diff options
Diffstat (limited to 'activerecord/test/cases/relation_test.rb')
| -rw-r--r-- | activerecord/test/cases/relation_test.rb | 161 |
1 files changed, 51 insertions, 110 deletions
diff --git a/activerecord/test/cases/relation_test.rb b/activerecord/test/cases/relation_test.rb index 9ca980fdf6..15611656fd 100644 --- a/activerecord/test/cases/relation_test.rb +++ b/activerecord/test/cases/relation_test.rb @@ -1,19 +1,25 @@ require "cases/helper" require 'models/post' require 'models/comment' +require 'models/author' +require 'models/rating' module ActiveRecord class RelationTest < ActiveRecord::TestCase - fixtures :posts, :comments + fixtures :posts, :comments, :authors class FakeKlass < Struct.new(:table_name, :name) + extend ActiveRecord::Delegation::DelegateCache + + inherited self + + def self.connection + Post.connection + end end def test_construction - relation = nil - assert_nothing_raised do - relation = Relation.new FakeKlass, :b - end + relation = Relation.new FakeKlass, :b assert_equal FakeKlass, relation.klass assert_equal :b, relation.table assert !relation.loaded, 'relation is not loaded' @@ -74,8 +80,8 @@ module ActiveRecord end def test_table_name_delegates_to_klass - relation = Relation.new FakeKlass.new('foo'), :b - assert_equal 'foo', relation.table_name + relation = Relation.new FakeKlass.new('posts'), :b + assert_equal 'posts', relation.table_name end def test_scope_for_create @@ -109,6 +115,12 @@ module ActiveRecord assert_equal({}, relation.scope_for_create) end + def test_bad_constants_raise_errors + assert_raises(NameError) do + ActiveRecord::Relation::HelloWorld + end + end + def test_empty_eager_loading? relation = Relation.new FakeKlass, :b assert !relation.eager_loading? @@ -169,126 +181,55 @@ module ActiveRecord end test 'merging a hash interpolates conditions' do - klass = stub_everything - klass.stubs(:sanitize_sql).with(['foo = ?', 'bar']).returns('foo = bar') + klass = Class.new(FakeKlass) do + def self.sanitize_sql(args) + raise unless args == ['foo = ?', 'bar'] + 'foo = bar' + end + end relation = Relation.new(klass, :b) relation.merge!(where: ['foo = ?', 'bar']) assert_equal ['foo = bar'], relation.where_values end - end - - class RelationMutationTest < ActiveSupport::TestCase - class FakeKlass < Struct.new(:table_name, :name) - def quoted_table_name - %{"#{table_name}"} - end - end - - def relation - @relation ||= Relation.new FakeKlass.new('posts'), :b - end - - (Relation::MULTI_VALUE_METHODS - [:references, :extending, :order]).each do |method| - test "##{method}!" do - assert relation.public_send("#{method}!", :foo).equal?(relation) - assert_equal [:foo], relation.public_send("#{method}_values") - end - end - - test "#order!" do - assert relation.order!('name ASC').equal?(relation) - assert_equal ['name ASC'], relation.order_values - end - - test "#order! with symbol prepends the table name" do - assert relation.order!(:name).equal?(relation) - assert_equal ['"posts".name ASC'], relation.order_values - end - - test '#references!' do - assert relation.references!(:foo).equal?(relation) - assert relation.references_values.include?('foo') - end - - test 'extending!' do - mod, mod2 = Module.new, Module.new - - assert relation.extending!(mod).equal?(relation) - assert_equal [mod], relation.extending_values - assert relation.is_a?(mod) - - relation.extending!(mod2) - assert_equal [mod, mod2], relation.extending_values - end - - test 'extending! with empty args' do - relation.extending! - assert_equal [], relation.extending_values - end - - (Relation::SINGLE_VALUE_METHODS - [:from, :lock, :reordering, :reverse_order, :create_with]).each do |method| - test "##{method}!" do - assert relation.public_send("#{method}!", :foo).equal?(relation) - assert_equal :foo, relation.public_send("#{method}_value") - end - end - - test '#from!' do - assert relation.from!('foo').equal?(relation) - assert_equal ['foo', nil], relation.from_value - end - - test '#lock!' do - assert relation.lock!('foo').equal?(relation) - assert_equal 'foo', relation.lock_value - end - - test '#reorder!' do - relation = self.relation.order('foo') - assert relation.reorder!('bar').equal?(relation) - assert_equal ['bar'], relation.order_values - assert relation.reordering_value + def test_merging_readonly_false + relation = Relation.new FakeKlass, :b + readonly_false_relation = relation.readonly(false) + # test merging in both directions + assert_equal false, relation.merge(readonly_false_relation).readonly_value + assert_equal false, readonly_false_relation.merge(relation).readonly_value end - test 'reverse_order!' do - assert relation.reverse_order!.equal?(relation) - assert relation.reverse_order_value - relation.reverse_order! - assert !relation.reverse_order_value + def test_relation_merging_with_merged_joins_as_symbols + special_comments_with_ratings = SpecialComment.joins(:ratings) + posts_with_special_comments_with_ratings = Post.group("posts.id").joins(:special_comments).merge(special_comments_with_ratings) + assert_equal 3, authors(:david).posts.merge(posts_with_special_comments_with_ratings).count.length end - test 'create_with!' do - assert relation.create_with!(foo: 'bar').equal?(relation) - assert_equal({foo: 'bar'}, relation.create_with_value) - end + def test_relation_merging_with_joins_as_join_dependency_pick_proper_parent + post = Post.create!(title: "haha", body: "huhu") + comment = post.comments.create!(body: "hu") + 3.times { comment.ratings.create! } - test 'merge!' do - assert relation.merge!(where: :foo).equal?(relation) - assert_equal [:foo], relation.where_values - end + relation = Post.joins(:comments).merge Comment.joins(:ratings) - test 'merge with a proc' do - assert_equal [:foo], relation.merge(-> { where(:foo) }).where_values + assert_equal 3, relation.where(id: post.id).pluck(:id).size end - test 'none!' do - assert relation.none!.equal?(relation) - assert_equal [NullRelation], relation.extending_values - assert relation.is_a?(NullRelation) - end + def test_respond_to_for_non_selected_element + post = Post.select(:title).first + assert_equal false, post.respond_to?(:body), "post should not respond_to?(:body) since invoking it raises exception" - test "distinct!" do - relation.distinct! :foo - assert_equal :foo, relation.distinct_value - assert_equal :foo, relation.uniq_value # deprecated access + silence_warnings { post = Post.select("'title' as post_title").first } + assert_equal false, post.respond_to?(:title), "post should not respond_to?(:body) since invoking it raises exception" end - test "uniq! was replaced by distinct!" do - relation.uniq! :foo - assert_equal :foo, relation.distinct_value - assert_equal :foo, relation.uniq_value # deprecated access + def test_relation_merging_with_merged_joins_as_strings + join_string = "LEFT OUTER JOIN #{Rating.quoted_table_name} ON #{SpecialComment.quoted_table_name}.id = #{Rating.quoted_table_name}.comment_id" + special_comments_with_ratings = SpecialComment.joins join_string + posts_with_special_comments_with_ratings = Post.group("posts.id").joins(:special_comments).merge(special_comments_with_ratings) + assert_equal 3, authors(:david).posts.merge(posts_with_special_comments_with_ratings).count.length end end end |