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26 lines
804 B
Ruby
26 lines
804 B
Ruby
require File.join(File.dirname(__FILE__), '..', '..', '..', '..', 'spec_helper')
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module Arel
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describe Join do
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before do
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@relation1 = Table.new(:users)
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@relation2 = Table.new(:photos)
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@predicate = @relation1[:id].eq(@relation2[:user_id])
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end
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describe 'hashing' do
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it 'implements hash equality' do
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InnerJoin.new(@relation1, @relation2, @predicate) \
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.should hash_the_same_as(InnerJoin.new(@relation1, @relation2, @predicate))
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end
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end
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describe '#attributes' do
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it 'combines the attributes of the two relations' do
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join = InnerJoin.new(@relation1, @relation2, @predicate)
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join.attributes.should ==
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(@relation1.attributes + @relation2.attributes).collect { |a| a.bind(join) }
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end
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end
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end
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end
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