Add tests

src/Rules/Function/NamedArgumentNameRule.php

@@ -46,7 +46,7 @@ protected function process(int $tokenIndex, Tokens $tokens): void
         $nameTokenIndex = $tokens->findPrevious(Token::NAME_TYPE, $tokenIndex);
         Assert::notFalse($nameTokenIndex, 'A NAMED_ARGUMENT_SEPARATOR_TYPE always follow a name');
 
-        $name = $token->getValue();
+        $name = $tokens->get($nameTokenIndex)->getValue();
         $expected = match ($this->case) {
             self::SNAKE_CASE => StringUtil::toSnakeCase($name),
             self::CAMEL_CASE => StringUtil::toCamelCase($name),

tests/Rules/Function/NamedArgumentName/NamedArgumentNameRuleTest.php

@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TwigCsFixer\Tests\Rules\Function\NamedArgumentName;
+
+use TwigCsFixer\Rules\Function\NamedArgumentNameRule;
+use TwigCsFixer\Test\AbstractRuleTestCase;
+
+final class NamedArgumentNameRuleTest extends AbstractRuleTestCase
+{
+    public function testConfiguration(): void
+    {
+        static::assertSame(
+            [
+                'case' => NamedArgumentNameRule::SNAKE_CASE,
+            ],
+            (new NamedArgumentNameRule())->getConfiguration()
+        );
+        static::assertSame(
+            [
+                'case' => NamedArgumentNameRule::CAMEL_CASE,
+            ],
+            (new NamedArgumentNameRule(NamedArgumentNameRule::CAMEL_CASE))->getConfiguration()
+        );
+    }
+
+    public function testRule(): void
+    {
+        $this->checkRule(new NamedArgumentNameRule(), [
+            'NamedArgumentName.Error:1:28' => 'The named argument must use snake_case; expected baz_baz.',
+        ]);
+    }
+
+    public function testRulePascalCase(): void
+    {
+        $this->checkRule(new NamedArgumentNameRule(NamedArgumentNameRule::PASCAL_CASE), [
+            'NamedArgumentName.Error:1:15' => 'The named argument must use PascalCase; expected BarBar.',
+            'NamedArgumentName.Error:1:28' => 'The named argument must use PascalCase; expected BazBaz.',
+        ]);
+    }
+
+    public function testRuleCamelCase(): void
+    {
+        $this->checkRule(new NamedArgumentNameRule(NamedArgumentNameRule::CAMEL_CASE), [
+            'NamedArgumentName.Error:1:15' => 'The named argument must use camelCase; expected barBar.',
+        ]);
+    }
+}

tests/Rules/Function/NamedArgumentName/NamedArgumentNameRuleTest.twig

@@ -0,0 +1,2 @@
+{{ foo(bar_bar=true, bazBaz: 42) }}
+{% macro foo(bar = true) %}

tests/Rules/Function/NamedArgumentSeparatorRuleTest.php → tests/Rules/Function/NamedArgumentSeparator/NamedArgumentSeparatorRuleTest.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace TwigCsFixer\Tests\Rules\Function;
+namespace TwigCsFixer\Tests\Rules\Function\NamedArgumentSeparator;
 
 use Composer\InstalledVersions;
 use Composer\Semver\VersionParser;