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This auto-formats all *.dart files in the repository outside of the `engine` subdirectory and enforces that these files stay formatted with a presubmit check. **Reviewers:** Please carefully review all the commits except for the one titled "formatted". The "formatted" commit was auto-generated by running `dev/tools/format.sh -a -f`. The other commits were hand-crafted to prepare the repo for the formatting change. I recommend reviewing the commits one-by-one via the "Commits" tab and avoiding Github's "Files changed" tab as it will likely slow down your browser because of the size of this PR. --------- Co-authored-by: Kate Lovett <katelovett@google.com> Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
117 lines
4.6 KiB
Dart
117 lines
4.6 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:flutter_api_samples/material/autocomplete/autocomplete.3.dart' as example;
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets(
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'can search and find options after waiting for fake network delay and debounce delay',
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(WidgetTester tester) async {
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await tester.pumpWidget(const example.AutocompleteExampleApp());
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expect(find.text('aardvark'), findsNothing);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsNothing);
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await tester.enterText(find.byType(TextFormField), 'a');
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await tester.pump(example.fakeAPIDuration);
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// No results yet, need to also wait for the debounce duration.
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expect(find.text('aardvark'), findsNothing);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsNothing);
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await tester.pump(example.debounceDuration);
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expect(find.text('aardvark'), findsOneWidget);
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expect(find.text('bobcat'), findsOneWidget);
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expect(find.text('chameleon'), findsOneWidget);
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await tester.enterText(find.byType(TextFormField), 'aa');
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await tester.pump(example.debounceDuration + example.fakeAPIDuration);
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expect(find.text('aardvark'), findsOneWidget);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsNothing);
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},
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);
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testWidgets('debounce is reset each time a character is entered', (WidgetTester tester) async {
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await tester.pumpWidget(const example.AutocompleteExampleApp());
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await tester.enterText(find.byType(TextFormField), 'c');
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await tester.pump(example.debounceDuration - const Duration(milliseconds: 100));
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expect(find.text('aardvark'), findsNothing);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsNothing);
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await tester.enterText(find.byType(TextFormField), 'ch');
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await tester.pump(example.debounceDuration - const Duration(milliseconds: 100));
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expect(find.text('aardvark'), findsNothing);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsNothing);
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await tester.enterText(find.byType(TextFormField), 'cha');
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await tester.pump(example.debounceDuration - const Duration(milliseconds: 100));
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expect(find.text('aardvark'), findsNothing);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsNothing);
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await tester.enterText(find.byType(TextFormField), 'cham');
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await tester.pump(example.debounceDuration - const Duration(milliseconds: 100));
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// Despite the total elapsed time being greater than debounceDuration +
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// fakeAPIDuration, the search has not yet completed, because the debounce
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// was reset each time text input happened.
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expect(find.text('aardvark'), findsNothing);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsNothing);
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await tester.enterText(find.byType(TextFormField), 'chame');
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await tester.pump(example.debounceDuration + example.fakeAPIDuration);
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expect(find.text('aardvark'), findsNothing);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsOneWidget);
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});
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testWidgets('multiple pending requests', (WidgetTester tester) async {
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await tester.pumpWidget(const example.AutocompleteExampleApp());
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await tester.enterText(find.byType(TextFormField), 'a');
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// Wait until the debounce duration has expired, but the request is still
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// pending.
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await tester.pump(example.debounceDuration);
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expect(find.text('aardvark'), findsNothing);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsNothing);
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await tester.enterText(find.byType(TextFormField), 'aa');
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// Wait until the first request has completed.
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await tester.pump(example.fakeAPIDuration - example.debounceDuration);
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// The results from the first request are thrown away since the query has
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// changed.
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expect(find.text('aardvark'), findsNothing);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsNothing);
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// Wait until the second request has completed.
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await tester.pump(example.fakeAPIDuration);
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// The results of the second request are reflected.
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expect(find.text('aardvark'), findsOneWidget);
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expect(find.text('bobcat'), findsNothing);
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expect(find.text('chameleon'), findsNothing);
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});
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}
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