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-rw-r--r--activerecord/test/cases/calculations_test.rb372
1 files changed, 244 insertions, 128 deletions
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb
index 8f2682c781..e682da6fed 100644
--- a/activerecord/test/cases/calculations_test.rb
+++ b/activerecord/test/cases/calculations_test.rb
@@ -1,31 +1,27 @@
+# frozen_string_literal: true
+
require "cases/helper"
-require 'models/club'
-require 'models/company'
+require "models/book"
+require "models/club"
+require "models/company"
require "models/contract"
-require 'models/edge'
-require 'models/organization'
-require 'models/possession'
-require 'models/topic'
-require 'models/reply'
-require 'models/minivan'
-require 'models/speedometer'
-require 'models/ship_part'
-require 'models/treasure'
-require 'models/developer'
-require 'models/comment'
-require 'models/rating'
-require 'models/post'
-
-class NumericData < ActiveRecord::Base
- self.table_name = 'numeric_data'
-
- attribute :world_population, :integer
- attribute :my_house_population, :integer
- attribute :atoms_in_universe, :integer
-end
+require "models/edge"
+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"
+require "models/treasure"
+require "models/developer"
+require "models/post"
+require "models/comment"
+require "models/rating"
class CalculationsTest < ActiveRecord::TestCase
- fixtures :companies, :accounts, :topics, :speedometers, :minivans
+ fixtures :companies, :accounts, :topics, :speedometers, :minivans, :books
def test_should_sum_field
assert_equal 318, Account.sum(:credit_limit)
@@ -56,7 +52,7 @@ class CalculationsTest < ActiveRecord::TestCase
def test_should_return_integer_average_if_db_returns_such
ShipPart.delete_all
- ShipPart.create!(:id => 3, :name => 'foo')
+ ShipPart.create!(id: 3, name: "foo")
value = ShipPart.average(:id)
assert_equal 3, value
end
@@ -91,25 +87,25 @@ class CalculationsTest < ActiveRecord::TestCase
def test_should_group_by_field
c = Account.group(:firm_id).sum(:credit_limit)
- [1,6,2].each do |firm_id|
- assert c.keys.include?(firm_id), "Group #{c.inspect} does not contain firm_id #{firm_id}"
+ [1, 6, 2].each do |firm_id|
+ assert_includes c.keys, firm_id, "Group #{c.inspect} does not contain firm_id #{firm_id}"
end
end
def test_should_group_by_arel_attribute
c = Account.group(Account.arel_table[:firm_id]).sum(:credit_limit)
- [1,6,2].each do |firm_id|
- assert c.keys.include?(firm_id), "Group #{c.inspect} does not contain firm_id #{firm_id}"
+ [1, 6, 2].each do |firm_id|
+ assert_includes c.keys, firm_id, "Group #{c.inspect} does not contain firm_id #{firm_id}"
end
end
def test_should_group_by_multiple_fields
- c = Account.group('firm_id', :credit_limit).count(:all)
- [ [nil, 50], [1, 50], [6, 50], [6, 55], [9, 53], [2, 60] ].each { |firm_and_limit| assert c.keys.include?(firm_and_limit) }
+ c = Account.group("firm_id", :credit_limit).count(:all)
+ [ [nil, 50], [1, 50], [6, 50], [6, 55], [9, 53], [2, 60] ].each { |firm_and_limit| assert_includes c.keys, firm_and_limit }
end
def test_should_group_by_multiple_fields_having_functions
- c = Topic.group(:author_name, 'COALESCE(type, title)').count(:all)
+ c = Topic.group(:author_name, "COALESCE(type, title)").count(:all)
assert_equal 1, c[["Carl", "The Third Topic of the day"]]
assert_equal 1, c[["Mary", "Reply"]]
assert_equal 1, c[["David", "The First Topic"]]
@@ -165,14 +161,14 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_limit_should_apply_before_count
- accounts = Account.limit(3).where('firm_id IS NOT NULL')
+ accounts = Account.limit(4)
assert_equal 3, accounts.count(:firm_id)
assert_equal 3, accounts.select(:firm_id).count
end
def test_limit_should_apply_before_count_arel_attribute
- accounts = Account.limit(3).where('firm_id IS NOT NULL')
+ accounts = Account.limit(4)
firm_id_attribute = Account.arel_table[:firm_id]
assert_equal 3, accounts.count(firm_id_attribute)
@@ -226,15 +222,64 @@ class CalculationsTest < ActiveRecord::TestCase
assert_match "credit_limit, firm_name", e.message
end
+ def test_apply_distinct_in_count
+ queries = assert_sql do
+ Account.distinct.count
+ Account.group(:firm_id).distinct.count
+ end
+
+ queries.each do |query|
+ # `table_alias_length` in `column_alias_for` would execute
+ # "SHOW max_identifier_length" statement in PostgreSQL adapter.
