73 lines
2.4 KiB
Dart
73 lines
2.4 KiB
Dart
// Author: fruit.com.cn
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import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:fruitshorts/core/theme/app_colors.dart';
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import 'package:fruitshorts/core/theme/app_theme.dart';
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double _contrast(Color foreground, Color background) {
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final first = foreground.computeLuminance();
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final second = background.computeLuminance();
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return (max(first, second) + 0.05) / (min(first, second) + 0.05);
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}
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void main() {
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test('should_expose_approved_klein_blue_tokens', () {
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expect(AppColors.blue, const Color(0xFF002FA7));
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expect(AppColors.bluePressed, const Color(0xFF00227A));
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expect(AppColors.blueSoft, const Color(0xFF5B7BE0));
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expect(AppColors.onPrimary, const Color(0xFFFFFFFF));
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});
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test('should_meet_text_and_icon_contrast_when_using_theme_tokens', () {
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expect(
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_contrast(AppColors.onPrimary, AppColors.blue),
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greaterThanOrEqualTo(4.5),
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);
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expect(_contrast(AppColors.blue, Colors.white), greaterThanOrEqualTo(4.5));
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expect(
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_contrast(AppColors.blueSoft, AppColors.ink),
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greaterThanOrEqualTo(3),
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);
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});
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test('should_use_klein_blue_in_light_and_dark_color_schemes', () {
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for (final theme in [AppTheme.light(), AppTheme.dark()]) {
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expect(theme.colorScheme.primary, AppColors.blue);
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expect(theme.colorScheme.onPrimary, AppColors.onPrimary);
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}
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});
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test('should_define_non_white_outline_tokens_in_both_themes', () {
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final light = AppTheme.light().colorScheme;
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final dark = AppTheme.dark().colorScheme;
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expect(light.outline, AppColors.outlineLight);
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expect(light.outlineVariant, AppColors.outlineVariantLight);
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expect(dark.outline, AppColors.outlineDark);
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expect(dark.outlineVariant, AppColors.outlineVariantDark);
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expect(dark.outlineVariant.computeLuminance(), lessThan(0.2));
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expect(light.outlineVariant.computeLuminance(), lessThan(0.92));
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});
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testWidgets('should_expose_klein_blue_through_widget_theme', (tester) async {
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late ThemeData applied;
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await tester.pumpWidget(
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MaterialApp(
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theme: AppTheme.dark(),
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home: Builder(
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builder: (context) {
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applied = Theme.of(context);
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return const SizedBox.shrink();
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},
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),
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),
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);
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expect(applied.colorScheme.primary, AppColors.blue);
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expect(applied.colorScheme.onPrimary, AppColors.onPrimary);
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});
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}
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