drawer_test.dart 10.8 KB
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// 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.

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import 'dart:ui';

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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter/widgets.dart';
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import 'semantics_tester.dart';

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void main() {

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  testWidgets('Drawer control test', (WidgetTester tester) async {
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    final GlobalKey<ScaffoldState> scaffoldKey = new GlobalKey<ScaffoldState>();
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    BuildContext savedContext;
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    await tester.pumpWidget(
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      new MaterialApp(
        home: new Builder(
          builder: (BuildContext context) {
            savedContext = context;
            return new Scaffold(
              key: scaffoldKey,
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              drawer: const Text('drawer'),
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              body: new Container(),
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            );
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          },
        ),
      ),
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    );
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    await tester.pump(); // no effect
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    expect(find.text('drawer'), findsNothing);
    scaffoldKey.currentState.openDrawer();
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    await tester.pump(); // drawer should be starting to animate in
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    expect(find.text('drawer'), findsOneWidget);
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    await tester.pump(const Duration(seconds: 1)); // animation done
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    expect(find.text('drawer'), findsOneWidget);
    Navigator.pop(savedContext);
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    await tester.pump(); // drawer should be starting to animate away
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    expect(find.text('drawer'), findsOneWidget);
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    await tester.pump(const Duration(seconds: 1)); // animation done
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    expect(find.text('drawer'), findsNothing);
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  });

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  testWidgets('Drawer tap test', (WidgetTester tester) async {
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    final GlobalKey<ScaffoldState> scaffoldKey = new GlobalKey<ScaffoldState>();
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    await tester.pumpWidget(
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      new MaterialApp(
        home: new Scaffold(
          key: scaffoldKey,
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          drawer: const Text('drawer'),
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          body: new Container(),
        ),
      ),
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    );
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    await tester.pump(); // no effect
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    expect(find.text('drawer'), findsNothing);
    scaffoldKey.currentState.openDrawer();
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    await tester.pump(); // drawer should be starting to animate in
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    expect(find.text('drawer'), findsOneWidget);
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    await tester.pump(const Duration(seconds: 1)); // animation done
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    expect(find.text('drawer'), findsOneWidget);
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    await tester.tap(find.text('drawer'));
    await tester.pump(); // nothing should have happened
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    expect(find.text('drawer'), findsOneWidget);
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    await tester.pump(const Duration(seconds: 1)); // ditto
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    expect(find.text('drawer'), findsOneWidget);
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    await tester.tapAt(const Offset(750.0, 100.0)); // on the mask
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    await tester.pump();
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    await tester.pump(const Duration(milliseconds: 10));
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    // drawer should be starting to animate away
    expect(find.text('drawer'), findsOneWidget);
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    await tester.pump(const Duration(seconds: 1)); // animation done
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    expect(find.text('drawer'), findsNothing);
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  });

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  testWidgets('Drawer drag cancel resume (LTR)', (WidgetTester tester) async {
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    final GlobalKey<ScaffoldState> scaffoldKey = new GlobalKey<ScaffoldState>();
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    await tester.pumpWidget(
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      new MaterialApp(
        home: new Scaffold(
          key: scaffoldKey,
          drawer: new Drawer(
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            child: new ListView(
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              children: <Widget>[
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                const Text('drawer'),
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                new Container(
                  height: 1000.0,
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                  color: Colors.blue[500],
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                ),
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              ],
            ),
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          ),
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          body: new Container(),
        ),
      ),
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    );
    expect(find.text('drawer'), findsNothing);
    scaffoldKey.currentState.openDrawer();
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    await tester.pump(); // drawer should be starting to animate in
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    expect(find.text('drawer'), findsOneWidget);
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    await tester.pump(const Duration(seconds: 1)); // animation done
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    expect(find.text('drawer'), findsOneWidget);
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    await tester.tapAt(const Offset(750.0, 100.0)); // on the mask
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    await tester.pump();
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    await tester.pump(const Duration(milliseconds: 10));
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    // drawer should be starting to animate away
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    final double textLeft = tester.getTopLeft(find.text('drawer')).dx;
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    expect(textLeft, lessThan(0.0));
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    final TestGesture gesture = await tester.startGesture(const Offset(100.0, 100.0));
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    // drawer should be stopped.
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    await tester.pump();
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    await tester.pump(const Duration(milliseconds: 10));
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    expect(tester.getTopLeft(find.text('drawer')).dx, equals(textLeft));
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    await gesture.moveBy(const Offset(50.0, 0.0));
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    // drawer should be returning to visible
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    await tester.pump();
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    await tester.pump(const Duration(seconds: 1));
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    expect(tester.getTopLeft(find.text('drawer')).dx, equals(0.0));

    await gesture.up();
  });

  testWidgets('Drawer drag cancel resume (RTL)', (WidgetTester tester) async {
    final GlobalKey<ScaffoldState> scaffoldKey = new GlobalKey<ScaffoldState>();
    await tester.pumpWidget(
      new MaterialApp(
        home: new Directionality(
          textDirection: TextDirection.rtl,
          child: new Scaffold(
            key: scaffoldKey,
            drawer: new Drawer(
              child: new ListView(
                children: <Widget>[
                  const Text('drawer'),
                  new Container(
                    height: 1000.0,
                    color: Colors.blue[500],
                  ),
                ],
              ),
            ),
            body: new Container(),
          ),
        ),
      ),
    );
    expect(find.text('drawer'), findsNothing);
    scaffoldKey.currentState.openDrawer();
    await tester.pump(); // drawer should be starting to animate in
    expect(find.text('drawer'), findsOneWidget);
    await tester.pump(const Duration(seconds: 1)); // animation done
    expect(find.text('drawer'), findsOneWidget);

