require 'helper' require 'arel/collectors/bind' module Arel module Collectors class TestBindCollector < Arel::Test def setup @conn = FakeRecord::Base.new @visitor = Visitors::ToSql.new @conn.connection super end def collect node @visitor.accept(node, Collectors::Bind.new) end def compile node collect(node).value end def ast_with_binds bv table = Table.new(:users) manager = Arel::SelectManager.new Table.engine, table manager.where(table[:age].eq(bv)) manager.where(table[:name].eq(bv)) manager.ast end def test_leaves_binds node = Nodes::BindParam.new 'omg' list = compile node assert_equal node, list.first assert_equal node.class, list.first.class end def test_adds_strings bv = Nodes::BindParam.new('?') list = compile ast_with_binds bv assert_operator list.length, :>, 0 assert_equal bv, list.grep(Nodes::BindParam).first assert_equal bv.class, list.grep(Nodes::BindParam).first.class end def test_substitute_binds bv = Nodes::BindParam.new('?') collector = collect ast_with_binds bv values = collector.value offsets = values.map.with_index { |v,i| [v,i] }.find_all { |(v,_)| Nodes::BindParam === v }.map(&:last) list = collector.substitute_binds ["hello", "world"] assert_equal "hello", list[offsets[0]] assert_equal "world", list[offsets[1]] assert_equal 'SELECT FROM "users" WHERE "users"."age" = hello AND "users"."name" = world', list.join end def test_compile bv = Nodes::BindParam.new('?') collector = collect ast_with_binds bv sql = collector.compile ["hello", "world"] assert_equal 'SELECT FROM "users" WHERE "users"."age" = hello AND "users"."name" = world', sql end end end end