diff options
Diffstat (limited to 'activerecord/test/cases/relations_test.rb')
-rw-r--r-- | activerecord/test/cases/relations_test.rb | 127 |
1 files changed, 97 insertions, 30 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index baa3acf3fb..e390d37871 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -65,7 +65,7 @@ class RelationTest < ActiveRecord::TestCase def test_scoped topics = Topic.all assert_kind_of ActiveRecord::Relation, topics - assert_equal 4, topics.size + assert_equal 5, topics.size end def test_to_json @@ -86,14 +86,14 @@ class RelationTest < ActiveRecord::TestCase def test_scoped_all topics = Topic.all.to_a assert_kind_of Array, topics - assert_no_queries { assert_equal 4, topics.size } + assert_no_queries { assert_equal 5, topics.size } end def test_loaded_all topics = Topic.all assert_queries(1) do - 2.times { assert_equal 4, topics.to_a.size } + 2.times { assert_equal 5, topics.to_a.size } end assert topics.loaded? @@ -151,6 +151,11 @@ class RelationTest < ActiveRecord::TestCase assert_equal relation.to_a, Comment.select('a.*').from(relation, :a).to_a end + def test_finding_with_subquery_without_select + relation = Topic.where(:approved => true) + assert_equal relation.to_a, Topic.from(relation).to_a + end + def test_finding_with_conditions assert_equal ["David"], Author.where(:name => 'David').map(&:name) assert_equal ['Mary'], Author.where(["name = ?", 'Mary']).map(&:name) @@ -159,27 +164,27 @@ class RelationTest < ActiveRecord::TestCase def test_finding_with_order topics = Topic.order('id') - assert_equal 4, topics.to_a.size + assert_equal 5, topics.to_a.size assert_equal topics(:first).title, topics.first.title end def test_finding_with_arel_order topics = Topic.order(Topic.arel_table[:id].asc) - assert_equal 4, topics.to_a.size + assert_equal 5, topics.to_a.size assert_equal topics(:first).title, topics.first.title end def test_finding_with_assoc_order topics = Topic.order(:id => :desc) - assert_equal 4, topics.to_a.size - assert_equal topics(:fourth).title, topics.first.title + assert_equal 5, topics.to_a.size + assert_equal topics(:fifth).title, topics.first.title end def test_finding_with_reverted_assoc_order topics = Topic.order(:id => :asc).reverse_order - assert_equal 4, topics.to_a.size - assert_equal topics(:fourth).title, topics.first.title + assert_equal 5, topics.to_a.size + assert_equal topics(:fifth).title, topics.first.title end def test_order_with_hash_and_symbol_generates_the_same_sql @@ -192,19 +197,43 @@ class RelationTest < ActiveRecord::TestCase def test_finding_last_with_arel_order topics = Topic.order(Topic.arel_table[:id].asc) - assert_equal topics(:fourth).title, topics.last.title + assert_equal topics(:fifth).title, topics.last.title end def test_finding_with_order_concatenated topics = Topic.order('author_name').order('title') - assert_equal 4, topics.to_a.size + assert_equal 5, topics.to_a.size assert_equal topics(:fourth).title, topics.first.title end + def test_finding_with_order_by_aliased_attributes + topics = Topic.order(:heading) + assert_equal 5, topics.to_a.size + assert_equal topics(:fifth).title, topics.first.title + end + + def test_finding_with_assoc_order_by_aliased_attributes + topics = Topic.order(heading: :desc) + assert_equal 5, topics.to_a.size + assert_equal topics(:third).title, topics.first.title + end + def test_finding_with_reorder topics = Topic.order('author_name').order('title').reorder('id').to_a topics_titles = topics.map{ |t| t.title } - assert_equal ['The First Topic', 'The Second Topic of the day', 'The Third Topic of the day', 'The Fourth Topic of the day'], topics_titles + assert_equal ['The First Topic', 'The Second Topic of the day', 'The Third Topic of the day', 'The Fourth Topic of the day', 'The Fifth Topic of the day'], topics_titles + end + + def test_finding_with_reorder_by_aliased_attributes + topics = Topic.order('author_name').reorder(:heading) + assert_equal 5, topics.to_a.size + assert_equal topics(:fifth).title, topics.first.title + end + + def test_finding_with_assoc_reorder_by_aliased_attributes + topics = Topic.order('author_name').reorder(heading: :desc) + assert_equal 5, topics.to_a.size + assert_equal topics(:third).title, topics.first.title end def test_finding_with_order_and_take @@ -295,7 +324,7 @@ class RelationTest < ActiveRecord::TestCase def test_null_relation_calculations_methods assert_no_queries do assert_equal 0, Developer.none.count - assert_equal 0, Developer.none.calculate(:count, nil) + assert_equal 0, Developer.none.calculate(:count, nil, {}) assert_equal nil, Developer.none.calculate(:average, 'salary') end end @@ -770,6 +799,13 @@ class RelationTest < ActiveRecord::TestCase assert_equal david.salary, developer.salary end + def test_select_takes_an_aliased_attribute + first = topics(:first) + + topic = Topic.where(id: first.id).select(:heading).first + assert_equal first.heading, topic.heading + end + def test_select_argument_error assert_raises(ArgumentError) { Developer.select } end @@ -1500,32 +1536,63 @@ class RelationTest < ActiveRecord::TestCase end end + test "joins with select" do + posts = Post.joins(:author).select("id", "authors.author_address_id").order("posts.id").limit(3) + assert_equal [1, 2, 4], posts.map(&:id) + assert_equal [1, 1, 1], posts.map(&:author_address_id) + end + test "delegations do not leak to other classes" do Topic.all.by_lifo assert Topic.all.class.method_defined?(:by_lifo) assert !Post.all.respond_to?(:by_lifo) end - class OMGTopic < ActiveRecord::Base - self.table_name = 'topics' + def test_unscope_removes_binds + left = Post.where(id: Arel::Nodes::BindParam.new('?')) + column = Post.columns_hash['id'] + left.bind_values += [[column, 20]] - def self.__omg__ - "omgtopic" - end + relation = left.unscope(where: :id) + assert_equal [], relation.bind_values end - test "delegations do not clash across classes" do - begin - class ::Array - def __omg__ - "array" - end - end + def test_merging_removes_rhs_bind_parameters + left = Post.where(id: Arel::Nodes::BindParam.new('?')) + column = Post.columns_hash['id'] + left.bind_values += [[column, 20]] + right = Post.where(id: 10) - assert_equal "array", Topic.all.__omg__ - assert_equal "omgtopic", OMGTopic.all.__omg__ - ensure - Array.send(:remove_method, :__omg__) - end + merged = left.merge(right) + assert_equal [], merged.bind_values + end + + def test_merging_keeps_lhs_bind_parameters + column = Post.columns_hash['id'] + binds = [[column, 20]] + + right = Post.where(id: Arel::Nodes::BindParam.new('?')) + right.bind_values += binds + left = Post.where(id: 10) + + merged = left.merge(right) + assert_equal binds, merged.bind_values + end + + def test_merging_reorders_bind_params + post = Post.first + id_column = Post.columns_hash['id'] + title_column = Post.columns_hash['title'] + + bv = Post.connection.substitute_at id_column, 0 + + right = Post.where(id: bv) + right.bind_values += [[id_column, post.id]] + + left = Post.where(title: bv) + left.bind_values += [[title_column, post.title]] + + merged = left.merge(right) + assert_equal post, merged.first end end |