path: root/test/attributes/test_attribute.rb

require 'helper'
require 'ostruct'

module Arel
  module Attributes
    describe 'attribute' do
      describe '#not_eq' do
        it 'should create a NotEqual node' do
          relation = Table.new(:users)
          relation[:id].not_eq(10).must_be_kind_of Nodes::NotEqual
        end

        it 'should generate != in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].not_eq(10)
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."id" != 10
          }
        end

        it 'should handle nil' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].not_eq(nil)
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."id" IS NOT NULL
          }
        end
      end

      describe '#not_eq_any' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].not_eq_any([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ORs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].not_eq_any([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" != 1 OR "users"."id" != 2)
          }
        end
      end

      describe '#not_eq_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].not_eq_all([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].not_eq_all([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" != 1 AND "users"."id" != 2)
          }
        end
      end

      describe '#gt' do
        it 'should create a GreaterThan node' do
          relation = Table.new(:users)
          relation[:id].gt(10).must_be_kind_of Nodes::GreaterThan
        end

        it 'should generate > in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].gt(10)
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."id" > 10
          }
        end

        it 'should handle comparing with a subquery' do
          users = Table.new(:users)

          avg = users.project(users[:karma].average)
          mgr = users.project(Arel.star).where(users[:karma].gt(avg))

          mgr.to_sql.must_be_like %{
            SELECT * FROM "users" WHERE "users"."karma" > (SELECT AVG("users"."karma") FROM "users")
          }
        end

        it 'should accept various data types.' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].gt('fake_name')
          mgr.to_sql.must_match %{"users"."name" > 'fake_name'}

          current_time = ::Time.now
          mgr.where relation[:created_at].gt(current_time)
          mgr.to_sql.must_match %{"users"."created_at" > '#{current_time}'}
        end
      end

      describe '#gt_any' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].gt_any([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ORs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].gt_any([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" > 1 OR "users"."id" > 2)
          }
        end
      end

      describe '#gt_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].gt_all([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].gt_all([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" > 1 AND "users"."id" > 2)
          }
        end
      end

      describe '#gteq' do
        it 'should create a GreaterThanOrEqual node' do
          relation = Table.new(:users)
          relation[:id].gteq(10).must_be_kind_of Nodes::GreaterThanOrEqual
        end

        it 'should generate >= in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].gteq(10)
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."id" >= 10
          }
        end

        it 'should accept various data types.' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].gteq('fake_name')
          mgr.to_sql.must_match %{"users"."name" >= 'fake_name'}

          current_time = ::Time.now
          mgr.where relation[:created_at].gteq(current_time)
          mgr.to_sql.must_match %{"users"."created_at" >= '#{current_time}'}
        end
      end

      describe '#gteq_any' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].gteq_any([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ORs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].gteq_any([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" >= 1 OR "users"."id" >= 2)
          }
        end
      end

      describe '#gteq_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].gteq_all([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].gteq_all([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" >= 1 AND "users"."id" >= 2)
          }
        end
      end

      describe '#lt' do
        it 'should create a LessThan node' do
          relation = Table.new(:users)
          relation[:id].lt(10).must_be_kind_of Nodes::LessThan
        end

        it 'should generate < in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].lt(10)
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."id" < 10
          }
        end

        it 'should accept various data types.' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].lt('fake_name')
          mgr.to_sql.must_match %{"users"."name" < 'fake_name'}

          current_time = ::Time.now
          mgr.where relation[:created_at].lt(current_time)
          mgr.to_sql.must_match %{"users"."created_at" < '#{current_time}'}
        end
      end

      describe '#lt_any' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].lt_any([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ORs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].lt_any([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" < 1 OR "users"."id" < 2)
          }
        end
      end

      describe '#lt_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].lt_all([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].lt_all([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" < 1 AND "users"."id" < 2)
          }
        end
      end

      describe '#lteq' do
        it 'should create a LessThanOrEqual node' do
          relation = Table.new(:users)
          relation[:id].lteq(10).must_be_kind_of Nodes::LessThanOrEqual
        end

