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Viewing changes to vendor/rails/activerecord/test/cases/mixin_test.rb

  • Committer: Richard Lee (Canonical)
  • Date: 2010-10-15 15:17:58 UTC
  • mfrom: (190.1.3 use-case-mapper)
  • Revision ID: richard.lee@canonical.com-20101015151758-wcvmfxrexsongf9d
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vendor/rails/activerecord/test/cases/mixin_test.rb
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require "cases/helper"
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class Mixin < ActiveRecord::Base
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end
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# Let us control what Time.now returns for the TouchTest suite
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class Time
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  @@forced_now_time = nil
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  cattr_accessor :forced_now_time
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  class << self
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    def now_with_forcing
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      if @@forced_now_time
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        @@forced_now_time
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      else
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        now_without_forcing
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      end
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    end
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    alias_method_chain :now, :forcing
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  end
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end
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class TouchTest < ActiveRecord::TestCase
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  fixtures :mixins
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  def setup
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    Time.forced_now_time = Time.now
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  end
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  def teardown
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    Time.forced_now_time = nil
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  end
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  def test_time_mocking
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    five_minutes_ago = 5.minutes.ago
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    Time.forced_now_time = five_minutes_ago
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    assert_equal five_minutes_ago, Time.now
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    Time.forced_now_time = nil
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    assert_not_equal five_minutes_ago, Time.now
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  end
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  def test_update
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    stamped = Mixin.new
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    assert_nil stamped.updated_at
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    assert_nil stamped.created_at
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    stamped.save
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    assert_equal Time.now, stamped.updated_at
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    assert_equal Time.now, stamped.created_at
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  end
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  def test_create
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    obj = Mixin.create
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    assert_equal Time.now, obj.updated_at
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    assert_equal Time.now, obj.created_at
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  end
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  def test_many_updates
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    stamped = Mixin.new
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    assert_nil stamped.updated_at
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    assert_nil stamped.created_at
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    stamped.save
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    assert_equal Time.now, stamped.created_at
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    assert_equal Time.now, stamped.updated_at
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    old_updated_at = stamped.updated_at
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    Time.forced_now_time = 5.minutes.from_now
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    stamped.lft_will_change!
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    stamped.save
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    assert_equal Time.now, stamped.updated_at
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    assert_equal old_updated_at, stamped.created_at
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  end
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  def test_create_turned_off
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    Mixin.record_timestamps = false
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    mixin = Mixin.new
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    assert_nil mixin.updated_at
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    mixin.save
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    assert_nil mixin.updated_at
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  # Make sure Mixin.record_timestamps gets reset, even if this test fails,
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  # so that other tests do not fail because Mixin.record_timestamps == false
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  rescue Exception => e
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    raise e
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  ensure
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    Mixin.record_timestamps = true
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  end
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end