require "cases/helper" require 'models/post' require 'models/author' require 'models/categorization' require 'models/comment' require 'models/company' require 'models/topic' require 'models/reply' require 'models/entrant' require 'models/project' require 'models/developer' require 'models/customer' require 'models/toy' class FinderTest < ActiveRecord::TestCase fixtures :companies, :topics, :entrants, :developers, :developers_projects, :posts, :comments, :accounts, :authors, :customers, :categories, :categorizations def test_find assert_equal(topics(:first).title, Topic.find(1).title) end # find should handle strings that come from URLs # (example: Category.find(params[:id])) def test_find_with_string assert_equal(Topic.find(1).title,Topic.find("1").title) end def test_exists assert Topic.exists?(1) assert Topic.exists?("1") assert Topic.exists?(:author_name => "David") assert Topic.exists?(:author_name => "Mary", :approved => true) assert Topic.exists?(["parent_id = ?", 1]) assert !Topic.exists?(45) assert !Topic.exists?(Topic.new) begin assert !Topic.exists?("foo") rescue ActiveRecord::StatementInvalid # PostgreSQL complains about string comparison with integer field rescue Exception flunk end assert_raise(NoMethodError) { Topic.exists?([1,2]) } end def test_exists_does_not_select_columns_without_alias assert_sql(/SELECT\W+1 AS one FROM ["`]topics["`]/i) do Topic.exists? end end def test_exists_returns_true_with_one_record_and_no_args assert Topic.exists? end def test_exists_returns_false_with_false_arg assert !Topic.exists?(false) end # exists? should handle nil for id's that come from URLs and always return false # (example: Topic.exists?(params[:id])) where params[:id] is nil def test_exists_with_nil_arg assert !Topic.exists?(nil) assert Topic.exists? assert !Topic.first.replies.exists?(nil) assert Topic.first.replies.exists? end # ensures +exists?+ runs valid SQL by excluding order value def test_exists_with_order assert Topic.order(:id).uniq.exists? end def test_exists_with_includes_limit_and_empty_result assert !Topic.includes(:replies).limit(0).exists? assert !Topic.includes(:replies).limit(1).where('0 = 1').exists? end def test_exists_with_empty_table_and_no_args_given Topic.delete_all assert !Topic.exists? end def test_exists_with_aggregate_having_three_mappings existing_address = customers(:david).address assert Customer.exists?(:address => existing_address) end def test_exists_with_aggregate_having_three_mappings_with_one_difference existing_address = customers(:david).address assert !Customer.exists?(:address => Address.new(existing_address.street, existing_address.city, existing_address.country + "1")) assert !Customer.exists?(:address => Address.new(existing_address.street, existing_address.city + "1", existing_address.country)) assert !Customer.exists?(:address => Address.new(existing_address.street + "1", existing_address.city, existing_address.country)) end def test_exists_does_not_instantiate_records Developer.expects(:instantiate).never Developer.exists? end def test_find_by_array_of_one_id assert_kind_of(Array, Topic.find([ 1 ])) assert_equal(1, Topic.find([ 1 ]).length) end def test_find_by_ids assert_equal 2, Topic.find(1, 2).size assert_equal topics(:second).title, Topic.find([2]).first.title end def test_find_by_ids_with_limit_and_offset assert_equal 2, Entrant.all.merge!(:limit => 2).find([1,3,2]).size assert_equal 1, Entrant.all.merge!(:limit => 3, :offset => 2).find([1,3,2]).size # Also test an edge case: If you have 11 results, and you set a # limit of 3 and offset of 9, then you should find that there # will be only 2 results, regardless of the limit. devs = Developer.all last_devs = Developer.all.merge!