David Chelimsky wrote:
> Now this violates a principle that you shouldn't stub things on the
> object you're spec'ing, but the alternative is to play with global
> values, which violates other principles. This is the simplest way IMO.
> But if you're concerned about internals of AR changing, you could do
> this:
Since my library extends ActiveRecord::Base and its magic datetime
columns I think that I should test that my extension does not change the
anticipated behaviour of AR itself.
However, default_timezone cannot be set on an instance of AR:Base
insofar as I can tell. Further, setting the default_timezone on AR:Base
itself does not appear to have any effect:
[ "local", "utc" ].each do |tz|
ActiveRecord::Base.default_timezone = tz
@my_mage = Magik.new
@my_mage.description = tz
@my_mage.my_time_local = DateTime.now
@my_mage.my_time_utc = DateTime.now.utc
@my_mage.save!
puts @my_mage.description
end
...
it "should set the UTC time (for _at/_on) correctly" do
my_magic = Magik.find_by_description!("local")
puts " "
puts my_magic.description
puts "Local: #{my_magic.my_time_local} =
#{my_magic.my_time_local.to_f}"
puts " now: #{Time.now} = #{Time.now.to_f}"
puts " UTC: #{my_magic.my_time_utc} = #{my_magic.my_time_utc.to_f}"
puts " now: #{Time.now.utc} = #{Time.now.utc.to_f}"
my_magic = Magik.find_by_description!("utc")
puts " "
puts my_magic.description
puts "Local: #{my_magic.my_time_local} =
#{my_magic.my_time_local.to_f}"
puts " now: #{Time.now} = #{Time.now.to_f}"
puts " UTC: #{my_magic.my_time_utc} = #{my_magic.my_time_utc.to_f}"
puts " now: #{Time.now.utc} = #{Time.now.utc.to_f}"
Produces this:
.....
local
Local: Mon Feb 09 14:20:06 UTC 2009 = 1234189206.0
now: Mon Feb 09 14:20:06 -0500 2009 = 1234207206.77585
UTC: Mon Feb 09 19:20:06 UTC 2009 = 1234207206.0
now: Mon Feb 09 19:20:06 UTC 2009 = 1234207206.77609
utc
Local: Mon Feb 09 14:20:06 UTC 2009 = 1234189206.0
now: Mon Feb 09 14:20:06 -0500 2009 = 1234207206.77807
UTC: Mon Feb 09 19:20:06 UTC 2009 = 1234207206.0
now: Mon Feb 09 19:20:06 UTC 2009 = 1234207206.7783
.
Finished in 0.429892 seconds
It seems that I am not overriding the AR:BASE.default_timezone setting
since, as far as I can tell, the values stored are the same whatever
value I set the default_tz to.
Does anyone have a technique to accomplish this?
--
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