feat: CI/CD pipeline setup complete - Ansible playbooks updated, secrets configured, workflow ready

tests/Unit/Framework/ErrorHandling/Handlers/DatabaseErrorHandlerTest.php

@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Framework\ErrorHandling\Handlers;
+
+use App\Framework\Database\Exception\DatabaseException;
+use App\Framework\ErrorHandling\Handlers\DatabaseErrorHandler;
+use App\Framework\ErrorHandling\Handlers\ErrorHandlerPriority;
+use App\Framework\Logging\Logger;
+
+describe('DatabaseErrorHandler', function () {
+    beforeEach(function () {
+        $this->logger = $this->createMock(Logger::class);
+        $this->handler = new DatabaseErrorHandler($this->logger);
+    });
+
+    it('handles DatabaseException', function () {
+        $exception = DatabaseException::fromContext(
+            'Connection failed',
+            \App\Framework\Exception\ExceptionContext::empty()
+        );
+
+        expect($this->handler->canHandle($exception))->toBeTrue();
+
+        $this->logger
+            ->expects($this->once())
+            ->method('error')
+            ->with('Database error occurred', $this->anything());
+
+        $result = $this->handler->handle($exception);
+
+        expect($result->handled)->toBeTrue();
+        expect($result->statusCode)->toBe(500);
+        expect($result->data['error_type'])->toBe('database');
+        expect($result->data['retry_after'])->toBe(60);
+    });
+
+    it('handles PDOException', function () {
+        $exception = new \PDOException('SQLSTATE[HY000] [2002] Connection refused');
+
+        expect($this->handler->canHandle($exception))->toBeTrue();
+
+        $result = $this->handler->handle($exception);
+
+        expect($result->handled)->toBeTrue();
+        expect($result->statusCode)->toBe(500);
+    });
+
+    it('does not handle non-database exceptions', function () {
+        $exception = new \RuntimeException('Some error');
+
+        expect($this->handler->canHandle($exception))->toBeFalse();
+    });
+
+    it('has HIGH priority', function () {
+        expect($this->handler->getPriority())->toBe(ErrorHandlerPriority::HIGH);
+    });
+
+    it('has correct name', function () {
+        expect($this->handler->getName())->toBe('database_error_handler');
+    });
+});