require "cases/helper" require "models/developer" require "models/topic" class PostgresqlTimestampTest < ActiveRecord::PostgreSQLTestCase class PostgresqlTimestampWithZone < ActiveRecord::Base; end self.use_transactional_tests = false setup do @connection = ActiveRecord::Base.connection @connection.execute("INSERT INTO postgresql_timestamp_with_zones (id, time) VALUES (1, '2010-01-01 10:00:00-1')") end teardown do PostgresqlTimestampWithZone.delete_all end def test_timestamp_with_zone_values_with_rails_time_zone_support with_timezone_config default: :utc, aware_attributes: true do @connection.reconnect! timestamp = PostgresqlTimestampWithZone.find(1) assert_equal Time.utc(2010,1,1, 11,0,0), timestamp.time assert_instance_of Time, timestamp.time end ensure @connection.reconnect! end def test_timestamp_with_zone_values_without_rails_time_zone_support with_timezone_config default: :local, aware_attributes: false do @connection.reconnect! # make sure to use a non-UTC time zone @connection.execute("SET time zone 'America/Jamaica'", "SCHEMA") timestamp = PostgresqlTimestampWithZone.find(1) assert_equal Time.utc(2010,1,1, 11,0,0), timestamp.time assert_instance_of Time, timestamp.time end ensure @connection.reconnect! end end class PostgresqlTimestampFixtureTest < ActiveRecord::PostgreSQLTestCase fixtures :topics def test_group_by_date keys = Topic.group("date_trunc('month', created_at)").count.keys assert_operator keys.length, :>, 0 keys.each { |k| assert_kind_of Time, k } end def test_load_infinity_and_beyond d = Developer.find_by_sql("select 'infinity'::timestamp as updated_at") assert d.first.updated_at.infinite?, "timestamp should be infinite" d = Developer.find_by_sql("select '-infinity'::timestamp as updated_at") time = d.first.updated_at assert time.infinite?, "timestamp should be infinite" assert_operator time, :<, 0 end def test_save_infinity_and_beyond d = Developer.create!(name: "aaron", updated_at: 1.0 / 0.0) assert_equal(1.0 / 0.0, d.updated_at) d = Developer.create!(name: "aaron", updated_at: -1.0 / 0.0) assert_equal(-1.0 / 0.0, d.updated_at) end def test_bc_timestamp date = Date.new(0) - 1.week Developer.create!(name: "aaron", updated_at: date) assert_equal date, Developer.find_by_name("aaron").updated_at end def test_bc_timestamp_leap_year date = Time.utc(-4, 2, 29) Developer.create!(name: "taihou", updated_at: date) assert_equal date, Developer.find_by_name("taihou").updated_at end def test_bc_timestamp_year_zero date = Time.utc(0, 4, 7) Developer.create!(name: "yahagi", updated_at: date) assert_equal date, Developer.find_by_name("yahagi").updated_at end end