RadioThemeData(
            overlayColor: MaterialStateProperty.resolveWith(getOverlayColor),
            splashRadius: splashRadius,
          ),
        ),
        home: Scaffold(
          body: Radio<int>(
            value: active ? 1 : 0,
            groupValue: 1,
            onChanged: (_) { },
          ),
        ),
      );
    }

    await tester.pumpWidget(buildRadio(active: false));
    await tester.press(_findRadio());
    await tester.pumpAndSettle();

    expect(
      _getRadioMaterial(tester),
      paints
        ..circle(
          color: inactivePressedOverlayColor,
          radius: splashRadius,
        ),
      reason: 'Inactive pressed Radio should have overlay color: $inactivePressedOverlayColor',
    );

    await tester.pumpWidget(buildRadio(active: true));
    await tester.press(_findRadio());
    await tester.pumpAndSettle();

    expect(
      _getRadioMaterial(tester),
      paints
        ..circle(
          color: activePressedOverlayColor,
          radius: splashRadius,
        ),
      reason: 'Active pressed Radio should have overlay color: $activePressedOverlayColor',
    );
  });
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}

Finder _findRadio() {
  return find.byWidgetPredicate((Widget widget) => widget is Radio<int>);
}

Future<void> _pointGestureToRadio(WidgetTester tester) async {
  final TestGesture gesture = await tester.createGesture(kind: PointerDeviceKind.mouse);
  await gesture.addPointer();
  addTearDown(gesture.removePointer);
  await gesture.moveTo(tester.getCenter(_findRadio()));
}

MaterialInkController? _getRadioMaterial(WidgetTester tester) {
  return Material.of(tester.element(_findRadio()));
}