Coverband
Reek
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Coverband
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Dead code or unused code removal in ruby on rails.
Try https://github.com/danmayer/coverband
- How do I find all callbacks that could be executed before a controller action.
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Gem for visualizing executed code
Interesting idea! Not the same thing, but it reminded me quite a bit of Coverband
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How to Improve Code Quality on a Ruby on Rails Application
Find dead code with Coverband, which can be run in production.
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Ruby's Got You Covered
There are many tools for measuring test coverage, but one is SimpleCov. It also supports branches coverage. To measure coverage of production code, check out Coverband, which you can set up to use oneshot lines mode.
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Top 8 Tools for Ruby on Rails Code Optimization and Cleanup.
I'd add Coverband. Also, since you mention rack-mini-profiler, quick plug for rails-mini-profiler, which is my own spin on performance profiling for rails apps. Still WIP though.
Reek
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First commits in a Ruby on Rails app
Rubycritic uses reek under the hood so I added a reek config files at .reek.yml with the following content:
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Code Reviewing a Ruby on Rails application.
Reek is a code smell detection tool for Ruby that helps identify potential design issues. It analyzes your codebase and provides feedback on areas that might benefit from refactoring or improvement. Here's an overview of what Reek is and how to use it:
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Improve Code in Your Ruby Application with RubyCritic
$ reek app/controllers/erp/orders_controller.rb Inspecting 1 file(s): S app/controllers/erp/orders_controller.rb -- 1 warning: [91]:UncommunicativeVariableName: Erp::OrdersController#create has the variable name 'e' [https://github.com/troessner/reek/blob/v6.1.1/docs/Uncommunicative-Variable-Name.md]
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Gems that can identify churn, complexity, duplication and smells.
reek
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Security Risks On Rails: Misconfiguration and Unsafe Integrations
Other useful gems you may take a look at are dawnscanner, reek, and hakiri_toolbelt.
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The best way to review my code for code smells?
Beside RuboCop, I found reek very useful. https://github.com/troessner/reek
What are some alternatives?
SimpleCov - Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites
Rubocop - A Ruby static code analyzer and formatter, based on the community Ruby style guide. [Moved to: https://github.com/rubocop/rubocop]
Scientist - :microscope: A Ruby library for carefully refactoring critical paths.
rails_best_practices - a code metric tool for rails projects
MetricFu - A fist full of code metrics
Flay - Flay analyzes code for structural similarities. Differences in literal values, variable, class, method names, whitespace, programming style, braces vs do/end, etc are all ignored.
bundler-leak - Known-leaky gems verification for bundler: `bundle leak` to check your app and find leaky gems in your Gemfile :gem::droplet:
Rubycritic - A Ruby code quality reporter
Traceroute - A Rake task gem that helps you find the unused routes and controller actions for your Rails 3+ app
Flog - Flog reports the most tortured code in an easy to read pain report. The higher the score, the more pain the code is in.
Brakeman - A static analysis security vulnerability scanner for Ruby on Rails applications