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Taming Legacy Code With Characterization Tests

Taming Legacy Code With Characterization Tests Developers make fun of legacy systems because we're scared of them. We're afraid that the tiniest change will cause the app to break in unexpected ways. We're afraid we won't realize it until a customer complains. One way to combat this fear is th...

A simple, extensible Rails forum

A simple, extensible Rails forum SimpleDiscussion is a Rails forum gem extracting the forum from GoRails. It includes categories, simple moderation, the ability to mark threads as solved, and more.Out of the box, SimpleDiscussion comes with styling for Boostrap v4 but you're free...

TestBench

TestBench The TestBench core API has just four methods. There's nothing hidden. There's no guessing, no monkey-patching, no configuration, and no complexity. It's just programming.

Realtime browser updates with Cable Ready (Example) | GoRails

Realtime browser updates with Cable Ready (Example) | GoRails Learn how to use Cable Ready to perform realtime browser updates using actions generated in Rails controllers, models, and background jobs. Cable Ready is the magic behind Stimulus Reflex.

Ruby Refinements

Ruby Refinements Refinements were added to the Ruby language as an experimental feature to safely modify an object’s methods in an isolated manner in Version 2.0.0 and became fully supported in Version 2.1.0. In this context, to modify means changing existing beha...

The RuboCop Name Drama Redux

The RuboCop Name Drama Redux By now, if you’re part of the Ruby programming community, you’ve probably heard of the proposal to rename RuboCop and the unpleasant events that followed it. I really struggled with coming up with a name for this article, as there are many topics ...

Best tool for automation

Best tool for automation Let’s be honest – the test automation domain, at a high level, is relatively simple. We run a linear set of instructions, we have a discrete expected final state, and tests either pass or fail. We generally don’t have broad scaling or concurrency ...

Why use Factory Bot instead of creating test data manually?

Why use Factory Bot instead of creating test data manually? I recently taught a Rails testing class where we wrote tests using RSpec, Capybara, Factory Bot and Faker.During the class, one of the students asked, why do we use Factory Bot? What’s the advantage over creating test data manually?The answer to t...

Catch a batch: Making Mayhem 5 times more responsive

Catch a batch: Making Mayhem 5 times more responsive Milliseconds matter: that’s equally true for Olympic champions, online gamers, and gaming startups. Even little breakdowns in an online platform backend like excessive database calls or in-memory data manipulation can severely slow down the gaming...

Binpacking SQS batches

Binpacking SQS batches The other day an ex-colleague messaged me with a question about efficiently packing SQS messages into batches. He knows I am easily nerd-sniped by these kinds of problem and passed it onto me. The system in question is a background job processing ...

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