From 2d42e4833a8f84ba97a54a76a8518b24aba8c6c4 Mon Sep 17 00:00:00 2001
From: Caio Fernandes <caio.alberto.fernandes@hotmail.com>
Date: Thu, 8 Oct 2026 23:20:22 -0300
Subject: [PATCH] feat(database): add SQLite support to Database::connect()

- Database now supports driver=sqlite (database = path or :memory:) in
  addition to mysql/mariadb/pgsql via host/port.

Refs: SPEC-005 (PivotPHP/pivotphp-core#19)
---
 src/Database/Database.php       | 25 +++++++++++++-----
 tests/Database/DatabaseTest.php | 46 +++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+), 7 deletions(-)
 create mode 100644 tests/Database/DatabaseTest.php

diff --git a/src/Database/Database.php b/src/Database/Database.php
index 6fb8e6a..16da8aa 100644
--- a/src/Database/Database.php
+++ b/src/Database/Database.php
@@ -3,7 +3,10 @@
 namespace PivotPHP\Core\Database;
 
 /**
- * Conexão simples com banco de dados usando PDO
+ * Conexão simples com banco de dados usando PDO.
+ *
+ * Drivers suportados: sqlite (via `database` = caminho ou ':memory:') e
+ * mysql/mariadb/pgsql (via `host`, `port`, `database`, `username`, `password`).
  */
 class Database
 {
@@ -25,6 +28,20 @@ public function __construct(array $config)
     private function connect(): void
     {
         $driver = $this->config['driver'] ?? 'mysql';
+
+        $options = [
+            \PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION,
+            \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,
+            \PDO::ATTR_EMULATE_PREPARES => false,
+        ];
+
+        if ($driver === 'sqlite') {
+            $database = $this->config['database'] ?? ':memory:';
+            $this->pdo = new \PDO("sqlite:{$database}", null, null, $options);
+
+            return;
+        }
+
         $host = $this->config['host'] ?? 'localhost';
         $port = $this->config['port'] ?? 3306;
         $database = $this->config['database'];
@@ -34,12 +51,6 @@ private function connect(): void
 
         $dsn = "{$driver}:host={$host};port={$port};dbname={$database};charset={$charset}";
 
-        $options = [
-            \PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION,
-            \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,
-            \PDO::ATTR_EMULATE_PREPARES => false,
-        ];
-
         $this->pdo = new \PDO($dsn, $username, $password, $options);
     }
 
diff --git a/tests/Database/DatabaseTest.php b/tests/Database/DatabaseTest.php
new file mode 100644
index 0000000..287e145
--- /dev/null
+++ b/tests/Database/DatabaseTest.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PivotPHP\Core\Tests\Database;
+
+use PHPUnit\Framework\TestCase;
+use PivotPHP\Core\Database\Database;
+
+class DatabaseTest extends TestCase
+{
+    public function testSqliteConnectionAndQueries(): void
+    {
+        $db = new Database(['driver' => 'sqlite', 'database' => ':memory:']);
+
+        $db->statement('CREATE TABLE books (id INTEGER PRIMARY KEY, title TEXT)');
+        $db->insert('INSERT INTO books (title) VALUES (:title)', ['title' => 'Dom Casmurro']);
+
+        $rows = $db->select('SELECT * FROM books');
+
+        $this->assertCount(1, $rows);
+        $this->assertEquals('Dom Casmurro', $rows[0]['title']);
+
+        $one = $db->selectOne('SELECT * FROM books WHERE id = :id', ['id' => 1]);
+        $this->assertNotNull($one);
+        $this->assertEquals('Dom Casmurro', $one['title']);
+    }
+
+    public function testSqliteTransaction(): void
+    {
+        $db = new Database(['driver' => 'sqlite', 'database' => ':memory:']);
+
+        $db->statement('CREATE TABLE t (id INTEGER PRIMARY KEY, v TEXT)');
+
+        $result = $db->transaction(
+            function (Database $db) {
+                $db->insert('INSERT INTO t (v) VALUES (:v)', ['v' => 'x']);
+
+                return 'ok';
+            }
+        );
+
+        $this->assertEquals('ok', $result);
+        $this->assertCount(1, $db->select('SELECT * FROM t'));
+    }
+}