(:limit => 3, :offset => 9).find devs.map(&:id) assert_equal 2, last_devs.size end def test_find_an_empty_array assert_equal [], Topic.find([]) end def test_find_doesnt_have_implicit_ordering assert_sql(/^((?!ORDER).)*$/) { Topic.find(1) } end def test_find_by_ids_missing_one assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, 2, 45) } end def test_find_with_group_and_sanitized_having_method developers = Developer.group(:salary).having("sum(salary) > ?", 10000).select('salary').to_a assert_equal 3, developers.size assert_equal 3, developers.map(&:salary).uniq.size assert developers.all? { |developer| developer.salary > 10000 } end def test_find_with_entire_select_statement topics = Topic.find_by_sql "SELECT * FROM topics WHERE author_name = 'Mary'" assert_equal(1, topics.size) assert_equal(topics(:second).title, topics.first.title) end def test_find_with_prepared_select_statement topics = Topic.find_by_sql ["SELECT * FROM topics WHERE author_name = ?", "Mary"] assert_equal(1, topics.size) assert_equal(topics(:second).title, topics.first.title) end def test_find_by_sql_with_sti_on_joined_table accounts = Account.find_by_sql("SELECT * FROM accounts INNER JOIN companies ON companies.id = accounts.firm_id") assert_equal [Account], accounts.collect(&:class).uniq end def test_take assert_equal topics(:first), Topic.take end def test_take_failing assert_nil Topic.where("title = 'This title does not exist'").take end def test_take_bang_present assert_nothing_raised do assert_equal topics(:second), Topic.where("title = 'The Second Topic of the day'").take! end end def test_take_bang_missing assert_raises ActiveRecord::RecordNotFound do Topic.where("title = 'This title does not exist'").take! end end def test_first assert_equal topics(:second).title, Topic.where("title = 'The Second Topic of the day'").first.title end def test_first_failing assert_nil Topic.where("title = 'The Second Topic of the day!'").first end def test_first_bang_present assert_nothing_raised do assert_equal topics(:second), Topic.where("title = 'The Second Topic of the day'").first! end end def test_first_bang_missing assert_raises ActiveRecord::RecordNotFound do Topic.where("title = 'This title does not exist'").first! end end def test_first_have_primary_key_order_by_default expected = topics(:first) expected.touch # PostgreSQL changes the default order if no order clause is used assert_equal expected, Topic.first end def test_model_class_responds_to_first_bang assert Topic.first! Topic.delete_all assert_raises ActiveRecord::RecordNotFound do Topic.first! end end def test_last_bang_present assert_nothing_raised do assert_equal topics(:second), Topic.where("title = 'The Second Topic of the day'").last! end end def test_last_bang_missing assert_raises ActiveRecord::RecordNotFound do Topic.where("title = 'This title does not exist'").last! end end def test_model_class_responds_to_last_bang assert_equal topics(:fourth), Topic.last! assert_raises ActiveRecord::RecordNotFound do Topic.delete_all Topic.last! end end def test_take_and_first_and_last_with_integer_should_use_sql_limit assert_sql(/LIMIT 3|ROWNUM <= 3/) { Topic.take(3).entries } assert_sql(/LIMIT 2|ROWNUM <= 2/) { Topic.first(2).entries } assert_sql(/LIMIT 5|ROWNUM <= 5/) { Topic.last(5).entries } end def test_last_with_integer_and_order_should_keep_the_order assert_equal Topic.order("title").to_a.last(2), Topic.order("title").last(2) end def test_last_with_integer_and_order_should_not_use_sql_limit query = assert_sql { Topic.order("title").last(5).entries } assert_equal 1, query.length assert_no_match(/LIMIT/, query.first) end def test_last_with_integer_and_reorder_should_not_use_sql_limit query = assert_sql { Topic.reorder("title").last(5).entries } assert_equal 1, query.length assert_no_match(/LIMIT/, query.first) end def test_take_and_first_and_last_with_integer_should_return_an_array assert_kind_of Array, Topic.take(5) assert_kind_of Array, Topic.first(5) assert_kind_of Array, Topic.last(5) end def test_unexisting_record_exception_handling assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1).parent } Topic.find(2).topic end def test_find_only_some_columns topic = Topic.all.merge!