Files
2019-08-13 20:38:46 +08:00

322 lines
10 KiB
Dart

// Copyright 2015 The Chromium 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 'dart:math' as math;
import 'package:flutter_web/material.dart';
import 'package:flutter_web_test/flutter_web_test.dart';
import '../rendering/mock_canvas.dart';
class TestCanvas implements Canvas {
final List<Invocation> invocations = <Invocation>[];
@override
void noSuchMethod(Invocation invocation) {
invocations.add(invocation);
}
}
void main() {
// the textDirection values below are intentionally sometimes different and
// sometimes the same as the layoutDirection, to make sure that they don't
// affect the layout.
test('A Banner with a location of topStart paints in the top left (LTR)', () {
final BannerPainter bannerPainter = BannerPainter(
message: 'foo',
textDirection: TextDirection.rtl,
location: BannerLocation.topStart,
layoutDirection: TextDirection.ltr,
);
final TestCanvas canvas = TestCanvas();
bannerPainter.paint(canvas, const Size(1000.0, 1000.0));
final Invocation translateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #translate;
});
expect(translateCommand, isNotNull);
expect(translateCommand.positionalArguments[0], lessThan(100.0));
expect(translateCommand.positionalArguments[1], lessThan(100.0));
final Invocation rotateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #rotate;
});
expect(rotateCommand, isNotNull);
expect(rotateCommand.positionalArguments[0], equals(-math.pi / 4.0));
});
test('A Banner with a location of topStart paints in the top right (RTL)',
() {
final BannerPainter bannerPainter = BannerPainter(
message: 'foo',
textDirection: TextDirection.ltr,
location: BannerLocation.topStart,
layoutDirection: TextDirection.rtl,
);
final TestCanvas canvas = TestCanvas();
bannerPainter.paint(canvas, const Size(1000.0, 1000.0));
final Invocation translateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #translate;
});
expect(translateCommand, isNotNull);
expect(translateCommand.positionalArguments[0], greaterThan(900.0));
expect(translateCommand.positionalArguments[1], lessThan(100.0));
final Invocation rotateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #rotate;
});
expect(rotateCommand, isNotNull);
expect(rotateCommand.positionalArguments[0], equals(math.pi / 4.0));
});
test('A Banner with a location of topEnd paints in the top right (LTR)', () {
final BannerPainter bannerPainter = BannerPainter(
message: 'foo',
textDirection: TextDirection.ltr,
location: BannerLocation.topEnd,
layoutDirection: TextDirection.ltr,
);
final TestCanvas canvas = TestCanvas();
bannerPainter.paint(canvas, const Size(1000.0, 1000.0));
final Invocation translateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #translate;
});
expect(translateCommand, isNotNull);
expect(translateCommand.positionalArguments[0], greaterThan(900.0));
expect(translateCommand.positionalArguments[1], lessThan(100.0));
final Invocation rotateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #rotate;
});
expect(rotateCommand, isNotNull);
expect(rotateCommand.positionalArguments[0], equals(math.pi / 4.0));
});
test('A Banner with a location of topEnd paints in the top left (RTL)', () {
final BannerPainter bannerPainter = BannerPainter(
message: 'foo',
textDirection: TextDirection.rtl,
location: BannerLocation.topEnd,
layoutDirection: TextDirection.rtl,
);
final TestCanvas canvas = TestCanvas();
bannerPainter.paint(canvas, const Size(1000.0, 1000.0));
final Invocation translateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #translate;
});
expect(translateCommand, isNotNull);
expect(translateCommand.positionalArguments[0], lessThan(100.0));
expect(translateCommand.positionalArguments[1], lessThan(100.0));
final Invocation rotateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #rotate;
});
expect(rotateCommand, isNotNull);
expect(rotateCommand.positionalArguments[0], equals(-math.pi / 4.0));
});
test(
'A Banner with a location of bottomStart paints in the bottom left (LTR)',
() {
final BannerPainter bannerPainter = BannerPainter(
message: 'foo',
textDirection: TextDirection.ltr,
location: BannerLocation.bottomStart,
layoutDirection: TextDirection.ltr,
);
final TestCanvas canvas = TestCanvas();
bannerPainter.paint(canvas, const Size(1000.0, 1000.0));
