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Rule php_unit_method_casing

Enforce camel (or snake) case for PHPUnit test methods, following configuration.

Configuration

case

Apply camel or snake case to test methods.

Allowed values: 'camel_case' and 'snake_case'

Default value: 'camel_case'

Examples

Example #1

Default configuration.

--- Original
+++ New
 <?php
 class MyTest extends \PhpUnit\FrameWork\TestCase
 {
-    public function test_my_code() {}
+    public function testMyCode() {}
 }

Example #2

With configuration: ['case' => 'snake_case'].

--- Original
+++ New
 <?php
 class MyTest extends \PhpUnit\FrameWork\TestCase
 {
-    public function testMyCode() {}
+    public function test_my_code() {}
 }

Example #3

Default configuration.

--- Original
+++ New
 <?php
 use \PHPUnit\Framework\Attributes\Test;
 class MyTest extends \PhpUnit\FrameWork\TestCase
 {
     #[PHPUnit\Framework\Attributes\Test]
-    public function test_my_code() {}
+    public function testMyCode() {}
 }

Example #4

With configuration: ['case' => 'snake_case'].

--- Original
+++ New
 <?php
 use \PHPUnit\Framework\Attributes\Test;
 class MyTest extends \PhpUnit\FrameWork\TestCase
 {
     #[PHPUnit\Framework\Attributes\Test]
-    public function testMyCode() {}
+    public function test_my_code() {}
 }

Rule sets

The rule is part of the following rule sets:

• @PhpCsFixer

• @Symfony

References

• Fixer class: PhpCsFixer\Fixer\PhpUnit\PhpUnitMethodCasingFixer

• Test class: PhpCsFixer\Tests\Fixer\PhpUnit\PhpUnitMethodCasingFixerTest

The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.