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-rw-r--r--activerecord/test/cases/associations/identity_map_test.rb137
1 files changed, 137 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/identity_map_test.rb b/activerecord/test/cases/associations/identity_map_test.rb
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+++ b/activerecord/test/cases/associations/identity_map_test.rb
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+require "cases/helper"
+require 'models/author'
+require 'models/post'
+
+if ActiveRecord::IdentityMap.enabled?
+class InverseHasManyIdentityMapTest < ActiveRecord::TestCase
+ fixtures :authors, :posts
+
+ def test_parent_instance_should_be_shared_with_every_child_on_find
+ m = Author.first
+ is = m.posts
+ is.each do |i|
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to child-owned instance"
+ end
+ end
+
+ def test_parent_instance_should_be_shared_with_eager_loaded_children
+ m = Author.find(:first, :include => :posts)
+ is = m.posts
+ is.each do |i|
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to child-owned instance"
+ end
+
+ m = Author.find(:first, :include => :posts, :order => 'posts.id')
+ is = m.posts
+ is.each do |i|
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to child-owned instance"
+ end
+ end
+
+ def test_parent_instance_should_be_shared_with_newly_built_child
+ m = Author.first
+ i = m.posts.build(:title => 'Industrial Revolution Re-enactment', :body => 'Lorem ipsum')
+ assert_not_nil i.author
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to just-built-child-owned instance"
+ end
+
+ def test_parent_instance_should_be_shared_with_newly_block_style_built_child
+ m = Author.first
+ i = m.posts.build {|ii| ii.title = 'Industrial Revolution Re-enactment'; ii.body = 'Lorem ipsum'}
+ assert_not_nil i.title, "Child attributes supplied to build via blocks should be populated"
+ assert_not_nil i.author
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to just-built-child-owned instance"
+ end
+
+ def test_parent_instance_should_be_shared_with_newly_created_child
+ m = Author.first
+ i = m.posts.create(:title => 'Industrial Revolution Re-enactment', :body => 'Lorem ipsum')
+ assert_not_nil i.author
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to newly-created-child-owned instance"
+ end
+
+ def test_parent_instance_should_be_shared_with_newly_created_via_bang_method_child
+ m = Author.first
+ i = m.posts.create!(:title => 'Industrial Revolution Re-enactment', :body => 'Lorem ipsum')
+ assert_not_nil i.author
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to newly-created-child-owned instance"
+ end
+
+ def test_parent_instance_should_be_shared_with_newly_block_style_created_child
+ m = Author.first
+ i = m.posts.create {|ii| ii.title = 'Industrial Revolution Re-enactment'; ii.body = 'Lorem ipsum'}
+ assert_not_nil i.title, "Child attributes supplied to create via blocks should be populated"
+ assert_not_nil i.author
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to newly-created-child-owned instance"
+ end
+
+ def test_parent_instance_should_be_shared_with_poked_in_child
+ m = Author.first
+ i = Post.create(:title => 'Industrial Revolution Re-enactment', :body => 'Lorem ipsum')
+ m.posts << i
+ assert_not_nil i.author
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to newly-created-child-owned instance"
+ end
+
+ def test_parent_instance_should_be_shared_with_replaced_via_accessor_children
+ m = Author.first
+ i = Post.new(:title => 'Industrial Revolution Re-enactment', :body => 'Lorem ipsum')
+ m.posts = [i]
+ assert_same m, i.author
+ assert_not_nil i.author
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to replaced-child-owned instance"
+ end
+
+ def test_parent_instance_should_be_shared_with_replaced_via_method_children
+ m = Author.first
+ i = Post.new(:title => 'Industrial Revolution Re-enactment', :body => 'Lorem ipsum')
+ m.posts = [i]
+ assert_not_nil i.author
+ assert_equal m.name, i.author.name, "Name of man should be the same before changes to parent instance"
+ m.name = 'Bongo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to parent instance"
+ i.author.name = 'Mungo'
+ assert_equal m.name, i.author.name, "Name of man should be the same after changes to replaced-child-owned instance"
+ end
+end
+end