From: Mike Blyth <mike.blyth@...>
Date: 2006-03-18T02:24:10+09:00
Subject: Named fixtures and automatic instance variables; newbie prob

According to Agile Web Development with Rails (pg 148), a fixture like

version_control_book:
  id: 1
  title: Pragmatic Version Control
  ...

loaded as "fixtures: products"

can be accessed as @products["version_control_book"] or 
@version_control_book within a unit test (TestCase).

My (very simple) tests are working otherwise, but the equivalents of 
@products and @version_control_book are nil. Why?

patients.yml is:
-------------------------
newborn:
  id: 1
  hosp_ident: 120001010
  last_name: Musa
  other_names: BabyA
  sex: F
   .... etc.
-----------------------

patients_test.rb is

-----------------------------
require File.dirname(__FILE__) + '/../test_helper'
class PatientTest < Test::Unit::TestCase
  fixtures :patients

  def setup
      @patient = Patient.find(1)
  end

  def test_truth
    puts "@patients = #{@patients.inspect}"
    puts "@newborn = #{@newborn}"
    assert_kind_of Patient, @patient
    assert_equal 1, @patient.id
    assert_equal 'F', @patient.sex
    assert_equal '-', @patient.rv
      ... etc
  end
end
------------------------------------

and the output is:

[mike@eeyore ptbase]$ ruby test/unit/patient_test.rb
Loaded suite test/unit/patient_test
Started
nil
.
Finished in 0.166667 seconds.

1 tests, 4 assertions, 0 failures, 0 errors
[mike@eeyore ptbase]$ ruby test/unit/patient_test.rb
Loaded suite test/unit/patient_test
Started
@patients = nil
@newborn =
.
Finished in 0.134237 seconds.

1 tests, 4 assertions, 0 failures, 0 errors

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