85 lines
2.7 KiB
Dart
85 lines
2.7 KiB
Dart
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import 'dart:ui' as ui;
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:ocideck/models/settings.dart';
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import 'package:ocideck/models/slide.dart';
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import 'package:ocideck/widgets/slides/slide_preview.dart';
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void main() {
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// Regression: when the slide is rendered outside a Material (as the export
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// rasterizer does, mounting it in a bare Overlay), text used to fall back to
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// Flutter's broken default style — red letters with a yellow underline.
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// SlidePreviewWidget now supplies its own DefaultTextStyle so this can never
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// happen again.
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testWidgets('bullets render without yellow underline outside a Material', (
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tester,
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) async {
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const profile = ThemeProfile(
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slideBackgroundColor: '#FFFFFF',
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textColor: '#1C2B47', // navy
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accentColor: '#1C2B47',
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);
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final slide = Slide(
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id: 'b',
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type: SlideType.bullets,
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title: 'Titel',
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bullets: const ['Eerste bullet', 'Tweede bullet', 'Derde bullet'],
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);
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await tester.runAsync(() async {
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final key = GlobalKey();
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// Deliberately NO MaterialApp / DefaultTextStyle here — only the minimal
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// View that pumpWidget provides — to mimic the export overlay subtree.
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: Center(
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child: RepaintBoundary(
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key: key,
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child: SizedBox(
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width: 800,
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height: 450,
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child: SlidePreviewWidget(slide: slide, themeProfile: profile),
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),
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),
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),
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),
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);
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await tester.pump();
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final boundary =
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key.currentContext!.findRenderObject() as RenderRepaintBoundary;
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final image = await boundary.toImage(pixelRatio: 1.0);
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final bytes = (await image.toByteData(
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format: ui.ImageByteFormat.rawRgba,
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))!.buffer.asUint8List();
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var yellowCount = 0;
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var navyCount = 0;
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for (var i = 0; i + 3 < bytes.length; i += 4) {
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final r = bytes[i];
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final g = bytes[i + 1];
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final b = bytes[i + 2];
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// Yellow = high red + high green + low blue (broken-default underline).
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if (r > 180 && g > 180 && b < 100) yellowCount++;
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// Navy-ish dark blue text.
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if (r < 80 && g < 90 && b > 50 && b < 160) navyCount++;
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}
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expect(
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yellowCount,
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lessThan(20),
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reason: 'Found $yellowCount yellow pixels — broken default text style?',
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);
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expect(
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navyCount,
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greaterThan(50),
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reason: 'Expected navy text pixels; found $navyCount',
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);
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});
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});
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}
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