JezK
Edit File: finder_test.rb
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/developer' require 'models/customer' require 'models/job' require 'models/categorization' class DynamicFinderMatchTest < ActiveRecord::TestCase def test_find_no_match assert_nil ActiveRecord::DynamicFinderMatch.match("not_a_finder") end def test_find_by match = ActiveRecord::DynamicFinderMatch.match("find_by_age_and_sex_and_location") assert_not_nil match assert match.finder? assert_equal :first, match.finder assert_equal %w(age sex location), match.attribute_names end def find_by_bang match = ActiveRecord::DynamicFinderMatch.match("find_by_age_and_sex_and_location!") assert_not_nil match assert match.finder? assert match.bang? assert_equal :first, match.finder assert_equal %w(age sex location), match.attribute_names end def test_find_all_by match = ActiveRecord::DynamicFinderMatch.match("find_all_by_age_and_sex_and_location") assert_not_nil match assert match.finder? assert_equal :all, match.finder assert_equal %w(age sex location), match.attribute_names end def test_find_or_initialize_by match = ActiveRecord::DynamicFinderMatch.match("find_or_initialize_by_age_and_sex_and_location") assert_not_nil match assert !match.finder? assert match.instantiator? assert_equal :first, match.finder assert_equal :new, match.instantiator assert_equal %w(age sex location), match.attribute_names end def test_find_or_create_by match = ActiveRecord::DynamicFinderMatch.match("find_or_create_by_age_and_sex_and_location") assert_not_nil match assert !match.finder? assert match.instantiator? assert_equal :first, match.finder assert_equal :create, match.instantiator assert_equal %w(age sex location), match.attribute_names end end class FinderTest < ActiveRecord::TestCase fixtures :companies, :topics, :entrants, :developers, :developers_projects, :posts, :comments, :accounts, :authors, :customers 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) 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_returns_true_with_one_record_and_no_args assert Topic.exists? end def test_does_not_exist_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_with_scoped_include Developer.with_scope(:find => { :include => :projects, :order => "projects.name" }) do assert Developer.exists? end 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.find([1,3,2], :limit => 2).size assert_equal 1, Entrant.find([1,3,2], :limit => 3, :offset => 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.find :all last_devs = Developer.find devs.map(&:id), :limit => 3, :offset => 9 assert_equal 2, last_devs.size end def test_find_an_empty_array assert_equal [], Topic.find([]) end def test_find_by_ids_missing_one assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, 2, 45) } end def test_find_all_with_limit assert_equal(2, Entrant.find(:all, :limit => 2).size) assert_equal(0, Entrant.find(:all, :limit => 0).size) end def test_find_all_with_prepared_limit_and_offset entrants = Entrant.find(:all, :order => "id ASC", :limit => 2, :offset => 1) assert_equal(2, entrants.size) assert_equal(entrants(:second).name, entrants.first.name) assert_equal 3, Entrant.count entrants = Entrant.find(:all, :order => "id ASC", :limit => 2, :offset => 2) assert_equal(1, entrants.size) assert_equal(entrants(:third).name, entrants.first.name) end def test_find_all_with_limit_and_offset_and_multiple_order_clauses first_three_posts = Post.find :all, :order => 'author_id, id', :limit => 3, :offset => 0 second_three_posts = Post.find :all, :order => ' author_id,id ', :limit => 3, :offset => 3 last_posts = Post.find :all, :order => ' author_id, id ', :limit => 3, :offset => 6 assert_equal [[0,3],[1,1],[1,2]], first_three_posts.map { |p| [p.author_id, p.id] } assert_equal [[1,4],[1,5],[1,6]], second_three_posts.map { |p| [p.author_id, p.id] } assert_equal [[2,7]], last_posts.map { |p| [p.author_id, p.id] } end def test_find_with_group developers = Developer.find(:all, :group => "salary", :select => "salary") assert_equal 4, developers.size assert_equal 4, developers.map(&:salary).uniq.size end def test_find_with_group_and_having