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require 'helper'
module Arel
module Nodes
class TestInfixOperation < Minitest::Test
def test_construct
operation = InfixOperation.new :+, 1, 2
assert_equal :+, operation.operator
assert_equal 1, operation.left
assert_equal 2, operation.right
end
def test_operation_alias
operation = InfixOperation.new :+, 1, 2
aliaz = operation.as('zomg')
assert_kind_of As, aliaz
assert_equal operation, aliaz.left
assert_equal 'zomg', aliaz.right
end
def test_operation_ordering
operation = InfixOperation.new :+, 1, 2
ordering = operation.desc
assert_kind_of Descending, ordering
assert_equal operation, ordering.expr
assert ordering.descending?
end
def test_equality_with_same_ivars
array = [InfixOperation.new(:+, 1, 2), InfixOperation.new(:+, 1, 2)]
assert_equal 1, array.uniq.size
end
def test_inequality_with_different_ivars
array = [InfixOperation.new(:+, 1, 2), InfixOperation.new(:+, 1, 3)]
assert_equal 2, array.uniq.size
end
end
end
end
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