From bf03e10b5446abdd3b1164df689a2f38a8111f0c Mon Sep 17 00:00:00 2001
From: kj <webmaster@outcontrol.net>
Date: Sat, 5 Sep 2026 13:25:47 -0300
Subject: [PATCH] test(bootstrap): add smoke test for autoload and test DB

---
 tests/Unit/BootstrapTest.php | 51 ++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 tests/Unit/BootstrapTest.php

diff --git a/tests/Unit/BootstrapTest.php b/tests/Unit/BootstrapTest.php
new file mode 100644
index 0000000..114e159
--- /dev/null
+++ b/tests/Unit/BootstrapTest.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace Tests\Unit;
+
+use Libs\Neuron;
+use PDO;
+use Tests\TestCase;
+
+/**
+ * BootstrapTest - DuckBrain test harness
+ *
+ * Prueba de humo de la infraestructura: autoload de composer + framework,
+ * constantes de la DB de prueba y conexión PDO realmente utilizable. Si
+ * algo del entorno está mal, esta prueba falla primero con el diagnóstico.
+ */
+final class BootstrapTest extends TestCase
+{
+    public function testFrameworkClassesAreAutoloaded(): void
+    {
+        $this->assertTrue(
+            class_exists(Neuron::class),
+            'FALTA AUTOLOAD: autoload.php no resolvio Libs\Neuron; revisa ROOT_CORE y ejecuta desde la raiz'
+        );
+
+        $neuron = new Neuron(['clave' => 'valor']);
+        $this->assertSame('valor', $neuron->clave);
+        $this->assertNull($neuron->inexistente);
+    }
+
+    public function testDatabaseConstantsPointToInMemorySqlite(): void
+    {
+        $this->assertSame(
+            'sqlite',
+            DB_TYPE,
+            'FALTA OVERRIDE: DB_TYPE viene de config.php; el bootstrap debe definir las constantes ANTES de require autoload.php'
+        );
+        $this->assertSame(':memory:', DB_NAME, 'DB_NAME deberia ser :memory: para no tocar discos ni servidores');
+    }
+
+    public function testTestDatabaseIsUsable(): void
+    {
+        $db = self::db();
+        $this->assertInstanceOf(PDO::class, $db, 'No se pudo obtener la PDO de prueba');
+        $this->assertSame($db, self::db(), 'Database::getInstance deberia devolver el mismo singleton');
+
+        $db->exec('CREATE TABLE smoke (id INTEGER PRIMARY KEY, v TEXT)');
+        $db->prepare('INSERT INTO smoke (v) VALUES (?)')->execute(['cuac']);
+        $this->assertSame('cuac', $db->query('SELECT v FROM smoke')->fetchColumn());
+        $db->exec('DROP TABLE smoke');
+    }
+}