dd2e91d61b
Flutter desktop app for building Marp presentations via structured slide editors, with live preview, fullscreen presenter, and PDF/PPTX export. Includes Makefile quality gate, CI workflow, and full test suite. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
81 lines
2.7 KiB
Dart
81 lines
2.7 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'dart:typed_data';
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import 'package:archive/archive.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:image/image.dart' as img;
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import 'package:ocideck/services/export_service.dart';
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import 'package:path/path.dart' as p;
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import 'package:xml/xml.dart';
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Uint8List _png() {
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final image = img.Image(width: 320, height: 180);
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img.fill(image, color: img.ColorRgb8(30, 40, 60));
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return Uint8List.fromList(img.encodePng(image));
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}
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void main() {
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late Directory tmp;
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late ExportService service;
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setUp(() async {
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tmp = await Directory.systemTemp.createTemp('ocideck_export');
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service = ExportService();
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});
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tearDown(() async {
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if (await tmp.exists()) await tmp.delete(recursive: true);
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});
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String deckPath() => p.join(tmp.path, 'deck.md');
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test('exports a PDF that starts with the PDF magic header', () async {
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final images = [_png(), _png()];
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final r = await service.export(deckPath(), ExportFormat.pdf, images);
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expect(r.success, isTrue, reason: r.error);
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final bytes = await File(r.outputPath!).readAsBytes();
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expect(String.fromCharCodes(bytes.take(4)), '%PDF');
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});
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test('exports a valid PPTX zip with the expected parts', () async {
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final images = [_png(), _png()];
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final r = await service.export(deckPath(), ExportFormat.pptx, images);
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expect(r.success, isTrue, reason: r.error);
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expect(p.extension(r.outputPath!), '.pptx');
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final bytes = await File(r.outputPath!).readAsBytes();
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final archive = ZipDecoder().decodeBytes(bytes);
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final names = archive.files.map((f) => f.name).toSet();
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expect(names, contains('[Content_Types].xml'));
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expect(names, contains('_rels/.rels'));
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expect(names, contains('ppt/presentation.xml'));
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expect(names, contains('ppt/slideMasters/slideMaster1.xml'));
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expect(names, contains('ppt/slideLayouts/slideLayout1.xml'));
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expect(names, contains('ppt/theme/theme1.xml'));
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expect(names, contains('ppt/slides/slide1.xml'));
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expect(names, contains('ppt/slides/slide2.xml'));
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expect(names, contains('ppt/media/image1.png'));
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expect(names, contains('ppt/media/image2.png'));
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// Every XML part must be well-formed.
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for (final file in archive.files) {
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if (file.name.endsWith('.xml') || file.name.endsWith('.rels')) {
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final content = utf8.decode(file.content as List<int>);
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expect(
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() => XmlDocument.parse(content),
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returnsNormally,
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reason: '${file.name} is not well-formed XML',
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);
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}
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}
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});
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test('fails gracefully when there are no slides', () async {
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final r = await service.export(deckPath(), ExportFormat.pdf, const []);
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expect(r.success, isFalse);
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});
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}
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