Mar 10 · 4 min read · import Tabs from '@theme/Tabs'; import TabItem from '@theme/TabItem'; WordPress 6.9 added assertEqualHTML(), which removes a whole category of brittle test failures caused by formatting-only HTML differences. I reviewed the implementation and mapped ...
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Mar 8 · 2 min read · Originally published at recca0120.github.io When your code contains sleep() calls, tests have to wait too. For example, this retry logic makes each test run take 15 seconds: // app/Http/Controllers/HomeController.php namespace App\Http\Controllers; ...
Join discussionMar 8 · 1 min read · Originally published at recca0120.github.io Scenario When writing feature tests, you sometimes need to fake $_SERVER variables -- for example, changing REMOTE_ADDR to test IP-related logic. How To Laravel's test methods natively support passing serve...
Join discussionMar 8 · 1 min read · Originally published at recca0120.github.io When a function accepts a callback parameter, how do you verify in PHPUnit that the callback was actually called, with the correct arguments and the right number of times? What's Wrong with the Naive Approa...
Join discussionMar 3 · 2 min read · Originally published at recca0120.github.io How do you write assertions when a method internally generates a random value, making the return value unpredictable? Random Values Make Tests Unpredictable Suppose we have a RandomHash class that generates...
Join discussionMar 3 · 1 min read · Originally published at recca0120.github.io Scenario A controller creates data and then redirects: class UserController extends Controller { public function create(Request $request) { $user = User::create($request->all()); return...
Join discussionMar 3 · 1 min read · Originally published at recca0120.github.io While developing Google Firebase-related code, I needed to mock QuerySnapshot, which implements IteratorAggregate. It wasn't immediately obvious how to make foreach work with Mockery. What is IteratorAggreg...
Join discussionNov 15, 2025 · 6 min read · Congratulations on reaching the final module of our course! You've come a long way, from the initial setup of PHPUnit to mastering the use of Mocks and Stubs. Now it's time to refine your skills, ensure your tests are a sustainable asset for your pro...
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Nov 8, 2025 · 6 min read · Welcome to the module that will transform the way you write unit tests. Until now, we have tested classes that were largely independent. In the real world, however, classes collaborate with each other. A UserService class might need an EmailClient cl...
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Aug 30, 2025 · 5 min read · Module 3: Deepening Your Testing Knowledge You have now mastered the basics: you know how to set up PHPUnit, write test classes, and use the most important assertions. Now, let's deepen our knowledge with techniques that will make your tests more eff...
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