(:select => "author_name").find(1) assert_raise(ActiveModel::MissingAttributeError) {topic.title} assert_raise(ActiveModel::MissingAttributeError) {topic.title?} assert_nil topic.read_attribute("title") assert_equal "David", topic.author_name assert !topic.attribute_present?("title") assert !topic.attribute_present?(:title) assert topic.attribute_present?("author_name") assert_respond_to topic, "author_name" end def test_find_on_array_conditions assert Topic.all.merge!(:where => ["approved = ?", false]).find(1) assert_raise(ActiveRecord::RecordNotFound) { Topic.all.merge!(:where => ["approved = ?", true]).find(1) } end def test_find_on_hash_conditions assert Topic.all.merge!(:where => { :approved => false }).find(1) assert_raise(ActiveRecord::RecordNotFound) { Topic.all.merge!(:where => { :approved => true }).find(1) } end def test_find_on_hash_conditions_with_explicit_table_name assert Topic.all.merge!(:where => { 'topics.approved' => false }).find(1) assert_raise(ActiveRecord::RecordNotFound) { Topic.all.merge!(:where => { 'topics.approved' => true }).find(1) } end def test_find_on_hash_conditions_with_hashed_table_name assert Topic.all.merge!(:where => {:topics => { :approved => false }}).find(1) assert_raise(ActiveRecord::RecordNotFound) { Topic.all.merge!(:where => {:topics => { :approved => true }}).find(1) } end def test_find_with_hash_conditions_on_joined_table firms = Firm.joins(:account).where(:accounts => { :credit_limit => 50 }) assert_equal 1, firms.size assert_equal companies(:first_firm), firms.first end def test_find_with_hash_conditions_on_joined_table_and_with_range firms = DependentFirm.all.merge!(:joins => :account, :where => {:name => 'RailsCore', :accounts => { :credit_limit => 55..60 }}) assert_equal 1, firms.size assert_equal companies(:rails_core), firms.first end def test_find_on_hash_conditions_with_explicit_table_name_and_aggregate david = customers(:david) assert Customer.where('customers.name' => david.name, :address => david.address).find(david.id) assert_raise(ActiveRecord::RecordNotFound) { Customer.where('customers.name' => david.name + "1", :address => david.address).find(david.id) } end def test_find_on_association_proxy_conditions assert_equal [1, 2, 3, 5, 6, 7, 8, 9, 10, 12], Comment.where(post_id: authors(:david).posts).map(&:id).sort end def test_find_on_hash_conditions_with_range assert_equal [1,2], Topic.all.merge!(:where => { :id => 1..2 }).to_a.map(&:id).sort assert_raise(ActiveRecord::RecordNotFound) { Topic.all.merge!(:where => { :id => 2..3 }).find(1) } end def test_find_on_hash_conditions_with_end_exclusive_range assert_equal [1,2,3], Topic.all.merge!(:where => { :id => 1..3 }).to_a.map(&:id).sort assert_equal [1,2], Topic.all.merge!(:where => { :id => 1...3 }).to_a.map(&:id).sort assert_raise(ActiveRecord::RecordNotFound) { Topic.all.merge!(:where => { :id => 2...3 }).find(3) } end def test_find_on_hash_conditions_with_multiple_ranges assert_equal [1,2,3], Comment.all.merge!(:where => { :id => 1..3, :post_id => 1..2 }).to_a.map(&:id).sort assert_equal [1], Comment.all.merge!(:where => { :id => 1..1, :post_id => 1..10 }).to_a.map(&:id).sort end def test_find_on_hash_conditions_with_array_of_integers_and_ranges assert_equal [1,2,3,5,6,7,8,9], Comment.all.merge!(:where => {:id => [1..2, 3, 5, 6..8, 9]}).to_a.map(&:id).sort end def test_find_on_multiple_hash_conditions assert Topic.all.merge!