+ next if query == "SHOW max_identifier_length"
+ assert_match %r{\ASELECT(?! DISTINCT) COUNT\(DISTINCT\b}, query
+ 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)
+ c = Account.group(:firm_id).having("sum(credit_limit) > 50").sum(:credit_limit)
assert_nil c[1]
assert_equal 105, c[6]
assert_equal 60, c[2]
end
def test_should_group_by_summed_field_having_condition_from_select
- c = Account.select("MIN(credit_limit) AS min_credit_limit").group(:firm_id).having("MIN(credit_limit) > 50").sum(:credit_limit)
+ skip unless current_adapter?(:Mysql2Adapter, :SQLite3Adapter)
+ c = Account.select("MIN(credit_limit) AS min_credit_limit").group(:firm_id).having("min_credit_limit > 50").sum(:credit_limit)
assert_nil c[1]
assert_equal 60, c[2]
assert_equal 53, c[9]
@@ -248,52 +293,52 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_should_sum_field_with_conditions
- assert_equal 105, Account.where('firm_id = 6').sum(:credit_limit)
+ assert_equal 105, Account.where("firm_id = 6").sum(:credit_limit)
end
def test_should_return_zero_if_sum_conditions_return_nothing
- assert_equal 0, Account.where('1 = 2').sum(:credit_limit)
- assert_equal 0, companies(:rails_core).companies.where('1 = 2').sum(:id)
+ assert_equal 0, Account.where("1 = 2").sum(:credit_limit)
+ assert_equal 0, companies(:rails_core).companies.where("1 = 2").sum(:id)
end
def test_sum_should_return_valid_values_for_decimals
- NumericData.create(:bank_balance => 19.83)
+ NumericData.create(bank_balance: 19.83)
assert_equal 19.83, NumericData.sum(:bank_balance)
end
def test_should_return_type_casted_values_with_group_and_expression
- assert_equal 0.5, Account.group(:firm_name).sum('0.01 * credit_limit')['37signals']
+ assert_equal 0.5, Account.group(:firm_name).sum("0.01 * credit_limit")["37signals"]
end
def test_should_group_by_summed_field_with_conditions
- c = Account.where('firm_id > 1').group(:firm_id).sum(:credit_limit)
+ c = Account.where("firm_id > 1").group(:firm_id).sum(:credit_limit)
assert_nil c[1]
assert_equal 105, c[6]
assert_equal 60, c[2]
end
def test_should_group_by_summed_field_with_conditions_and_having
- c = Account.where('firm_id > 1').group(:firm_id).
- having('sum(credit_limit) > 60').sum(:credit_limit)
+ c = Account.where("firm_id > 1").group(:firm_id).
