implement validation macro tests (#48570)

tests/Validation/ValidationMacroTest.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Illuminate\Tests\Validation;
+
+use Illuminate\Validation\Rule;
+use PHPUnit\Framework\TestCase;
+
+class ValidationMacroTest extends TestCase
+{
+    public function testMacroable()
+    {
+        // Define a phone validation macro
+        Rule::macro('phone', function () {
+            return 'regex:/^([0-9\s\-\+\(\)]*)$/';
+        });
+
+        $actualRule = Rule::phone();
+        $this->assertSame('regex:/^([0-9\s\-\+\(\)]*)$/', $actualRule);
+    }
+
+    public function testMacroArguments()
+    {
+        Rule::macro('maxLength', function (int $length) {
+            return "max:{$length}";
+        });
+
+        $actualRule = Rule::maxLength(10);
+        $this->assertSame('max:10', $actualRule);
+    }
+
+    public function testMacroDefaultArguments()
+    {
+        Rule::macro('maxLength', function ($length = 255) {
+            return "max:{$length}";
+        });
+
+        $actualRule = Rule::maxLength();  // No argument provided, should use default value
+        $this->assertSame('max:255', $actualRule);
+    }
+}

tests/Validation/ValidationValidatorTest.php

@@ -4486,7 +4486,7 @@ public function testValidateMimetypes()
     {
         $trans = $this->getIlluminateArrayTranslator();
 
-        $uploadedFile = [__DIR__.'/ValidationRuleTest.php', '', null, null, true];
+        $uploadedFile = [__DIR__.'/ValidationMacroTest.php', '', null, null, true];
 
         $file = $this->getMockBuilder(UploadedFile::class)->onlyMethods(['guessExtension', 'getClientOriginalExtension'])->setConstructorArgs($uploadedFile)->getMock();
         $file->expects($this->any())->method('guessExtension')->willReturn('rtf');