gistfile1.txt

require 'spec_helper'

describe User do
  it "should blow up" do
    expect(User).to receive(:create!).and_raise(ActiveRecord::RecordNotUnique)
  end
end

=begin
Fails with:

$ rspec spec/models/user_spec.rb 
F

Failures:

  1) User should blow up
     Failure/Error: expect(User).to receive(:create!).and_raise(ActiveRecord::RecordNotUnique)
     ArgumentError:
       wrong number of arguments (0 for 2)
     # ./spec/models/user_spec.rb:5:in `block (2 levels) in <top (required)>'

Finished in 0.00639 seconds
1 example, 1 failure

Failed examples:

rspec ./spec/models/user_spec.rb:4 # User should blow up

Randomized with seed 58760

=end