+ having("sum(credit_limit) > 60").sum(:credit_limit)
assert_nil c[1]
assert_equal 105, c[6]
assert_nil c[2]
end
def test_should_group_by_fields_with_table_alias
- c = Account.group('accounts.firm_id').sum(:credit_limit)
+ c = Account.group("accounts.firm_id").sum(:credit_limit)
assert_equal 50, c[1]
assert_equal 105, c[6]
assert_equal 60, c[2]
end
def test_should_calculate_with_invalid_field
- assert_equal 6, Account.calculate(:count, '*')
+ assert_equal 6, Account.calculate(:count, "*")
assert_equal 6, Account.calculate(:count, :all)
end
def test_should_calculate_grouped_with_invalid_field
- c = Account.group('accounts.firm_id').count(:all)
+ c = Account.group("accounts.firm_id").count(:all)
assert_equal 1, c[1]
assert_equal 2, c[6]
assert_equal 1, c[2]
@@ -307,8 +352,8 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_should_group_by_association_with_non_numeric_foreign_key
- Speedometer.create! id: 'ABC'
- Minivan.create! id: 'OMG', speedometer_id: 'ABC'
+ Speedometer.create! id: "ABC"
+ Minivan.create! id: "OMG", speedometer_id: "ABC"
c = Minivan.group(:speedometer).count(:all)
first_key = c.keys.first
@@ -317,7 +362,7 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_should_calculate_grouped_association_with_foreign_key_option
- Account.belongs_to :another_firm, :class_name => 'Firm', :foreign_key => 'firm_id'
+ Account.belongs_to :another_firm, class_name: "Firm", foreign_key: "firm_id"
c = Account.group(:another_firm).count(:all)
assert_equal 1, c[companies(:first_firm)]
assert_equal 2, c[companies(:rails_core)]
@@ -327,17 +372,17 @@ class CalculationsTest < ActiveRecord::TestCase
def test_should_calculate_grouped_by_function
c = Company.group("UPPER(#{QUOTED_TYPE})").count(:all)
assert_equal 2, c[nil]
- assert_equal 1, c['DEPENDENTFIRM']
- assert_equal 5, c['CLIENT']
- assert_equal 2, c['FIRM']
+ assert_equal 1, c["DEPENDENTFIRM"]
+ assert_equal 5, c["CLIENT"]
+ assert_equal 2, c["FIRM"]
end
def test_should_calculate_grouped_by_function_with_table_alias
c = Company.group("UPPER(companies.#{QUOTED_TYPE})").count(:all)
assert_equal 2, c[nil]
- assert_equal 1, c['DEPENDENTFIRM']
- assert_equal 5, c['CLIENT']
- assert_equal 2, c['FIRM']
+ assert_equal 1, c["DEPENDENTFIRM"]
+ assert_equal 5, c["CLIENT"]
+ assert_equal 2, c["FIRM"]
end
def test_should_not_overshadow_enumerable_sum
@@ -353,19 +398,19 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_should_sum_scoped_field_with_conditions
- assert_equal 8, companies(:rails_core).companies.where('id > 7').sum(:id)
+ assert_equal 8, companies(:rails_core).companies.where("id > 7").sum(:id)
end
def test_should_group_by_scoped_field
c = companies(:rails_core).companies.group(:name).sum(:id)
- assert_equal 7, c['Leetsoft']
- assert_equal 8, c['Jadedpixel']
+ assert_equal 7, c["Leetsoft"]
+ assert_equal 8, c["Jadedpixel"]
end
def test_should_group_by_summed_field_through_association_and_having
- c = companies(:rails_core).companies.group(:name).having('sum(id) > 7').sum(:id)
- assert_nil c['Leetsoft']
- assert_equal 8, c['Jadedpixel']
+ c = companies(:rails_core).companies.group(:name).having("sum(id) > 7").sum(:id)
+ assert_nil c["Leetsoft"]
+ assert_equal 8, c["Jadedpixel"]
end
def test_should_count_selected_field_with_include
@@ -380,7 +425,7 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_should_perform_joined_include_when_referencing_included_tables
- joined_count = Account.includes(:firm).where(:companies => {:name => '37signals'}).count
+ joined_count = Account.includes(:firm).where(companies: { name: "37signals" }).count
assert_equal 1, joined_count
end
@@ -391,10 +436,10 @@ class CalculationsTest < ActiveRecord::TestCase
def test_should_count_scoped_select_with_options
Account.update_all("credit_limit = NULL")
- Account.last.update_columns('credit_limit' => 49)
- Account.first.update_columns('credit_limit' => 51)
+ Account.last.update_columns("credit_limit" => 49)
+ Account.first.update_columns("credit_limit" => 51)
- assert_equal 1, Account.select("credit_limit").where('credit_limit >= 50').count
+ assert_equal 1, Account.select("credit_limit").where("credit_limit >= 50").count
end