developers = Developer.find(:all, :group => "salary", :having => "sum(salary) > 10000", :select => "salary") 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_group_and_sanitized_having developers = Developer.find(:all, :group => "salary", :having => ["sum(salary) > ?", 10000], :select => "salary") 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_find_first first = Topic.find(:first, :conditions => "title = 'The First Topic'") assert_equal(topics(:first).title, first.title) end def test_find_first_failing first = Topic.find(:first, :conditions => "title = 'The First Topic!'") assert_nil(first) end def test_first assert_equal topics(:second).title, Topic.first(:conditions => "title = 'The Second Topic of the day'").title end def test_first_failing assert_nil Topic.first(:conditions => "title = 'The Second Topic of the day!'") 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.find(1, :select => "author_name") assert_raise(ActiveRecord::MissingAttributeError) {topic.title} assert_equal "David", topic.author_name assert !topic.attribute_present?("title") #assert !topic.respond_to?("title") assert topic.attribute_present?("author_name") assert topic.respond_to?("author_name") end def test_find_on_blank_conditions [nil, " ", [], {}].each do |blank| assert_nothing_raised { Topic.find(:first, :conditions => blank) } end end def test_find_on_blank_bind_conditions [ [""], ["",{}] ].each do |blank| assert_nothing_raised { Topic.find(:first, :conditions => blank) } end end def test_find_on_array_conditions assert Topic.find(1, :conditions => ["approved = ?", false]) assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => ["approved = ?", true]) } end def test_find_on_hash_conditions assert Topic.find(1, :conditions => { :approved => false }) assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { :approved => true }) } end def test_find_on_hash_conditions_with_explicit_table_name assert Topic.find(1, :conditions => { 'topics.approved' => false }) assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { 'topics.approved' => true }) } end def test_find_on_hash_conditions_with_hashed_table_name assert Topic.find(1, :conditions => {:topics => { :approved => false }}) assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => {:topics => { :approved => true }}) } end def test_find_with_hash_conditions_on_joined_table firms = Firm.all :joins => :account, :conditions => {: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 :joins => :account, :conditions => {: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.find(david.id, :conditions => { 'customers.name' => david.name, :address => david.address }) assert_raise(ActiveRecord::RecordNotFound) { Customer.find(david.id, :conditions => { 'customers.name' => david.name + "1", :address => david.address }) } end def test_find_on_association_proxy_conditions assert_equal [1, 2, 3, 5, 6, 7, 8, 9, 10], Comment.find_all_by_post_id(authors(:david).posts).map(&:id).sort end def test_find_on_hash_conditions_with_range assert_equal [1,2], Topic.find(:all, :conditions => { :id => 1..2 }).map(&:id).sort assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { :id => 2..3 }) } end def test_find_on_hash_conditions_with_end_exclusive_range assert_equal [1,2,3], Topic.find(:all, :conditions => { :id => 1..3 }).map(&:id).sort assert_equal [1,2], Topic.find(:all, :conditions => { :id => 1...3 }).map(&:id).sort assert_raise(ActiveRecord::RecordNotFound) { Topic.find(3, :conditions => { :id => 2...3 }) } end def test_find_on_hash_conditions_with_multiple_ranges assert_equal [1,2,3], Comment.find(:all, :conditions => { :id => 1..3, :post_id => 1..2 }).map(&:id).sort assert_equal [1], Comment.find(:all, :conditions => { :id => 1..1, :post_id => 1..10 }).map(&:id).sort end def test_find_on_multiple_hash_conditions assert Topic.find(1, :conditions => { :author_name => "David", :title => "The First Topic", :replies_count => 1, :approved => false }) assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { :author_name => "David", :title => "The First Topic", :replies_count => 1, :approved => true }) } assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { :author_name => "David", :title => "HHC", :replies_count => 1, :approved => false }) } assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { :author_name => "David", :title => "The First Topic", :replies_count => 1, :approved => true }) } end def test_condition_interpolation assert_kind_of Firm, Company.find(:first, :conditions => ["name = '%s'", "37signals"]) assert_nil Company.find(:first, :conditions => ["name = '%s'", "37signals!"]) assert_nil Company.find(:first, :conditions => ["name = '%s'", "37signals!' OR 1=1"]) assert_kind_of Time, Topic.find(:first, :conditions => ["id = %d", 1]).written_on end def test_condition_array_interpolation assert_kind_of Firm, Company.find(:first, :conditions => ["name = '%s'", "37signals"]) assert_nil Company.find(:first, :conditions => ["name = '%s'", "37signals!"]) assert_nil Company.find(:first, :conditions => ["name = '%s'", "37signals!' OR 1=1"]) assert_kind_of Time, Topic.find(:first, :conditions => ["id = %d", 1]).written_on end def test_condition_hash_interpolation assert_kind_of Firm, Company.find(:first, :conditions => { :name => "37signals"}) assert_nil Company.find(:first, :conditions => { :name => "37signals!"}) assert_kind_of Time, Topic.find(:first, :conditions => {:id => 1}).written_on end def test_hash_condition_find_malformed assert_raise(ActiveRecord::StatementInvalid) { Company.find(:first, :conditions => { :id => 2, :dhh => true }) } end def test_hash_condition_find_with_escaped_characters Company.create("name" => "Ain't noth'n like' \#stuff") assert Company.find(:first, :conditions => { :name => "Ain't noth'n like' \#stuff" }) end def test_hash_condition_find_with_array p1, p2 = Post.find(:all, :limit => 2, :order => 'id asc') assert_equal [p1, p2], Post.find(:all, :conditions => { :id => [p1, p2] }, :order => 'id asc') assert_equal [p1, p2], Post.find(:all, :conditions => { :id => [p1, p2.id] }, :order => 'id asc') end def test_hash_condition_find_with_nil topic = Topic.find(:first, :conditions => { :last_read => nil } ) 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.find(:first, :conditions => {:balance => balance}) 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.find(:first, :conditions => {:gps_location => gps_location}) 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.find(:first, :conditions => {:balance => balance.amount}) 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.find(:first, :conditions => {:gps_location => gps_location.gps_location}) 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.find(:first, :conditions => {:address => address}) 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.find(:first, :conditions => {:address => address, :name => customers(:david).name}) assert_equal customers(:david), found_customer end def test_bind_variables assert_kind_of Firm, Company.find(:first, :conditions => ["name = ?", "37signals"]) assert_nil Company.find(:first, :conditions => ["name = ?", "37signals!"]) assert_nil Company.find(:first, :conditions => ["name = ?", "37signals!' OR 1=1"]) assert_kind_of Time, Topic.find(:first, :conditions => ["id = ?", 1]).written_on assert_raise(ActiveRecord::PreparedStatementInvalid) { Company.find(:first, :conditions => ["id=? AND name = ?", 2]) } assert_raise(ActiveRecord::PreparedStatementInvalid) { Company.find(:first, :conditions => ["id=?", 2, 3, 4]) } end def test_bind_variables_with_quotes Company.create("name" => "37signals' go'es agains") assert Company.find(:first, :conditions => ["name = ?", "37signals' go'es agains"]) end def test_named_bind_variables_with_quotes Company.create("name" => "37signals' go'es agains") assert Company.find(:first, :conditions => ["name = :name", {:name => "37signals' go'es agains"}]) 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.find(:first, :conditions => ["name = :name", { :name => "37signals" }]) assert_nil Company.find(:first, :conditions => ["name = :name", { :name => "37signals!" }]) assert_nil Company.find(:first, :conditions => ["name = :name", { :name => "37signals!' OR 1=1" }]) assert_kind_of Time, Topic.find(:first, :conditions => ["id = :id", { :id => 1 }]).written_on 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)) # ' require 'set' assert_equal '1,2,3', bind('?', Set.new([1, 2, 3])) assert_equal quoted_abc, bind('?', Set.new(%w(a b c))) assert_equal '1,2,3', bind(':a', :a => Set.new([1, 2, 3])) assert_equal quoted_abc, bind(':a', :a => Set.