        it 'should generate <= in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].lteq(10)
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."id" <= 10
          }
        end

        it 'should accept various data types.' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].lteq('fake_name')
          mgr.to_sql.must_match %{"users"."name" <= 'fake_name'}

          current_time = ::Time.now
          mgr.where relation[:created_at].lteq(current_time)
          mgr.to_sql.must_match %{"users"."created_at" <= '#{current_time}'}
        end
      end

      describe '#lteq_any' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].lteq_any([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ORs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].lteq_any([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" <= 1 OR "users"."id" <= 2)
          }
        end
      end

      describe '#lteq_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].lteq_all([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].lteq_all([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" <= 1 AND "users"."id" <= 2)
          }
        end
      end

      describe '#average' do
        it 'should create a AVG node' do
          relation = Table.new(:users)
          relation[:id].average.must_be_kind_of Nodes::Avg
        end

        it 'should generate the proper SQL' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id].average
          mgr.to_sql.must_be_like %{
            SELECT AVG("users"."id")
            FROM "users"
          }
        end
      end

      describe '#maximum' do
        it 'should create a MAX node' do
          relation = Table.new(:users)
          relation[:id].maximum.must_be_kind_of Nodes::Max
        end

        it 'should generate proper SQL' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id].maximum
          mgr.to_sql.must_be_like %{
            SELECT MAX("users"."id")
            FROM "users"
          }
        end
      end

      describe '#minimum' do
        it 'should create a Min node' do
          relation = Table.new(:users)
          relation[:id].minimum.must_be_kind_of Nodes::Min
        end

        it 'should generate proper SQL' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id].minimum
          mgr.to_sql.must_be_like %{
            SELECT MIN("users"."id")
            FROM "users"
          }
        end
      end

      describe '#sum' do
        it 'should create a SUM node' do
          relation = Table.new(:users)
          relation[:id].sum.must_be_kind_of Nodes::Sum
        end

        it 'should generate the proper SQL' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id].sum
          mgr.to_sql.must_be_like %{
            SELECT SUM("users"."id")
            FROM "users"
          }
        end
      end

      describe '#count' do
        it 'should return a count node' do
          relation = Table.new(:users)
          relation[:id].count.must_be_kind_of Nodes::Count
        end

        it 'should take a distinct param' do
          relation = Table.new(:users)
          count = relation[:id].count(nil)
          count.must_be_kind_of Nodes::Count
          count.distinct.must_be_nil
        end
      end

      describe '#eq' do
        it 'should return an equality node' do
          attribute = Attribute.new nil, nil
          equality = attribute.eq 1
          equality.left.must_equal attribute
          equality.right.val.must_equal 1
          equality.must_be_kind_of Nodes::Equality
        end

        it 'should generate = in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].eq(10)
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."id" = 10
          }
        end

        it 'should handle nil' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].eq(nil)
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."id" IS NULL
          }
        end
      end

      describe '#eq_any' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].eq_any([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ORs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].eq_any([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" = 1 OR "users"."id" = 2)
          }
        end

        it 'should not eat input' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          values = [1,2]
          mgr.where relation[:id].eq_any(values)
          values.must_equal [1,2]
        end
      end

      describe '#eq_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].eq_all([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].eq_all([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" = 1 AND "users"."id" = 2)
          }
        end

        it 'should not eat input' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          values = [1,2]
          mgr.where relation[:id].eq_all(values)
          values.must_equal [1,2]
        end
      end

      describe '#matches' do
        it 'should create a Matches node' do
          relation = Table.new(:users)
          relation[:name].matches('%bacon%').must_be_kind_of Nodes::Matches
        end

        it 'should generate LIKE in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].matches('%bacon%')
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."name" LIKE '%bacon%'
          }
        end
      end

