44 lines
1.5 KiB
Dart
44 lines
1.5 KiB
Dart
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// Loads Material fonts (Roboto + MaterialIcons) before any test runs so that
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// golden/screenshot tests render real text instead of placeholder boxes.
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//
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// Flutter widget tests don't load fonts by default. This file is discovered
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// automatically by `flutter test` for every test under test/.
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import 'dart:async';
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import 'dart:io';
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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Future<void> testExecutable(FutureOr<void> Function() testMain) async {
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setUpAll(_loadMaterialFonts);
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await testMain();
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}
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Future<void> _loadMaterialFonts() async {
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// Locate Flutter's cached material fonts relative to the flutter_tester executable.
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// Layout: <flutter-root>/bin/cache/artifacts/engine/linux-x64/flutter_tester
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// <flutter-root>/bin/cache/artifacts/material_fonts/
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final cacheDir =
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File(Platform.resolvedExecutable).parent.parent.parent.parent;
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final fontsDir = '${cacheDir.path}/artifacts/material_fonts';
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Future<ByteData> load(String name) async {
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final bytes = await File('$fontsDir/$name').readAsBytes();
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return ByteData.view(bytes.buffer);
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}
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await (FontLoader('Roboto')
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..addFont(load('Roboto-Regular.ttf'))
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..addFont(load('Roboto-Medium.ttf'))
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..addFont(load('Roboto-Bold.ttf'))
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..addFont(load('Roboto-Italic.ttf'))
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..addFont(load('Roboto-MediumItalic.ttf'))
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..addFont(load('Roboto-BoldItalic.ttf')))
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.load();
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await (FontLoader('MaterialIcons')
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..addFont(load('MaterialIcons-Regular.otf')))
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.load();
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}
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