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_string assert_equal ActiveRecord::Base.connection.quote(''), 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 "#{ActiveRecord::Base.connection.quoted_string_prefix}'something ' 1=1'", ActiveRecord::Base.sanitize("something ' 1=1") assert_equal "#{ActiveRecord::Base.connection.quoted_string_prefix}'something; select table'", ActiveRecord::Base.sanitize("something; select table") end def test_count assert_equal(0, Entrant.count(:conditions => "id > 3")) assert_equal(1, Entrant.count(:conditions => ["id > ?", 2])) assert_equal(2, Entrant.count(:conditions => ["id > ?", 1])) 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_dynamic_finders_should_go_through_the_find_class_method Topic.expects(:find).with(:first, :conditions => { :title => 'The First Topic!' }) Topic.find_by_title("The First Topic!") Topic.expects(:find).with(:last, :conditions => { :title => 'The Last Topic!' }) Topic.find_last_by_title("The Last Topic!") Topic.expects(:find).with(:all, :conditions => { :title => 'A Topic.' }) Topic.find_all_by_title("A Topic.") Topic.expects(:find).with(:first, :conditions => { :title => 'Does not exist yet for sure!' }).times(2) Topic.find_or_initialize_by_title('Does not exist yet for sure!') Topic.find_or_create_by_title('Does not exist yet for sure!') 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_caches_dynamic_finder # ensure this test can run independently of order class << Topic; self; end.send(:remove_method, :find_by_title) if Topic.public_methods.any? { |m| m.to_s == 'find_by_title' } assert !Topic.public_methods.any? { |m| m.to_s == 'find_by_title' } t = Topic.find_by_title("The First Topic") assert Topic.public_methods.any? { |m| m.to_s == 'find_by_title' } end def test_dynamic_finder_returns_same_results_after_caching # ensure this test can run independently of order class << Topic; self; end.send(:remove_method, :find_by_title) if Topic.public_method_defined?(:find_by_title) t = Topic.find_by_title("The First Topic") assert_equal t, Topic.find_by_title("The First Topic") # find_by_title has been cached end def test_find_by_one_attribute_with_order_option assert_equal accounts(:signals37), Account.find_by_credit_limit(50, :order => 'id') assert_equal accounts(:rails_core_account), Account.find_by_credit_limit(50, :order => 'id DESC') end def test_find_by_one_attribute_with_conditions assert_equal accounts(:rails_core_account), Account.find_by_credit_limit(50, :conditions => ['firm_id = ?', 6]) 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_caches_method # ensure this test can run independently of order class << Account; self; end.send(:remove_method, :find_by_credit_limit) if Account.public_methods.any? { |m| m.to_s == 'find_by_credit_limit' } assert !Account.public_methods.any? { |m| m.to_s == 'find_by_credit_limit' } a = Account.find_by_credit_limit(50, :conditions => ['firm_id = ?', 6]) assert Account.public_methods.any? { |m| m.to_s == 'find_by_credit_limit' } 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.any? { |m| m.to_s == 'find_by_credit_limit' } a = Account.find_by_credit_limit(50, :conditions => ['firm_id = ?', 6]) assert_equal a, Account.find_by_credit_limit(50, :conditions => ['firm_id = ?', 6]) # find_by_credit_limit has been cached end def test_find_by_one_attribute_with_several_options assert_equal accounts(:unknown), Account.find_by_credit_limit(50, :order => 'id DESC', :conditions => ['id != ?', 3]) 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_last_by_one_attribute assert_equal Topic.last, Topic.find_last_by_title(Topic.last.title) assert_nil Topic.find_last_by_title("A title with no matches") end def test_find_last_by_one_attribute_caches_dynamic_finder # ensure this test can run independently of order class << Topic; self; end.send(:remove_method, :find_last_by_title) if Topic.public_methods.any? { |m| m.to_s == 'find_last_by_title' } assert !Topic.public_methods.any? { |m| m.to_s == 'find_last_by_title' } t = Topic.find_last_by_title(Topic.last.title) assert Topic.public_methods.any? { |m| m.to_s == 'find_last_by_title' } end def test_find_last_by_invalid_method_syntax assert_raise(NoMethodError) { Topic.fail_to_find_last_by_title("The First Topic") } assert_raise(NoMethodError) { Topic.find_last_by_title?