class AssociationsTest
Public Instance Methods
test_association_with_references()
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# File activerecord/test/cases/associations_test.rb, line 109 def test_association_with_references firm = companies(:first_firm) assert_includes firm.association_with_references.references_values, "foo" end
test_bad_collection_keys()
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# File activerecord/test/cases/associations_test.rb, line 66 def test_bad_collection_keys assert_raise(ArgumentError, "ActiveRecord should have barked on bad collection keys") do Class.new(ActiveRecord::Base).has_many(:wheels, name: "wheels") end end
test_eager_loading_should_not_change_count_of_children()
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# File activerecord/test/cases/associations_test.rb, line 29 def test_eager_loading_should_not_change_count_of_children liquid = Liquid.create(name: "salty") molecule = liquid.molecules.create(name: "molecule_1") molecule.electrons.create(name: "electron_1") molecule.electrons.create(name: "electron_2") liquids = Liquid.includes(molecules: :electrons).references(:molecules).where("molecules.id is not null") assert_equal 1, liquids[0].molecules.length end
test_force_reload()
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# File activerecord/test/cases/associations_test.rb, line 80 def test_force_reload firm = Firm.new("name" => "A New Firm, Inc") firm.save 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" client = Client.new("name" => "TheClient.com", "firm_id" => firm.id) client.save assert firm.clients.empty?, "New firm should have cached no client objects" assert_equal 0, firm.clients.size, "New firm should have cached 0 clients count" firm.clients.reload assert !firm.clients.empty?, "New firm should have reloaded client objects" assert_equal 1, firm.clients.size, "New firm should have reloaded clients count" end
test_include_with_order_works()
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# File activerecord/test/cases/associations_test.rb, line 61 def test_include_with_order_works assert_nothing_raised { Account.all.merge!(order: "id", includes: :firm).first } assert_nothing_raised { Account.all.merge!(order: :id, includes: :firm).first } end
test_loading_the_association_target_should_keep_child_records_marked_for_destruction()
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# File activerecord/test/cases/associations_test.rb, line 46 def test_loading_the_association_target_should_keep_child_records_marked_for_destruction ship = Ship.create!(name: "The good ship Dollypop") part = ship.parts.create!(name: "Mast") part.mark_for_destruction assert ship.parts[0].marked_for_destruction? end
test_loading_the_association_target_should_load_most_recent_attributes_for_child_records_marked_for_destruction()
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# File activerecord/test/cases/associations_test.rb, line 53 def test_loading_the_association_target_should_load_most_recent_attributes_for_child_records_marked_for_destruction ship = Ship.create!(name: "The good ship Dollypop") part = ship.parts.create!(name: "Mast") part.mark_for_destruction ShipPart.find(part.id).update_columns(name: "Deck") assert_equal "Deck", ship.parts[0].name end
test_should_construct_new_finder_sql_after_create()
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# File activerecord/test/cases/associations_test.rb, line 72 def test_should_construct_new_finder_sql_after_create person = Person.new first_name: "clark" assert_equal [], person.readers.to_a person.save! reader = Reader.create! person: person, post: Post.new(title: "foo", body: "bar") assert person.readers.find(reader.id) end
test_subselect()
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# File activerecord/test/cases/associations_test.rb, line 39 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
test_using_limitable_reflections_helper()
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# File activerecord/test/cases/associations_test.rb, line 99 def test_using_limitable_reflections_helper using_limitable_reflections = lambda { |reflections| Tagging.all.send :using_limitable_reflections?, reflections } belongs_to_reflections = [Tagging.reflect_on_association(:tag), Tagging.reflect_on_association(:super_tag)] has_many_reflections = [Tag.reflect_on_association(:taggings), Developer.reflect_on_association(:projects)] mixed_reflections = (belongs_to_reflections + has_many_reflections).uniq assert using_limitable_reflections.call(belongs_to_reflections), "Belong to associations are limitable" assert !using_limitable_reflections.call(has_many_reflections), "All has many style associations are not limitable" assert !using_limitable_reflections.call(mixed_reflections), "No collection associations (has many style) should pass" end