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author | Marcin Raczkowski <marcin.raczkowski@gmail.com> | 2010-08-28 18:47:39 +0200 |
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committer | Emilio Tagua <miloops@gmail.com> | 2010-11-19 19:03:56 -0300 |
commit | ce3ea558ab509624a1c8d8499408f52ebb4bbe2b (patch) | |
tree | 62d7bdf583f11f0932a7dd15ac10216446d2bf00 /activerecord/test/cases/identity_map_test.rb | |
parent | 3df4460a742c18af8cc71e41009c9028467d16b5 (diff) | |
download | rails-ce3ea558ab509624a1c8d8499408f52ebb4bbe2b.tar.gz rails-ce3ea558ab509624a1c8d8499408f52ebb4bbe2b.tar.bz2 rails-ce3ea558ab509624a1c8d8499408f52ebb4bbe2b.zip |
IdentityMap - Tests for IM
Diffstat (limited to 'activerecord/test/cases/identity_map_test.rb')
-rw-r--r-- | activerecord/test/cases/identity_map_test.rb | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/activerecord/test/cases/identity_map_test.rb b/activerecord/test/cases/identity_map_test.rb new file mode 100644 index 0000000000..915f3abd26 --- /dev/null +++ b/activerecord/test/cases/identity_map_test.rb @@ -0,0 +1,198 @@ +require "cases/helper" +require 'models/developer' +require 'models/project' +require 'models/company' +require 'models/topic' +require 'models/reply' +require 'models/computer' +require 'models/customer' +require 'models/order' +require 'models/post' +require 'models/author' +require 'models/tag' +require 'models/tagging' +require 'models/comment' +require 'models/sponsor' +require 'models/member' +require 'models/essay' +require 'models/subscriber' + +class IdentityMapTest < ActiveRecord::TestCase + fixtures :accounts, :companies, :developers, :projects, :topics, + :developers_projects, :computers, :authors, :author_addresses, + :posts, :tags, :taggings, :comments, :subscribers + + def test_find_id + assert_same( + Client.find(3), + Client.find(3) + ) + end + + def test_find_pkey + assert_same( + Subscriber.find('swistak'), + Subscriber.find('swistak') + ) + end + + def test_find_by_id + assert_same( + Client.find_by_id(3), + Client.find_by_id(3) + ) + end + + def test_find_by_pkey + assert_same( + Subscriber.find_by_nick('swistak'), + Subscriber.find_by_nick('swistak') + ) + end + + def test_find_first_id + assert_same( + Client.find(:first, :conditions => {:id => 1}), + Client.find(:first, :conditions => {:id => 1}) + ) + end + + def test_find_first_pkey + assert_same( + Subscriber.find(:first, :conditions => {:nick => 'swistak'}), + Subscriber.find(:first, :conditions => {:nick => 'swistak'}) + ) + end + + def test_creation + t1 = Topic.create("title" => "t1") + t2 = Topic.find(t1.id) + assert_same(t1, t2) + end + + def test_updating_of_pkey + s = Subscriber.find_by_nick('swistak') + assert s.update_attribute(:nick, 'swistakTheJester') + assert_equal('swistakTheJester', s.nick) + + assert stj = Subscriber.find_by_nick('swistakTheJester') + assert_same(s, stj) + end + + def test_changing_associations + t1 = Topic.create("title" => "t1") + t2 = Topic.create("title" => "t2") + r1 = Reply.new("title" => "r1", "content" => "r1") + + r1.topic = t1 + assert r1.save + + assert_same(t1.replies.first, r1) + + r1.topic = t2 + assert r1.save + + assert_same(t2.replies.first, r1) + assert_equal(0, t1.replies.size) + end + + def test_im_with_polymorphic_has_many_going_through_join_model_with_custom_select_and_joins + tag = posts(:welcome).tags.first + tag_with_joins_and_select = posts(:welcome).tags.add_joins_and_select.first + assert_same(tag, tag_with_joins_and_select) + assert_nothing_raised(NoMethodError, "Joins/select was not loaded") { tag.author_id } + end + + def test_find_with_preloaded_associations + assert_queries(2) do + posts = Post.preload(:comments) + assert posts.first.comments.first + end + + # With IM we'll retrieve post object from previous query, it'll have comments + # already preloaded from first call + assert_queries(1) do + posts = Post.preload(:comments).to_a + assert posts.first.comments.first + end + + assert_queries(2) do + posts = Post.preload(:author) + assert posts.first.author + end + + # With IM we'll retrieve post object from previous query, it'll have comments + # already preloaded from first call + assert_queries(1) do + posts = Post.preload(:author).to_a + assert posts.first.author + end + + assert_queries(1) do + posts = Post.preload(:author, :comments).to_a + assert posts.first.author + assert posts.first.comments.first + end + end + + def test_find_with_included_associations + assert_queries(2) do + posts = Post.includes(:comments) + assert posts.first.comments.first + end + + assert_queries(1) do + posts = Post.scoped.includes(:comments) + assert posts.first.comments.first + end + + assert_queries(2) do + posts = Post.includes(:author) + assert posts.first.author + end + + assert_queries(1) do + posts = Post.includes(:author, :comments).to_a + assert posts.first.author + assert posts.first.comments.first + end + end + + def test_eager_loading_with_conditions_on_joined_table_preloads + posts = assert_queries(2) do + Post.find(:all, :select => 'distinct posts.*', :include => :author, :joins => [:comments], :conditions => "comments.body like 'Thank you%'", :order => 'posts.id') + end + assert_equal [posts(:welcome)], posts + assert_equal authors(:david), assert_no_queries { posts[0].author} + + posts = assert_queries(1) do + Post.find(:all, :select => 'distinct posts.*', :include => :author, :joins => [:comments], :conditions => "comments.body like 'Thank you%'", :order => 'posts.id') + end + assert_equal [posts(:welcome)], posts + assert_equal authors(:david), assert_no_queries { posts[0].author} + + posts = assert_queries(1) do + Post.find(:all, :include => :author, :joins => {:taggings => :tag}, :conditions => "tags.name = 'General'", :order => 'posts.id') + end + assert_equal posts(:welcome, :thinking), posts + + posts = assert_queries(2) do + Post.find(:all, :include => :author, :joins => {:taggings => {:tag => :taggings}}, :conditions => "taggings_tags.super_tag_id=2", :order => 'posts.id') + end + assert_equal posts(:welcome, :thinking), posts + end + + def test_eager_loading_with_conditions_on_string_joined_table_preloads + posts = assert_queries(2) do + Post.find(:all, :select => 'distinct posts.*', :include => :author, :joins => "INNER JOIN comments on comments.post_id = posts.id", :conditions => "comments.body like 'Thank you%'", :order => 'posts.id') + end + assert_equal [posts(:welcome)], posts + assert_equal authors(:david), assert_no_queries { posts[0].author} + + posts = assert_queries(1) do + Post.find(:all, :select => 'distinct posts.*', :include => :author, :joins => ["INNER JOIN comments on comments.post_id = posts.id"], :conditions => "comments.body like 'Thank you%'", :order => 'posts.id') + end + assert_equal [posts(:welcome)], posts + assert_equal authors(:david), assert_no_queries { posts[0].author} + end +end |