("The First Topic") } end def test_find_last_by_one_attribute_with_several_options assert_equal accounts(:signals37), Account.find_last_by_credit_limit(50, :order => 'id DESC', :conditions => ['id != ?', 3]) end def test_find_last_by_one_missing_attribute assert_raise(NoMethodError) { Topic.find_last_by_undertitle("The Last Topic!") } end def test_find_last_by_two_attributes topic = Topic.last assert_equal topic, Topic.find_last_by_title_and_author_name(topic.title, topic.author_name) assert_nil Topic.find_last_by_title_and_author_name(topic.title, "Anonymous") end def test_find_all_by_one_attribute topics = Topic.find_all_by_content("Have a nice day") assert_equal 2, topics.size assert topics.include?(topics(:first)) assert_equal [], Topic.find_all_by_title("The First Topic!!") end def test_find_all_by_one_attribute_that_is_an_aggregate balance = customers(:david).balance assert_kind_of Money, balance found_customers = Customer.find_all_by_balance(balance) assert_equal 1, found_customers.size assert_equal customers(:david), found_customers.first end def test_find_all_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_customers = Customer.find_all_by_balance_and_address(balance, address) assert_equal 1, found_customers.size assert_equal customers(:david), found_customers.first end def test_find_all_by_two_attributes_with_one_being_an_aggregate balance = customers(:david).balance assert_kind_of Money, balance found_customers = Customer.find_all_by_balance_and_name(balance, customers(:david).name) assert_equal 1, found_customers.size assert_equal customers(:david), found_customers.first end def test_find_all_by_one_attribute_with_options topics = Topic.find_all_by_content("Have a nice day", :order => "id DESC") assert topics(:first), topics.last topics = Topic.find_all_by_content("Have a nice day", :order => "id") assert topics(:first), topics.first end def test_find_all_by_array_attribute assert_equal 2, Topic.find_all_by_title(["The First Topic", "The Second Topic of the day"]).size end def test_find_all_by_boolean_attribute topics = Topic.find_all_by_approved(false) assert_equal 1, topics.size assert topics.include?(topics(:first)) topics = Topic.find_all_by_approved(true) assert_equal 3, topics.size assert topics.include?(topics(:second)) 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_all_by_nil_attribute topics = Topic.find_all_by_last_read nil assert_equal 3, topics.size assert topics.collect(&:last_read).all?(&:nil?) 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_all_by_nil_and_not_nil_attributes topics = Topic.find_all_by_last_read_and_author_name nil, "Mary" assert_equal 1, topics.size assert_equal "Mary", topics[0].author_name end def test_find_or_create_from_one_attribute number_of_companies = Company.count sig38 = Company.find_or_create_by_name("38signals") assert_equal number_of_companies + 1, Company.count assert_equal sig38, Company.find_or_create_by_name("38signals") assert !sig38.new_record? end def test_find_or_create_from_two_attributes number_of_topics = Topic.count another = Topic.find_or_create_by_title_and_author_name("Another topic","John") assert_equal number_of_topics + 1, Topic.count assert_equal another, Topic.find_or_create_by_title_and_author_name("Another topic", "John") assert !another.new_record? end def test_find_or_create_from_two_attributes_with_one_being_an_aggregate number_of_customers = Customer.count created_customer = Customer.find_or_create_by_balance_and_name(Money.new(123), "Elizabeth") assert_equal number_of_customers + 1, Customer.count assert_equal