diff options
Diffstat (limited to 'activerecord/test/cases/associations_test.rb')
-rw-r--r-- | activerecord/test/cases/associations_test.rb | 81 |
1 files changed, 73 insertions, 8 deletions
diff --git a/activerecord/test/cases/associations_test.rb b/activerecord/test/cases/associations_test.rb index d7f25f760e..72963fd56c 100644 --- a/activerecord/test/cases/associations_test.rb +++ b/activerecord/test/cases/associations_test.rb @@ -1,6 +1,7 @@ require "cases/helper" require 'models/computer' require 'models/developer' +require 'models/computer' require 'models/project' require 'models/company' require 'models/categorization' @@ -18,10 +19,12 @@ require 'models/ship' require 'models/liquid' require 'models/molecule' require 'models/electron' +require 'models/man' +require 'models/interest' class AssociationsTest < ActiveRecord::TestCase fixtures :accounts, :companies, :developers, :projects, :developers_projects, - :computers, :people, :readers + :computers, :people, :readers, :authors, :author_favorites def test_eager_loading_should_not_change_count_of_children liquid = Liquid.create(:name => 'salty') @@ -33,12 +36,19 @@ class AssociationsTest < ActiveRecord::TestCase assert_equal 1, liquids[0].molecules.length end + def test_subselect + author = authors :david + favs = author.author_favorites + fav2 = author.author_favorites.where(:author => Author.where(id: author.id)).to_a + assert_equal favs, fav2 + end + def test_clear_association_cache_stored firm = Firm.find(1) assert_kind_of Firm, firm firm.clear_association_cache - assert_equal Firm.find(1).clients.collect{ |x| x.name }.sort, firm.clients.collect{ |x| x.name }.sort + assert_equal Firm.find(1).clients.collect(&:name).sort, firm.clients.collect(&:name).sort end def test_clear_association_cache_new_record @@ -95,7 +105,7 @@ class AssociationsTest < ActiveRecord::TestCase def test_force_reload firm = Firm.new("name" => "A New Firm, Inc") firm.save - firm.clients.each {|c|} # forcing to load all clients + firm.clients.each {} # forcing to load all clients assert firm.clients.empty?, "New firm shouldn't have client objects" assert_equal 0, firm.clients.size, "New firm should have 0 clients" @@ -172,6 +182,18 @@ class AssociationProxyTest < ActiveRecord::TestCase assert_equal 1, josh.posts.size end + def test_append_behaves_like_push + josh = Author.new(:name => "Josh") + josh.posts.append Post.new(:title => "New on Edge", :body => "More cool stuff!") + assert josh.posts.loaded? + assert_equal 1, josh.posts.size + end + + def test_prepend_is_not_defined + josh = Author.new(:name => "Josh") + assert_raises(NoMethodError) { josh.posts.prepend Post.new } + end + def test_save_on_parent_does_not_load_target david = developers(:david) @@ -203,7 +225,7 @@ class AssociationProxyTest < ActiveRecord::TestCase assert_equal post.body, "More cool stuff!" end - def test_reload_returns_assocition + def test_reload_returns_association david = developers(:david) assert_nothing_raised do assert_equal david.projects, david.projects.reload.reload @@ -225,10 +247,39 @@ class AssociationProxyTest < ActiveRecord::TestCase assert david.projects.scope.is_a?(ActiveRecord::Relation) assert_equal david.projects, david.projects.scope end + + test "proxy object is cached" do + david = developers(:david) + assert david.projects.equal?(david.projects) + end + + test "inverses get set of subsets of the association" do + man = Man.create + man.interests.create + + man = Man.find(man.id) + + assert_queries(1) do + assert_equal man, man.interests.where("1=1").first.man + end + end + + test "first! works on loaded associations" do + david = authors(:david) + assert_equal david.posts.first, david.posts.reload.first! + end + + def test_reset_unloads_target + david = authors(:david) + david.posts.reload + + assert david.posts.loaded? + david.posts.reset + assert !david.posts.loaded? + end end class OverridingAssociationsTest < ActiveRecord::TestCase - class Person < ActiveRecord::Base; end class DifferentPerson < ActiveRecord::Base; end class PeopleList < ActiveRecord::Base @@ -249,7 +300,7 @@ class OverridingAssociationsTest < ActiveRecord::TestCase def test_habtm_association_redefinition_callbacks_should_differ_and_not_inherited # redeclared association on AR descendant should not inherit callbacks from superclass callbacks = PeopleList.before_add_for_has_and_belongs_to_many - assert_equal([:enlist], callbacks) + assert_equal(1, callbacks.length) callbacks = DifferentPeopleList.before_add_for_has_and_belongs_to_many assert_equal([], callbacks) end @@ -257,7 +308,7 @@ class OverridingAssociationsTest < ActiveRecord::TestCase def test_has_many_association_redefinition_callbacks_should_differ_and_not_inherited # redeclared association on AR descendant should not inherit callbacks from superclass callbacks = PeopleList.before_add_for_has_many - assert_equal([:enlist], callbacks) + assert_equal(1, callbacks.length) callbacks = DifferentPeopleList.before_add_for_has_many assert_equal([], callbacks) end @@ -291,7 +342,7 @@ class OverridingAssociationsTest < ActiveRecord::TestCase end def test_requires_symbol_argument - assert_raises ArgumentError do + assert_raises ArgumentError do Class.new(Post) do belongs_to "author" end @@ -312,4 +363,18 @@ class GeneratedMethodsTest < ActiveRecord::TestCase def test_model_method_overrides_association_method assert_equal(comments(:greetings).body, posts(:welcome).first_comment) end + + module MyModule + def comments; :none end + end + + class MyArticle < ActiveRecord::Base + self.table_name = "articles" + include MyModule + has_many :comments, inverse_of: false + end + + def test_included_module_overwrites_association_methods + assert_equal :none, MyArticle.new.comments + end end |