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rails--rails/test/nodes/test_count.rb

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require 'helper'
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describe Arel::Nodes::Count do
describe "as" do
it 'should alias the count' do
table = Arel::Table.new :users
table[:id].count.as('foo').to_sql.must_be_like %{
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COUNT("users"."id") AS foo
}
end
end
describe "eq" do
it "should compare the count" do
table = Arel::Table.new :users
table[:id].count.eq(2).to_sql.must_be_like %{
COUNT("users"."id") = 2
}
end
end
describe 'equality' do
it 'is equal with equal ivars' do
array = [Arel::Nodes::Count.new('foo'), Arel::Nodes::Count.new('foo')]
assert_equal 1, array.uniq.size
end
it 'is not equal with different ivars' do
array = [Arel::Nodes::Count.new('foo'), Arel::Nodes::Count.new('foo!')]
assert_equal 2, array.uniq.size
end
end
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end