Try Rector Online | Rector - Automated Way to Instantly Upgrade and Refactor any PHP code

Run Rector on your code to see what it can do for you:

     public function test()
     {
         self::any();
-        self::never();
-        self::atLeast();
-        self::atLeastOnce();
-        self::once();
+        $this->never();
+        $this->atLeast();
+        $this->atLeastOnce();
+        $this->once();
         self::exactly();
         self::atMost();
         self::throwException();

         self::getActualOutputForAssertion();
         self::expectOutputRegex();
         self::expectOutputString();
-        self::expectException();
-        self::expectExceptionCode();
-        self::expectExceptionMessage();
-        self::expectExceptionMessageMatches();
+        $this->expectException();
+        $this->expectExceptionCode();
+        $this->expectExceptionMessage();
+        $this->expectExceptionMessageMatches();
         self::expectExceptionObject();
         self::expectNotToPerformAssertions();
         self::getMockBuilder();
     }
 }

PHP snippet to change

<?php

use PHPUnit\Framework\TestCase;

final class SomeTest extends TestCase
{
    public function test()
    {
        self::any();
        self::never();
        self::atLeast();
        self::atLeastOnce();
        self::once();
        self::exactly();
        self::atMost();
        self::throwException();
        self::getActualOutputForAssertion();
        self::expectOutputRegex();
        self::expectOutputString();
        self::expectException();
        self::expectExceptionCode();
        self::expectExceptionMessage();
        self::expectExceptionMessageMatches();
        self::expectExceptionObject();
        self::expectNotToPerformAssertions();
        self::getMockBuilder();
    }
}

Applied Rules:

PreferPHPUnitThisCallRector

Not a change you expect?

Create an issue on GitHub
...or to speed up fix – add a test fixture

Config rector.php

<?php

use Rector\Config\RectorConfig;
use Rector\PHPUnit\CodeQuality\Rector\Class_\PreferPHPUnitSelfCallRector;
use Rector\PHPUnit\CodeQuality\Rector\Class_\PreferPHPUnitThisCallRector;

return RectorConfig::configure()
    ->withRules([
        PreferPHPUnitThisCallRector::class,
        PreferPHPUnitSelfCallRector::class,
    ]);

Rector version: ea5089 - released at 2026-01-27 00:48