class FinderTest

Public Instance Methods

test_bind_variables() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 871
def test_bind_variables
  assert_kind_of Firm, Company.where(["name = ?", "37signals"]).first
  assert_nil Company.where(["name = ?", "37signals!"]).first
  assert_nil Company.where(["name = ?", "37signals!' OR 1=1"]).first
  assert_kind_of Time, Topic.where(["id = ?", 1]).first.written_on
  assert_raise(ActiveRecord::PreparedStatementInvalid) {
    Company.where(["id=? AND name = ?", 2]).first
  }
  assert_raise(ActiveRecord::PreparedStatementInvalid) {
    Company.where(["id=?", 2, 3, 4]).first
  }
end
test_bind_variables_with_quotes() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 884
def test_bind_variables_with_quotes
  Company.create("name" => "37signals' go'es against")
  assert Company.where(["name = ?", "37signals' go'es against"]).first
end
test_condition_array_interpolation() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 757
def test_condition_array_interpolation
  assert_kind_of Firm, Company.where(["name = '%s'", "37signals"]).first
  assert_nil Company.where(["name = '%s'", "37signals!"]).first
  assert_nil Company.where(["name = '%s'", "37signals!' OR 1=1"]).first
  assert_kind_of Time, Topic.where(["id = %d", 1]).first.written_on
end
test_condition_hash_interpolation() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 764
def test_condition_hash_interpolation
  assert_kind_of Firm, Company.where(name: "37signals").first
  assert_nil Company.where(name: "37signals!").first
  assert_kind_of Time, Topic.where(id: 1).first.written_on
end
test_condition_interpolation() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 750
def test_condition_interpolation
  assert_kind_of Firm, Company.where("name = '%s'", "37signals").first
  assert_nil Company.where(["name = '%s'", "37signals!"]).first
  assert_nil Company.where(["name = '%s'", "37signals!' OR 1=1"]).first
  assert_kind_of Time, Topic.where(["id = %d", 1]).first.written_on
end
test_condition_local_time_interpolation_with_default_timezone_utc() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 853
def test_condition_local_time_interpolation_with_default_timezone_utc
  with_env_tz "America/New_York" do
    with_timezone_config default: :utc do
      topic = Topic.first
      assert_equal topic, Topic.where(["written_on = ?", topic.written_on.getlocal]).first
    end
  end
end
test_condition_utc_time_interpolation_with_default_timezone_local() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 835
def test_condition_utc_time_interpolation_with_default_timezone_local
  with_env_tz "America/New_York" do
    with_timezone_config default: :local do
      topic = Topic.first
      assert_equal topic, Topic.where(["written_on = ?", topic.written_on.getutc]).first
    end
  end
end
test_count_by_sql() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 901
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
test_dynamic_finder_on_one_attribute_with_conditions_returns_same_results_after_caching() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 974
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
test_exists() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 144
def test_exists
  assert_equal true, Topic.exists?(1)
  assert_equal true, Topic.exists?("1")
  assert_equal true, Topic.exists?(title: "The First Topic")
  assert_equal true, Topic.exists?(heading: "The First Topic")
  assert_equal true, Topic.exists?(author_name: "Mary", approved: true)
  assert_equal true, Topic.exists?(["parent_id = ?", 1])
  assert_equal true, Topic.exists?(id: [1, 9999])

  assert_equal false, Topic.exists?(45)
  assert_equal false, Topic.exists?(Topic.new.id)