      describe '#matches_any' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:name].matches_any(['%chunky%','%bacon%']).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ORs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].matches_any(['%chunky%','%bacon%'])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."name" LIKE '%chunky%' OR "users"."name" LIKE '%bacon%')
          }
        end
      end

      describe '#matches_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:name].matches_all(['%chunky%','%bacon%']).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].matches_all(['%chunky%','%bacon%'])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."name" LIKE '%chunky%' AND "users"."name" LIKE '%bacon%')
          }
        end
      end

      describe '#does_not_match' do
        it 'should create a DoesNotMatch node' do
          relation = Table.new(:users)
          relation[:name].does_not_match('%bacon%').must_be_kind_of Nodes::DoesNotMatch
        end

        it 'should generate NOT LIKE in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].does_not_match('%bacon%')
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."name" NOT LIKE '%bacon%'
          }
        end
      end

      describe '#does_not_match_any' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:name].does_not_match_any(['%chunky%','%bacon%']).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ORs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].does_not_match_any(['%chunky%','%bacon%'])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."name" NOT LIKE '%chunky%' OR "users"."name" NOT LIKE '%bacon%')
          }
        end
      end

      describe '#does_not_match_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:name].does_not_match_all(['%chunky%','%bacon%']).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].does_not_match_all(['%chunky%','%bacon%'])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."name" NOT LIKE '%chunky%' AND "users"."name" NOT LIKE '%bacon%')
          }
        end
      end

      describe 'with a range' do
        it 'can be constructed with a standard range' do
          attribute = Attribute.new nil, nil
          node = attribute.between(1..3)

          node.must_equal Nodes::Between.new(
            attribute,
            Nodes::And.new([
              Nodes::Casted.new(1, attribute),
              Nodes::Casted.new(3, attribute)
            ])
          )
        end

        it 'can be constructed with a range starting from -Infinity' do
          attribute = Attribute.new nil, nil
          node = attribute.between(-::Float::INFINITY..3)

          node.must_equal Nodes::LessThanOrEqual.new(
            attribute,
            Nodes::Casted.new(3, attribute)
          )
        end

        it 'can be constructed with a quoted range starting from -Infinity' do
          attribute = Attribute.new nil, nil
          node = attribute.between(quoted_range(-::Float::INFINITY, 3, false))

          node.must_equal Nodes::LessThanOrEqual.new(
            attribute,
            Nodes::Quoted.new(3)
          )
        end

        it 'can be constructed with an exclusive range starting from -Infinity' do
          attribute = Attribute.new nil, nil
          node = attribute.between(-::Float::INFINITY...3)

          node.must_equal Nodes::LessThan.new(
            attribute,
            Nodes::Casted.new(3, attribute)
          )
        end

        it 'can be constructed with a quoted exclusive range starting from -Infinity' do
          attribute = Attribute.new nil, nil
          node = attribute.between(quoted_range(-::Float::INFINITY, 3, true))

          node.must_equal Nodes::LessThan.new(
            attribute,
            Nodes::Quoted.new(3)
          )
        end

        it 'can be constructed with an infinite range' do
          attribute = Attribute.new nil, nil
          node = attribute.between(-::Float::INFINITY..::Float::INFINITY)

          node.must_equal Nodes::NotIn.new(attribute, [])
        end

        it 'can be constructed with a quoted infinite range' do
          attribute = Attribute.new nil, nil
          node = attribute.between(quoted_range(-::Float::INFINITY, ::Float::INFINITY, false))

          node.must_equal Nodes::NotIn.new(attribute, [])
        end


        it 'can be constructed with a range ending at Infinity' do
          attribute = Attribute.new nil, nil
          node = attribute.between(0..::Float::INFINITY)

          node.must_equal Nodes::GreaterThanOrEqual.new(
            attribute,
            Nodes::Casted.new(0, attribute)
          )
        end

        it 'can be constructed with a quoted range ending at Infinity' do
          attribute = Attribute.new nil, nil
          node = attribute.between(quoted_range(0, ::Float::INFINITY, false))

