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require 'spec_helper'
module Arel
module Attributes
describe 'attribute' do
describe '#count' do
it 'should return a count node' do
relation = Table.new(:users)
relation[:id].count.should be_kind_of Nodes::Count
end
it 'should take a distinct param' do
relation = Table.new(:users)
count = relation[:id].count(nil)
count.should be_kind_of Nodes::Count
count.distinct.should be_nil
end
end
describe '#eq' do
it 'should return an equality node' do
attribute = Attribute.new nil, nil, nil
equality = attribute.eq 1
check equality.left.should == attribute
check equality.right.should == 1
equality.should be_kind_of Nodes::Equality
end
end
describe '#in' do
it 'can be constructed with a list' do
end
it 'should return an in node' do
attribute = Attribute.new nil, nil, nil
node = Nodes::In.new attribute, [1,2,3]
check node.left.should == attribute
check node.right.should == [1, 2, 3]
end
end
end
describe 'equality' do
describe '#to_sql' do
it 'should produce sql' do
table = Table.new :users
condition = table['id'].eq 1
condition.to_sql.should == '"users"."id" = 1'
end
end
end
end
end
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