diff --git a/tests/unit/Config/ValidatorTest.php b/tests/unit/Config/ValidatorTest.php
new file mode 100644
index 0000000000..ace5c82347
--- /dev/null
+++ b/tests/unit/Config/ValidatorTest.php
@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Tests\Config;
+
+use PhpMyAdmin\Config;
+use PhpMyAdmin\Config\ConfigFile;
+use PhpMyAdmin\Config\Validator;
+use PhpMyAdmin\Tests\AbstractTestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
+use ReflectionProperty;
+
+#[CoversClass(Validator::class)]
+final class ValidatorTest extends AbstractTestCase
+{
+    public function testGetValidators(): void
+    {
+        (new ReflectionProperty(Validator::class, 'validators'))->setValue(null, null);
+        Config::$instance = new Config();
+        $validators = Validator::getValidators(new ConfigFile([]));
+        $expected = [
+            'Console/Height' => 'validateNonNegativeNumber',
+            'CharTextareaCols' => 'validatePositiveNumber',
+            'CharTextareaRows' => 'validatePositiveNumber',
+            'ExecTimeLimit' => 'validateNonNegativeNumber',
+            'Export/sql_max_query_size' => 'validatePositiveNumber',
+            'FirstLevelNavigationItems' => 'validatePositiveNumber',
+            'ForeignKeyMaxLimit' => 'validatePositiveNumber',
+            'Import/csv_enclosed' => [['validateByRegex', '/^.?$/']],
+            'Import/csv_escaped' => [['validateByRegex', '/^.$/']],
+            'Import/csv_terminated' => [['validateByRegex', '/^.$/']],
+            'Import/ldi_enclosed' => [['validateByRegex', '/^.?$/']],
+            'Import/ldi_escaped' => [['validateByRegex', '/^.$/']],
+            'Import/ldi_terminated' => [['validateByRegex', '/^.$/']],
+            'Import/skip_queries' => 'validateNonNegativeNumber',
+            'InsertRows' => 'validatePositiveNumber',
+            'NumRecentTables' => 'validateNonNegativeNumber',
+            'NumFavoriteTables' => 'validateNonNegativeNumber',
+            'LimitChars' => 'validatePositiveNumber',
+            'LoginCookieValidity' => 'validatePositiveNumber',
+            'LoginCookieStore' => 'validateNonNegativeNumber',
+            'MaxDbList' => ['validatePositiveNumber', ['validateUpperBound', 100]],
+            'MaxNavigationItems' => 'validatePositiveNumber',
+            'MaxCharactersInDisplayedSQL' => 'validatePositiveNumber',
+            'MaxRows' => 'validatePositiveNumber',
+            'MaxSizeForInputField' => 'validatePositiveNumber',
+            'MinSizeForInputField' => 'validateNonNegativeNumber',
+            'MaxTableList' => ['validatePositiveNumber', ['validateUpperBound', 250]],
+            'MaxRoutineList' => ['validatePositiveNumber', ['validateUpperBound', 250]],
+            'MemoryLimit' => [['validateByRegex', '/^(-1|(\d+(?:[kmg])?))$/i']],
+            'NavigationTreeDisplayItemFilterMinimum' => 'validatePositiveNumber',
+            'NavigationTreeTableLevel' => 'validatePositiveNumber',
+            'NavigationWidth' => 'validateNonNegativeNumber',
+            'QueryHistoryMax' => ['validatePositiveNumber', ['validateUpperBound', 25]],
+            'RepeatCells' => 'validateNonNegativeNumber',
+            'Server' => 'validateServer',
+            'Server_pmadb' => 'validatePMAStorage',
+            'Servers/1/port' => 'validatePortNumber',
+            'Servers/1/hide_db' => 'validateRegex',
+            'TextareaCols' => 'validatePositiveNumber',
+            'TextareaRows' => 'validatePositiveNumber',
+            'TrustedProxies' => 'validateTrustedProxies',
+        ];
+        self::assertSame($expected, $validators);
+    }
+}