  assert_raise(NoMethodError) { Topic.exists?([1, 2]) }
end
test_exists_does_not_instantiate_records() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 264
def test_exists_does_not_instantiate_records
  assert_not_called(Developer, :instantiate) do
    Developer.exists?
  end
end
test_exists_does_not_select_columns_without_alias() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 183
def test_exists_does_not_select_columns_without_alias
  assert_sql(/SELECT\W+1 AS one FROM ["`]topics["`]/i) do
    Topic.exists?
  end
end
test_exists_passing_active_record_object_is_not_permitted() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 172
def test_exists_passing_active_record_object_is_not_permitted
  assert_raises(ArgumentError) do
    Topic.exists?(Topic.new)
  end
end
test_exists_returns_false_when_parameter_has_invalid_type() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 178
def test_exists_returns_false_when_parameter_has_invalid_type
  assert_equal false, Topic.exists?("foo")
  assert_equal false, Topic.exists?(("9" * 53).to_i) # number that's bigger than int
end
test_exists_returns_false_with_false_arg() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 193
def test_exists_returns_false_with_false_arg
  assert_equal false, Topic.exists?(false)
end
test_exists_returns_true_with_one_record_and_no_args() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 189
def test_exists_returns_true_with_one_record_and_no_args
  assert_equal true, Topic.exists?
end
test_exists_with_aggregate_having_three_mappings() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 252
def test_exists_with_aggregate_having_three_mappings
  existing_address = customers(:david).address
  assert_equal true, Customer.exists?(address: existing_address)
end
test_exists_with_aggregate_having_three_mappings_with_one_difference() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 257
def test_exists_with_aggregate_having_three_mappings_with_one_difference
  existing_address = customers(:david).address
  assert_equal false, Customer.exists?(address: Address.new(existing_address.street, existing_address.city, existing_address.country + "1"))
  assert_equal false, Customer.exists?(address: Address.new(existing_address.street, existing_address.city + "1", existing_address.country))
  assert_equal false, Customer.exists?(address: Address.new(existing_address.street + "1", existing_address.city, existing_address.country))
end
test_exists_with_distinct_association_includes_and_limit() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 235
def test_exists_with_distinct_association_includes_and_limit
  author = Author.first
  assert_equal false, author.unique_categorized_posts.includes(:special_comments).limit(0).exists?
  assert_equal true, author.unique_categorized_posts.includes(:special_comments).limit(1).exists?
end
test_exists_with_distinct_association_includes_limit_and_order() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 241
def test_exists_with_distinct_association_includes_limit_and_order
  author = Author.first
  assert_equal false, author.unique_categorized_posts.includes(:special_comments).order("comments.tags_count DESC").limit(0).exists?
  assert_equal true, author.unique_categorized_posts.includes(:special_comments).order("comments.tags_count DESC").limit(1).exists?
end
test_exists_with_eager_load() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 226
def test_exists_with_eager_load
  assert_equal true, Topic.eager_load(:replies).where(replies_topics: { approved: true }).order("replies_topics.created_at DESC").exists?
end
test_exists_with_empty_table_and_no_args_given() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 247
def test_exists_with_empty_table_and_no_args_given
  Topic.delete_all
  assert_equal false, Topic.exists?
end
test_exists_with_includes_limit_and_empty_result() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 230
def test_exists_with_includes_limit_and_empty_result
  assert_equal false, Topic.includes(:replies).limit(0).exists?
  assert_equal false, Topic.includes(:replies).limit(1).where("0 = 1").exists?
end
test_exists_with_joins() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 218
def test_exists_with_joins
  assert_equal true, Topic.joins(:replies).where(replies_topics: { approved: true }).order("replies_topics.created_at DESC").exists?
end
test_exists_with_left_joins() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 222
def test_exists_with_left_joins
  assert_equal true, Topic.left_joins(:replies).where(replies_topics: { approved: true }).order("replies_topics.created_at DESC").exists?
end
test_exists_with_nil_arg() click to toggle source

exists? should handle nil for id's that come from URLs and always return false (example: Topic.exists?(params)) where params is nil

# File activerecord/test/cases/finder_test.rb, line 199
def test_exists_with_nil_arg
  assert_equal false, Topic.exists?(nil)
  assert_equal true, Topic.exists?

  assert_equal false, Topic.first.replies.exists?(nil)
  assert_equal true, Topic.first.replies.exists?
end
test_exists_with_order() click to toggle source

Ensure exists? runs without an error by excluding order value.

# File activerecord/test/cases/finder_test.rb, line 214
def test_exists_with_order
  assert_equal true, Topic.order("invalid sql here").exists?
end
test_exists_with_order_and_distinct() click to toggle source

Ensure exists? runs without an error by excluding distinct value. See github.com/quails/quails/pull/26981.

