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require 'spec_helper'
module Arel
module Predicates
describe Binary do
class ConcreteBinary < Binary
def predicate_sql
"<=>"
end
end
before do
@relation = Arel::Table.new(:users)
@attribute1 = @relation[:id]
@attribute2 = @relation[:name]
end
describe "with compound predicates" do
before do
@operand1 = ConcreteBinary.new(@attribute1, 1)
@operand2 = ConcreteBinary.new(@attribute2, "name")
end
describe Or do
describe "#to_sql" do
it "manufactures sql with an OR operation" do
sql = Or.new(@operand1, @operand2).to_sql
adapter_is :mysql do
sql.should be_like(%Q{(`users`.`id` <=> 1 OR `users`.`name` <=> 'name')})
end
adapter_is :postgresql do
sql.should be_like(%Q{("users"."id" <=> 1 OR "users"."name" <=> E'name')})
end
adapter_is :sqlite3 do
sql.should be_like(%Q{("users"."id" <=> 1 OR "users"."name" <=> 'name')})
end
end
end
end
describe And do
describe "#to_sql" do
it "manufactures sql with an AND operation" do
sql = And.new(@operand1, @operand2).to_sql
adapter_is :mysql do
sql.should be_like(%Q{(`users`.`id` <=> 1 AND `users`.`name` <=> 'name')})
end
adapter_is :sqlite3 do
sql.should be_like(%Q{("users"."id" <=> 1 AND "users"."name" <=> 'name')})
end
adapter_is :postgresql do
sql.should be_like(%Q{("users"."id" <=> 1 AND "users"."name" <=> E'name')})
end
end
end
end
end
describe '#to_sql' do
describe 'when relating two attributes' do
it 'manufactures sql with a binary operation' do
sql = ConcreteBinary.new(@attribute1, @attribute2).to_sql
adapter_is :mysql do
sql.should be_like(%Q{`users`.`id` <=> `users`.`name`})
end
adapter_is_not :mysql do
sql.should be_like(%Q{"users"."id" <=> "users"."name"})
end
end
end
describe 'when relating an attribute and a value' do
before do
@value = "1-asdf"
end
describe 'when relating to an integer attribute' do
it 'formats values as integers' do
sql = ConcreteBinary.new(@attribute1, @value).to_sql
adapter_is :mysql do
sql.should be_like(%Q{`users`.`id` <=> 1})
end
adapter_is_not :mysql do
sql.should be_like(%Q{"users"."id" <=> 1})
end
end
end
describe 'when relating to a string attribute' do
it 'formats values as strings' do
sql = ConcreteBinary.new(@attribute2, @value).to_sql
adapter_is :mysql do
sql.should be_like(%Q{`users`.`name` <=> '1-asdf'})
end
adapter_is :sqlite3 do
sql.should be_like(%Q{"users"."name" <=> '1-asdf'})
end
adapter_is :postgresql do
sql.should be_like(%Q{"users"."name" <=> E'1-asdf'})
end
end
end
end
end
end
end
end
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