def test_should_count_manual_select_with_include
@@ -420,10 +465,6 @@ class CalculationsTest < ActiveRecord::TestCase
def test_count_with_distinct
assert_equal 4, Account.select(:credit_limit).distinct.count
-
- assert_deprecated do
- assert_equal 4, Account.select(:credit_limit).uniq.count
- end
end
def test_count_with_aliased_attribute
@@ -435,8 +476,8 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_should_count_field_in_joined_table
- assert_equal 5, Account.joins(:firm).count('companies.id')
- assert_equal 4, Account.joins(:firm).distinct.count('companies.id')
+ assert_equal 5, Account.joins(:firm).count("companies.id")
+ assert_equal 4, Account.joins(:firm).distinct.count("companies.id")
end
def test_count_arel_attribute_in_joined_table_with
@@ -450,14 +491,14 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_should_count_field_in_joined_table_with_group_by
- c = Account.group('accounts.firm_id').joins(:firm).count('companies.id')
+ c = Account.group("accounts.firm_id").joins(:firm).count("companies.id")
- [1,6,2,9].each { |firm_id| assert c.keys.include?(firm_id) }
+ [1, 6, 2, 9].each { |firm_id| assert_includes c.keys, firm_id }
end
def test_should_count_field_of_root_table_with_conflicting_group_by_column
assert_equal({ 1 => 1 }, Firm.joins(:accounts).group(:firm_id).count)
- assert_equal({ 1 => 1 }, Firm.joins(:accounts).group('accounts.firm_id').count)
+ assert_equal({ 1 => 1 }, Firm.joins(:accounts).group("accounts.firm_id").count)
end
def test_count_with_no_parameters_isnt_deprecated
@@ -477,14 +518,17 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_count_with_where_and_order
- assert_equal 1, Account.where(firm_name: '37signals').count
- assert_equal 1, Account.where(firm_name: '37signals').order(:firm_name).count
- assert_equal 1, Account.where(firm_name: '37signals').order(:firm_name).reverse_order.count
+ assert_equal 1, Account.where(firm_name: "37signals").count
+ assert_equal 1, Account.where(firm_name: "37signals").order(:firm_name).count
+ assert_equal 1, Account.where(firm_name: "37signals").order(:firm_name).reverse_order.count
+ end
+
+ def test_count_with_block
+ assert_equal 4, Account.count { |account| account.credit_limit.modulo(10).zero? }
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
@@ -492,69 +536,69 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_sum_expression_returns_zero_when_no_records_to_sum
- assert_equal 0, Account.where('1 = 2').sum("2 * credit_limit")
+ assert_equal 0, Account.where("1 = 2").sum("2 * credit_limit")
end
def test_count_with_from_option
- assert_equal Company.count(:all), Company.from('companies').count(:all)
+ assert_equal Company.count(:all), Company.from("companies").count(:all)
assert_equal Account.where("credit_limit = 50").count(:all),
- Account.from('accounts').where("credit_limit = 50").count(:all)
- assert_equal Company.where(:type => "Firm").count(:type),
- Company.where(:type => "Firm").from('companies').count(:type)
+ Account.from("accounts").where("credit_limit = 50").count(:all)
+ assert_equal Company.where(type: "Firm").count(:type),
+ Company.where(type: "Firm").from("companies").count(:type)
end
def test_sum_with_from_option
- assert_equal Account.sum(:credit_limit), Account.from('accounts').sum(:credit_limit)
+ assert_equal Account.sum(:credit_limit), Account.from("accounts").sum(:credit_limit)
assert_equal Account.where("credit_limit > 50").sum(:credit_limit),
- Account.where("credit_limit > 50").from('accounts').sum(:credit_limit)
+ Account.where("credit_limit > 50").from("accounts").sum(:credit_limit)
end
def test_average_with_from_option
- assert_equal Account.average(:credit_limit), Account.from('accounts').average(:credit_limit)
+ assert_equal Account.average(:credit_limit), Account.from("accounts").average(:credit_limit)
assert_equal Account.where("credit_limit > 50").average(:credit_limit),
- Account.where("credit_limit > 50").from('accounts').average(:credit_limit)
+ Account.where("credit_limit > 50").from("accounts").average(:credit_limit)
end
def test_minimum_with_from_option
- assert_equal Account.minimum(:credit_limit), Account.from('accounts').minimum(:credit_limit)
