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-rw-r--r--activerecord/test/cases/calculations_test.rb23
1 files changed, 23 insertions, 0 deletions
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb
index 82b15e565b..080d2a54bc 100644
--- a/activerecord/test/cases/calculations_test.rb
+++ b/activerecord/test/cases/calculations_test.rb
@@ -242,6 +242,12 @@ class CalculationsTest < ActiveRecord::TestCase
assert_queries(1) { assert_equal 11, posts.count(:all) }
end
+ def test_count_with_eager_loading_and_custom_order_and_distinct
+ posts = Post.includes(:comments).order("comments.id").distinct
+ assert_queries(1) { assert_equal 11, posts.count }
+ assert_queries(1) { assert_equal 11, posts.count(:all) }
+ end
+
def test_distinct_count_all_with_custom_select_and_order
accounts = Account.distinct.select("credit_limit % 10").order(Arel.sql("credit_limit % 10"))
assert_queries(1) { assert_equal 3, accounts.count(:all) }
@@ -793,6 +799,23 @@ class CalculationsTest < ActiveRecord::TestCase
end
end
+ def test_pick_one
+ assert_equal "The First Topic", Topic.order(:id).pick(:heading)
+ assert_nil Topic.none.pick(:heading)
+ assert_nil Topic.where("1=0").pick(:heading)
+ end
+
+ def test_pick_two
+ assert_equal ["David", "david@loudthinking.com"], Topic.order(:id).pick(:author_name, :author_email_address)
+ assert_nil Topic.none.pick(:author_name, :author_email_address)
+ assert_nil Topic.where("1=0").pick(:author_name, :author_email_address)
+ end
+
+ def test_pick_delegate_to_all
+ cool_first = minivans(:cool_first)
+ assert_equal cool_first.color, Minivan.pick(:color)
+ end
+
def test_grouped_calculation_with_polymorphic_relation
part = ShipPart.create!(name: "has trinket")
part.trinkets.create!