power_assert alternatives and similar gems

Based on the "Extra" category.
Alternatively, view power_assert alternatives based on common mentions on social networks and blogs.

vcr

9.2 6.6 L5 power_assert VS vcr

Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
Parallel Tests

8.6 6.6 L5 power_assert VS Parallel Tests

Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber

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timecop

8.4 5.5 L4 power_assert VS 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.
Spring

8.3 6.8 L4 power_assert VS Spring

Rails application preloader
mutant

7.4 8.5 L4 power_assert VS mutant

Automated code reviews via mutation testing - semantic code coverage.
Appraisal

6.3 2.3 L5 power_assert VS Appraisal

A Ruby library for testing your library against different versions of dependencies.
Ruby-JMeter

5.9 0.0 L5 power_assert VS Ruby-JMeter

A Ruby based DSL for building JMeter test plans
Knapsack

4.5 2.8 power_assert VS Knapsack

Knapsack splits tests evenly across parallel CI nodes to run fast CI build and save you time.
Zapata

4.0 0.0 L5 power_assert VS Zapata

An Automatic Automated Test Writer
Wrong

4.0 0.0 L5 power_assert VS Wrong

Wrong provides a general assert method that takes a predicate block. Assertion failure messages are rich in detail.
rspec-side_effects

1.1 0.0 power_assert VS rspec-side_effects

RSpec extension for checking the side effects of your specifications.