    await tester.tapAt(const Offset(50.0, 100.0)); // on the mask
    await tester.pump();
    await tester.pump(const Duration(milliseconds: 10));
    // drawer should be starting to animate away
    final double textRight = tester.getTopRight(find.text('drawer')).dx;
    expect(textRight, greaterThan(800.0));

    final TestGesture gesture = await tester.startGesture(const Offset(700.0, 100.0));
    // drawer should be stopped.
    await tester.pump();
    await tester.pump(const Duration(milliseconds: 10));
    expect(tester.getTopRight(find.text('drawer')).dx, equals(textRight));

    await gesture.moveBy(const Offset(-50.0, 0.0));
    // drawer should be returning to visible
    await tester.pump();
    await tester.pump(const Duration(seconds: 1));
    expect(tester.getTopRight(find.text('drawer')).dx, equals(800.0));
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    await gesture.up();
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  });

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  testWidgets('Drawer navigator back button', (WidgetTester tester) async {
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    final GlobalKey<ScaffoldState> scaffoldKey = new GlobalKey<ScaffoldState>();
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    bool buttonPressed = false;

    await tester.pumpWidget(
      new MaterialApp(
        home: new Builder(
          builder: (BuildContext context) {
            return new Scaffold(
              key: scaffoldKey,
              drawer: new Drawer(
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                child: new ListView(
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                  children: <Widget>[
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                    const Text('drawer'),
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                    new FlatButton(
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                      child: const Text('close'),
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                      onPressed: () => Navigator.pop(context),
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                    ),
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                  ],
                ),
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              ),
              body: new Container(
                child: new FlatButton(
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                  child: const Text('button'),
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                  onPressed: () { buttonPressed = true; },
                ),
              ),
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            );
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          },
        ),
      ),
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    );

    // Open the drawer.
    scaffoldKey.currentState.openDrawer();
    await tester.pump(); // drawer should be starting to animate in
    expect(find.text('drawer'), findsOneWidget);

    // Tap the close button to pop the drawer route.
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    await tester.pump(const Duration(milliseconds: 100));
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    await tester.tap(find.text('close'));
    await tester.pump();
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    await tester.pump(const Duration(seconds: 1));
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    expect(find.text('drawer'), findsNothing);

    // Confirm that a button in the scaffold body is still clickable.
    await tester.tap(find.text('button'));
    expect(buttonPressed, equals(true));
  });

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  testWidgets('Dismissible ModalBarrier includes button in semantic tree on iOS', (WidgetTester tester) async {
    debugDefaultTargetPlatformOverride = TargetPlatform.iOS;

    final SemanticsTester semantics = new SemanticsTester(tester);
    final GlobalKey<ScaffoldState> scaffoldKey = new GlobalKey<ScaffoldState>();

    await tester.pumpWidget(
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      new MaterialApp(
        home: new Builder(
          builder: (BuildContext context) {
            return new Scaffold(
              key: scaffoldKey,
              drawer: const Drawer(),
            );
          },
        ),
      ),
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    );

    // Open the drawer.
    scaffoldKey.currentState.openDrawer();
    await tester.pump(const Duration(milliseconds: 100));

    expect(semantics, includesNodeWith(actions: <SemanticsAction>[SemanticsAction.tap]));

    semantics.dispose();

    debugDefaultTargetPlatformOverride = null;
  });

  testWidgets('Dismissible ModalBarrier is hidden on Android (back button is used to dismiss)', (WidgetTester tester) async {
    final SemanticsTester semantics = new SemanticsTester(tester);
    final GlobalKey<ScaffoldState> scaffoldKey = new GlobalKey<ScaffoldState>();

    await tester.pumpWidget(
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      new MaterialApp(
        home: new Builder(
          builder: (BuildContext context) {
            return new Scaffold(
              key: scaffoldKey,
              drawer: const Drawer(),
              body: new Container(),
            );
          },
        ),
      ),
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    );

    // Open the drawer.
    scaffoldKey.currentState.openDrawer();
    await tester.pump(const Duration(milliseconds: 100));

    expect(semantics, isNot(includesNodeWith(actions: <SemanticsAction>[SemanticsAction.tap])));

    semantics.dispose();
  });
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  testWidgets('Drawer contains route semantics flags', (WidgetTester tester) async {
    final SemanticsTester semantics = new SemanticsTester(tester);
    final GlobalKey<ScaffoldState> scaffoldKey = new GlobalKey<ScaffoldState>();

    await tester.pumpWidget(
      new MaterialApp(
        home: new Builder(
          builder: (BuildContext context) {
            return new Scaffold(
              key: scaffoldKey,
              drawer: const Drawer(),
              body: new Container(),
            );
          },
        ),
      ),
    );

    // Open the drawer.
    scaffoldKey.currentState.openDrawer();
    await tester.pump();
    await tester.pump(const Duration(milliseconds: 100));

    expect(semantics, includesNodeWith(
      label: 'Navigation menu',
      flags: <SemanticsFlag>[
        SemanticsFlag.scopesRoute,
        SemanticsFlag.namesRoute,
      ],
    ));

    semantics.dispose();
  });
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}
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