final Invocation translateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #translate;
});
expect(translateCommand, isNotNull);
expect(translateCommand.positionalArguments[0], lessThan(100.0));
expect(translateCommand.positionalArguments[1], greaterThan(900.0));
final Invocation rotateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #rotate;
});
expect(rotateCommand, isNotNull);
expect(rotateCommand.positionalArguments[0], equals(math.pi / 4.0));
});
test(
'A Banner with a location of bottomStart paints in the bottom right (RTL)',
() {
final BannerPainter bannerPainter = BannerPainter(
message: 'foo',
textDirection: TextDirection.rtl,
location: BannerLocation.bottomStart,
layoutDirection: TextDirection.rtl,
);
final TestCanvas canvas = TestCanvas();
bannerPainter.paint(canvas, const Size(1000.0, 1000.0));
final Invocation translateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #translate;
});
expect(translateCommand, isNotNull);
expect(translateCommand.positionalArguments[0], greaterThan(900.0));
expect(translateCommand.positionalArguments[1], greaterThan(900.0));
final Invocation rotateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #rotate;
});
expect(rotateCommand, isNotNull);
expect(rotateCommand.positionalArguments[0], equals(-math.pi / 4.0));
});
test('A Banner with a location of bottomEnd paints in the bottom right (LTR)',
() {
final BannerPainter bannerPainter = BannerPainter(
message: 'foo',
textDirection: TextDirection.rtl,
location: BannerLocation.bottomEnd,
layoutDirection: TextDirection.ltr,
);
final TestCanvas canvas = TestCanvas();
bannerPainter.paint(canvas, const Size(1000.0, 1000.0));
final Invocation translateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #translate;
});
expect(translateCommand, isNotNull);
expect(translateCommand.positionalArguments[0], greaterThan(900.0));
expect(translateCommand.positionalArguments[1], greaterThan(900.0));
final Invocation rotateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #rotate;
});
expect(rotateCommand, isNotNull);
expect(rotateCommand.positionalArguments[0], equals(-math.pi / 4.0));
});
test('A Banner with a location of bottomEnd paints in the bottom left (RTL)',
() {
final BannerPainter bannerPainter = BannerPainter(
message: 'foo',
textDirection: TextDirection.ltr,
location: BannerLocation.bottomEnd,
layoutDirection: TextDirection.rtl,
);
final TestCanvas canvas = TestCanvas();
bannerPainter.paint(canvas, const Size(1000.0, 1000.0));
final Invocation translateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #translate;
});
expect(translateCommand, isNotNull);
expect(translateCommand.positionalArguments[0], lessThan(100.0));
expect(translateCommand.positionalArguments[1], greaterThan(900.0));
final Invocation rotateCommand =
canvas.invocations.firstWhere((Invocation invocation) {
return invocation.memberName == #rotate;
});
expect(rotateCommand, isNotNull);
expect(rotateCommand.positionalArguments[0], equals(math.pi / 4.0));
});
testWidgets('Banner widget', (WidgetTester tester) async {
debugDisableShadows = false;
await tester.pumpWidget(
const Directionality(
textDirection: TextDirection.ltr,
child: Banner(message: 'Hello', location: BannerLocation.topEnd),
),
);
expect(
find.byType(CustomPaint),
paints
..save()
..translate(x: 800.0, y: 0.0)
..rotate(angle: math.pi / 4.0)
..rect(
rect: Rect.fromLTRB(-40.0, 28.0, 40.0, 40.0),
color: const Color(0x7f000000),
hasMaskFilter: true)
..rect(
rect: Rect.fromLTRB(-40.0, 28.0, 40.0, 40.0),
color: const Color(0xa0b71c1c),
hasMaskFilter: false)
..paragraph(offset: const Offset(-40.0, 29.0))
..restore());
debugDisableShadows = true;
});
testWidgets('Banner widget in MaterialApp', (WidgetTester tester) async {
debugDisableShadows = false;
await tester.pumpWidget(const MaterialApp(home: Placeholder()));
expect(
find.byType(CheckedModeBanner),
paints
..save()
..translate(x: 800.0, y: 0.0)
..rotate(angle: math.pi / 4.0)
..rect(
rect: Rect.fromLTRB(-40.0, 28.0, 40.0, 40.0),
color: const Color(0x7f000000),
hasMaskFilter: true)
..rect(
rect: Rect.fromLTRB(-40.0, 28.0, 40.0, 40.0),
color: const Color(0xa0b71c1c),
hasMaskFilter: false)
..paragraph(offset: const Offset(-40.0, 29.0))
..restore());
debugDisableShadows = true;
});
}