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marciok/gist:4682848

Created January 31, 2013 13:26
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gistfile1.rb
# app/model/user.rb
has_and_belongs_to_many :friends, class_name: 'User', inverse_of: :friends
# spec/model/user_spec.rb
it { should have_and_belong_to_many(:friends).of_type('User').as_inverse_of(:friends) }
# Error message
#1) User Associations
# Failure/Error: it { should have_and_belong_to_many(:friends).of_type('User').as_inverse_of(:friends) }
# Expected User to reference and referenced in many "friends" of type "User" which is an inverse of "friends", got User #references and referenced in many friends of type User
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