62 lines
2.3 KiB
Dart
62 lines
2.3 KiB
Dart
import 'dart:io';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:ponshu_room_lite/services/analysis_cache_service.dart';
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void main() {
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group('AnalysisCacheService - computeImageHash', () {
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late String tempFilePath;
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late String tempFilePath2;
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setUp(() async {
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// テスト用の一時ファイルを作成
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final tempDir = Directory.systemTemp.createTempSync('ponshu_test_');
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final tempFile = File('${tempDir.path}/test_image.jpg');
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await tempFile.writeAsBytes([0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10]); // JPEG header bytes
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tempFilePath = tempFile.path;
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final tempFile2 = File('${tempDir.path}/test_image_2.jpg');
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await tempFile2.writeAsBytes([0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x20]); // Different bytes
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tempFilePath2 = tempFile2.path;
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});
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tearDown(() {
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// 一時ファイルをクリーンアップ
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try {
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File(tempFilePath).deleteSync();
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File(tempFilePath2).deleteSync();
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File(tempFilePath).parent.deleteSync();
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} catch (_) {}
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});
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test('should return consistent hash for the same file', () async {
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final hash1 = await AnalysisCacheService.computeImageHash(tempFilePath);
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final hash2 = await AnalysisCacheService.computeImageHash(tempFilePath);
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expect(hash1, equals(hash2));
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expect(hash1.length, 64); // SHA-256 produces 64 hex characters
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});
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test('should return different hashes for different files', () async {
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final hash1 = await AnalysisCacheService.computeImageHash(tempFilePath);
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final hash2 = await AnalysisCacheService.computeImageHash(tempFilePath2);
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expect(hash1, isNot(equals(hash2)));
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});
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test('should return the file path when file does not exist', () async {
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const nonExistentPath = '/non/existent/file.jpg';
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final result = await AnalysisCacheService.computeImageHash(nonExistentPath);
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// エラー時はファイルパスがそのまま返される（フォールバック動作）
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expect(result, nonExistentPath);
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});
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test('hash should be a valid hex string', () async {
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final hash = await AnalysisCacheService.computeImageHash(tempFilePath);
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// SHA-256ハッシュは0-9a-fの64文字
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expect(hash, matches(RegExp(r'^[0-9a-f]{64}$')));
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});
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});
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}
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