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require 'spec_helper'
describe Arel::Nodes::SelectCore do
describe "#clone" do
it "clones froms, projections and wheres" do
core = Arel::Nodes::SelectCore.new
core.instance_variable_set "@froms", %w[a b c]
core.instance_variable_set "@projections", %w[d e f]
core.instance_variable_set "@wheres", %w[g h i]
[:froms, :projections, :wheres].each do |array_attr|
core.send(array_attr).each_with_index do |o, j|
o.should_receive(:clone).and_return("#{o}#{j}")
end
end
dolly = core.clone
check dolly.froms.should == %w[a0 b1 c2]
check dolly.projections.should == %w[d0 e1 f2]
check dolly.wheres.should == %w[g0 h1 i2]
end
end
end
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