+ assert_equal Account.minimum(:credit_limit), Account.from("accounts").minimum(:credit_limit)
assert_equal Account.where("credit_limit > 50").minimum(:credit_limit),
- Account.where("credit_limit > 50").from('accounts').minimum(:credit_limit)
+ Account.where("credit_limit > 50").from("accounts").minimum(:credit_limit)
end
def test_maximum_with_from_option
- assert_equal Account.maximum(:credit_limit), Account.from('accounts').maximum(:credit_limit)
+ assert_equal Account.maximum(:credit_limit), Account.from("accounts").maximum(:credit_limit)
assert_equal Account.where("credit_limit > 50").maximum(:credit_limit),
- Account.where("credit_limit > 50").from('accounts').maximum(:credit_limit)
+ Account.where("credit_limit > 50").from("accounts").maximum(:credit_limit)
end
def test_maximum_with_not_auto_table_name_prefix_if_column_included
- Company.create!(:name => "test", :contracts => [Contract.new(:developer_id => 7)])
+ Company.create!(name: "test", contracts: [Contract.new(developer_id: 7)])
assert_equal 7, Company.includes(:contracts).maximum(:developer_id)
end
def test_minimum_with_not_auto_table_name_prefix_if_column_included
- Company.create!(:name => "test", :contracts => [Contract.new(:developer_id => 7)])
+ Company.create!(name: "test", contracts: [Contract.new(developer_id: 7)])
assert_equal 7, Company.includes(:contracts).minimum(:developer_id)
end
def test_sum_with_not_auto_table_name_prefix_if_column_included
- Company.create!(:name => "test", :contracts => [Contract.new(:developer_id => 7)])
+ Company.create!(name: "test", contracts: [Contract.new(developer_id: 7)])
assert_equal 7, Company.includes(:contracts).sum(:developer_id)
end
if current_adapter?(:Mysql2Adapter)
def test_from_option_with_specified_index
- assert_equal Edge.count(:all), Edge.from('edges USE INDEX(unique_edge_index)').count(:all)
- assert_equal Edge.where('sink_id < 5').count(:all),
- Edge.from('edges USE INDEX(unique_edge_index)').where('sink_id < 5').count(:all)
+ assert_equal Edge.count(:all), Edge.from("edges USE INDEX(unique_edge_index)").count(:all)
+ assert_equal Edge.where("sink_id < 5").count(:all),
+ Edge.from("edges USE INDEX(unique_edge_index)").where("sink_id < 5").count(:all)
end
end
def test_from_option_with_table_different_than_class
- assert_equal Account.count(:all), Company.from('accounts').count(:all)
+ assert_equal Account.count(:all), Company.from("accounts").count(:all)
end
def test_distinct_is_honored_when_used_with_count_operation_after_group
@@ -567,17 +611,20 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_pluck
- assert_equal [1,2,3,4,5], Topic.order(:id).pluck(:id)
+ assert_equal [1, 2, 3, 4, 5], Topic.order(:id).pluck(:id)
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
topic = topics(:first)
- relation = Topic.where(:id => topic.id)
+ relation = Topic.where(id: topic.id)
assert_equal [ topic.approved ], relation.pluck(:approved)
assert_equal [ topic.last_read ], relation.pluck(:last_read)
assert_equal [ topic.written_on ], relation.pluck(:written_on)
@@ -594,42 +641,42 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_pluck_on_aliased_attribute
- assert_equal 'The First Topic', Topic.order(:id).pluck(:heading).first
+ assert_equal "The First Topic", Topic.order(:id).pluck(:heading).first
end
def test_pluck_with_serialization
- t = Topic.create!(:content => { :foo => :bar })
- assert_equal [{:foo => :bar}], Topic.where(:id => t.id).pluck(:content)
+ t = Topic.create!(content: { foo: :bar })
+ assert_equal [{ foo: :bar }], Topic.where(id: t.id).pluck(:content)
end
def test_pluck_with_qualified_column_name
- assert_equal [1,2,3,4,5], Topic.order(:id).pluck("topics.id")
+ assert_equal [1, 2, 3, 4, 5], Topic.order(:id).pluck("topics.id")
end
def test_pluck_auto_table_name_prefix
- c = Company.create!(:name => "test", :contracts => [Contract.new])
+ c = Company.create!(name: "test", contracts: [Contract.new])
assert_equal [c.id], Company.joins(:contracts).pluck(:id)
end
def test_pluck_if_table_included
- c = Company.create!(:name => "test", :contracts => [Contract.new(:developer_id => 7)])
