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PHPUnit ErrorHandler

An alternative approach to unit testing PHP errors.

Whilst you can use PHPUnit's built-in behaviour of converting all errors, warnings and notices to exceptions, this package allows you to track all PHP errors, including user generated errors, separately.

The code is supplied as a trait and is based upon Error Condition Testing with PHPUnit

Here is an example use case:

<?php
use DigiTickets\PHPUnit\ErrorHandler;

class TestErrorHandling extends \PHPUnit\Framework\TestCase
{
    use ErrorHandler;

    public function testSomethingGeneratedAnError()
    {
        // Run something that will produce an error, warning or notice.
        // For example, a E_USER_NOTICE of 'Incompatible type ignored' can be tested as follows:
        $this->assertError('Incompatible type ignored', E_USER_NOTICE);
    }

    public function testSomethingDidNotGenerateAnError()
    {
        // Run something that should not produce an error, warning or notice.
        $this->assertNoErrors();
    }
}

Upgrading from V3.0.0 to V4.0.0

Thanks to imbrish, the upgrade is extremely simple.

In previous versions, you were required to have the following setup logic.

protected function setUp()
{
    // Set the error handler.
    $this->setUpErrorHandler();
}

Now you don't. You can remove the $this->setUpErrorHandler(); call. If you now have an empty setup() function, you can remove that also!

digitickets / phpunit-errorhandler

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PHPUnit ErrorHandler

Upgrading from V3.0.0 to V4.0.0