Rule `php_unit_strict`¶

PHPUnit methods like assertSame should be used instead of assertEquals.

Warning¶

Risky when any of the functions are overridden or when testing object equality.

List of assertion methods to fix.

Allowed values: a subset of ['assertAttributeEquals', 'assertAttributeNotEquals', 'assertEquals', 'assertNotEquals']

Default value: ['assertAttributeEquals', 'assertAttributeNotEquals', 'assertEquals', 'assertNotEquals']

Default configuration.

--- Original
+++ New
 <?php
 final class MyTest extends \PHPUnit_Framework_TestCase
 {
     public function testSomeTest()
     {
-        $this->assertAttributeEquals(a(), b());
-        $this->assertAttributeNotEquals(a(), b());
-        $this->assertEquals(a(), b());
-        $this->assertNotEquals(a(), b());
+        $this->assertAttributeSame(a(), b());
+        $this->assertAttributeNotSame(a(), b());
+        $this->assertSame(a(), b());
+        $this->assertNotSame(a(), b());
     }
 }

With configuration: ['assertions' => ['assertEquals']].

--- Original
+++ New
 <?php
 final class MyTest extends \PHPUnit_Framework_TestCase
 {
     public function testSomeTest()
     {
         $this->assertAttributeEquals(a(), b());
         $this->assertAttributeNotEquals(a(), b());
-        $this->assertEquals(a(), b());
+        $this->assertSame(a(), b());
         $this->assertNotEquals(a(), b());
     }
 }

The rule is part of the following rule set:

@PhpCsFixer:risky: Using the @PhpCsFixer:risky rule set will enable the php_unit_strict rule with the default config.