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Comment: Addning reference to solution
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Editor: ?CédricBoutillier
Comment: add solution for missing sqlite3
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ruby-sqlite3 needs to be rebuilt with Ruby2.2 support

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
  • . 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