text_form_field_test.dart 8.77 KB
Newer Older
Ian Hickson's avatar
Ian Hickson committed
1
// Copyright 2014 The Flutter Authors. All rights reserved.
2 3 4 5
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/material.dart';
6
import 'package:flutter/services.dart';
7
import 'package:flutter_test/flutter_test.dart';
8 9 10
import 'package:flutter/rendering.dart';

import '../rendering/mock_canvas.dart';
11 12 13 14 15 16

void main() {
  testWidgets('Passes textAlign to underlying TextField', (WidgetTester tester) async {
    const TextAlign alignment = TextAlign.center;

    await tester.pumpWidget(
17 18 19 20
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
21 22 23 24 25 26 27 28 29 30 31 32 33
              textAlign: alignment,
            ),
          ),
        ),
      ),
    );

    final Finder textFieldFinder = find.byType(TextField);
    expect(textFieldFinder, findsOneWidget);

    final TextField textFieldWidget = tester.widget(textFieldFinder);
    expect(textFieldWidget.textAlign, alignment);
  });
34

35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
  testWidgets('Passes textAlignVertical to underlying TextField', (WidgetTester tester) async {
    const TextAlignVertical textAlignVertical = TextAlignVertical.bottom;

    await tester.pumpWidget(
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
              textAlignVertical: textAlignVertical,
            ),
          ),
        ),
      ),
    );

    final Finder textFieldFinder = find.byType(TextField);
    expect(textFieldFinder, findsOneWidget);

    final TextField textFieldWidget = tester.widget(textFieldFinder);
    expect(textFieldWidget.textAlignVertical, textAlignVertical);
  });

57 58
  testWidgets('Passes textInputAction to underlying TextField', (WidgetTester tester) async {
    await tester.pumpWidget(
59 60 61 62
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
63 64 65 66 67 68 69 70 71 72 73 74 75 76 77
              textInputAction: TextInputAction.next,
            ),
          ),
        ),
      ),
    );

    final Finder textFieldFinder = find.byType(TextField);
    expect(textFieldFinder, findsOneWidget);

    final TextField textFieldWidget = tester.widget(textFieldFinder);
    expect(textFieldWidget.textInputAction, TextInputAction.next);
  });

  testWidgets('Passes onEditingComplete to underlying TextField', (WidgetTester tester) async {
78
    final VoidCallback onEditingComplete = () { };
79 80

    await tester.pumpWidget(
81 82 83 84
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
85 86 87 88 89 90 91 92 93 94 95 96 97 98
              onEditingComplete: onEditingComplete,
            ),
          ),
        ),
      ),
    );

    final Finder textFieldFinder = find.byType(TextField);
    expect(textFieldFinder, findsOneWidget);

    final TextField textFieldWidget = tester.widget(textFieldFinder);
    expect(textFieldWidget.onEditingComplete, onEditingComplete);
  });

99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126
  testWidgets('Passes cursor attributes to underlying TextField', (WidgetTester tester) async {
    const double cursorWidth = 3.14;
    const Radius cursorRadius = Radius.circular(4);
    const Color cursorColor = Colors.purple;

    await tester.pumpWidget(
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
              cursorWidth: cursorWidth,
              cursorRadius: cursorRadius,
              cursorColor: cursorColor,
            ),
          ),
        ),
      ),
    );

    final Finder textFieldFinder = find.byType(TextField);
    expect(textFieldFinder, findsOneWidget);

    final TextField textFieldWidget = tester.widget(textFieldFinder);
    expect(textFieldWidget.cursorWidth, cursorWidth);
    expect(textFieldWidget.cursorRadius, cursorRadius);
    expect(textFieldWidget.cursorColor, cursorColor);
  });

127 128 129 130
  testWidgets('onFieldSubmit callbacks are called', (WidgetTester tester) async {
    bool _called = false;

    await tester.pumpWidget(
131 132 133 134
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
135 136 137 138 139 140 141 142
              onFieldSubmitted: (String value) { _called = true; },
            ),
          ),
        ),
      ),
    );

    await tester.showKeyboard(find.byType(TextField));
143
    await tester.testTextInput.receiveAction(TextInputAction.done);
144 145 146
    await tester.pump();
    expect(_called, true);
  });
147

