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require File.join(File.dirname(__FILE__), '..', '..', '..', 'spec_helper')
module Arel
describe Order do
before do
@relation = Table.new(:users)
@attribute = @relation[:id]
end
describe '#to_sql' do
describe "when given an attribute" do
it "manufactures sql with an order clause populated by the attribute" do
Order.new(@relation, @attribute).to_sql.should be_like("
SELECT `users`.`id`, `users`.`name`
FROM `users`
ORDER BY `users`.`id`
")
end
end
describe "when given multiple attributes" do
before do
@another_attribute = @relation[:name]
end
it "manufactures sql with an order clause populated by comma-separated attributes" do
Order.new(@relation, @attribute, @another_attribute).to_sql.should be_like("
SELECT `users`.`id`, `users`.`name`
FROM `users`
ORDER BY `users`.`id`, `users`.`name`
")
end
end
describe "when given a string" do
before do
@string = "asdf"
end
it "passes the string through to the order clause" do
Order.new(@relation, @string).to_sql.should be_like("
SELECT `users`.`id`, `users`.`name`
FROM `users`
ORDER BY asdf
")
end
end
describe "when ordering an ordered relation" do
before do
@ordered_relation = Order.new(@relation, @attribute)
@another_attribute = @relation[:name]
end
it "manufactures sql with the order clause of the last ordering preceding the first ordering" do
Order.new(@ordered_relation, @another_attribute).to_sql.should be_like("
SELECT `users`.`id`, `users`.`name`
FROM `users`
ORDER BY `users`.`name`, `users`.`id`
")
end
end
end
end
end
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