(:where => { :author_name => "David", :title => "The First Topic", :replies_count => 1, :approved => false }).find(1) assert_raise(ActiveRecord::RecordNotFound) { Topic.all.merge!(:where => { :author_name => "David", :title => "The First Topic", :replies_count => 1, :approved => true }).find(1) } assert_raise(ActiveRecord::RecordNotFound) { Topic.all.merge!(:where => { :author_name => "David", :title => "HHC", :replies_count => 1, :approved => false }).find(1) } assert_raise(ActiveRecord::RecordNotFound) { Topic.all.merge!(:where => { :author_name => "David", :title => "The First Topic", :replies_count => 1, :approved => true }).find(1) } end def test_condition_interpolation assert_kind_of Firm, Company.where("name = '%s'", "37signals").first assert_nil Company.all.merge!(:where => ["name = '%s'", "37signals!"]).first assert_nil Company.all.merge!(:where => ["name = '%s'", "37signals!' OR 1=1"]).first assert_kind_of Time, Topic.all.merge!(:where => ["id = %d", 1]).first.written_on end def test_condition_array_interpolation assert_kind_of Firm, Company.all.merge!(:where => ["name = '%s'", "37signals"]).first assert_nil Company.all.merge!(:where => ["name = '%s'", "37signals!"]).first assert_nil Company.all.merge!(:where => ["name = '%s'", "37signals!' OR 1=1"]).first assert_kind_of Time, Topic.all.merge!(:where => ["id = %d", 1]).first.written_on end def test_condition_hash_interpolation assert_kind_of Firm, Company.all.merge!(:where => { :name => "37signals"}).first assert_nil Company.all.merge!(:where => { :name => "37signals!"}).first assert_kind_of Time, Topic.all.merge!(:where => {:id => 1}).first.written_on end def test_hash_condition_find_malformed assert_raise(ActiveRecord::StatementInvalid) { Company.all.merge!(:where => { :id => 2, :dhh => true }).first } end def test_hash_condition_find_with_escaped_characters Company.create("name" => "Ain't noth'n like' \#stuff") assert Company.all.merge!(:where => { :name => "Ain't noth'n like' \#stuff" }).first end def test_hash_condition_find_with_array p1, p2 = Post.all.merge!(:limit => 2, :order => 'id asc').to_a assert_equal [p1, p2], Post.all.merge!(:where => { :id => [p1, p2] }, :order => 'id asc').to_a assert_equal [p1, p2], Post.all.merge!(:where => { :id => [p1, p2.id] }, :order => 'id asc').to_a end def test_hash_condition_find_with_nil topic = Topic.all.merge!(:where => { :last_read => nil } ).first assert_not_nil topic assert_nil topic.last_read end def test_hash_condition_find_with_aggregate_having_one_mapping balance = customers(:david).balance assert_kind_of Money, balance found_customer = Customer.where(:balance => balance).first assert_equal customers(:david), found_customer end def test_hash_condition_find_with_aggregate_attribute_having_same_name_as_field_and_key_value_being_aggregate gps_location = customers(:david).gps_location assert_kind_of GpsLocation, gps_location found_customer = Customer.where(:gps_location => gps_location).first assert_equal customers(:david), found_customer end def test_hash_condition_find_with_aggregate_having_one_mapping_and_key_value_being_attribute_value balance = customers(:david).balance assert_kind_of Money, balance found_customer = Customer.where(:balance => balance.amount).first assert_equal customers(:david), found_customer end def test_hash_condition_find_with_aggregate_attribute_having_same_name_as_field_and_key_value_being_attribute_value gps_location = customers(:david).gps_location assert_kind_of GpsLocation, gps_location found_customer = Customer.where(:gps_location => gps_location.gps_location).first assert_equal customers(:david), found_customer end def test_hash_condition_find_with_aggregate_having_three_mappings address = customers(:david).address assert_kind_of Address, address found_customer = Customer.where(:address => address).first assert_equal customers(:david), found_customer end def test_hash_condition_find_with_one_condition_being_aggregate_and_another_not address = customers(:david).address assert_kind_of Address, address found_customer = Customer.where(:address => address, :name => customers(:david).name).first assert_equal customers(:david), found_customer end def test_condition_utc_time_interpolation_with_default_timezone_local with_env_tz 'America/New_York' do with_active_record_default_timezone :local do topic = Topic.first assert_equal topic, Topic.all.merge!