148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169
  testWidgets('onChanged callbacks are called', (WidgetTester tester) async {
    String _value;

    await tester.pumpWidget(
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
              onChanged: (String value) {
                _value = value;
              },
            ),
          ),
        ),
      ),
    );

    await tester.enterText(find.byType(TextField), 'Soup');
    await tester.pump();
    expect(_value, 'Soup');
  });

170 171 172 173
  testWidgets('autovalidate is passed to super', (WidgetTester tester) async {
    int _validateCalled = 0;

    await tester.pumpWidget(
174 175 176 177
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
178
              autovalidate: true,
179 180 181 182
              validator: (String value) {
                _validateCalled++;
                return null;
              },
183 184 185 186 187 188 189 190 191 192 193
            ),
          ),
        ),
      ),
    );

    expect(_validateCalled, 1);
    await tester.enterText(find.byType(TextField), 'a');
    await tester.pump();
    expect(_validateCalled, 2);
  });
194 195 196 197 198 199 200 201 202 203 204

  testWidgets('validate is called if widget is enabled', (WidgetTester tester) async {
    int _validateCalled = 0;

    await tester.pumpWidget(
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
              enabled: true,
              autovalidate: true,
205 206 207 208
              validator: (String value) {
                _validateCalled += 1;
                return null;
              },
209 210 211 212 213 214 215 216 217 218 219
            ),
          ),
        ),
      ),
    );

    expect(_validateCalled, 1);
    await tester.enterText(find.byType(TextField), 'a');
    await tester.pump();
    expect(_validateCalled, 2);
  });
220 221 222 223 224 225

  testWidgets('passing a buildCounter shows returned widget', (WidgetTester tester) async {
    await tester.pumpWidget(MaterialApp(
      home: Material(
        child: Center(
            child: TextFormField(
226
              buildCounter: (BuildContext context, { int currentLength, int maxLength, bool isFocused }) {
227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242
                return Text('${currentLength.toString()} of ${maxLength.toString()}');
              },
              maxLength: 10,
            ),
          ),
        ),
      ),
    );

    expect(find.text('0 of 10'), findsOneWidget);

    await tester.enterText(find.byType(TextField), '01234');
    await tester.pump();

    expect(find.text('5 of 10'), findsOneWidget);
  });
243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284

  testWidgets('readonly text form field will hide cursor by default', (WidgetTester tester) async {
    await tester.pumpWidget(
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
              initialValue: 'readonly',
              readOnly: true,
            ),
          ),
        ),
      ),
    );

    await tester.showKeyboard(find.byType(TextFormField));
    expect(tester.testTextInput.hasAnyClients, false);

    await tester.tap(find.byType(TextField));
    await tester.pump();
    expect(tester.testTextInput.hasAnyClients, false);

    await tester.longPress(find.byType(TextFormField));
    await tester.pump();

    // Context menu should not have paste.
    expect(find.text('SELECT ALL'), findsOneWidget);
    expect(find.text('PASTE'), findsNothing);

    final EditableTextState editableTextState = tester.firstState(find.byType(EditableText));
    final RenderEditable renderEditable = editableTextState.renderEditable;

    // Make sure it does not paint caret for a period of time.
    await tester.pump(const Duration(milliseconds: 200));
    expect(renderEditable, paintsExactlyCountTimes(#drawRect, 0));

    await tester.pump(const Duration(milliseconds: 200));
    expect(renderEditable, paintsExactlyCountTimes(#drawRect, 0));

    await tester.pump(const Duration(milliseconds: 200));
    expect(renderEditable, paintsExactlyCountTimes(#drawRect, 0));
  });
285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311

  testWidgets('onTap is called upon tap', (WidgetTester tester) async {
    int tapCount = 0;
    await tester.pumpWidget(
      MaterialApp(
        home: Material(
          child: Center(
            child: TextFormField(
              onTap: () {
                tapCount += 1;
              },
            ),
          ),
        ),
      ),
    );

    expect(tapCount, 0);
    await tester.tap(find.byType(TextField));
    // Wait a bit so they're all single taps and not double taps.
    await tester.pump(const Duration(milliseconds: 300));
    await tester.tap(find.byType(TextField));
    await tester.pump(const Duration(milliseconds: 300));
    await tester.tap(find.byType(TextField));
    await tester.pump(const Duration(milliseconds: 300));
    expect(tapCount, 3);
  });
312
}