diff options
Diffstat (limited to 'activesupport/test/time_travel_test.rb')
| -rw-r--r-- | activesupport/test/time_travel_test.rb | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/activesupport/test/time_travel_test.rb b/activesupport/test/time_travel_test.rb new file mode 100644 index 0000000000..9c61ab0ab5 --- /dev/null +++ b/activesupport/test/time_travel_test.rb @@ -0,0 +1,202 @@ +# frozen_string_literal: true + +require "abstract_unit" +require "active_support/core_ext/date_time" +require "active_support/core_ext/numeric/time" +require "time_zone_test_helpers" + +class TimeTravelTest < ActiveSupport::TestCase + include TimeZoneTestHelpers + + class TimeSubclass < ::Time; end + class DateSubclass < ::Date; end + class DateTimeSubclass < ::DateTime; end + + def test_time_helper_travel + Time.stub(:now, Time.now) do + expected_time = Time.now + 1.day + travel 1.day + + assert_equal expected_time.to_s(:db), Time.now.to_s(:db) + assert_equal expected_time.to_date, Date.today + assert_equal expected_time.to_datetime.to_s(:db), DateTime.now.to_s(:db) + ensure + travel_back + end + end + + def test_time_helper_travel_with_block + Time.stub(:now, Time.now) do + expected_time = Time.now + 1.day + + travel 1.day do + assert_equal expected_time.to_s(:db), Time.now.to_s(:db) + assert_equal expected_time.to_date, Date.today + assert_equal expected_time.to_datetime.to_s(:db), DateTime.now.to_s(:db) + end + + assert_not_equal expected_time.to_s(:db), Time.now.to_s(:db) + assert_not_equal expected_time.to_date, Date.today + assert_not_equal expected_time.to_datetime.to_s(:db), DateTime.now.to_s(:db) + end + end + + def test_time_helper_travel_to + Time.stub(:now, Time.now) do + expected_time = Time.new(2004, 11, 24, 01, 04, 44) + travel_to expected_time + + assert_equal expected_time, Time.now + assert_equal Date.new(2004, 11, 24), Date.today + assert_equal expected_time.to_datetime, DateTime.now + ensure + travel_back + end + end + + def test_time_helper_travel_to_with_block + Time.stub(:now, Time.now) do + expected_time = Time.new(2004, 11, 24, 01, 04, 44) + + travel_to expected_time do + assert_equal expected_time, Time.now + assert_equal Date.new(2004, 11, 24), Date.today + assert_equal expected_time.to_datetime, DateTime.now + end + + assert_not_equal expected_time, Time.now + assert_not_equal Date.new(2004, 11, 24), Date.today + assert_not_equal expected_time.to_datetime, DateTime.now + end + end + + def test_time_helper_travel_to_with_time_zone + with_env_tz "US/Eastern" do + with_tz_default ActiveSupport::TimeZone["UTC"] do + Time.stub(:now, Time.now) do + expected_time = 5.minutes.ago + + travel_to 5.minutes.ago do + assert_equal expected_time.to_s(:db), Time.zone.now.to_s(:db) + end + end + end + end + end + + def test_time_helper_travel_back + Time.stub(:now, Time.now) do + expected_time = Time.new(2004, 11, 24, 01, 04, 44) + + travel_to expected_time + assert_equal expected_time, Time.now + assert_equal Date.new(2004, 11, 24), Date.today + assert_equal expected_time.to_datetime, DateTime.now + travel_back + + assert_not_equal expected_time, Time.now + assert_not_equal Date.new(2004, 11, 24), Date.today + assert_not_equal expected_time.to_datetime, DateTime.now + ensure + travel_back + end + end + + def test_time_helper_travel_to_with_nested_calls_with_blocks + Time.stub(:now, Time.now) do + outer_expected_time = Time.new(2004, 11, 24, 01, 04, 44) + inner_expected_time = Time.new(2004, 10, 24, 01, 04, 44) + travel_to outer_expected_time do + e = assert_raises(RuntimeError) do + travel_to(inner_expected_time) do + # noop + end + end + assert_match(/Calling `travel_to` with a block, when we have previously already made a call to `travel_to`, can lead to confusing time stubbing\./, e.message) + end + end + end + + def test_time_helper_travel_to_with_nested_calls + Time.stub(:now, Time.now) do + outer_expected_time = Time.new(2004, 11, 24, 01, 04, 44) + inner_expected_time = Time.new(2004, 10, 24, 01, 04, 44) + travel_to outer_expected_time do + assert_nothing_raised do + travel_to(inner_expected_time) + + assert_equal inner_expected_time, Time.now + end + end + end + end + + def test_time_helper_travel_to_with_subsequent_calls + Time.stub(:now, Time.now) do + initial_expected_time = Time.new(2004, 11, 24, 01, 04, 44) + subsequent_expected_time = Time.new(2004, 10, 24, 01, 04, 44) + assert_nothing_raised do + travel_to initial_expected_time + travel_to subsequent_expected_time + + assert_equal subsequent_expected_time, Time.now + + travel_back + end + ensure + travel_back + end + end + + def test_travel_to_will_reset_the_usec_to_avoid_mysql_rouding + Time.stub(:now, Time.now) do + travel_to Time.utc(2014, 10, 10, 10, 10, 50, 999999) do + assert_equal 50, Time.now.sec + assert_equal 0, Time.now.usec + assert_equal 50, DateTime.now.sec + assert_equal 0, DateTime.now.usec + end + end + end + + def test_time_helper_travel_with_time_subclass + assert_equal TimeSubclass, TimeSubclass.now.class + assert_equal DateSubclass, DateSubclass.today.class + assert_equal DateTimeSubclass, DateTimeSubclass.now.class + + travel 1.day do + assert_equal TimeSubclass, TimeSubclass.now.class + assert_equal DateSubclass, DateSubclass.today.class + assert_equal DateTimeSubclass, DateTimeSubclass.now.class + assert_equal Time.now.to_s, TimeSubclass.now.to_s + assert_equal Date.today.to_s, DateSubclass.today.to_s + assert_equal DateTime.now.to_s, DateTimeSubclass.now.to_s + end + end + + def test_time_helper_freeze_time + expected_time = Time.now + freeze_time + sleep(1) + + assert_equal expected_time.to_s(:db), Time.now.to_s(:db) + ensure + travel_back + end + + def test_time_helper_freeze_time_with_block + expected_time = Time.now + + freeze_time do + sleep(1) + + assert_equal expected_time.to_s(:db), Time.now.to_s(:db) + end + + assert_operator expected_time.to_s(:db), :<, Time.now.to_s(:db) + end + + def test_time_helper_unfreeze_time + assert_equal method(:travel_back), method(:unfreeze_time) + end +end |