# File activerecord/test/cases/finder_test.rb, line 209
def test_exists_with_order_and_distinct
  assert_equal true, Topic.order(:id).distinct.exists?
end
test_exists_with_polymorphic_relation() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 159
def test_exists_with_polymorphic_relation
  post = Post.create!(title: "Post", body: "default", taggings: [Tagging.new(comment: "tagging comment")])
  relation = Post.tagged_with_comment("tagging comment")

  assert_equal true, relation.exists?(title: ["Post"])
  assert_equal true, relation.exists?(["title LIKE ?", "Post%"])
  assert_equal true, relation.exists?
  assert_equal true, relation.exists?(post.id)
  assert_equal true, relation.exists?(post.id.to_s)

  assert_equal false, relation.exists?(false)
end
test_fifth() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 487
def test_fifth
  assert_equal topics(:fifth).title, Topic.fifth.title
end
test_fifth_have_primary_key_order_by_default() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 495
def test_fifth_have_primary_key_order_by_default
  expected = topics(:fifth)
  expected.touch # PostgreSQL changes the default order if no order clause is used
  assert_equal expected, Topic.fifth
end
test_fifth_with_offset() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 491
def test_fifth_with_offset
  assert_equal topics(:fifth), Topic.offset(0).fifth
end
test_find() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 38
def test_find
  assert_equal(topics(:first).title, Topic.find(1).title)
end
test_find_an_empty_array() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 318
def test_find_an_empty_array
  assert_equal [], Topic.find([])
end
test_find_by_and_where_consistency_with_active_record_instance() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 362
def test_find_by_and_where_consistency_with_active_record_instance
  author = authors(:david)
  assert_equal Post.where(author_id: author).take, Post.find_by(author_id: author)
end
test_find_by_array_of_one_id() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 270
def test_find_by_array_of_one_id
  assert_kind_of(Array, Topic.find([ 1 ]))
  assert_equal(1, Topic.find([ 1 ]).length)
end
test_find_by_association_subquery() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 356
def test_find_by_association_subquery
  author = authors(:david)
  assert_equal author.post, Post.find_by(author: Author.where(id: author))
  assert_equal author.post, Post.find_by(author_id: Author.where(id: author))
end
test_find_by_bang_on_relation_with_large_number() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 312
def test_find_by_bang_on_relation_with_large_number
  assert_raises(ActiveRecord::RecordNotFound) do
    Topic.where("1=1").find_by!(id: 9999999999999999999999999999999)
  end
end
test_find_by_empty_ids() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1054
def test_find_by_empty_ids
  assert_equal [], Post.find([])
end
test_find_by_empty_in_condition() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1058
def test_find_by_empty_in_condition
  assert_equal [], Post.where("id in (?)", [])
end
test_find_by_id_with_conditions_with_or() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1043
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
test_find_by_id_with_hash() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 26
def test_find_by_id_with_hash
  assert_nothing_raised do
    Post.find_by_id(limit: 1)
  end
end
test_find_by_id_with_large_number() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 304
def test_find_by_id_with_large_number
  assert_nil Topic.find_by_id("9999999999999999999999999999999")
end
test_find_by_ids() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 275
def test_find_by_ids
  assert_equal 2, Topic.find(1, 2).size
  assert_equal topics(:second).title, Topic.find([2]).first.title
end
test_find_by_ids_missing_one() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 326
def test_find_by_ids_missing_one
  assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, 2, 45) }
end
test_find_by_ids_with_limit_and_offset() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 280
def test_find_by_ids_with_limit_and_offset
  assert_equal 2, Entrant.limit(2).find([1, 3, 2]).size
  entrants = Entrant.limit(3).offset(2).find([1, 3, 2])
  assert_equal 1, entrants.size
  assert_equal "Ruby Guru", entrants.first.name

