diff options
Diffstat (limited to 'activerecord/test/cases/relations_test.rb')
-rw-r--r-- | activerecord/test/cases/relations_test.rb | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index 0bd48913e1..b91423351e 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -656,6 +656,14 @@ class RelationTest < ActiveRecord::TestCase assert_raises(ActiveRecord::ActiveRecordError) { Author.limit(10).delete_all } end + def test_select_takes_a_variable_list_of_args + david = developers(:david) + + developer = Developer.where(id: david.id).select(:name, :salary).first + assert_equal david.name, developer.name + assert_equal david.salary, developer.salary + end + def test_select_argument_error assert_raises(ArgumentError) { Developer.select } end @@ -668,6 +676,25 @@ class RelationTest < ActiveRecord::TestCase assert_equal [developers(:poor_jamis)], dev_with_count.to_a end + def test_relation_merging_with_arel_equalities_keeps_last_equality + devs = Developer.where(Developer.arel_table[:salary].eq(80000)).merge( + Developer.where(Developer.arel_table[:salary].eq(9000)) + ) + assert_equal [developers(:poor_jamis)], devs.to_a + end + + def test_relation_merging_with_arel_equalities_keeps_last_equality_with_non_attribute_left_hand + salary_attr = Developer.arel_table[:salary] + devs = Developer.where( + Arel::Nodes::NamedFunction.new('abs', [salary_attr]).eq(80000) + ).merge( + Developer.where( + Arel::Nodes::NamedFunction.new('abs', [salary_attr]).eq(9000) + ) + ) + assert_equal [developers(:poor_jamis)], devs.to_a + end + def test_relation_merging_with_eager_load relations = [] relations << Post.order('comments.id DESC').merge(Post.eager_load(:last_comment)).merge(Post.all) @@ -1122,6 +1149,10 @@ class RelationTest < ActiveRecord::TestCase assert_equal authors(:david), Author.order('id DESC , name DESC').last end + def test_update_all_with_blank_argument + assert_raises(ArgumentError) { Comment.update_all({}) } + end + def test_update_all_with_joins comments = Comment.joins(:post).where('posts.id' => posts(:welcome).id) count = comments.count |