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f054f5aa09
Fixes https://github.com/flutter/flutter/issues/59413 This relocates `mock_canvas.dart` and `recording_canvas.dart` from `flutter/test/rendering` to `flutter_test`. The testing functionality afforded by mock_canvas should be available to everyone, not just the framework. :) mock_canvas.dart needed a bit of cleanup - things like formatting and super parameters.
75 lines
2.4 KiB
Dart
75 lines
2.4 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/rendering.dart';
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import 'package:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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/// Unit tests error.dart's usage via ErrorWidget.
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void main() {
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const String errorMessage = 'Some error message';
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testWidgets('test draw error paragraph', (WidgetTester tester) async {
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await tester.pumpWidget(ErrorWidget(Exception(errorMessage)));
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expect(
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find.byType(ErrorWidget),
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paints
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..rect(rect: const Rect.fromLTWH(0.0, 0.0, 800.0, 600.0))
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..paragraph(offset: const Offset(64.0, 96.0)),
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);
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final Widget error = Builder(builder: (BuildContext context) => throw 'pillow');
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await tester.pumpWidget(Center(child: SizedBox(width: 100.0, child: error)));
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expect(tester.takeException(), 'pillow');
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expect(
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find.byType(ErrorWidget),
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paints
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..rect(rect: const Rect.fromLTWH(0.0, 0.0, 100.0, 600.0))
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..paragraph(offset: const Offset(0.0, 96.0)),
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);
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await tester.pumpWidget(Center(child: SizedBox(height: 100.0, child: error)));
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expect(tester.takeException(), null);
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await tester.pumpWidget(Center(child: SizedBox(key: UniqueKey(), height: 100.0, child: error)));
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expect(tester.takeException(), 'pillow');
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expect(
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find.byType(ErrorWidget),
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paints
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..rect(rect: const Rect.fromLTWH(0.0, 0.0, 800.0, 100.0))
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..paragraph(offset: const Offset(64.0, 0.0)),
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);
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RenderErrorBox.minimumWidth = 800.0;
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await tester.pumpWidget(Center(child: error));
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expect(tester.takeException(), 'pillow');
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expect(
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find.byType(ErrorWidget),
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paints
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..rect(rect: const Rect.fromLTWH(0.0, 0.0, 800.0, 600.0))
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..paragraph(offset: const Offset(0.0, 96.0)),
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);
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await tester.pumpWidget(Center(child: error));
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expect(tester.takeException(), null);
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expect(
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find.byType(ErrorWidget),
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paints
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..rect(color: const Color(0xF0900000))
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..paragraph(),
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);
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RenderErrorBox.backgroundColor = const Color(0xFF112233);
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await tester.pumpWidget(Center(child: error));
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expect(tester.takeException(), null);
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expect(
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find.byType(ErrorWidget),
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paints
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..rect(color: const Color(0xFF112233))
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..paragraph(),
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);
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});
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}
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