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require 'spec_helper'
describe "Arel" do
before :all do
@owner = Arel::Model.build do |r|
r.engine Arel::Testing::Engine.new
r.attribute :id, Arel::Attributes::Integer
end
@thing = Arel::Model.build do |r|
r.engine Arel::Testing::Engine.new
r.attribute :id, Arel::Attributes::Integer
r.attribute :owner_id, Arel::Attributes::Integer
r.attribute :age, Arel::Attributes::Integer
end
end
describe "Join" do
before :all do
@relation = @thing.join(@owner).on(@thing[:owner_id].eq(@owner[:id]))
@expected = []
3.times do |owner_id|
@owner.insert([owner_id])
8.times do |i|
thing_id = owner_id * 8 + i
age = 2 * thing_id
@thing.insert([thing_id, owner_id, age])
@expected << Arel::Row.new(@relation, [thing_id, owner_id, age, owner_id])
end
end
end
it_should_behave_like 'A Relation'
end
end
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