power_assert
Ruby Tests Profiling Toolbox
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| power_assert | Ruby Tests Profiling Toolbox | |
|---|---|---|
| - | 7 | |
| 1 | 1,793 | |
| - | 1.2% | |
| 0.0 | 7.5 | |
| over 3 years ago | 8 days ago | |
| Ruby | ||
| BSD 1-Clause License | MIT License |
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power_assert
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Tracking mentions began in Dec 2020.
Ruby Tests Profiling Toolbox
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Must-have gems for mature Rails
gem "test-prof" - https://github.com/test-prof/test-prof | Toolkit for inspecting and optimising your test-suite, a must-have.
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Measuring load time on fixtures
You might be able to do something with https://test-prof.evilmartians.io, but I'm not sure it has anything specific to fixtures out of the box. Maybe using the event profiler on sql.active_record events would be close enough. In the limit, you could wire together your own ActiveSupport::Notifications.instrument around the relevant blocks + an ActiveSupport::Notifications.subscribe to that event so as to log the relevant information. Docs: https://api.rubyonrails.org/classes/ActiveSupport/Notifications.html
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How to optimize factory creation.
To have a better vision of what objects are created in our spec file we can use test-prof, a powerful gem that provides a collection of different tools to analyse your test suite performance. One of this tool is really useful to identify a factory cascade, let’s introduce factory profiler.
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A Trick For Reading Flamegraphs
TestProf can be used to get flamegraphs for Ruby test suites.
- How to improve a test suit made with Rspec, Capybara, FactoryBot and Siteprism
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Does pytest break a lot of coding rules?
Rspec has spec_helper.rb.
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Learning resources to broaden the knowledge
I also love the test-prof documentation, there's a lot of good ideas on how to improve test performance.
What are some alternatives?
Ruby-JMeter - A Ruby based DSL for building JMeter test plans
DuckRails - Development tool to mock API endpoints quickly and easily (docker image available)
timecop - A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.
Spinach - Spinach is a BDD framework on top of Gherkin.
Parallel Tests - Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber
minitest - minitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, and benchmarking.
Wrong - Wrong provides a general assert method that takes a predicate block. Assertion failure messages are rich in detail.
rspec-side_effects - RSpec extension for checking the side effects of your specifications.
factory_bot - A library for setting up Ruby objects as test data.
R Spec - A minimalist RSpec clone with all the essentials. [Moved to: https://github.com/cyril/r_spec-clone.rb]
faker - A library for generating fake data such as names, addresses, and phone numbers.