diff options
Diffstat (limited to 'activerecord/test/cases/calculations_test.rb')
| -rw-r--r-- | activerecord/test/cases/calculations_test.rb | 151 |
1 files changed, 96 insertions, 55 deletions
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb index 5c9ed42173..dbd1d03c4c 100644 --- a/activerecord/test/cases/calculations_test.rb +++ b/activerecord/test/cases/calculations_test.rb @@ -19,6 +19,7 @@ require "models/developer" require "models/post" require "models/comment" require "models/rating" +require "support/stubs/strong_parameters" class CalculationsTest < ActiveRecord::TestCase fixtures :companies, :accounts, :topics, :speedometers, :minivans, :books, :posts, :comments @@ -138,6 +139,13 @@ class CalculationsTest < ActiveRecord::TestCase end end + def test_should_not_use_alias_for_grouped_field + assert_sql(/GROUP BY #{Regexp.escape(Account.connection.quote_table_name("accounts.firm_id"))}/i) do + c = Account.group(:firm_id).order("accounts_firm_id").sum(:credit_limit) + assert_equal [1, 2, 6, 9], c.keys.compact + end + end + def test_should_order_by_grouped_field c = Account.group(:firm_id).order("firm_id").sum(:credit_limit) assert_equal [1, 2, 6, 9], c.keys.compact @@ -184,7 +192,7 @@ class CalculationsTest < ActiveRecord::TestCase def test_limit_is_kept return if current_adapter?(:OracleAdapter) - queries = assert_sql { Account.limit(1).count } + queries = capture_sql { Account.limit(1).count } assert_equal 1, queries.length assert_match(/LIMIT/, queries.first) end @@ -192,7 +200,7 @@ class CalculationsTest < ActiveRecord::TestCase def test_offset_is_kept return if current_adapter?(:OracleAdapter) - queries = assert_sql { Account.offset(1).count } + queries = capture_sql { Account.offset(1).count } assert_equal 1, queries.length assert_match(/OFFSET/, queries.first) end @@ -200,14 +208,14 @@ class CalculationsTest < ActiveRecord::TestCase def test_limit_with_offset_is_kept return if current_adapter?(:OracleAdapter) - queries = assert_sql { Account.limit(1).offset(1).count } + queries = capture_sql { Account.limit(1).offset(1).count } assert_equal 1, queries.length assert_match(/LIMIT/, queries.first) assert_match(/OFFSET/, queries.first) end def test_no_limit_no_offset - queries = assert_sql { Account.count } + queries = capture_sql { Account.count } assert_equal 1, queries.length assert_no_match(/LIMIT/, queries.first) assert_no_match(/OFFSET/, queries.first) @@ -218,20 +226,17 @@ class CalculationsTest < ActiveRecord::TestCase Account.select("credit_limit, firm_name").count } - assert_match %r{accounts}i, e.message - assert_match "credit_limit, firm_name", e.message + assert_match %r{accounts}i, e.sql + assert_match "credit_limit, firm_name", e.sql end def test_apply_distinct_in_count - queries = assert_sql do + queries = capture_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 @@ -242,6 +247,12 @@ class CalculationsTest < ActiveRecord::TestCase assert_queries(1) { assert_equal 11, posts.count(:all) } end + def test_count_with_eager_loading_and_custom_select_and_order + posts = Post.includes(:comments).order("comments.id").select(:type) + assert_queries(1) { assert_equal 11, posts.count } + 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 } @@ -278,6 +289,18 @@ class CalculationsTest < ActiveRecord::TestCase assert_equal 3, Account.joins(:firm).distinct.order(:firm_id).limit(3).offset(2).count end + def test_distinct_joins_count_with_group_by + expected = { nil => 4, 1 => 1, 2 => 1, 4 => 1, 5 => 1, 7 => 1 } + assert_equal expected, Post.left_joins(:comments).group(:post_id).distinct.count(:author_id) + assert_equal expected, Post.left_joins(:comments).group(:post_id).distinct.select(:author_id).count + assert_equal expected, Post.left_joins(:comments).group(:post_id).count("DISTINCT posts.author_id") + assert_equal expected, Post.left_joins(:comments).group(:post_id).select("DISTINCT posts.author_id").count + + expected = { nil => 6, 1 => 1, 2 => 1, 4 => 1, 5 => 1, 7 => 1 } + assert_equal expected, Post.left_joins(:comments).group(:post_id).distinct.count(:all) + assert_equal expected, Post.left_joins(:comments).group(:post_id).distinct.select(:author_id).count(:all) + 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 @@ -344,6 +367,17 @@ class CalculationsTest < ActiveRecord::TestCase assert_equal 60, c[2] end + def test_should_calculate_grouped_with_longer_field + field = "a" * Account.connection.max_identifier_length + + Account.update_all("#{field} = credit_limit") + + c = Account.group(:firm_id).sum(field) + 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, :all) @@ -428,11 +462,13 @@ class CalculationsTest < ActiveRecord::TestCase def test_should_count_selected_field_with_include assert_equal 6, Account.includes(:firm).distinct.count assert_equal 4, Account.includes(:firm).distinct.select(:credit_limit).count + assert_equal 4, Account.includes(:firm).distinct.count("DISTINCT credit_limit") + assert_equal 4, Account.includes(:firm).distinct.count("DISTINCT(credit_limit)") end def test_should_not_perform_joined_include_by_default assert_equal