wrong

https://rubygems.org/gems/wrong
Wrong provides a general assert method that takes a predicate block. Assertion failure messages are rich in detail. The Wrong idea is to replace all those countless assert_this, assert_that library methods which only exist to give a more useful failure message than "assertion failed". Wrong replaces all of them in one fell swoop, since if you can write it in Ruby, Wrong can make a sensible failure message out of it. Also provided are several helper methods, like rescuing, capturing, and d.

Total

Ranking: 4,478 of 147,953
Downloads: 202,922

Daily

Ranking: 5,726 of 147,921
Downloads: 111

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12,62339,344active_column
12,72838,935active_mailer
18,27224,371erector-rails4
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23,39917,992vendorificator
29,52713,674salesmachine-ruby
32,80012,089docker_cloud
40,0119,477factor-connector-rackspace
42,2148,870translations
42,5848,769cant
42,7238,727hamster-the-process-watcher
48,1587,457trickery
49,1217,259junkfood
49,1217,259junkfood
51,9576,765knife-dns-update

Depends on

RankDownloadsName
2335,676,238diff-lcs
21823,310,548sexp_processor
23021,911,869ruby_parser
6727,446,187ruby2ruby
5,057160,380predicated