From 30c9aa7883b5363ce3f50aa010a4245a418bca29 Mon Sep 17 00:00:00 2001
From: Yves Senn <yves.senn@gmail.com>
Date: Mon, 22 Jun 2015 15:25:36 +0200
Subject: AR absence validator respects `marked_for_destruction?`. Closes
 #20449.

Associated objects that were marked for destruction are considered absent.
---
 .../cases/validations/absence_validation_test.rb   | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 activerecord/test/cases/validations/absence_validation_test.rb

(limited to 'activerecord/test/cases/validations/absence_validation_test.rb')

diff --git a/activerecord/test/cases/validations/absence_validation_test.rb b/activerecord/test/cases/validations/absence_validation_test.rb
new file mode 100644
index 0000000000..dd43ee358c
--- /dev/null
+++ b/activerecord/test/cases/validations/absence_validation_test.rb
@@ -0,0 +1,75 @@
+require "cases/helper"
+require 'models/face'
+require 'models/interest'
+require 'models/man'
+require 'models/topic'
+
+class AbsenceValidationTest < ActiveRecord::TestCase
+  def test_non_association
+    boy_klass = Class.new(Man) do
+      def self.name; "Boy" end
+      validates_absence_of :name
+    end
+
+    assert boy_klass.new.valid?
+    assert_not boy_klass.new(name: "Alex").valid?
+  end
+
+  def test_has_one_marked_for_destruction
+    boy_klass = Class.new(Man) do
+      def self.name; "Boy" end
+      validates_absence_of :face
+    end
+
+    boy = boy_klass.new(face: Face.new)
+    assert_not boy.valid?, "should not be valid if has_one association is present"
+    assert_equal 1, boy.errors[:face].size, "should only add one error"
+
+    boy.face.mark_for_destruction
+    assert boy.valid?, "should be valid if association is marked for destruction"
+  end
+
+  def test_has_many_marked_for_destruction
+    boy_klass = Class.new(Man) do
+      def self.name; "Boy" end
+      validates_absence_of :interests
+    end
+    boy = boy_klass.new
+    boy.interests << [i1 = Interest.new, i2 = Interest.new]
+    assert_not boy.valid?, "should not be valid if has_many association is present"
+
+    i1.mark_for_destruction
+    assert_not boy.valid?, "should not be valid if has_many association is present"
+
+    i2.mark_for_destruction
+    assert boy.valid?
+  end
+
+  def test_does_not_call_to_a_on_associations
+    boy_klass = Class.new(Man) do
+      def self.name; "Boy" end
+      validates_absence_of :face
+    end
+
+    face_with_to_a = Face.new
+    def face_with_to_a.to_a; ['(/)', '(\)']; end
+
+    assert_nothing_raised { boy_klass.new(face: face_with_to_a).valid? }
+  end
+
+  def test_does_not_validate_if_parent_record_is_validate_false
+    repair_validations(Interest) do
+      Interest.validates_absence_of(:topic)
+      interest = Interest.new(topic: Topic.new(title: "Math"))
+      interest.save!(validate: false)
+      assert interest.persisted?
+
+      man = Man.new(interest_ids: [interest.id])
+      man.save!
+
+      assert_equal man.interests.size, 1
+      assert interest.valid?
+      assert man.valid?
+    end
+  end
+end
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