          node.must_equal Nodes::GreaterThanOrEqual.new(
            attribute,
            Nodes::Quoted.new(0)
          )
        end

        it 'can be constructed with an exclusive range' do
          attribute = Attribute.new nil, nil
          node = attribute.between(0...3)

          node.must_equal Nodes::And.new([
            Nodes::GreaterThanOrEqual.new(
              attribute,
              Nodes::Casted.new(0, attribute)
            ),
            Nodes::LessThan.new(
              attribute,
              Nodes::Casted.new(3, attribute)
            )
          ])
        end

        def quoted_range(begin_val, end_val, exclude)
          OpenStruct.new(
            begin: Nodes::Quoted.new(begin_val),
            end: Nodes::Quoted.new(end_val),
            exclude_end?: exclude,
          )
        end
      end

      describe '#in' do
        it 'can be constructed with a subquery' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].does_not_match_all(['%chunky%','%bacon%'])
          attribute = Attribute.new nil, nil

          node = attribute.in(mgr)

          node.must_equal Nodes::In.new(attribute, mgr.ast)
        end

        it 'can be constructed with a list' do
          attribute = Attribute.new nil, nil
          node = attribute.in([1, 2, 3])

          node.must_equal Nodes::In.new(
            attribute,
            [
              Nodes::Casted.new(1, attribute),
              Nodes::Casted.new(2, attribute),
              Nodes::Casted.new(3, attribute),
            ]
          )
        end

        it 'can be constructed with a random object' do
          attribute = Attribute.new nil, nil
          random_object = Object.new
          node = attribute.in(random_object)

          node.must_equal Nodes::In.new(
            attribute,
            Nodes::Casted.new(random_object, attribute)
          )
        end

        it 'should generate IN in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].in([1,2,3])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."id" IN (1, 2, 3)
          }
        end
      end

      describe '#in_any' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].in_any([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ORs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].in_any([[1,2], [3,4]])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" IN (1, 2) OR "users"."id" IN (3, 4))
          }
        end
      end

      describe '#in_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].in_all([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].in_all([[1,2], [3,4]])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" IN (1, 2) AND "users"."id" IN (3, 4))
          }
        end
      end

      describe 'with a range' do
        it 'can be constructed with a standard range' do
          attribute = Attribute.new nil, nil
          node = attribute.not_between(1..3)

          node.must_equal Nodes::Grouping.new(Nodes::Or.new(
            Nodes::LessThan.new(
              attribute,
              Nodes::Casted.new(1, attribute)
            ),
            Nodes::GreaterThan.new(
              attribute,
              Nodes::Casted.new(3, attribute)
            )
          ))
        end

        it 'can be constructed with a range starting from -Infinity' do
          attribute = Attribute.new nil, nil
          node = attribute.not_between(-::Float::INFINITY..3)

          node.must_equal Nodes::GreaterThan.new(
            attribute,
            Nodes::Casted.new(3, attribute)
          )
        end

        it 'can be constructed with an exclusive range starting from -Infinity' do
          attribute = Attribute.new nil, nil
          node = attribute.not_between(-::Float::INFINITY...3)

          node.must_equal Nodes::GreaterThanOrEqual.new(
            attribute,
            Nodes::Casted.new(3, attribute)
          )
        end

        it 'can be constructed with an infinite range' do
          attribute = Attribute.new nil, nil
          node = attribute.not_between(-::Float::INFINITY..::Float::INFINITY)

          node.must_equal Nodes::In.new(attribute, [])
        end

        it 'can be constructed with a range ending at Infinity' do
          attribute = Attribute.new nil, nil
          node = attribute.not_between(0..::Float::INFINITY)

          node.must_equal Nodes::LessThan.new(
            attribute,
            Nodes::Casted.new(0, attribute)
          )
        end

        it 'can be constructed with an exclusive range' do
          attribute = Attribute.new nil, nil
          node = attribute.not_between(0...3)

