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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.
23 lines
784 B
Dart
23 lines
784 B
Dart
// Copyright 2016 The Chromium 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_test/flutter_test.dart';
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import 'package:stocks/main.dart' as stocks;
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import 'package:stocks/stock_data.dart' as stock_data;
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void main() {
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stock_data.StockDataFetcher.actuallyFetchData = false;
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testWidgets("Test changing locale", (WidgetTester tester) async {
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stocks.main();
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await tester.idle(); // see https://github.com/flutter/flutter/issues/1865
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await tester.pump();
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expect(find.text('MARKET'), findsOneWidget);
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await tester.binding.setLocale("es", "US");
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await tester.idle();
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await tester.pump();
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expect(find.text('MERCADO'), findsOneWidget);
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});
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}
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