diff options
Diffstat (limited to 'activerecord/test/cases/calculations_test.rb')
-rw-r--r-- | activerecord/test/cases/calculations_test.rb | 119 |
1 files changed, 102 insertions, 17 deletions
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb index 3214d778d4..55b50e4f84 100644 --- a/activerecord/test/cases/calculations_test.rb +++ b/activerecord/test/cases/calculations_test.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + require "cases/helper" require "models/book" require "models/club" @@ -8,6 +10,7 @@ require "models/organization" require "models/possession" require "models/topic" require "models/reply" +require "models/numeric_data" require "models/minivan" require "models/speedometer" require "models/ship_part" @@ -17,14 +20,6 @@ require "models/post" require "models/comment" require "models/rating" -class NumericData < ActiveRecord::Base - self.table_name = "numeric_data" - - attribute :world_population, :integer - attribute :my_house_population, :integer - attribute :atoms_in_universe, :integer -end - class CalculationsTest < ActiveRecord::TestCase fixtures :companies, :accounts, :topics, :speedometers, :minivans, :books @@ -241,6 +236,34 @@ class CalculationsTest < ActiveRecord::TestCase end end + def test_distinct_count_with_order_and_limit + assert_equal 4, Account.distinct.order(:firm_id).limit(4).count + end + + def test_distinct_count_with_order_and_offset + assert_equal 4, Account.distinct.order(:firm_id).offset(2).count + end + + def test_distinct_count_with_order_and_limit_and_offset + assert_equal 4, Account.distinct.order(:firm_id).limit(4).offset(2).count + end + + def test_distinct_joins_count_with_order_and_limit + assert_equal 3, Account.joins(:firm).distinct.order(:firm_id).limit(3).count + end + + def test_distinct_joins_count_with_order_and_offset + assert_equal 3, Account.joins(:firm).distinct.order(:firm_id).offset(2).count + end + + def test_distinct_joins_count_with_order_and_limit_and_offset + assert_equal 3, Account.joins(:firm).distinct.order(:firm_id).limit(3).offset(2).count + end + + def test_distinct_count_with_group_by_and_order_and_limit + assert_equal({ 6 => 2 }, Account.group(:firm_id).distinct.order("1 DESC").limit(1).count) + end + def test_should_group_by_summed_field_having_condition c = Account.group(:firm_id).having("sum(credit_limit) > 50").sum(:credit_limit) assert_nil c[1] @@ -499,8 +522,7 @@ class CalculationsTest < ActiveRecord::TestCase end def test_should_sum_expression - # Oracle adapter returns floating point value 636.0 after SUM - if current_adapter?(:OracleAdapter) + if current_adapter?(:SQLite3Adapter, :Mysql2Adapter, :PostgreSQLAdapter, :OracleAdapter) assert_equal 636, Account.sum("2 * credit_limit") else assert_equal 636, Account.sum("2 * credit_limit").to_i @@ -587,8 +609,11 @@ class CalculationsTest < ActiveRecord::TestCase end def test_pluck_without_column_names - assert_equal [[1, "Firm", 1, nil, "37signals", nil, 1, nil, ""]], - Company.order(:id).limit(1).pluck + if current_adapter?(:OracleAdapter) + assert_equal [[1, "Firm", 1, nil, "37signals", nil, 1, nil, nil]], Company.order(:id).limit(1).pluck + else + assert_equal [[1, "Firm", 1, nil, "37signals", nil, 1, nil, ""]], Company.order(:id).limit(1).pluck + end end def test_pluck_type_cast @@ -638,14 +663,14 @@ class CalculationsTest < ActiveRecord::TestCase end def test_pluck_with_selection_clause - assert_equal [50, 53, 55, 60], Account.pluck("DISTINCT credit_limit").sort - assert_equal [50, 53, 55, 60], Account.pluck("DISTINCT accounts.credit_limit").sort - assert_equal [50, 53, 55, 60], Account.pluck("DISTINCT(credit_limit)").sort + assert_equal [50, 53, 55, 60], Account.pluck(Arel.sql("DISTINCT credit_limit")).sort + assert_equal [50, 53, 55, 60], Account.pluck(Arel.sql("DISTINCT accounts.credit_limit")).sort + assert_equal [50, 53, 55, 60], Account.pluck(Arel.sql("DISTINCT(credit_limit)")).sort # MySQL returns "SUM(DISTINCT(credit_limit))" as the column name unless # an alias is provided. Without the alias, the column cannot be found # and properly typecast. - assert_equal [50 + 53 + 55 + 60], Account.pluck("SUM(DISTINCT(credit_limit)) as credit_limit") + assert_equal [50 + 53 + 55 + 60], Account.pluck(Arel.sql("SUM(DISTINCT(credit_limit)) as credit_limit")) end def test_plucks_with_ids @@ -725,23 +750,29 @@ class CalculationsTest < ActiveRecord::TestCase end def test_pluck_loaded_relation + Company.attribute_names # Load schema information so we don't query below companies = Company.order(:id).limit(3).load + assert_no_queries do assert_equal ["37signals", "Summit", "Microsoft"], companies.pluck(:name) end end def test_pluck_loaded_relation_multiple_columns + Company.attribute_names # Load schema information so we don't query below companies = Company.order(:id).limit(3).load + assert_no_queries do assert_equal [[1, "37signals"], [2, "Summit"], [3, "Microsoft"]], companies.pluck(:id, :name) end end def test_pluck_loaded_relation_sql_fragment + Company.attribute_names # Load schema information so we don't query below companies = Company.order(:name).limit(3).load + assert_queries 1 do - assert_equal ["37signals", "Apex", "Ex Nihilo"], companies.pluck("DISTINCT name") + assert_equal ["37signals", "Apex", "Ex Nihilo"], companies.pluck(Arel.sql("DISTINCT name")) end end @@ -809,4 +840,58 @@ class CalculationsTest < ActiveRecord::TestCase def test_group_by_attribute_with_custom_type assert_equal({ "proposed" => 2, "published" => 2 }, Book.group(:status).count) end + + def test_deprecate_count_with_block_and_column_name + assert_deprecated do + assert_equal 6, Account.count(:firm_id) { true } + end + end + + def test_deprecate_sum_with_block_and_column_name + assert_deprecated do + assert_equal 6, Account.sum(:firm_id) { 1 } + end + end + + test "#skip_query_cache! for #pluck" do + Account.cache do + assert_queries(1) do + Account.pluck(:credit_limit) + Account.pluck(:credit_limit) + end + + assert_queries(2) do + Account.all.skip_query_cache!.pluck(:credit_limit) + Account.all.skip_query_cache!.pluck(:credit_limit) + end + end + end + + test "#skip_query_cache! for a simple calculation" do + Account.cache do + assert_queries(1) do + Account.calculate(:sum, :credit_limit) + Account.calculate(:sum, :credit_limit) + end + + assert_queries(2) do + Account.all.skip_query_cache!.calculate(:sum, :credit_limit) + Account.all.skip_query_cache!.calculate(:sum, :credit_limit) + end + end + end + + test "#skip_query_cache! for a grouped calculation" do + Account.cache do + assert_queries(1) do + Account.group(:firm_id).calculate(:sum, :credit_limit) + Account.group(:firm_id).calculate(:sum, :credit_limit) + end + + assert_queries(2) do + Account.all.skip_query_cache!.group(:firm_id).calculate(:sum, :credit_limit) + Account.all.skip_query_cache!.group(:firm_id).calculate(:sum, :credit_limit) + end + end + end end |