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require 'spec_helper'
module Arel
describe Project do
before do
@relation = Array.new([
[1, 'duck' ],
[2, 'duck' ],
[3, 'goose']
], [[:id, Attributes::Integer], [:name, Attributes::String]])
end
describe '#call' do
it 'retains only the attributes that are provided' do
@relation \
.project(@relation[:id]) \
.tap do |relation|
relation.call.should == [
Row.new(relation, [1]),
Row.new(relation, [2]),
Row.new(relation, [3])
]
end
end
end
end
end
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