• Ian Hickson's avatar
    Make it possible to run tests live on a device (#3936) · 32527017
    Ian Hickson authored
    This makes it possible to substitute 'flutter run' for 'flutter test'
    and actually watch a test run on a device.
    
    For any test that depends on flutter_test:
    
    1. Remove any import of 'package:test/test.dart'.
    
    2. Replace `testWidgets('...', (WidgetTester tester) {`
          with `testWidgets('...', (WidgetTester tester) async {`
    
    3. Add an "await" in front of calls to any of the following:
        * tap()
        * tapAt()
        * fling()
        * flingFrom()
        * scroll()
        * scrollAt()
        * pump()
        * pumpWidget()
    
    4. Replace any calls to `tester.flushMicrotasks()` with calls to
       `await tester.idle()`.
    
    There's a guarding API that you can use, if you have particularly
    complicated tests, to get better error messages. Search for
    TestAsyncUtils.
    32527017
viewport_test.dart 1.27 KB
// 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 'package:flutter/rendering.dart';
import 'package:test/test.dart';

import 'rendering_tester.dart';

void main() {
  test('Should be able to hit with positive paint offset', () {
    RenderBox green = new RenderDecoratedBox(
      decoration: new BoxDecoration(
        backgroundColor: const Color(0xFF00FF00)
      ));

    RenderBox size = new RenderConstrainedBox(
      additionalConstraints: new BoxConstraints.tight(const Size(100.0, 100.0)),
      child: green);

    RenderBox red = new RenderDecoratedBox(
      decoration: new BoxDecoration(
        backgroundColor: const Color(0xFFFF0000)
      ),
      child: size);

    RenderViewport viewport = new RenderViewport(child: red, paintOffset: new Offset(0.0, 10.0));
    layout(viewport);

    HitTestResult result;

    result = new HitTestResult();
    renderer.renderView.hitTest(result, position: new Point(15.0, 0.0));
    expect(result.path.first.target.runtimeType, equals(RenderView));

    result = new HitTestResult();
    renderer.renderView.hitTest(result, position: new Point(15.0, 15.0));
    expect(result.path.first.target, equals(green));
  });
}