test_associations.rb

require 'test_helper'

class AssociationsTest < ParanoidBaseTest
  def test_removal_with_associations
    # This test shows that the current implementation doesn't handle
    # assciation deletion correctly (when hard deleting via parent-object)
    paranoid_company_1 = ParanoidDestroyCompany.create! :name => "ParanoidDestroyCompany #1"
    paranoid_company_2 = ParanoidDeleteCompany.create! :name => "ParanoidDestroyCompany #1"
    paranoid_company_1.paranoid_products.create! :name => "ParanoidProduct #1"
    paranoid_company_2.paranoid_products.create! :name => "ParanoidProduct #2"

    assert_equal 1, ParanoidDestroyCompany.count
    assert_equal 1, ParanoidDeleteCompany.count
    assert_equal 2, ParanoidProduct.count

    ParanoidDestroyCompany.first.destroy
    assert_equal 0, ParanoidDestroyCompany.count
    assert_equal 1, ParanoidProduct.count
    assert_equal 1, ParanoidDestroyCompany.with_deleted.count
    assert_equal 2, ParanoidProduct.with_deleted.count

    ParanoidDestroyCompany.with_deleted.first.destroy!
    assert_equal 0, ParanoidDestroyCompany.count
    assert_equal 1, ParanoidProduct.count
    assert_equal 0, ParanoidDestroyCompany.with_deleted.count
    assert_equal 1, ParanoidProduct.with_deleted.count

    ParanoidDeleteCompany.with_deleted.first.destroy!
    assert_equal 0, ParanoidDeleteCompany.count
    assert_equal 0, ParanoidProduct.count
    assert_equal 0, ParanoidDeleteCompany.with_deleted.count
    assert_equal 0, ParanoidProduct.with_deleted.count
  end

  def test_belongs_to_with_deleted
    paranoid_time = ParanoidTime.first 
    paranoid_has_many_dependant = paranoid_time.paranoid_has_many_dependants.create(:name => 'dependant!')

    assert_equal paranoid_time, paranoid_has_many_dependant.paranoid_time
    assert_equal paranoid_time, paranoid_has_many_dependant.paranoid_time_with_deleted

    paranoid_time.destroy

    assert_nil paranoid_has_many_dependant.paranoid_time(true)
    assert_equal paranoid_time, paranoid_has_many_dependant.paranoid_time_with_deleted(true)
  end

  def test_belongs_to_polymorphic_with_deleted
    paranoid_time = ParanoidTime.first 
    paranoid_has_many_dependant = ParanoidHasManyDependant.create!(:name => 'dependant!', :paranoid_time_polymorphic_with_deleted => paranoid_time)

    assert_equal paranoid_time, paranoid_has_many_dependant.paranoid_time
    assert_equal paranoid_time, paranoid_has_many_dependant.paranoid_time_polymorphic_with_deleted

    paranoid_time.destroy

    assert_nil paranoid_has_many_dependant.paranoid_time(true)
    assert_equal paranoid_time, paranoid_has_many_dependant.paranoid_time_polymorphic_with_deleted(true)
  end

  def test_belongs_to_nil_polymorphic_with_deleted
    paranoid_time = ParanoidTime.first
    paranoid_has_many_dependant = ParanoidHasManyDependant.create!(:name => 'dependant!', :paranoid_time_polymorphic_with_deleted => nil)

    assert_nil paranoid_has_many_dependant.paranoid_time
    assert_nil paranoid_has_many_dependant.paranoid_time_polymorphic_with_deleted

    paranoid_time.destroy

    assert_nil paranoid_has_many_dependant.paranoid_time(true)
    assert_nil paranoid_has_many_dependant.paranoid_time_polymorphic_with_deleted(true)
  end

  def test_belongs_to_options
    paranoid_time = ParanoidHasManyDependant.reflections[:paranoid_time]
    assert_equal :belongs_to, paranoid_time.macro
    assert_nil paranoid_time.options[:with_deleted]
  end

  def test_belongs_to_with_deleted_options
    paranoid_time_with_deleted = ParanoidHasManyDependant.reflections[:paranoid_time_with_deleted]
    assert_equal :belongs_to, paranoid_time_with_deleted.macro
    assert paranoid_time_with_deleted.options[:with_deleted]
  end

  def test_belongs_to_polymorphic_with_deleted_options
    paranoid_time_polymorphic_with_deleted = ParanoidHasManyDependant.reflections[:paranoid_time_polymorphic_with_deleted]
    assert_equal :belongs_to, paranoid_time_polymorphic_with_deleted.macro
    assert paranoid_time_polymorphic_with_deleted.options[:with_deleted]
  end

