test: add binary ID test

Author: biner88

test/binary_id_test.dart

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+import 'dart:typed_data';
+
+import 'package:mysql_utils/mysql_utils.dart';
+import 'package:test/test.dart';
+
+void main() {
+  late MysqlUtils db;
+  setUpAll(() async {
+    db = MysqlUtils(
+      settings: MysqlUtilsSettings(
+        host: '127.0.0.1',
+        port: 3306,
+        user: 'your_user',
+        password: 'your_password',
+        db: 'testdb',
+        secure: true,
+        // prefix: '',
+        // maxConnections: 1000,
+        // timeoutMs: 10000,
+        // sqlEscape: true,
+        pool: false,
+        //collation: 'utf8mb4_general_ci',
+        // debug: true,
+        // securityContext: SecurityContext(),
+        // onBadCertificate: (certificate) => true,
+      ),
+      errorLog: (error) {
+        print(error);
+      },
+      sqlLog: (sql) {
+        print(sql);
+      },
+      connectInit: (db1) async {
+        print('whenComplete');
+      },
+    );
+  });
+
+  tearDownAll(() async {
+    await db.close();
+  });
+
+  test('Execute: create table ', () async {
+    await db.query("DROP TABLE IF EXISTS `test_data3`");
+    await db.query('''
+      CREATE TABLE test_data3 (
+        id BINARY(16) PRIMARY KEY NOT NULL DEFAULT (UUID_TO_BIN(UUID())),
+        name VARCHAR(255)
+      );
+    ''');
+  });
+
+  test('Execute: insert data ', () async {
+    await db.query('INSERT INTO test_data3 (name) VALUES ("binary data test")');
+    final result = await db.query("SELECT (id) FROM test_data3");
+    final row = result.rows.first;
+    final uuid = binaryToUuid(row['id']);
+
+    final result2 = await db.query("SELECT BIN_TO_UUID(id) as UUID FROM test_data3");
+    final row2 = result2.rows.first;
+
+    expect(uuid, row2['UUID']);
+  });
+
+  test('Execute: drop table ', () async {
+    await db.query("DROP TABLE IF EXISTS `test_data3`");
+  });
+}
+
+String binaryToUuid(String idStr) {
+  final bytes = Uint8List.fromList(idStr.codeUnits);
+  assert(bytes.length == 16);
+  String hex = _bytesToHex(bytes);
+  return '${hex.substring(0, 8)}-${hex.substring(8, 12)}-${hex.substring(12, 16)}-${hex.substring(16, 20)}-${hex.substring(20)}';
+}
+
+String _bytesToHex(List<int> bytes) {
+  final buffer = StringBuffer();
+  for (final byte in bytes) {
+    buffer.write(byte.toRadixString(16).padLeft(2, '0'));
+  }
+  return buffer.toString();
+}