Ruby 2.2 compatibility
Common Errors and solutions
1. tests complaining about 'skip'
: NoMethodError: undefined method skip' for #<TestFoo:0x007fb75484f158>
Two solutions Reference
- . Use test-unit (require 'test/unit' )and replace skip with omit
- . use minitest (require 'minitest/autorun') and use skip itself
2. Ruby2.2 reports NameError: uninitialized constant <Object>::<Something> while Ruby2.1 works
3. Ruby2.2 not detecting sqlite3 gem and suggests to add it to Gemfile
ruby-sqlite3 needs to be rebuilt with Ruby2.2 support