How to run single test method with phpunit?

How to Run a Single Test Method with PHPUnit

Are you struggling to run just a single test method with PHPUnit? Do you find yourself running into the issue of all test methods being executed instead of just the one you want? Don't worry, we've got you covered! In this guide, we'll walk you through the steps to run a single test method using PHPUnit, addressing common issues and providing easy solutions.

Understanding the Problem

Let's start by understanding the context of the problem. In this case, you want to run a single test method named testSaveAndDrop in the file escalation/EscalationGroupTest.php. However, when you try various combinations with phpunit, all the test methods in the file are executed instead of just the one you specified.

Finding the Solution

To solve this problem, we need to utilize the --filter option provided by PHPUnit. This option allows us to specify a filter pattern to select which test methods to run.

In your case, you've tried a few combinations without success. Let's break them down:

1. phpunit EscalationGroupTest escalation/EscalationGroupTest.php --filter=escalation/EscalationGroupTest.php::testSaveAndDrop
2. phpunit EscalationGroupTest escalation/EscalationGroupTest.php --filter=EscalationGroupTest.php::testSaveAndDrop
3. phpunit EscalationGroupTest escalation/EscalationGroupTest.php --filter=EscalationGroupTest::testSaveAndDrop
4. phpunit EscalationGroupTest escalation/EscalationGroupTest.php --filter=testSaveAndDrop

In all of these cases, the filter patterns are not correctly specifying the test method. What you need to do is provide a qualified class name followed by the double colon (::) and the test method name. Additionally, make sure there are no spaces in the filter pattern.

So, to run the testSaveAndDrop test method in the EscalationGroupTest class, the correct command would be:

phpunit --filter EscalationGroupTest::testSaveAndDrop escalation/EscalationGroupTest.php

Make sure to run the command from the root directory of your project.

Take Action!

Now that you have the solution to running a single test method with PHPUnit, it's time to put it into action! Run the command we provided above and see if it works for you. Don't forget to replace escalation/EscalationGroupTest.php and EscalationGroupTest with the appropriate file and class names in your project.

If you encounter any issues or have any questions, feel free to leave a comment below. We're here to help!

Happy testing! 🚀🧪

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