created_customer, Customer.find_or_create_by_balance(Money.new(123), "Elizabeth") assert !created_customer.new_record? end def test_find_or_create_from_one_attribute_and_hash number_of_companies = Company.count sig38 = Company.find_or_create_by_name({:name => "38signals", :firm_id => 17, :client_of => 23}) assert_equal number_of_companies + 1, Company.count assert_equal sig38, Company.find_or_create_by_name({:name => "38signals", :firm_id => 17, :client_of => 23}) assert !sig38.new_record? assert_equal "38signals", sig38.name assert_equal 17, sig38.firm_id assert_equal 23, sig38.client_of end def test_find_or_create_from_one_aggregate_attribute number_of_customers = Customer.count created_customer = Customer.find_or_create_by_balance(Money.new(123)) assert_equal number_of_customers + 1, Customer.count assert_equal created_customer, Customer.find_or_create_by_balance(Money.new(123)) assert !created_customer.new_record? end def test_find_or_create_from_one_aggregate_attribute_and_hash number_of_customers = Customer.count balance = Money.new(123) name = "Elizabeth" created_customer = Customer.find_or_create_by_balance({:balance => balance, :name => name}) assert_equal number_of_customers + 1, Customer.count assert_equal created_customer, Customer.find_or_create_by_balance({:balance => balance, :name => name}) assert !created_customer.new_record? assert_equal balance, created_customer.balance assert_equal name, created_customer.name end def test_find_or_initialize_from_one_attribute sig38 = Company.find_or_initialize_by_name("38signals") assert_equal "38signals", sig38.name assert sig38.new_record? end def test_find_or_initialize_from_one_aggregate_attribute new_customer = Customer.find_or_initialize_by_balance(Money.new(123)) assert_equal 123, new_customer.balance.amount assert new_customer.new_record? end def test_find_or_initialize_from_one_attribute_should_not_set_attribute_even_when_protected c = Company.find_or_initialize_by_name({:name => "Fortune 1000", :rating => 1000}) assert_equal "Fortune 1000", c.name assert_not_equal 1000, c.rating assert c.valid? assert c.new_record? end def test_find_or_create_from_one_attribute_should_set_not_attribute_even_when_protected c = Company.find_or_create_by_name({:name => "Fortune 1000", :rating => 1000}) assert_equal "Fortune 1000", c.name assert_not_equal 1000, c.rating assert c.valid? assert !c.new_record? end def test_find_or_initialize_from_one_attribute_should_set_attribute_even_when_protected c = Company.find_or_initialize_by_name_and_rating("Fortune 1000", 1000) assert_equal "Fortune 1000", c.name assert_equal 1000, c.rating assert c.valid? assert c.new_record? end def test_find_or_create_from_one_attribute_should_set_attribute_even_when_protected c = Company.find_or_create_by_name_and_rating("Fortune 1000", 1000) assert_equal "Fortune 1000", c.name assert_equal 1000, c.rating assert c.valid? assert !c.new_record? end def test_find_or_initialize_should_set_protected_attributes_if_given_as_block c = Company.find_or_initialize_by_name(:name => "Fortune 1000") { |f| f.rating = 1000 } assert_equal "Fortune 1000", c.name assert_equal 1000.to_f, c.rating.to_f assert c.valid? assert c.new_record? end def test_find_or_create_should_set_protected_attributes_if_given_as_block c = Company.find_or_create_by_name(:name => "Fortune 1000") { |f| f.rating = 1000 } assert_equal "Fortune 1000", c.name assert_equal 1000.to_f, c.rating.to_f assert c.valid? assert !c.new_record? end def test_find_or_create_should_work_with_block_on_first_call class << Company undef_method(:find_or_create_by_name) if method_defined?