(:where => ['written_on = ?', topic.written_on.getutc]).first end end end def test_hash_condition_utc_time_interpolation_with_default_timezone_local with_env_tz 'America/New_York' do with_active_record_default_timezone :local do topic = Topic.first assert_equal topic, Topic.all.merge!(:where => {:written_on => topic.written_on.getutc}).first end end end def test_condition_local_time_interpolation_with_default_timezone_utc with_env_tz 'America/New_York' do with_active_record_default_timezone :utc do topic = Topic.first assert_equal topic, Topic.all.merge!(:where => ['written_on = ?', topic.written_on.getlocal]).first end end end def test_hash_condition_local_time_interpolation_with_default_timezone_utc with_env_tz 'America/New_York' do with_active_record_default_timezone :utc do topic = Topic.first assert_equal topic, Topic.all.merge!(:where => {:written_on => topic.written_on.getlocal}).first end end end def test_bind_variables assert_kind_of Firm, Company.all.merge!(:where => ["name = ?", "37signals"]).first assert_nil Company.all.merge!(:where => ["name = ?", "37signals!"]).first assert_nil Company.all.merge!(:where => ["name = ?", "37signals!' OR 1=1"]).first assert_kind_of Time, Topic.all.merge!(:where => ["id = ?", 1]).first.written_on assert_raise(ActiveRecord::PreparedStatementInvalid) { Company.all.merge!(:where => ["id=? AND name = ?", 2]).first } assert_raise(ActiveRecord::PreparedStatementInvalid) { Company.all.merge!(:where => ["id=?", 2, 3, 4]).first } end def test_bind_variables_with_quotes Company.create("name" => "37signals' go'es agains") assert Company.all.merge!(:where => ["name = ?", "37signals' go'es agains"]).first end def test_named_bind_variables_with_quotes Company.create("name" => "37signals' go'es agains") assert Company.all.merge!(:where => ["name = :name", {:name => "37signals' go'es agains"}]).first end def test_bind_arity assert_nothing_raised { bind '' } assert_raise(ActiveRecord::PreparedStatementInvalid) { bind '', 1 } assert_raise(ActiveRecord::PreparedStatementInvalid) { bind '?' } assert_nothing_raised { bind '?', 1 } assert_raise(ActiveRecord::PreparedStatementInvalid) { bind '?', 1, 1 } end def test_named_bind_variables assert_equal '1', bind(':a', :a => 1) # ' ruby-mode assert_equal '1 1', bind(':a :a', :a => 1) # ' ruby-mode assert_nothing_raised { bind("'+00:00'", :foo => "bar") } assert_kind_of Firm, Company.all.merge!(:where => ["name = :name", { :name => "37signals" }]).first assert_nil Company.all.merge!(:where => ["name = :name", { :name => "37signals!" }]).first assert_nil Company.all.merge!(:where => ["name = :name", { :name => "37signals!' OR 1=1" }]).first assert_kind_of Time, Topic.all.merge!