          node.must_equal Nodes::Grouping.new(Nodes::Or.new(
            Nodes::LessThan.new(
              attribute,
              Nodes::Casted.new(0, attribute)
            ),
            Nodes::GreaterThanOrEqual.new(
              attribute,
              Nodes::Casted.new(3, attribute)
            )
          ))
        end
      end

      describe '#not_in' do
        it 'can be constructed with a subquery' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:name].does_not_match_all(['%chunky%','%bacon%'])
          attribute = Attribute.new nil, nil

          node = attribute.not_in(mgr)

          node.must_equal Nodes::NotIn.new(attribute, mgr.ast)
        end

        it 'can be constructed with a list' do
          attribute = Attribute.new nil, nil
          node = attribute.not_in([1, 2, 3])

          node.must_equal Nodes::NotIn.new(
            attribute,
            [
              Nodes::Casted.new(1, attribute),
              Nodes::Casted.new(2, attribute),
              Nodes::Casted.new(3, attribute),
            ]
          )
        end

        it 'can be constructed with a random object' do
          attribute = Attribute.new nil, nil
          random_object = Object.new
          node = attribute.not_in(random_object)

          node.must_equal Nodes::NotIn.new(
            attribute,
            Nodes::Casted.new(random_object, attribute)
          )
        end

        it 'should generate NOT IN in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].not_in([1,2,3])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE "users"."id" NOT IN (1, 2, 3)
          }
        end
      end

      describe '#not_in_any' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].not_in_any([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ORs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].not_in_any([[1,2], [3,4]])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" NOT IN (1, 2) OR "users"."id" NOT IN (3, 4))
          }
        end
      end

      describe '#not_in_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].not_in_all([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].not_in_all([[1,2], [3,4]])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" NOT IN (1, 2) AND "users"."id" NOT IN (3, 4))
          }
        end
      end

      describe '#eq_all' do
        it 'should create a Grouping node' do
          relation = Table.new(:users)
          relation[:id].eq_all([1,2]).must_be_kind_of Nodes::Grouping
        end

        it 'should generate ANDs in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.where relation[:id].eq_all([1,2])
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" WHERE ("users"."id" = 1 AND "users"."id" = 2)
          }
        end
      end

      describe '#asc' do
        it 'should create an Ascending node' do
          relation = Table.new(:users)
          relation[:id].asc.must_be_kind_of Nodes::Ascending
        end

        it 'should generate ASC in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.order relation[:id].asc
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" ORDER BY "users"."id" ASC
          }
        end
      end

      describe '#desc' do
        it 'should create a Descending node' do
          relation = Table.new(:users)
          relation[:id].desc.must_be_kind_of Nodes::Descending
        end

        it 'should generate DESC in sql' do
          relation = Table.new(:users)
          mgr = relation.project relation[:id]
          mgr.order relation[:id].desc
          mgr.to_sql.must_be_like %{
            SELECT "users"."id" FROM "users" ORDER BY "users"."id" DESC
          }
        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.must_equal '"users"."id" = 1'
        end
      end
    end

    describe 'type casting' do
      it 'does not type cast by default' do
        table = Table.new(:foo)
        condition = table["id"].eq("1")

        refute table.able_to_type_cast?
        condition.to_sql.must_equal %("foo"."id" = '1')
      end

      it 'type casts when given an explicit caster' do
        fake_caster = Object.new
        def fake_caster.type_cast_for_database(attr_name, value)
          if attr_name == "id"
            value.to_i
          else
            value
          end
        end
        table = Table.new(:foo, type_caster: fake_caster)
        condition = table["id"].eq("1").and(table["other_id"].eq("2"))

        assert table.able_to_type_cast?
        condition.to_sql.must_equal %("foo"."id" = 1 AND "foo"."other_id" = '2')
      end

      it 'falls back to using the connection adapter for type casting' do
        table = Table.new(:users)
        condition = table["id"].eq("1")

        refute table.able_to_type_cast?
        condition.to_sql.must_equal %("users"."id" = 1)
      end
    end
  end
end