chen08209
99 lines
3.2 KiB
Dart
99 lines
3.2 KiB
Dart
import 'package:fl_clash/widgets/widgets.dart';
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import 'package:material_ui/material_ui.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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Widget buildEntries(List<String> items, {bool grouped = false}) {
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return MaterialApp(
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home: Scaffold(
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body: AnimatedEntries(
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grouped: grouped,
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children: [
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for (final item in items)
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SizedBox(
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key: ValueKey(item),
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height: 40,
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child: Builder(
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builder: (context) => Text(
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'$item ${ItemPositionProvider.of(context)?.position.name}',
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),
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),
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),
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],
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),
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),
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);
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}
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Finder row(String item) => find.byWidgetPredicate(
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(widget) => widget is SizedBox && widget.key == ValueKey(item),
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);
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double topOf(WidgetTester tester, String item) =>
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tester.getTopLeft(row(item)).dy;
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test('keepLeaving holds a removed item before the one it preceded', () {
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expect(keepLeaving(['a', 'b', 'c', 'd'], ['a', 'd', 'e'], (item) => item), [
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'a',
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'b',
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'c',
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'd',
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'e',
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]);
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expect(keepLeaving(['a', 'b'], ['b', 'a'], (item) => item), ['b', 'a']);
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expect(keepLeaving(['a', 'b'], ['a'], (item) => item), ['a', 'b']);
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});
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testWidgets('a removed entry collapses before leaving the tree', (
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tester,
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) async {
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await tester.pumpWidget(buildEntries(const ['a', 'b', 'c']));
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await tester.pumpWidget(buildEntries(const ['a', 'c']));
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await tester.pump();
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expect(row('b'), findsOneWidget);
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await tester.pump(const Duration(milliseconds: 150));
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expect(topOf(tester, 'c'), inExclusiveRange(40, 80));
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await tester.pumpAndSettle();
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expect(row('b'), findsNothing);
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expect(topOf(tester, 'c'), 40);
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});
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testWidgets('an added entry grows in', (tester) async {
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await tester.pumpWidget(buildEntries(const ['a', 'c']));
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await tester.pumpWidget(buildEntries(const ['a', 'b', 'c']));
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await tester.pump(const Duration(milliseconds: 150));
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expect(topOf(tester, 'c'), inExclusiveRange(40, 80));
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await tester.pumpAndSettle();
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expect(topOf(tester, 'c'), 80);
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});
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testWidgets('an entry put back while collapsing grows back', (tester) async {
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await tester.pumpWidget(buildEntries(const ['a', 'b', 'c']));
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await tester.pumpWidget(buildEntries(const ['a', 'c']));
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await tester.pump(const Duration(milliseconds: 150));
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await tester.pumpWidget(buildEntries(const ['a', 'b', 'c']));
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await tester.pumpAndSettle();
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expect(row('b'), findsOneWidget);
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expect(topOf(tester, 'c'), 80);
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});
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testWidgets('grouped rows close up while a leaving one keeps its place', (
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tester,
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) async {
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await tester.pumpWidget(buildEntries(const ['a', 'b', 'c'], grouped: true));
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expect(find.text('c ${ItemPosition.end.name}'), findsOneWidget);
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await tester.pumpWidget(buildEntries(const ['a', 'b'], grouped: true));
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await tester.pump();
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expect(find.text('b ${ItemPosition.end.name}'), findsOneWidget);
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expect(find.text('c ${ItemPosition.end.name}'), findsOneWidget);
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await tester.pumpAndSettle();
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expect(row('c'), findsNothing);
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});
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}
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