Files
clide/test/a11y/contrast_test.dart
T
jpmschweitzerandClaude Opus 4.8 884207c59e add Catppuccin Mocha theme (+ high-contrast sibling)
Ships catppuccin-mocha (faithful to the official Catppuccin Mocha
palette) and catppuccin-mocha-hc (high-contrast sibling per D-69 — the
faithful palette is never retuned to pass the gate). Both bundled and
gated: mocha clears baseline AA, mocha-hc clears the strict extended
set. Catppuccin MIT palette recorded in licenses.yaml.

Closes T-82 (Mocha + hc meets every acceptance bullet; faithful Latte
deferred — it can't clear baseline AA without retuning, a separate call).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-03 16:51:06 +02:00

61 lines
2.3 KiB
Dart

import 'package:clide/kernel/kernel.dart';
import 'package:flutter/services.dart' show rootBundle;
import 'package:flutter_test/flutter_test.dart';
/// WCAG-AA contrast gate. Every bundled theme's token pairs (listed in
/// [canonicalPairs]) must clear 4.5:1 for normal text / 3:1 for large
/// text. Failing pairs are printed with their computed ratio so a
/// theme-token regression shows exactly which pair broke.
///
/// Themes whose name ends in `-hc` (high-contrast) or `-cb`
/// (colour-blind) additionally have to clear the stricter
/// [extendedPairs] set — D-69.
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
group('contrast — all bundled themes meet WCAG AA', () {
const bundledPaths = [
'lib/kernel/src/theme/themes/clide.yaml',
'lib/kernel/src/theme/themes/midnight.yaml',
'lib/kernel/src/theme/themes/paper.yaml',
'lib/kernel/src/theme/themes/terminal.yaml',
'lib/kernel/src/theme/themes/clide-hc.yaml',
'lib/kernel/src/theme/themes/midnight-hc.yaml',
'lib/kernel/src/theme/themes/paper-hc.yaml',
'lib/kernel/src/theme/themes/terminal-hc.yaml',
'lib/kernel/src/theme/themes/catppuccin-mocha.yaml',
'lib/kernel/src/theme/themes/catppuccin-mocha-hc.yaml',
];
for (final path in bundledPaths) {
test('theme: $path', () async {
final def = await const ThemeLoader().fromAsset(rootBundle, path);
const resolver = ThemeResolver();
final tokens = resolver.resolve(
palette: def.palette,
semanticOverride: def.semanticOverride,
surfaceOverride: def.surfaceOverride,
extensionOverride: def.extensionOverride,
);
final failures = failingPairs(tokens);
if (failures.isNotEmpty) {
fail(
'Contrast failures in ${def.name}:\n'
'${failures.map((f) => ' - $f').join('\n')}',
);
}
final isStrict = def.name.endsWith('-hc') || def.name.endsWith('-cb');
if (isStrict) {
final extended = failingExtendedPairs(tokens);
if (extended.isNotEmpty) {
fail(
'Extended contrast failures in ${def.name} (strict gate):\n'
'${extended.map((f) => ' - $f').join('\n')}',
);
}
}
});
}
});
}