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-rw-r--r--activerecord/test/cases/calculations_test.rb125
1 files changed, 108 insertions, 17 deletions
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb
index 3214d778d4..5eda39a0c7 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 +236,40 @@ class CalculationsTest < ActiveRecord::TestCase
end
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) }
+ assert_queries(1) { assert_equal 3, accounts.load.size }
+ 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 +528,7 @@ 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 +615,11 @@ 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 +669,14 @@ 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 +756,29 @@ 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 +846,58 @@ 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