semantics_2_test.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 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:test/test.dart';

import 'test_semantics.dart';

void main() {
  test('Semantics 2', () {
    testWidgets((WidgetTester tester) {
      TestSemanticsListener client = new TestSemanticsListener();

      // this test is the same as the test in Semantics 1, but
      // starting with the second branch being ignored and then
      // switching to not ignoring it.

      // forking semantics
      tester.pumpWidget(
        new Column(
          children: <Widget>[
            new Container(
              height: 10.0,
              child: new Semantics(label: 'child1')
            ),
            new Container(
              height: 10.0,
              child: new IgnorePointer(
                ignoring: false,
                child: new Semantics(label: 'child2')
              )
            ),
          ],
          alignItems: FlexAlignItems.stretch
        )
      );
      expect(client.updates.length, equals(2));
      expect(client.updates[0].id, equals(0));
      expect(client.updates[0].flags.canBeTapped, isFalse);
      expect(client.updates[0].flags.canBeLongPressed, isFalse);
      expect(client.updates[0].flags.canBeScrolledHorizontally, isFalse);
      expect(client.updates[0].flags.canBeScrolledVertically, isFalse);
      expect(client.updates[0].flags.hasCheckedState, isFalse);
      expect(client.updates[0].flags.isChecked, isFalse);
      expect(client.updates[0].strings.label, equals(''));
      expect(client.updates[0].geometry.transform, isNull);
      expect(client.updates[0].geometry.left, equals(0.0));
      expect(client.updates[0].geometry.top, equals(0.0));
      expect(client.updates[0].geometry.width, equals(800.0));
      expect(client.updates[0].geometry.height, equals(600.0));
      expect(client.updates[0].children.length, equals(2));
      expect(client.updates[0].children[0].id, equals(1));
      expect(client.updates[0].children[0].flags.canBeTapped, isFalse);
      expect(client.updates[0].children[0].flags.canBeLongPressed, isFalse);
      expect(client.updates[0].children[0].flags.canBeScrolledHorizontally, isFalse);
      expect(client.updates[0].children[0].flags.canBeScrolledVertically, isFalse);
      expect(client.updates[0].children[0].flags.hasCheckedState, isFalse);
      expect(client.updates[0].children[0].flags.isChecked, isFalse);
      expect(client.updates[0].children[0].strings.label, equals('child1'));
      expect(client.updates[0].children[0].geometry.transform, isNull);
      expect(client.updates[0].children[0].geometry.left, equals(0.0));
      expect(client.updates[0].children[0].geometry.top, equals(0.0));
      expect(client.updates[0].children[0].geometry.width, equals(800.0));
      expect(client.updates[0].children[0].geometry.height, equals(10.0));
      expect(client.updates[0].children[0].children.length, equals(0));
      expect(client.updates[0].children[1].id, equals(2));
      expect(client.updates[0].children[1].flags.canBeTapped, isFalse);
      expect(client.updates[0].children[1].flags.canBeLongPressed, isFalse);
      expect(client.updates[0].children[1].flags.canBeScrolledHorizontally, isFalse);
      expect(client.updates[0].children[1].flags.canBeScrolledVertically, isFalse);
      expect(client.updates[0].children[1].flags.hasCheckedState, isFalse);
      expect(client.updates[0].children[1].flags.isChecked, isFalse);
      expect(client.updates[0].children[1].strings.label, equals('child2'));
      expect(client.updates[0].children[1].geometry.transform, equals([1.0,0.0,0.0,0.0, 0.0,1.0,0.0,0.0, 0.0,0.0,1.0,0.0, 0.0,10.0,0.0,1.0]));
      expect(client.updates[0].children[1].geometry.left, equals(0.0));
      expect(client.updates[0].children[1].geometry.top, equals(0.0));
      expect(client.updates[0].children[1].geometry.width, equals(800.0));
      expect(client.updates[0].children[1].geometry.height, equals(10.0));
      expect(client.updates[0].children[1].children.length, equals(0));
      expect(client.updates[1], isNull);
      client.updates.clear();