(:where => ["id = :id", { :id => 1 }]).first.written_on end class SimpleEnumerable include Enumerable def initialize(ary) @ary = ary end def each(&b) @ary.each(&b) end end def test_bind_enumerable quoted_abc = %(#{ActiveRecord::Base.connection.quote('a')},#{ActiveRecord::Base.connection.quote('b')},#{ActiveRecord::Base.connection.quote('c')}) assert_equal '1,2,3', bind('?', [1, 2, 3]) assert_equal quoted_abc, bind('?', %w(a b c)) assert_equal '1,2,3', bind(':a', :a => [1, 2, 3]) assert_equal quoted_abc, bind(':a', :a => %w(a b c)) # ' assert_equal '1,2,3', bind('?', SimpleEnumerable.new([1, 2, 3])) assert_equal quoted_abc, bind('?', SimpleEnumerable.new(%w(a b c))) assert_equal '1,2,3', bind(':a', :a => SimpleEnumerable.new([1, 2, 3])) assert_equal quoted_abc, bind(':a', :a => SimpleEnumerable.new(%w(a b c))) # ' end def test_bind_empty_enumerable quoted_nil = ActiveRecord::Base.connection.quote(nil) assert_equal quoted_nil, bind('?', []) assert_equal " in (#{quoted_nil})", bind(' in (?)', []) assert_equal "foo in (#{quoted_nil})", bind('foo in (?)', []) end def test_bind_empty_string quoted_empty = ActiveRecord::Base.connection.quote('') assert_equal quoted_empty, bind('?', '') end def test_bind_chars quoted_bambi = ActiveRecord::Base.connection.quote("Bambi") quoted_bambi_and_thumper = ActiveRecord::Base.connection.quote("Bambi\nand\nThumper") assert_equal "name=#{quoted_bambi}", bind('name=?', "Bambi") assert_equal "name=#{quoted_bambi_and_thumper}", bind('name=?', "Bambi\nand\nThumper") assert_equal "name=#{quoted_bambi}", bind('name=?', "Bambi".mb_chars) assert_equal "name=#{quoted_bambi_and_thumper}", bind('name=?', "Bambi\nand\nThumper".mb_chars) end def test_bind_record o = Struct.new(:quoted_id).new(1) assert_equal '1', bind('?', o) os = [o] * 3 assert_equal '1,1,1', bind('?', os) end def test_named_bind_with_postgresql_type_casts l = Proc.new { bind(":a::integer '2009-01-01'::date", :a => '10') } assert_nothing_raised(&l) assert_equal "#{ActiveRecord::Base.quote_value('10')}::integer '2009-01-01'::date", l.call end def test_string_sanitation assert_not_equal "'something ' 1=1'", ActiveRecord::Base.sanitize("something ' 1=1") assert_equal "'something; select table'", ActiveRecord::Base.sanitize("something; select table") end def test_count_by_sql assert_equal(0, Entrant.count_by_sql("SELECT COUNT(*) FROM entrants WHERE id > 3")) assert_equal(1, Entrant.count_by_sql(["SELECT COUNT(*) FROM entrants WHERE id > ?", 2])) assert_equal(2, Entrant.count_by_sql(["SELECT COUNT(*) FROM entrants WHERE id > ?", 1])) end def test_find_by_one_attribute assert_equal topics(:first), Topic.find_by_title("The First Topic") assert_nil Topic.find_by_title("The First Topic!") end def test_find_by_one_attribute_bang assert_equal topics(:first), Topic.find_by_title!("The First Topic") assert_raise(ActiveRecord::RecordNotFound) { Topic.find_by_title!("The First Topic!") } end def test_find_by_one_attribute_that_is_an_alias assert_equal topics(:first), Topic.find_by_heading("The First Topic") assert_nil Topic.find_by_heading("The First Topic!") end def test_find_by_one_attribute_bang_with_blank_defined blank_topic = BlankTopic.create(title: "The Blank One") assert_equal blank_topic, BlankTopic.find_by_title!("The Blank One") end def test_find_by_one_attribute_with_conditions assert_equal accounts(:rails_core_account), Account.where('firm_id = ?', 6).find_by_credit_limit(50) end def test_find_by_one_attribute_that_is_an_aggregate address = customers(:david).address assert_kind_of Address, address found_customer = Customer.find_by_address(address) assert_equal customers(:david), found_customer end def test_find_by_one_attribute_that_is_an_aggregate_with_one_attribute_difference address = customers(:david).address assert_kind_of Address, address missing_address = Address.new(address.street, address.city, address.country + "1") assert_nil Customer.find_by_address(missing_address) missing_address = Address.new(address.street, address.city + "1", address.country) assert_nil Customer.find_by_address(missing_address) missing_address = Address.new(address.street + "1", address.city, address.country) assert_nil Customer.find_by_address(missing_address) end def test_find_by_two_attributes_that_are_both_aggregates balance = customers(:david).balance