require 'abstract_unit' require 'fixtures/company' require 'fixtures/topic' require 'fixtures/entrant' require 'fixtures/developer' require 'fixtures/post' class FinderTest < Test::Unit::TestCase fixtures :companies, :topics, :entrants, :developers, :developers_projects, :posts def test_find assert_equal(topics(:first).title, Topic.find(1).title) end def test_exists assert (Topic.exists?(1)) assert !(Topic.exists?(45)) assert !(Topic.exists?("foo")) assert !(Topic.exists?([1,2])) 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).length) assert_equal(topics(:second).title, Topic.find([ 2 ]).first.title) end def test_find_an_empty_array assert_equal [], Topic.find([]) end def test_find_by_ids_missing_one assert_raises(ActiveRecord::RecordNotFound) { Topic.find(1, 2, 45) } end def test_find_all_with_limit entrants = Entrant.find(:all, :order => "id ASC", :limit => 2) assert_equal(2, entrants.size) assert_equal(entrants(:first).name, entrants.first.name) 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) 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_with_limit_and_condition developers = Developer.find(:all, :order => "id DESC", :conditions => "salary = 100000", :limit => 3, :offset =>7) assert_equal(1, developers.size) assert_equal("fixture_3", developers.first.name) 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_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_unexisting_record_exception_handling assert_raises(ActiveRecord::RecordNotFound) { Topic.find(1).parent } Topic.find(2).parent end def test_find_only_some_columns topic = Topic.find(1, :select => "author_name") assert_raises(NoMethodError) { 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_conditions assert Topic.find(1, :conditions => ["approved = ?", false]) assert_raises(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => ["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_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_raises(ActiveRecord::PreparedStatementInvalid) { Company.find(:first, :conditions => ["id=? AND name = ?", 2]) } assert_raises(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_raises(ActiveRecord::PreparedStatementInvalid) { bind '', 1 } assert_raises(ActiveRecord::PreparedStatementInvalid) { bind '?' } assert_nothing_raised { bind '?', 1 } assert_raises(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_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 assert_equal '1,2,3', bind('?', [1, 2, 3]) assert_equal %('a','b','c'), bind('?', %w(a b c)) assert_equal '1,2,3', bind(':a', :a => [1, 2, 3]) assert_equal %('a','b','c'), bind(':a', :a => %w(a b c)) # ' require 'set' assert_equal '1,2,3', bind('?', Set.new([1, 2, 3])) assert_equal %('a','b','c'), bind('?', Set.new(%w(a b c))) assert_equal '1,2,3', bind(':a', :a => Set.new([1, 2, 3])) assert_equal %('a','b','c'), bind(':a', :a => Set.new(%w(a b c))) # ' end def test_bind_string assert_equal "''", bind('?', '') 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 assert_equal(0, Entrant.count("id > 3")) assert_equal(1, Entrant.count(["id > ?", 2])) assert_equal(2, Entrant.count(["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_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_missing_attribute assert_raises(NoMethodError) { Topic.find_by_undertitle("The First Topic!") } 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_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_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's 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 1, 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 1, topics.size assert_nil topics[0].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_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") end def test_find_or_create_from_two_attributes 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") end def test_find_with_bad_sql assert_raises(ActiveRecord::StatementInvalid) { Topic.find_by_sql "select 1 from badtable" } end def test_find_with_invalid_params assert_raises(ArgumentError) { Topic.find :first, :join => "It should be `joins'" } assert_raises(ArgumentError) { Topic.find :first, :conditions => '1 = 1', :join => "It should be `joins'" } end def test_find_all_with_limit first_five_developers = Developer.find :all, :order => 'id ASC', :limit => 5 assert_equal 5, first_five_developers.length assert_equal 'David', first_five_developers.first.name assert_equal 'fixture_5', first_five_developers.last.name no_developers = Developer.find :all, :order => 'id ASC', :limit => 0 assert_equal 0, no_developers.length end def test_find_all_with_limit_and_offset first_three_developers = Developer.find :all, :order => 'id ASC', :limit => 3, :offset => 0 second_three_developers = Developer.find :all, :order => 'id ASC', :limit => 3, :offset => 3 last_two_developers = Developer.find :all, :order => 'id ASC', :limit => 2, :offset => 8 assert_equal 3, first_three_developers.length assert_equal 3, second_three_developers.length assert_equal 2, last_two_developers.length assert_equal 'David', first_three_developers.first.name assert_equal 'fixture_4', second_three_developers.first.name assert_equal 'fixture_9', last_two_developers.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_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 2, 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_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 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"], 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"], Company.connection.select_values("SELECT name FROM companies ORDER BY id") 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