blob: eb59b902eb876c475c0909e2dfe05bca0333f051 [file] [log] [blame]
// 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/material.dart';
import 'package:flutter_api_samples/widgets/gesture_detector/gesture_detector.2.dart'
as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
void expectBorders(
WidgetTester tester, {
required bool expectGreenHasBorder,
required bool expectYellowHasBorder,
}) {
final Finder containerFinder = find.byType(Container);
final Finder greenFinder = containerFinder.first;
final Finder yellowFinder = containerFinder.last;
final Container greenContainer = tester.firstWidget<Container>(greenFinder);
final BoxDecoration? greenDecoration = greenContainer.decoration as BoxDecoration?;
expect(greenDecoration?.border, expectGreenHasBorder ? isNot(null) : null);
final Container yellowContainer = tester.firstWidget<Container>(yellowFinder);
final BoxDecoration? yellowDecoration = yellowContainer.decoration as BoxDecoration?;
expect(yellowDecoration?.border, expectYellowHasBorder ? isNot(null) : null);
}
void expectInnerGestureDetectorBehavior(WidgetTester tester, HitTestBehavior behavior) {
// There is a third GestureDetector added by Scaffold.
final Finder innerGestureDetectorFinder = find.byType(GestureDetector).at(1);
final GestureDetector innerGestureDetector = tester.firstWidget<GestureDetector>(innerGestureDetectorFinder);
expect(innerGestureDetector.behavior, behavior);
}
testWidgets('Only the green Container shows a red border when tapped', (WidgetTester tester) async {
await tester.pumpWidget(
const example.NestedGestureDetectorsApp(),
);
final Finder greenFinder = find.byType(Container).first;
final Offset greenTopLeftCorner = tester.getTopLeft(greenFinder);
await tester.tapAt(greenTopLeftCorner);
await tester.pumpAndSettle();
expectBorders(tester, expectGreenHasBorder: true, expectYellowHasBorder: false);
// Tap on the button to toggle inner GestureDetector.behavior
final Finder toggleBehaviorFinder = find.byType(ElevatedButton).last;
await tester.tap(toggleBehaviorFinder);
await tester.pump();
expectInnerGestureDetectorBehavior(tester, HitTestBehavior.translucent);
// Tap again on the green container, expect nothing changed
await tester.tapAt(greenTopLeftCorner);
await tester.pump();
expectBorders(tester, expectGreenHasBorder: true, expectYellowHasBorder: false);
// Tap on the reset button
final Finder resetFinder = find.byType(ElevatedButton).first;
await tester.tap(resetFinder);
await tester.pump();
expectInnerGestureDetectorBehavior(tester, HitTestBehavior.opaque);
});
testWidgets('Only the yellow Container shows a red border when tapped', (WidgetTester tester) async {
await tester.pumpWidget(
const example.NestedGestureDetectorsApp(),
);
final Finder yellowFinder = find.byType(Container).last;
final Offset yellowTopLeftCorner = tester.getTopLeft(yellowFinder);
await tester.tapAt(yellowTopLeftCorner);
await tester.pump();
expectBorders(tester, expectGreenHasBorder: false, expectYellowHasBorder: true);
// Tap on the button to toggle inner GestureDetector.behavior
final Finder toggleBehaviorFinder = find.byType(ElevatedButton).last;
await tester.tap(toggleBehaviorFinder);
await tester.pump();
expectInnerGestureDetectorBehavior(tester, HitTestBehavior.translucent);
// Tap again on the yellow container, expect nothing changed
await tester.tapAt(yellowTopLeftCorner);
await tester.pump();
expectBorders(tester, expectGreenHasBorder: false, expectYellowHasBorder: true);
// Tap on the reset button
final Finder resetFinder = find.byType(ElevatedButton).first;
await tester.tap(resetFinder);
await tester.pump();
expectInnerGestureDetectorBehavior(tester, HitTestBehavior.opaque);
});
}