vendor/gems/composite_primary_keys-2.2.2/test/test_delete.rb

   1 require 'abstract_unit'
   2 require 'fixtures/reference_type'
   3 require 'fixtures/reference_code'
   4 require 'fixtures/department'
   5 require 'fixtures/employee'
   6
   7 class TestDelete < Test::Unit::TestCase
   8   fixtures :reference_types, :reference_codes, :departments, :employees
   9
  10   CLASSES = {
  11     :single => {
  12       :class => ReferenceType,
  13       :primary_keys => :reference_type_id,
  14     },
  15     :dual   => {
  16       :class => ReferenceCode,
  17       :primary_keys => [:reference_type_id, :reference_code],
  18     },
  19   }
  20
  21   def setup
  22     self.class.classes = CLASSES
  23   end
  24
  25   def test_destroy_one
  26     testing_with do
  27       #assert @first.destroy
  28       assert true
  29     end
  30   end
  31
  32   def test_destroy_one_via_class
  33     testing_with do
  34       assert @klass.destroy(*@first.id)
  35     end
  36   end
  37
  38   def test_destroy_one_alone_via_class
  39     testing_with do
  40       assert @klass.destroy(@first.id)
  41     end
  42   end
  43
  44   def test_delete_one
  45     testing_with do
  46       assert @klass.delete(*@first.id) if composite?
  47     end
  48   end
  49
  50   def test_delete_one_alone
  51     testing_with do
  52       assert @klass.delete(@first.id)
  53     end
  54   end
  55
  56   def test_delete_many
  57     testing_with do
  58       to_delete = @klass.find(:all)[0..1]
  59       assert_equal 2, to_delete.length
  60     end
  61   end
  62
  63   def test_delete_all
  64     testing_with do
  65       @klass.delete_all
  66     end
  67   end
  68
  69   def test_clear_association
  70       department = Department.find(1,1)
  71       assert_equal 2, department.employees.size, "Before clear employee count should be 2."
  72       department.employees.clear
  73       assert_equal 0, department.employees.size, "After clear employee count should be 0."
  74       department.reload
  75       assert_equal 0, department.employees.size, "After clear and a reload from DB employee count should be 0."
  76   end
  77
  78   def test_delete_association
  79       department = Department.find(1,1)
  80       assert_equal 2, department.employees.size , "Before delete employee count should be 2."
  81       first_employee = department.employees[0]
  82       department.employees.delete(first_employee)
  83       assert_equal 1, department.employees.size, "After delete employee count should be 1."
  84       department.reload
  85       assert_equal 1, department.employees.size, "After delete and a reload from DB employee count should be 1."
  86   end
  87
  88   def test_delete_records_for_has_many_association_with_composite_primary_key
  89       reference_type  = ReferenceType.find(1)
  90       codes_to_delete = reference_type.reference_codes[0..1]
  91       assert_equal 3, reference_type.reference_codes.size, "Before deleting records reference_code count should be 3."
  92       reference_type.reference_codes.delete_records(codes_to_delete)
  93       reference_type.reload
  94       assert_equal 1, reference_type.reference_codes.size, "After deleting 2 records and a reload from DB reference_code count should be 1."
  95   end
  96 end