diff options
Diffstat (limited to 'spec/arel')
| -rw-r--r-- | spec/arel/unit/primitives/attribute_spec.rb | 29 | ||||
| -rw-r--r-- | spec/arel/unit/relations/join_spec.rb | 17 |
2 files changed, 46 insertions, 0 deletions
diff --git a/spec/arel/unit/primitives/attribute_spec.rb b/spec/arel/unit/primitives/attribute_spec.rb index 561c47da16..b253892b58 100644 --- a/spec/arel/unit/primitives/attribute_spec.rb +++ b/spec/arel/unit/primitives/attribute_spec.rb @@ -57,6 +57,35 @@ module Arel end end + describe '/' do + before do + @aliased_relation = @relation.alias + @doubly_aliased_relation = @aliased_relation.alias.alias.alias.alias + end + + describe 'when dividing two identical attributes' do + it "returns 1.0" do + (@relation[:id] / @relation[:id]).should == 1.0 + (@aliased_relation[:id] / @aliased_relation[:id]).should == 1.0 + end + end + + describe 'when dividing two unrelated attributes' do + it "returns 0.0" do + (@relation[:id] / @relation[:name]).should == 0.0 + end + end + + describe 'when dividing two similar attributes' do + it 'returns a the highest score for the most similar attributes' do + (@aliased_relation[:id] / @relation[:id]) \ + .should == (@aliased_relation[:id] / @relation[:id]) + (@aliased_relation[:id] / @relation[:id]) \ + .should < (@aliased_relation[:id] / @aliased_relation[:id]) + end + end + end + describe 'hashing' do it "implements hash equality" do Attribute.new(@relation, 'name').should hash_the_same_as(Attribute.new(@relation, 'name')) diff --git a/spec/arel/unit/relations/join_spec.rb b/spec/arel/unit/relations/join_spec.rb index d517da8c1f..a538c8af68 100644 --- a/spec/arel/unit/relations/join_spec.rb +++ b/spec/arel/unit/relations/join_spec.rb @@ -203,6 +203,23 @@ module Arel end end end + + describe 'something really really complex' do + it '' do + users = @relation1 + photos = @relation2 + users_2 = users.alias + photos_2 = photos.alias + r = users \ + .join(photos) \ + .on(photos[:user_id].eq users[:id]) \ + .join(users_2) \ + .on(users_2[:id].eq photos[:user_id]) \ + .join(photos_2) \ + .on(users_2[:id].eq photos_2[:user_id]) + r.relation_for(photos[:user_id]).should == photos + end + end describe '[]' do describe 'when given an attribute belonging to both sub-relations' do |