jadb/test/models/kanjivg_test.dart

import 'dart:convert';

import 'package:jadb/models/kanjivg/kanjivg_entry.dart';
import 'package:jadb/models/kanjivg/kanjivg_path.dart';
import 'package:jadb/models/kanjivg/kanjivg_path_group.dart';
import 'package:jadb/models/kanjivg/kanjivg_path_group_position.dart';
import 'package:jadb/models/kanjivg/kanjivg_radical.dart';
import 'package:test/test.dart';

Object? _roundTripJson(Object? value) => jsonDecode(jsonEncode(value));

Map<String, dynamic> _roundTripMap(Object? json) =>
    Map<String, dynamic>.from(_roundTripJson(json) as Map);

void main() {
  group('KanjiVG model serialization', () {
    test('KanjiVGPathGroupPosition roundtrips all values', () {
      for (final value in KanjiVGPathGroupPosition.values) {
        expect(
          KanjiVGPathGroupPosition.fromJson(_roundTripJson(value.toJson())),
          equals(value),
        );
      }
    });

    test('KanjiVGPathGroupPosition parses SVG aliases', () {
      expect(
        KanjiVGPathGroupPosition.fromString('⿵A'),
        equals(KanjiVGPathGroupPosition.upperA),
      );
      expect(
        KanjiVGPathGroupPosition.fromString('⿵B'),
        equals(KanjiVGPathGroupPosition.upperB),
      );
      expect(
        KanjiVGPathGroupPosition.fromString('⿶1'),
        equals(KanjiVGPathGroupPosition.lower1),
      );
      expect(
        KanjiVGPathGroupPosition.fromString('⿶2'),
        equals(KanjiVGPathGroupPosition.lower2),
      );
      expect(
        KanjiVGPathGroupPosition.fromString('left'),
        equals(KanjiVGPathGroupPosition.left),
      );
    });

    test('KanjiVGRadical roundtrips all values', () {
      for (final value in KanjiVGRadical.values) {
        expect(
          KanjiVGRadical.fromJson(_roundTripJson(value.toJson())),
          equals(value),
        );
      }
    });

    test('KanjiVGPath roundtrips via JSON', () {
      final path = KanjiVGPath(
        pathId: 1,
        type: '㇐',
        svgPath: 'M12.5,18c2.1,0.4,6.1,0.6,8.1,0.4',
        labelX: 12.5,
        labelY: 18.0,
      );

      final restored = KanjiVGPath.fromJson(_roundTripMap(path.toJson()));

      expect(restored, equals(path));
    });

    test('KanjiVGPath roundtrips required label coordinates', () {
      final path = KanjiVGPath(
        pathId: 2,
        type: '㇒',
        svgPath: 'M18,12c0.5,1,1,2,1.5,3',
        labelX: 9.5,
        labelY: 14.0,
      );

      final restored = KanjiVGPath.fromJson(_roundTripMap(path.toJson()));

      expect(restored, equals(path));
    });

    test('KanjiVGPathGroup roundtrips nested tree data', () {
      final group = KanjiVGPathGroup(
        groupId: 0,
        element: '休',
        position: KanjiVGPathGroupPosition.left,
        paths: [
          KanjiVGPath(
            pathId: 1,
            type: '㇐',
            svgPath: 'M10,10c1,0,2,0,3,0',
            labelX: 7.0,
            labelY: 9.0,
          ),
        ],
        children: [
          KanjiVGPathGroup(
            groupId: 1,
            element: '人',
            radical: KanjiVGRadical.general,
            part: 1,
            paths: [
              KanjiVGPath(
                pathId: 2,
                type: '㇒',
                svgPath: 'M12,8c0.5,1,1,2,1.5,3',
                labelX: 11.0,
                labelY: 6.5,
              ),
            ],
          ),
          KanjiVGPathGroup(
            groupId: 2,
            element: '木',
            original: '木',
            position: KanjiVGPathGroupPosition.right,
            paths: [
              KanjiVGPath(
                pathId: 3,
                type: '㇑',
                svgPath: 'M18,9c0,2,0,4,0,6',
                labelX: 19.0,
                labelY: 7.0,
              ),
            ],
          ),
        ],
      );

      final restored = KanjiVGPathGroup.fromJson(_roundTripMap(group.toJson()));

      expect(restored, equals(group));
    });

    test('KanjiVGEntry roundtrips populated data', () {
      final entry = KanjiVGEntry(
        character: '休',
        paths: [
          KanjiVGPath(
            pathId: 1,
            type: '㇒',
            svgPath: 'M18,12c0.5,1,1,2,1.5,3',
            labelX: 12.0,
            labelY: 10.0,
          ),
          KanjiVGPath(
            pathId: 2,
            type: '㇐',
            svgPath: 'M30,24c2,0,6,0,8,0',
            labelX: 28.0,
            labelY: 21.0,
          ),
        ],
        pathGroups: [
          KanjiVGPathGroup(
            groupId: 0,
            element: '休',
            children: [
              KanjiVGPathGroup(
                groupId: 1,
                element: '人',
                radical: KanjiVGRadical.general,
                paths: [
                  KanjiVGPath(
                    pathId: 1,
                    type: '㇒',
                    svgPath: 'M18,12c0.5,1,1,2,1.5,3',
                    labelX: 12.0,
                    labelY: 10.0,
                  ),
                ],
              ),
              KanjiVGPathGroup(
                groupId: 2,
                element: '木',
                position: KanjiVGPathGroupPosition.right,
                paths: [
                  KanjiVGPath(
                    pathId: 2,
                    type: '㇐',
                    svgPath: 'M30,24c2,0,6,0,8,0',
                    labelX: 28.0,
                    labelY: 21.0,
                  ),
                ],
              ),
            ],
          ),
        ],
      );

      final restored = KanjiVGEntry.fromJson(_roundTripMap(entry.toJson()));

      expect(restored, equals(entry));
    });
  });
}