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rails--rails/activesupport/test/time_travel_test.rb

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# frozen_string_literal: true
require "abstract_unit"
require "active_support/core_ext/date_time"
require "active_support/core_ext/numeric/time"
class TimeTravelTest < ActiveSupport::TestCase
class TimeSubclass < ::Time; end
class DateSubclass < ::Date; end
class DateTimeSubclass < ::DateTime; end
def test_time_helper_travel
Time.stub(:now, Time.now) do
begin
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
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
begin
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
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_back
Time.stub(:now, Time.now) do
begin
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
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
begin
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
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
end