address = customers(:david).address assert_kind_of Money, balance assert_kind_of Address, address found_customer = Customer.find_by_balance_and_address(balance, address) assert_equal customers(:david), found_customer end def test_find_by_two_attributes_with_one_being_an_aggregate balance = customers(:david).balance assert_kind_of Money, balance found_customer = Customer.find_by_balance_and_name(balance, customers(:david).name) assert_equal customers(:david), found_customer end def test_dynamic_finder_on_one_attribute_with_conditions_returns_same_results_after_caching # ensure this test can run independently of order class << Account; self; end.send(:remove_method, :find_by_credit_limit) if Account.public_methods.include?(:find_by_credit_limit) a = Account.where('firm_id = ?', 6).find_by_credit_limit(50) assert_equal a, Account.where('firm_id = ?', 6).find_by_credit_limit(50) # find_by_credit_limit has been cached end def test_find_by_one_attribute_with_several_options assert_equal accounts(:unknown), Account.order('id DESC').where('id != ?', 3).find_by_credit_limit(50) end def test_find_by_one_missing_attribute assert_raise(NoMethodError) { Topic.find_by_undertitle("The First Topic!") } end def test_find_by_invalid_method_syntax assert_raise(NoMethodError) { Topic.fail_to_find_by_title("The First Topic") } assert_raise(NoMethodError) { Topic.find_by_title?("The First Topic") } assert_raise(NoMethodError) { Topic.fail_to_find_or_create_by_title("Nonexistent Title") } assert_raise(NoMethodError) { Topic.find_or_create_by_title?("Nonexistent Title") } end def test_find_by_two_attributes assert_equal topics(:first), Topic.find_by_title_and_author_name("The First Topic", "David") assert_nil Topic.find_by_title_and_author_name("The First Topic", "Mary") end def test_find_by_two_attributes_but_passing_only_one assert_raise(ArgumentError) { Topic.find_by_title_and_author_name("The First Topic") } end def test_find_by_nil_attribute topic = Topic.find_by_last_read nil assert_not_nil topic assert_nil topic.last_read end def test_find_by_nil_and_not_nil_attributes topic = Topic.find_by_last_read_and_author_name nil, "Mary" assert_equal "Mary", topic.author_name end def test_find_with_bad_sql assert_raise(ActiveRecord::StatementInvalid) { Topic.find_by_sql "select 1 from badtable" } end def test_find_all_with_join developers_on_project_one = Developer.all.merge!( :joins => 'LEFT JOIN developers_projects ON developers.id = developers_projects.developer_id', :where => 'project_id=1' ).to_a assert_equal 3, developers_on_project_one.length developer_names = developers_on_project_one.map { |d| d.name } assert developer_names.include?('David') assert developer_names.include?('Jamis') end def test_joins_dont_clobber_id first = Firm.all.merge!( :joins => 'INNER JOIN companies clients ON clients.firm_id = companies.id', :where => 'companies.id = 1' ).first assert_equal 1, first.id end def test_joins_with_string_array person_with_reader_and_post = Post.all.merge!( :joins => [ "INNER JOIN categorizations ON categorizations.post_id = posts.id", "INNER JOIN categories ON categories.id = categorizations.category_id AND categories.type = 'SpecialCategory'" ] ) assert_equal 1, person_with_reader_and_post.size end def test_find_by_id_with_conditions_with_or assert_nothing_raised do Post.where("posts.id <= 3 OR posts.#{QUOTED_TYPE} = 'Post'").find([1,2,3]) end end # http://dev.rubyonrails.org/ticket/6778 def test_find_ignores_previously_inserted_record Post.create!(:title => 'test', :body => 'it out') assert_equal [], Post.where(id: nil) end def test_find_by_empty_ids assert_equal [], Post.find([]) end def test_find_by_empty_in_condition assert_equal [], Post.where('id in (?)', []) end def test_find_by_records p1, p2 = Post.all.merge!