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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_by_id_with_hash
assert_raises(ActiveRecord::StatementInvalid) do
Post.find_by_id(:limit => 1)
end
end
def test_find_by_title_and_id_with_hash
assert_raises(ActiveRecord::StatementInvalid) do
Post.find_by_title_and_id('foo', :limit => 1)
end
end
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_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
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