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require 'spec_helper'
module Arel
describe Having do
before do
@relation = Table.new(:developers)
end
describe '#to_sql' do
describe 'when given a predicate' do
it "manufactures sql with where clause conditions" do
sql = @relation.group(@relation[:department]).having("MIN(salary) > 1000").to_sql
adapter_is :mysql do
sql.should be_like(%Q{
SELECT `developers`.`id`, `developers`.`name`, `developers`.`salary`, `developers`.`department`, `developers`.`created_at`
FROM `developers`
GROUP BY `developers`.`department`
HAVING MIN(salary) > 1000
})
end
adapter_is :oracle do
sql.should be_like(%Q{
SELECT "DEVELOPERS"."ID", "DEVELOPERS"."NAME", "DEVELOPERS"."SALARY", "DEVELOPERS"."DEPARTMENT", "DEVELOPERS"."CREATED_AT"
FROM "DEVELOPERS"
GROUP BY "DEVELOPERS"."DEPARTMENT"
HAVING MIN(salary) > 1000
})
end
adapter_is_not :mysql, :oracle do
sql.should be_like(%Q{
SELECT "developers"."id", "developers"."name", "developers"."salary", "developers"."department", "developers"."created_at"
FROM "developers"
GROUP BY "developers"."department"
HAVING MIN(salary) > 1000
})
end
end
end
describe 'when given two predicates' do
it "manufactures sql with where clause conditions joined by AND" do
sql = @relation.group(@relation[:department]).having("MIN(salary) > 1000", "MAX(salary) < 10000").to_sql
adapter_is :mysql do
sql.should be_like(%Q{
SELECT `developers`.`id`, `developers`.`name`, `developers`.`salary`, `developers`.`department`, `developers`.`created_at`
FROM `developers`
GROUP BY `developers`.`department`
HAVING MIN(salary) > 1000 AND MAX(salary) < 10000
})
end
adapter_is :oracle do
sql.should be_like(%Q{
SELECT "DEVELOPERS"."ID", "DEVELOPERS"."NAME", "DEVELOPERS"."SALARY", "DEVELOPERS"."DEPARTMENT", "DEVELOPERS"."CREATED_AT"
FROM "DEVELOPERS"
GROUP BY "DEVELOPERS"."DEPARTMENT"
HAVING MIN(salary) > 1000 AND MAX(salary) < 10000
})
end
adapter_is_not :mysql, :oracle do
sql.should be_like(%Q{
SELECT "developers"."id", "developers"."name", "developers"."salary", "developers"."department", "developers"."created_at"
FROM "developers"
GROUP BY "developers"."department"
HAVING MIN(salary) > 1000 AND MAX(salary) < 10000
})
end
end
end
end
end
end
|