      // toggle a branch off
      tester.pumpWidget(
        new Column(
          children: <Widget>[
            new Container(
              height: 10.0,
              child: new Semantics(label: 'child1')
            ),
            new Container(
              height: 10.0,
              child: new IgnorePointer(
                ignoring: true,
                child: new Semantics(label: 'child2')
              )
            ),
          ],
          alignItems: FlexAlignItems.stretch
        )
      );
      expect(client.updates.length, equals(2));
      expect(client.updates[0].id, equals(0));
      expect(client.updates[0].flags.canBeTapped, isFalse);
      expect(client.updates[0].flags.canBeLongPressed, isFalse);
      expect(client.updates[0].flags.canBeScrolledHorizontally, isFalse);
      expect(client.updates[0].flags.canBeScrolledVertically, isFalse);
      expect(client.updates[0].flags.hasCheckedState, isFalse);
      expect(client.updates[0].flags.isChecked, isFalse);
      expect(client.updates[0].strings.label, equals('child1'));
      expect(client.updates[0].geometry.transform, isNull);
      expect(client.updates[0].geometry.left, equals(0.0));
      expect(client.updates[0].geometry.top, equals(0.0));
      expect(client.updates[0].geometry.width, equals(800.0));
      expect(client.updates[0].geometry.height, equals(600.0));
      expect(client.updates[0].children.length, equals(0));
      expect(client.updates[1], isNull);
      client.updates.clear();

      // toggle a branch back on
      tester.pumpWidget(
        new Column(
          children: <Widget>[
            new Container(
              height: 10.0,
              child: new Semantics(label: 'child1')
            ),
            new Container(
              height: 10.0,
              child: new IgnorePointer(
                ignoring: false,
                child: new Semantics(label: 'child2')
              )
            ),
          ],
          alignItems: FlexAlignItems.stretch
        )
      );
      expect(client.updates.length, equals(2));
      expect(client.updates[0].id, equals(0));
      expect(client.updates[0].flags.canBeTapped, isFalse);
      expect(client.updates[0].flags.canBeLongPressed, isFalse);
      expect(client.updates[0].flags.canBeScrolledHorizontally, isFalse);
      expect(client.updates[0].flags.canBeScrolledVertically, isFalse);
      expect(client.updates[0].flags.hasCheckedState, isFalse);
      expect(client.updates[0].flags.isChecked, isFalse);
      expect(client.updates[0].strings.label, equals(''));
      expect(client.updates[0].geometry.transform, isNull);
      expect(client.updates[0].geometry.left, equals(0.0));
      expect(client.updates[0].geometry.top, equals(0.0));
      expect(client.updates[0].geometry.width, equals(800.0));
      expect(client.updates[0].geometry.height, equals(600.0));
      expect(client.updates[0].children.length, equals(2));
      expect(client.updates[0].children[0].id, equals(3));
      expect(client.updates[0].children[0].flags.canBeTapped, isFalse);
      expect(client.updates[0].children[0].flags.canBeLongPressed, isFalse);
      expect(client.updates[0].children[0].flags.canBeScrolledHorizontally, isFalse);
      expect(client.updates[0].children[0].flags.canBeScrolledVertically, isFalse);
      expect(client.updates[0].children[0].flags.hasCheckedState, isFalse);
      expect(client.updates[0].children[0].flags.isChecked, isFalse);
      expect(client.updates[0].children[0].strings.label, equals('child1'));
      expect(client.updates[0].children[0].geometry.transform, isNull);
      expect(client.updates[0].children[0].geometry.left, equals(0.0));
      expect(client.updates[0].children[0].geometry.top, equals(0.0));
      expect(client.updates[0].children[0].geometry.width, equals(800.0));
      expect(client.updates[0].children[0].geometry.height, equals(10.0));
      expect(client.updates[0].children[0].children.length, equals(0));
      expect(client.updates[0].children[1].id, equals(2));
      expect(client.updates[0].children[1].flags.canBeTapped, isFalse);
      expect(client.updates[0].children[1].flags.canBeLongPressed, isFalse);
      expect(client.updates[0].children[1].flags.canBeScrolledHorizontally, isFalse);
      expect(client.updates[0].children[1].flags.canBeScrolledVertically, isFalse);
      expect(client.updates[0].children[1].flags.hasCheckedState, isFalse);
      expect(client.updates[0].children[1].flags.isChecked, isFalse);
      expect(client.updates[0].children[1].strings.label, equals('child2'));
      expect(client.updates[0].children[1].geometry.transform, equals([1.0,0.0,0.0,0.0, 0.0,1.0,0.0,0.0, 0.0,0.0,1.0,0.0, 0.0,10.0,0.0,1.0]));
      expect(client.updates[0].children[1].geometry.left, equals(0.0));
      expect(client.updates[0].children[1].geometry.top, equals(0.0));
      expect(client.updates[0].children[1].geometry.width, equals(800.0));
      expect(client.updates[0].children[1].geometry.height, equals(10.0));
      expect(client.updates[0].children[1].children.length, equals(0));
      expect(client.updates[1], isNull);
      client.updates.clear();
    });
  });
}