development.rb

config.cache_classes = false
config.whiny_nils = true
config.action_controller.consider_all_requests_local = true
config.action_controller.perform_caching             = false
config.action_view.debug_rjs                         = true
config.action_mailer.raise_delivery_errors = false

gistfile1.txt

### in development mode:
$ script/console
Loading development environment (Rails 2.3.2)
>> require 'tstest'
Sphinx 0.9.9-rc2 (r1785)
Copyright (c) 2001-2009, Andrew Aksyonoff

using config file '/home/thomasn/dev/forgetmenot/forgetmenot/config/development.sphinx.conf'...
WARNING: key 'address' is deprecated in /home/thomasn/dev/forgetmenot/forgetmenot/config/development.sphinx.conf line 7; use 'listen' instead.
WARNING: key 'port' is deprecated in /home/thomasn/dev/forgetmenot/forgetmenot/config/development.sphinx.conf line 8; use 'listen' instead.
indexing index 'contact_delta'...
collected 2 docs, 0.0 MB
collected 0 attr values
sorted 0.0 Mvalues, 100.0% done
sorted 0.0 Mhits, 100.0% done
total 2 docs, 25 bytes
total 0.184 sec, 135 bytes/sec, 10.85 docs/sec
total 14 reads, 0.000 sec, 4.6 kb/call avg, 0.0 msec/call avg
total 12 writes, 0.010 sec, 0.3 kb/call avg, 0.9 msec/call avg
rotating indices: succesfully sent SIGHUP to searchd (pid=5607).
found it with search of delta index
=> []

### in test mode:
$ RAILS_ENV=test script/console
Loading test environment (Rails 2.3.2)
>> require 'tstest'
delta search failed
=> true

test.rb

config.cache_classes = true
config.whiny_nils = true
config.action_controller.consider_all_requests_local = true
config.action_controller.perform_caching             = false
config.action_mailer.delivery_method = :test
ThinkingSphinx.deltas_enabled         = true
ThinkingSphinx.updates_enabled        = true
ThinkingSphinx.suppress_delta_output  = true

tstest.rb

c = Contact.new :first_name => 'Joan', :last_name => 'OfArc'
puts "fail 001" unless 'OfArc' == c.last_name
c.save!
c = Contact.find_by_last_name('OfArc')
puts "fail 002" unless 'OfArc' == c.last_name
if Contact.search('OfArc').size == 1
  puts "found it with search of delta index"
else
  puts "delta search failed"
end