+ c = Company.create!(name: "test", contracts: [Contract.new(developer_id: 7)])
assert_equal [c.id], Company.includes(:contracts).where("contracts.id" => c.contracts.first).pluck(:id)
end
def test_pluck_not_auto_table_name_prefix_if_column_joined
- Company.create!(:name => "test", :contracts => [Contract.new(:developer_id => 7)])
+ Company.create!(name: "test", contracts: [Contract.new(developer_id: 7)])
assert_equal [7], Company.joins(:contracts).pluck(:developer_id)
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
@@ -638,11 +685,16 @@ class CalculationsTest < ActiveRecord::TestCase
def test_pluck_with_includes_limit_and_empty_result
assert_equal [], Topic.includes(:replies).limit(0).pluck(:id)
- assert_equal [], Topic.includes(:replies).limit(1).where('0 = 1').pluck(:id)
+ assert_equal [], Topic.includes(:replies).limit(1).where("0 = 1").pluck(:id)
+ end
+
+ def test_pluck_with_includes_offset
+ assert_equal [5], Topic.includes(:replies).order(:id).offset(4).pluck(:id)
+ assert_equal [], Topic.includes(:replies).order(:id).offset(5).pluck(:id)
end
def test_pluck_not_auto_table_name_prefix_if_column_included
- Company.create!(:name => "test", :contracts => [Contract.new(:developer_id => 7)])
+ Company.create!(name: "test", contracts: [Contract.new(developer_id: 7)])
ids = Company.includes(:contracts).pluck(:developer_id)
assert_equal Company.count, ids.length
assert_equal [7], ids.compact
@@ -663,12 +715,12 @@ class CalculationsTest < ActiveRecord::TestCase
def test_pluck_with_multiple_columns_and_selection_clause
assert_equal [[1, 50], [2, 50], [3, 50], [4, 60], [5, 55], [6, 53]],
- Account.pluck('id, credit_limit')
+ Account.pluck("id, credit_limit")
end
def test_pluck_with_multiple_columns_and_includes
- Company.create!(:name => "test", :contracts => [Contract.new(:developer_id => 7)])
- companies_and_developers = Company.order('companies.id').includes(:contracts).pluck(:name, :developer_id)
+ Company.create!(name: "test", contracts: [Contract.new(developer_id: 7)])
+ companies_and_developers = Company.order("companies.id").includes(:contracts).pluck(:name, :developer_id)
assert_equal Company.count, companies_and_developers.length
assert_equal ["37signals", nil], companies_and_developers.first
@@ -676,21 +728,21 @@ class CalculationsTest < ActiveRecord::TestCase
end
def test_pluck_with_reserved_words
- Possession.create!(:where => "Over There")
+ Possession.create!(where: "Over There")
assert_equal ["Over There"], Possession.pluck(:where)
end
def test_pluck_replaces_select_clause
taks_relation = Topic.select(:approved, :id).order(:id)
- assert_equal [1,2,3,4,5], taks_relation.pluck(:id)
+ assert_equal [1, 2, 3, 4, 5], taks_relation.pluck(:id)
assert_equal [false, true, true, true, true], taks_relation.pluck(:approved)
end
def test_pluck_columns_with_same_name
expected = [["The First Topic", "The Second Topic of the day"], ["The Third Topic of the day", "The Fourth Topic of the day"]]
actual = Topic.joins(:replies)
- .pluck('topics.title', 'replies_topics.title')
+ .pluck("topics.title", "replies_topics.title")
assert_equal expected, actual
end
@@ -709,23 +761,29 @@ 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)
+ 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)
+ 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
@@ -743,7 +801,7 @@ class CalculationsTest < ActiveRecord::TestCase
def test_should_reference_correct_aliases_while_joining_tables_of_has_many_through_association
assert_nothing_raised do
- developer = Developer.create!(name: 'developer')
+ developer = Developer.create!(name: "developer")
developer.ratings.includes(comment: :post).where(posts: { id: 1 }).count
end
end
@@ -778,7 +836,7 @@ class CalculationsTest < ActiveRecord::TestCase
end
end
- params = protected_params.new(credit_limit: '50')
+ params = protected_params.new(credit_limit: "50")
assert_raises(ActiveModel::ForbiddenAttributesError) do
Account.group(:id).having(params)
@@ -789,4 +847,62 @@ class CalculationsTest < ActiveRecord::TestCase
assert_equal 50, result[1].credit_limit
assert_equal 50, result[2].credit_limit
end
+
+ 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