  def test_only_find_associated_records_when_finding_with_paranoid_deleted
    parent = ParanoidBelongsDependant.create
    child = ParanoidHasManyDependant.create
    parent.paranoid_has_many_dependants << child

    unrelated_parent = ParanoidBelongsDependant.create
    unrelated_child = ParanoidHasManyDependant.create
    unrelated_parent.paranoid_has_many_dependants << unrelated_child

    child.destroy
    assert_paranoid_deletion(child)

    assert_equal [child], parent.paranoid_has_many_dependants.with_deleted.to_a
  end

  def test_cannot_find_a_paranoid_deleted_many_many_association
    left = ParanoidManyManyParentLeft.create
    right = ParanoidManyManyParentRight.create
    left.paranoid_many_many_parent_rights << right

    left.paranoid_many_many_parent_rights.delete(right)

    left.reload

    assert_equal [], left.paranoid_many_many_children, "Linking objects not deleted"
    assert_equal [], left.paranoid_many_many_parent_rights, "Associated objects not unlinked"
    assert_equal right, ParanoidManyManyParentRight.find(right.id), "Associated object deleted"
  end

  def test_cannot_find_a_paranoid_destroyed_many_many_association
    left = ParanoidManyManyParentLeft.create
    right = ParanoidManyManyParentRight.create
    left.paranoid_many_many_parent_rights << right

    left.paranoid_many_many_parent_rights.destroy(right)

    left.reload

    assert_equal [], left.paranoid_many_many_children, "Linking objects not deleted"
    assert_equal [], left.paranoid_many_many_parent_rights, "Associated objects not unlinked"
    assert_equal right, ParanoidManyManyParentRight.find(right.id), "Associated object deleted"
  end

  def test_cannot_find_a_has_many_through_object_when_its_linking_object_is_paranoid_destroyed
    left = ParanoidManyManyParentLeft.create
    right = ParanoidManyManyParentRight.create
    left.paranoid_many_many_parent_rights << right

    child = left.paranoid_many_many_children.first

    child.destroy

    left.reload

    assert_equal [], left.paranoid_many_many_parent_rights, "Associated objects not deleted"
  end

  def test_cannot_find_a_paranoid_deleted_model
    model = ParanoidBelongsDependant.create
    model.destroy

    assert_raises ActiveRecord::RecordNotFound do
      ParanoidBelongsDependant.find(model.id)
    end
  end

  def test_bidirectional_has_many_through_association_clear_is_paranoid
    left = ParanoidManyManyParentLeft.create
    right = ParanoidManyManyParentRight.create
    left.paranoid_many_many_parent_rights << right

    child = left.paranoid_many_many_children.first
    assert_equal left, child.paranoid_many_many_parent_left, "Child's left parent is incorrect"
    assert_equal right, child.paranoid_many_many_parent_right, "Child's right parent is incorrect"

    left.paranoid_many_many_parent_rights.clear

    assert_paranoid_deletion(child)
  end

  def test_bidirectional_has_many_through_association_destroy_is_paranoid
    left = ParanoidManyManyParentLeft.create
    right = ParanoidManyManyParentRight.create
    left.paranoid_many_many_parent_rights << right

    child = left.paranoid_many_many_children.first
    assert_equal left, child.paranoid_many_many_parent_left, "Child's left parent is incorrect"
    assert_equal right, child.paranoid_many_many_parent_right, "Child's right parent is incorrect"

    left.paranoid_many_many_parent_rights.destroy(right)

    assert_paranoid_deletion(child)
  end

  def test_bidirectional_has_many_through_association_delete_is_paranoid
    left = ParanoidManyManyParentLeft.create
    right = ParanoidManyManyParentRight.create
    left.paranoid_many_many_parent_rights << right

    child = left.paranoid_many_many_children.first
    assert_equal left, child.paranoid_many_many_parent_left, "Child's left parent is incorrect"
    assert_equal right, child.paranoid_many_many_parent_right, "Child's right parent is incorrect"

    left.paranoid_many_many_parent_rights.delete(right)

    assert_paranoid_deletion(child)
  end

  def test_belongs_to_on_normal_model_is_paranoid
    not_paranoid = HasOneNotParanoid.create
    not_paranoid.paranoid_time = ParanoidTime.create

    assert not_paranoid.save
    assert_not_nil not_paranoid.paranoid_time
  end

  def test_double_belongs_to_with_deleted
    not_paranoid = DoubleHasOneNotParanoid.create
    not_paranoid.paranoid_time = ParanoidTime.create

    assert not_paranoid.save
    assert_not_nil not_paranoid.paranoid_time
  end
end