Add code generator unit tests

Author: veeqtoh

tests/Unit/Classes/CodeGeneratorTest.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Veeqtoh\DoorAccess\Tests\Unit\Classes;
+
+use Veeqtoh\DoorAccess\Classes\CodeGenerator;
+use Veeqtoh\DoorAccess\Contracts\CodeValidator;
+use Veeqtoh\DoorAccess\Tests\Unit\TestCase;
+
+class CodeGeneratorTest extends TestCase
+{
+    public function testGenerateNumericCode(): void
+    {
+        // Set code format to alphanumeric.
+        config(['door-access.code_format' => 'numeric']);
+
+        $generator = new CodeGenerator();
+        $code      = $generator->generate();
+
+        $this->assertIsString($code);
+        $this->assertMatchesRegularExpression('/^\d+$/', $code);
+    }
+
+    public function testGenerateAlphanumericCode(): void
+    {
+        // Set code format to alphanumeric.
+        config(['door-access.code_format' => 'alphanumeric']);
+
+        $generator = new CodeGenerator();
+        $code      = $generator->generate();
+
+        $this->assertIsString($code);
+        $this->assertMatchesRegularExpression('/^[a-zA-Z0-9]+$/', $code);
+    }
+
+    public function testGenerateMixedCode(): void
+    {
+        // Set code format to mixed.
+        config(['door-access.code_format' => 'mixed']);
+
+        $generator = new CodeGenerator();
+        $code      = $generator->generate();
+
+        $this->assertIsString($code);
+        $this->assertMatchesRegularExpression('/^[a-zA-Z0-9!@#$%^&*()-_=+[\]{};:<>,.?\/]+$/', $code);
+    }
+
+    public function testGenerateWithValidCode(): void
+    {
+        // Mock validators.
+        $validator1 = $this->createMock(CodeValidator::class);
+        $validator1->expects($this->once())
+                   ->method('isValid')
+                   ->willReturn(true);
+
+        $validator2 = $this->createMock(CodeValidator::class);
+        $validator2->expects($this->once())
+                   ->method('isValid')
+                   ->willReturn(true);
+
+        $generator = new CodeGenerator([$validator1, $validator2]);
+        $code      = $generator->generate();
+
+        $this->assertIsString($code);
+    }
+}