diff options
Diffstat (limited to 'activerecord/test/cases/named_scope_test.rb')
-rw-r--r-- | activerecord/test/cases/named_scope_test.rb | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/activerecord/test/cases/named_scope_test.rb b/activerecord/test/cases/named_scope_test.rb new file mode 100644 index 0000000000..3d2cf8ba93 --- /dev/null +++ b/activerecord/test/cases/named_scope_test.rb @@ -0,0 +1,116 @@ +require "cases/helper" +require 'models/post' +require 'models/topic' +require 'models/comment' +require 'models/reply' +require 'models/author' + +class NamedScopeTest < ActiveRecord::TestCase + fixtures :posts, :authors, :topics + + def test_implements_enumerable + assert !Topic.find(:all).empty? + + assert_equal Topic.find(:all), Topic.all + assert_equal Topic.find(:all), Topic.all.collect + assert_equal Topic.find(:first), Topic.all.first + assert_equal Topic.find(:all), Topic.all.each { |i| i } + end + + def test_found_items_are_cached + Topic.columns + all_posts = Topic.all + + assert_queries(1) do + all_posts.collect + all_posts.collect + end + end + + def test_reload_expires_cache_of_found_items + all_posts = Topic.all + all_posts.inspect + + new_post = Topic.create! + assert !all_posts.include?(new_post) + assert all_posts.reload.include?(new_post) + end + + def test_delegates_finds_and_calculations_to_the_base_class + assert !Topic.find(:all).empty? + + assert_equal Topic.find(:all), Topic.all.find(:all) + assert_equal Topic.find(:first), Topic.all.find(:first) + assert_equal Topic.count, Topic.all.count + assert_equal Topic.average(:replies_count), Topic.all.average(:replies_count) + end + + def test_subclasses_inherit_scopes + assert Topic.scopes.include?(:all) + + assert Reply.scopes.include?(:all) + assert_equal Reply.find(:all), Reply.all + end + + def test_scopes_with_options_limit_finds_to_those_matching_the_criteria_specified + assert !Topic.find(:all, :conditions => {:approved => true}).empty? + + assert_equal Topic.find(:all, :conditions => {:approved => true}), Topic.approved + assert_equal Topic.count(:conditions => {:approved => true}), Topic.approved.count + end + + def test_scopes_are_composable + assert_equal (approved = Topic.find(:all, :conditions => {:approved => true})), Topic.approved + assert_equal (replied = Topic.find(:all, :conditions => 'replies_count > 0')), Topic.replied + assert !(approved == replied) + assert !(approved & replied).empty? + + assert_equal approved & replied, Topic.approved.replied + end + + def test_procedural_scopes + topics_written_before_the_third = Topic.find(:all, :conditions => ['written_on < ?', topics(:third).written_on]) + topics_written_before_the_second = Topic.find(:all, :conditions => ['written_on < ?', topics(:second).written_on]) + assert_not_equal topics_written_before_the_second, topics_written_before_the_third + + assert_equal topics_written_before_the_third, Topic.written_before(topics(:third).written_on) + assert_equal topics_written_before_the_second, Topic.written_before(topics(:second).written_on) + end + + def test_extensions + assert_equal 1, Topic.anonymous_extension.one + assert_equal 2, Topic.named_extension.two + end + + def test_multiple_extensions + assert_equal 2, Topic.multiple_extensions.extension_two + assert_equal 1, Topic.multiple_extensions.extension_one + end + + def test_has_many_associations_have_access_to_named_scopes + assert_not_equal Post.containing_the_letter_a, authors(:david).posts + assert !Post.containing_the_letter_a.empty? + + assert_equal authors(:david).posts & Post.containing_the_letter_a, authors(:david).posts.containing_the_letter_a + end + + def test_has_many_through_associations_have_access_to_named_scopes + assert_not_equal Comment.containing_the_letter_e, authors(:david).posts + assert !Comment.containing_the_letter_e.empty? + + assert_equal authors(:david).comments & Comment.containing_the_letter_e, authors(:david).comments.containing_the_letter_e + end + + def test_active_records_have_scope_named__all__ + assert !Topic.find(:all).empty? + + assert_equal Topic.find(:all), Topic.all + end + + def test_active_records_have_scope_named__scoped__ + assert !Topic.find(:all, scope = {:conditions => "content LIKE '%Have%'"}).empty? + + assert_equal Topic.find(:all, scope), Topic.scoped(scope) + end + +end |