require 'helper'

describe Arel::Nodes::SelectStatement do
  describe "#clone" do
    it "clones cores" do
      statement = Arel::Nodes::SelectStatement.new %w[a b c]

      dolly = statement.clone
      dolly.cores.must_equal      statement.cores
      dolly.cores.wont_be_same_as statement.cores
    end
  end

  describe 'equality' do
    it 'is equal with equal ivars' do
      statement1 = Arel::Nodes::SelectStatement.new %w[a b c]
      statement1.offset = 1
      statement1.limit  = 2
      statement1.lock   = false
      statement1.orders = %w[x y z]
      statement1.with   = 'zomg'
      statement2 = Arel::Nodes::SelectStatement.new %w[a b c]
      statement2.offset = 1
      statement2.limit  = 2
      statement2.lock   = false
      statement2.orders = %w[x y z]
      statement2.with   = 'zomg'
      array = [statement1, statement2]
      assert_equal 1, array.uniq.size
    end

    it 'is not equal with different ivars' do
      statement1 = Arel::Nodes::SelectStatement.new %w[a b c]
      statement1.offset = 1
      statement1.limit  = 2
      statement1.lock   = false
      statement1.orders = %w[x y z]
      statement1.with   = 'zomg'
      statement2 = Arel::Nodes::SelectStatement.new %w[a b c]
      statement2.offset = 1
      statement2.limit  = 2
      statement2.lock   = false
      statement2.orders = %w[x y z]
      statement2.with   = 'wth'
      array = [statement1, statement2]
      assert_equal 2, array.uniq.size
    end
  end
end