Power Assert for Ruby.
Power Assert shows each value of variables and method calls in the expression. It is useful for testing, providing which value wasn’t correct when the condition is not satisfied.
test-unit(>= 3.0.0)
minitest-power_assert
pry-power_assert
rspec-power_assert
power_p
pry-byebug-power_assert
CRuby 2.0.0 or later
Power Assert in Ruby (at RubyKaigi 2014) // Speaker Deck