(:limit => 2, :order => 'id asc').to_a assert_equal [p1, p2], Post.all.merge!(:where => ['id in (?)', [p1, p2]], :order => 'id asc') assert_equal [p1, p2], Post.all.merge!(:where => ['id in (?)', [p1, p2.id]], :order => 'id asc') end def test_select_value assert_equal "37signals", Company.connection.select_value("SELECT name FROM companies WHERE id = 1") assert_nil Company.connection.select_value("SELECT name FROM companies WHERE id = -1") # make sure we didn't break count... assert_equal 0, Company.count_by_sql("SELECT COUNT(*) FROM companies WHERE name = 'Halliburton'") assert_equal 1, Company.count_by_sql("SELECT COUNT(*) FROM companies WHERE name = '37signals'") end def test_select_values assert_equal ["1","2","3","4","5","6","7","8","9", "10"], Company.connection.select_values("SELECT id FROM companies ORDER BY id").map! { |i| i.to_s } assert_equal ["37signals","Summit","Microsoft", "Flamboyant Software", "Ex Nihilo", "RailsCore", "Leetsoft", "Jadedpixel", "Odegy", "Ex Nihilo Part Deux"], Company.connection.select_values("SELECT name FROM companies ORDER BY id") end def test_select_rows assert_equal( [["1", "1", nil, "37signals"], ["2", "1", "2", "Summit"], ["3", "1", "1", "Microsoft"]], Company.connection.select_rows("SELECT id, firm_id, client_of, name FROM companies WHERE id IN (1,2,3) ORDER BY id").map! {|i| i.map! {|j| j.to_s unless j.nil?}}) assert_equal [["1", "37signals"], ["2", "Summit"], ["3", "Microsoft"]], Company.connection.select_rows("SELECT id, name FROM companies WHERE id IN (1,2,3) ORDER BY id").map! {|i| i.map! {|j| j.to_s unless j.nil?}} end def test_find_with_order_on_included_associations_with_construct_finder_sql_for_association_limiting_and_is_distinct assert_equal 2, Post.all.merge!(:includes => { :authors => :author_address }, :order => 'author_addresses.id DESC ', :limit => 2).to_a.size assert_equal 3, Post.all.merge!(:includes => { :author => :author_address, :authors => :author_address}, :order => 'author_addresses_authors.id DESC ', :limit => 3).to_a.size end def test_find_with_nil_inside_set_passed_for_one_attribute client_of = Company.all.merge!( :where => { :client_of => [2, 1, nil], :name => ['37signals', 'Summit', 'Microsoft'] }, :order => 'client_of DESC' ).map { |x| x.client_of } assert client_of.include?(nil) assert_equal [2, 1].sort, client_of.compact.sort end def test_find_with_nil_inside_set_passed_for_attribute client_of = Company.all.merge!( :where => { :client_of => [nil] }, :order => 'client_of DESC' ).map { |x| x.client_of } assert_equal [], client_of.compact end def test_with_limiting_with_custom_select posts = Post.references(:authors).merge( :includes => :author, :select => ' posts.*, authors.id as "author_id"', :limit => 3, :order => 'posts.id' ).to_a assert_equal 3, posts.size assert_equal [0, 1, 1], posts.map(&:author_id).sort end def test_find_one_message_with_custom_primary_key Toy.primary_key = :name begin Toy.find 'Hello World!' rescue ActiveRecord::RecordNotFound => e assert_equal 'Couldn\'t find Toy with name=Hello World!', e.message end end def test_finder_with_offset_string assert_nothing_raised(ActiveRecord::StatementInvalid) { Topic.all.merge!(:offset => "3").to_a } end protected def bind(statement, *vars) if vars.first.is_a?(Hash) ActiveRecord::Base.send(:replace_named_bind_variables, statement, vars.first) else ActiveRecord::Base.send(:replace_bind_variables, statement, vars) end end def with_env_tz(new_tz = 'US/Eastern') old_tz, ENV['TZ'] = ENV['TZ'], new_tz yield ensure old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ') end def with_active_record_default_timezone(zone) old_zone, ActiveRecord::Base.default_timezone = ActiveRecord::Base.default_timezone, zone yield ensure ActiveRecord::Base.default_timezone = old_zone end end