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require 'abstract_unit'
class Mixin < ActiveRecord::Base
end
# Let us control what Time.now returns for the TouchTest suite
class Time
@@forced_now_time = nil
cattr_accessor :forced_now_time
class << self
def now_with_forcing
if @@forced_now_time
@@forced_now_time
else
now_without_forcing
end
end
alias_method_chain :now, :forcing
end
end
class TouchTest < Test::Unit::TestCase
fixtures :mixins
def setup
Time.forced_now_time = Time.now
end
def teardown
Time.forced_now_time = nil
end
def test_time_mocking
five_minutes_ago = 5.minutes.ago
Time.forced_now_time = five_minutes_ago
assert_equal five_minutes_ago, Time.now
Time.forced_now_time = nil
assert_not_equal five_minutes_ago, Time.now
end
def test_update
stamped = Mixin.new
assert_nil stamped.updated_at
assert_nil stamped.created_at
stamped.save
assert_equal Time.now, stamped.updated_at
assert_equal Time.now, stamped.created_at
end
def test_create
obj = Mixin.create
assert_equal Time.now, obj.updated_at
assert_equal Time.now, obj.created_at
end
def test_many_updates
stamped = Mixin.new
assert_nil stamped.updated_at
assert_nil stamped.created_at
stamped.save
assert_equal Time.now, stamped.created_at
assert_equal Time.now, stamped.updated_at
old_updated_at = stamped.updated_at
Time.forced_now_time = 5.minutes.from_now
stamped.save
assert_equal Time.now, stamped.updated_at
assert_equal old_updated_at, stamped.created_at
end
def test_create_turned_off
Mixin.record_timestamps = false
mixin = Mixin.new
assert_nil mixin.updated_at
mixin.save
assert_nil mixin.updated_at
# Make sure Mixin.record_timestamps gets reset, even if this test fails,
# so that other tests do not fail because Mixin.record_timestamps == false
rescue Exception => e
raise e
ensure
Mixin.record_timestamps = true
end
end
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