Account.count, Account.includes(:firm).count - queries = assert_sql { Account.includes(:firm).count } + queries = capture_sql { Account.includes(:firm).count } assert_no_match(/join/i, queries.last) end @@ -458,6 +494,24 @@ class CalculationsTest < ActiveRecord::TestCase assert_equal 6, Account.select("DISTINCT accounts.id").includes(:firm).count end + def test_should_count_manual_select_with_count_all + assert_equal 5, Account.select("DISTINCT accounts.firm_id").count(:all) + end + + def test_should_count_with_manual_distinct_select_and_distinct + assert_equal 4, Account.select("DISTINCT accounts.firm_id").distinct(true).count + end + + def test_should_count_manual_select_with_group_with_count_all + expected = { nil => 1, 1 => 1, 2 => 1, 6 => 2, 9 => 1 } + actual = Account.select("DISTINCT accounts.firm_id").group("accounts.firm_id").count(:all) + assert_equal expected, actual + end + + def test_should_count_manual_with_count_all + assert_equal 6, Account.count(:all) + end + def test_count_selected_arel_attribute assert_equal 5, Account.select(Account.arel_table[:firm_id]).count assert_equal 4, Account.distinct.select(Account.arel_table[:firm_id]).count @@ -509,8 +563,10 @@ class CalculationsTest < ActiveRecord::TestCase 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) + expected = { 1 => 2, 2 => 1, 4 => 5, 5 => 2, 7 => 1 } + assert_equal expected, Post.joins(:comments).group(:post_id).count + assert_equal expected, Post.joins(:comments).group("comments.post_id").count + assert_equal expected, Post.joins(:comments).group(:post_id).select("DISTINCT posts.author_id").count(:all) end def test_count_with_no_parameters_isnt_deprecated @@ -540,11 +596,7 @@ class CalculationsTest < ActiveRecord::TestCase end def test_should_sum_expression - 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 - end + assert_equal 636, Account.sum("2 * credit_limit") end def test_sum_expression_returns_zero_when_no_records_to_sum @@ -688,8 +740,9 @@ class CalculationsTest < ActiveRecord::TestCase end def test_pluck_not_auto_table_name_prefix_if_column_joined - Company.create!(name: "test", contracts: [Contract.new(developer_id: 7)]) - assert_equal [7], Company.joins(:contracts).pluck(:developer_id) + company = Company.create!(name: "test", contracts: [Contract.new(developer_id: 7)]) + metadata = company.contracts.first.metadata + assert_equal [metadata], Company.joins(:contracts).pluck(:metadata) end def test_pluck_with_selection_clause @@ -717,6 +770,16 @@ class CalculationsTest < ActiveRecord::TestCase assert_equal [], Topic.includes(:replies).order(:id).offset(5).pluck(:id) end + def test_pluck_with_join + assert_equal [[2, 2], [4, 4]], Reply.includes(:topic).pluck(:id, :"topics.id") + end + + def test_group_by_with_order_by_virtual_count_attribute + expected = { "SpecialPost" => 1, "StiPost" => 2 } + actual = Post.group(:type).order(:count).limit(2).maximum(:comments_count) + assert_equal expected, actual + end if current_adapter?(:PostgreSQLAdapter) + def test_group_by_with_limit expected = { "Post" => 8, "SpecialPost" => 1 } actual = Post.includes(:comments).group(:type).order(:type).limit(2).count("comments.id") @@ -783,7 +846,7 @@ class CalculationsTest < ActiveRecord::TestCase 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) + actual = Topic.joins(:replies).order(:id) .pluck("topics.title", "replies_topics.title") assert_equal expected, actual end @@ -803,28 +866,25 @@ 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_queries(0) 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_queries(0) 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_queries(1) do assert_equal ["37signals", "Apex", "Ex Nihilo"], companies.pluck(Arel.sql("DISTINCT name")) end end @@ -832,13 +892,13 @@ class CalculationsTest < ActiveRecord::TestCase 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) + assert_nil Topic.where(id: 9999999999999999999).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) + assert_nil Topic.where(id: 9999999999999999999).pick(:author_name, :author_email_address) end def test_pick_delegate_to_all @@ -876,26 +936,7 @@ class CalculationsTest < ActiveRecord::TestCase end def test_having_with_strong_parameters - protected_params = Class.new do - attr_reader :permitted - alias :permitted? :permitted - - def initialize(parameters) - @parameters = parameters - @permitted = false - end - - def to_h - @parameters - end - - def permit! - @permitted = true - self - end - end - - params = protected_params.new(credit_limit: "50") + params = ProtectedParams.new(credit_limit: "50") assert_raises(ActiveModel::ForbiddenAttributesError) do Account.group(:id).having(params) @@ -911,15 +952,15 @@ class CalculationsTest < ActiveRecord::TestCase 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 } + def test_count_with_block_and_column_name_raises_an_error + assert_raises(ArgumentError) do + 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 } + def test_sum_with_block_and_column_name_raises_an_error + assert_raises(ArgumentError) do + Account.sum(:firm_id) { 1 } end end |