card_test.dart 6.48 KB
Newer Older
Ian Hickson's avatar
Ian Hickson committed
1
// Copyright 2014 The Flutter Authors. All rights reserved.
2 3 4
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

5
import 'package:flutter/painting.dart';
6 7 8 9 10 11 12 13 14
import 'package:flutter/rendering.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';

import '../widgets/semantics_tester.dart';

void main() {
  testWidgets('Card can take semantic text from multiple children', (WidgetTester tester) async {
15
    final SemanticsTester semantics = SemanticsTester(tester);
16
    await tester.pumpWidget(
17
      Directionality(
18
        textDirection: TextDirection.ltr,
19 20 21
        child: Material(
          child: Center(
            child: Card(
22
              semanticContainer: false,
23
              child: Column(
24 25 26
                children: <Widget>[
                  const Text('I am text!'),
                  const Text('Moar text!!1'),
27
                  MaterialButton(
28 29
                    child: const Text('Button'),
                    onPressed: () { },
30
                  ),
31
                ],
32
              ),
33 34 35 36 37 38 39
            ),
          ),
        ),
      ),
    );

    expect(semantics, hasSemantics(
40
      TestSemantics.root(
41
        children: <TestSemantics>[
42
          TestSemantics(
43
            id: 1,
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
            elevation: 1.0,
            thickness: 0.0,
            children: <TestSemantics>[
              TestSemantics(
                id: 2,
                label: 'I am text!',
                textDirection: TextDirection.ltr,
              ),
              TestSemantics(
                id: 3,
                label: 'Moar text!!1',
                textDirection: TextDirection.ltr,
              ),
              TestSemantics(
                id: 4,
                label: 'Button',
                textDirection: TextDirection.ltr,
                actions: <SemanticsAction>[
                  SemanticsAction.tap,
                ],
                flags: <SemanticsFlag>[
                  SemanticsFlag.hasEnabledState,
66
                  SemanticsFlag.isButton,
67
                  SemanticsFlag.isEnabled,
68
                  SemanticsFlag.isFocusable,
69 70
                ],
              ),
71
            ],
72
          ),
73 74 75 76 77 78 79 80 81 82
        ],
      ),
      ignoreTransform: true,
      ignoreRect: true,
    ));

    semantics.dispose();
  });

  testWidgets('Card merges children when it is a semanticContainer', (WidgetTester tester) async {
83
    final SemanticsTester semantics = SemanticsTester(tester);
84 85 86
    debugResetSemanticsIdCounter();

    await tester.pumpWidget(
87
      Directionality(
88
        textDirection: TextDirection.ltr,
89 90 91
        child: Material(
          child: Center(
            child: Card(
92
              semanticContainer: true,
93
              child: Column(
94 95
                children: const <Widget>[
                  Text('First child'),
96
                  Text('Second child'),
97
                ],
98
              ),
99 100 101 102 103 104 105
            ),
          ),
        ),
      ),
    );

    expect(semantics, hasSemantics(
106
      TestSemantics.root(
107
        children: <TestSemantics>[
108
          TestSemantics(
109 110 111
            id: 1,
            label: 'First child\nSecond child',
            textDirection: TextDirection.ltr,
112 113 114 115 116 117 118 119 120 121
          ),
        ],
      ),
      ignoreTransform: true,
      ignoreRect: true,
    ));

    semantics.dispose();
  });

122
  testWidgets('Card margin', (WidgetTester tester) async {
123
    const Key contentsKey = ValueKey<String>('contents');
124 125

    await tester.pumpWidget(
126
      Container(
127
        alignment: Alignment.topLeft,
128 129
        child: Card(
          child: Container(
130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146
            key: contentsKey,
            color: const Color(0xFF00FF00),
            width: 100.0,
            height: 100.0,
          ),
        ),
      ),
    );

    // Default margin is 4
    expect(tester.getTopLeft(find.byType(Card)), const Offset(0.0, 0.0));
    expect(tester.getSize(find.byType(Card)), const Size(108.0, 108.0));

    expect(tester.getTopLeft(find.byKey(contentsKey)), const Offset(4.0, 4.0));
    expect(tester.getSize(find.byKey(contentsKey)), const Size(100.0, 100.0));

    await tester.pumpWidget(
147
      Container(
148
        alignment: Alignment.topLeft,
149
        child: Card(
150
          margin: EdgeInsets.zero,
151
          child: Container(
152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168
            key: contentsKey,
            color: const Color(0xFF00FF00),
            width: 100.0,
            height: 100.0,
          ),
        ),
      ),
    );

    // Specified margin is zero
    expect(tester.getTopLeft(find.byType(Card)), const Offset(0.0, 0.0));
    expect(tester.getSize(find.byType(Card)), const Size(100.0, 100.0));

    expect(tester.getTopLeft(find.byKey(contentsKey)), const Offset(0.0, 0.0));
    expect(tester.getSize(find.byKey(contentsKey)), const Size(100.0, 100.0));
  });

169 170 171 172 173 174 175
  testWidgets('Card clipBehavior property passes through to the Material', (WidgetTester tester) async {
    await tester.pumpWidget(const Card());
    expect(tester.widget<Material>(find.byType(Material)).clipBehavior, Clip.none);

    await tester.pumpWidget(const Card(clipBehavior: Clip.antiAlias));
    expect(tester.widget<Material>(find.byType(Material)).clipBehavior, Clip.antiAlias);
  });
176 177 178

  testWidgets('Card clipBehavior property defers to theme when null', (WidgetTester tester) async {
    await tester.pumpWidget(Builder(builder: (BuildContext context) {
179
      final ThemeData themeData = Theme.of(context)!;
180 181 182 183 184 185 186 187 188 189 190
      return Theme(
        data: themeData.copyWith(
          cardTheme: themeData.cardTheme.copyWith(
            clipBehavior: Clip.antiAliasWithSaveLayer,
          ),
        ),
        child: const Card(clipBehavior: null),
      );
    }));
    expect(tester.widget<Material>(find.byType(Material)).clipBehavior, Clip.antiAliasWithSaveLayer);
  });
191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223

  testWidgets('Card shadowColor', (WidgetTester tester) async {
    Material _getCardMaterial(WidgetTester tester) {
      return tester.widget<Material>(
        find.descendant(
          of: find.byType(Card),
          matching: find.byType(Material),
        ),
      );
    }

    Card _getCard(WidgetTester tester) {
      return tester.widget<Card>(
          find.byType(Card)
      );
    }

    await tester.pumpWidget(
      const Card(),
    );

    expect(_getCard(tester).shadowColor, null);
    expect(_getCardMaterial(tester).shadowColor, const Color(0xFF000000));

    await tester.pumpWidget(
      const Card(
        shadowColor: Colors.red,
      ),
    );

    expect(_getCardMaterial(tester).shadowColor, _getCard(tester).shadowColor);
    expect(_getCardMaterial(tester).shadowColor, Colors.red);
  });
224
}