Minitest Cheat Sheet

gistfile1.txt

# Credit - http://mattsears.com/articles/2011/12/10/minitest-quick-reference
#
# must_be             list.size.must_be :==, 0                                                                                                                 
# must_be_close_to    subject.size.must_be_close_to 1,1                                                                                                        
# must_be_empty       list.must_be_empty                                                                                                                       
# must_be_instance_of list.must_be_instance_of Array                                                                                                           
# must_be_kind_of     list.must_be_kind_of Enumerable                                                                                                          
# must_be_nil         list.first.must_be_nil                                                                                                                   
# must_be_same_as     subject.must_be_same_as subject                                                                                                          
# must_be_silent      proc { "no stdout or stderr" }.must_be_silent                                                                                            
# must_be_within_epsilon  subject.size.must_be_within_epsilon 1,1                                                                                              
# must_equal          subject.size.must_equal 2                                                                                                                
# must_include        subject.must_include "skinny jeans"                                                                                                      
# must_match          subject.first.must_match /silly/                                                                                                         
# must_output         proc { print "#{subject.size}!" }.must_output "2!"                                                                                       
# must_respond_to     subject.must_respond_to :count                                                                                                           
# must_raise          proc { subject.foo }.must_raise NoMethodError                                                                                            
# must_send           subject.must_send [subject, :values_at, 0]                                                                                               
# must_throw          proc { throw :done if subject.any? }.must_throw :done