(:find_or_create_by_name) end c = Company.find_or_create_by_name(:name => "Fortune 1000") { |f| f.rating = 1000 } assert_equal "Fortune 1000", c.name assert_equal 1000.to_f, c.rating.to_f assert c.valid? assert !c.new_record? end def test_dynamic_find_or_initialize_from_one_attribute_caches_method class << Company; self; end.send(:remove_method, :find_or_initialize_by_name) if Company.public_methods.any? { |m| m.to_s == 'find_or_initialize_by_name' } assert !Company.public_methods.any? { |m| m.to_s == 'find_or_initialize_by_name' } sig38 = Company.find_or_initialize_by_name("38signals") assert Company.public_methods.any? { |m| m.to_s == 'find_or_initialize_by_name' } end def test_find_or_initialize_from_two_attributes another = Topic.find_or_initialize_by_title_and_author_name("Another topic","John") assert_equal "Another topic", another.title assert_equal "John", another.author_name assert another.new_record? end def test_find_or_initialize_from_one_aggregate_attribute_and_one_not new_customer = Customer.find_or_initialize_by_balance_and_name(Money.new(123), "Elizabeth") assert_equal 123, new_customer.balance.amount assert_equal "Elizabeth", new_customer.name assert new_customer.new_record? end def test_find_or_initialize_from_one_attribute_and_hash sig38 = Company.find_or_initialize_by_name({:name => "38signals", :firm_id => 17, :client_of => 23}) assert_equal "38signals", sig38.name assert_equal 17, sig38.firm_id assert_equal 23, sig38.client_of assert sig38.new_record? end def test_find_or_initialize_from_one_aggregate_attribute_and_hash balance = Money.new(123) name = "Elizabeth" new_customer = Customer.find_or_initialize_by_balance({:balance => balance, :name => name}) assert_equal balance, new_customer.balance assert_equal name, new_customer.name assert new_customer.new_record? end def test_find_with_bad_sql assert_raise(ActiveRecord::StatementInvalid) { Topic.find_by_sql "select 1 from badtable" } end def test_find_with_invalid_params assert_raise(ArgumentError) { Topic.find :first, :join => "It should be `joins'" } assert_raise(ArgumentError) { Topic.find :first, :conditions => '1 = 1', :join => "It should be `joins'" } end def test_dynamic_finder_with_invalid_params assert_raise(ArgumentError) { Topic.find_by_title 'No Title', :join => "It should be `joins'" } end def test_find_all_with_join developers_on_project_one = Developer.find( :all, :joins => 'LEFT JOIN developers_projects ON developers.id = developers_projects.developer_id', :conditions => 'project_id=1' ) 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.find( :first, :joins => 'INNER JOIN companies AS clients ON clients.firm_id = companies.id', :conditions => 'companies.id = 1' ) assert_equal 1, first.id end def test_joins_with_string_array person_with_reader_and_post = Post.find( :all, :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.find([1,2,3], :conditions => "posts.id <= 3 OR posts.#{QUOTED_TYPE} = 'Post'") end end # http://dev.rubyonrails.org/ticket/6778 def test_find_ignores_previously_inserted_record post = Post.create!(:title => 'test', :body => 'it out') assert_equal [], Post.find_all_by_id(nil) end def test_find_by_empty_ids assert_equal [], Post.find([]) end def test_find_by_empty_in_condition assert_equal [], Post.find(:all, :conditions => ['id in (?)', []]) end def test_find_by_records p1, p2 = Post.find(:all, :limit => 2, :order => 'id asc') assert_equal [p1, p2], Post.find(:all, :conditions => ['id in (?)', [p1, p2]], :order => 'id asc') assert_equal [p1, p2], Post.find(:all, :conditions => ['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"], 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"], Company.connection.select_values("SELECT name FROM companies ORDER BY id") end def test_select_rows assert_equal( [["1", nil, 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.find(:all, :include => { :authors => :author_address }, :order => ' author_addresses.id DESC ', :limit => 2).size assert_equal 3, Post.find(:all, :include => { :author => :author_address, :authors => :author_address}, :order => ' author_addresses_authors.id DESC ', :limit => 3).size end def test_with_limiting_with_custom_select posts = Post.find(:all, :include => :author, :select => ' posts.*, authors.id as "author_id"', :limit => 3, :order => 'posts.id') assert_equal 3, posts.size assert_equal [0, 1, 1], posts.map(&:author_id).sort end def test_finder_with_scoped_from all_topics = Topic.all Topic.with_scope(:find => { :from => 'fake_topics' }) do assert_equal all_topics, Topic.all(:from => 'topics') end 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 end