  # 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.limit(3).offset(9).find devs.map(&:id)
  assert_equal 2, last_devs.size
  assert_equal "fixture_10", last_devs[0].name
  assert_equal "Jamis", last_devs[1].name
end
test_find_by_invalid_method_syntax() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 989
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
test_find_by_nil_and_not_nil_attributes() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1019
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
test_find_by_nil_attribute() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1013
def test_find_by_nil_attribute
  topic = Topic.find_by_last_read nil
  assert_not_nil topic
  assert_nil topic.last_read
end
test_find_by_on_attribute_that_is_a_reserved_word() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 919
def test_find_by_on_attribute_that_is_a_reserved_word
  dog_alias = "Dog"
  dog = Dog.create(alias: dog_alias)

  assert_equal dog, Dog.find_by_alias(dog_alias)
end
test_find_by_one_attribute() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 907
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
test_find_by_one_attribute_bang() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 912
def test_find_by_one_attribute_bang
  assert_equal topics(:first), Topic.find_by_title!("The First Topic")
  assert_raises_with_message(ActiveRecord::RecordNotFound, "Couldn't find Topic") do
    Topic.find_by_title!("The First Topic!")
  end
end
test_find_by_one_attribute_bang_with_blank_defined() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 931
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
test_find_by_one_attribute_that_is_an_aggregate() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 940
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
test_find_by_one_attribute_that_is_an_aggregate_with_one_attribute_difference() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 947
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
test_find_by_one_attribute_that_is_an_alias() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 926
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
test_find_by_one_attribute_with_conditions() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 936
def test_find_by_one_attribute_with_conditions
  assert_equal accounts(:quails_core_account), Account.where("firm_id = ?", 6).find_by_credit_limit(50)
end
test_find_by_one_attribute_with_several_options() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 981
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
test_find_by_one_missing_attribute() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 985
def test_find_by_one_missing_attribute
  assert_raise(NoMethodError) { Topic.find_by_undertitle("The First Topic!") }
end
test_find_by_records() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1062
def test_find_by_records
  p1, p2 = Post.limit(2).order("id asc").to_a
  assert_equal [p1, p2], Post.where(["id in (?)", [p1, p2]]).order("id asc")
  assert_equal [p1, p2], Post.where(["id in (?)", [p1, p2.id]]).order("id asc")
end
test_find_by_sql_with_sti_on_joined_table() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 351
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
test_find_by_title_and_id_with_hash() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 32
def test_find_by_title_and_id_with_hash
  assert_nothing_raised do
    Post.find_by_title_and_id("foo", limit: 1)
  end
end
test_find_by_two_attributes() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 996
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
test_find_by_two_attributes_but_passing_only_one() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1001
def test_find_by_two_attributes_but_passing_only_one
  assert_raise(ArgumentError) { Topic.find_by_title_and_author_name("The First Topic") }
end
test_find_by_two_attributes_that_are_both_aggregates() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 958
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
test_find_by_two_attributes_with_one_being_an_aggregate() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 967
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
test_find_by_with_large_number() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 300
def test_find_by_with_large_number
  assert_nil Topic.find_by(id: "9999999999999999999999999999999")
end
test_find_doesnt_have_implicit_ordering() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 322
def test_find_doesnt_have_implicit_ordering
  assert_sql(/^((?!ORDER).)*$/) { Topic.find(1) }
end
test_find_ignores_previously_inserted_record() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1049
def test_find_ignores_previously_inserted_record
  Post.create!(title: "test", body: "it out")
  assert_equal [], Post.where(id: nil)
end
test_find_last_with_offset() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1005
def test_find_last_with_offset
  devs = Developer.order("id")

  assert_equal devs[2], Developer.offset(2).first
  assert_equal devs[-3], Developer.offset(2).last
  assert_equal devs[-3], Developer.offset(2).order("id DESC").first
end
test_find_on_array_conditions() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 665
def test_find_on_array_conditions
  assert Topic.where(["approved = ?", false]).find(1)
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where(["approved = ?", true]).find(1) }
end
test_find_on_association_proxy_conditions() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 716
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
test_find_on_combined_explicit_and_hashed_table_names() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 690
def test_find_on_combined_explicit_and_hashed_table_names
  assert Topic.where("topics.approved" => false, topics: { author_name: "David" }).find(1)
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where("topics.approved" => true, topics: { author_name: "David" }).find(1) }
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where("topics.approved" => false, topics: { author_name: "Melanie" }).find(1) }
end
test_find_on_hash_conditions() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 670
def test_find_on_hash_conditions
  assert Topic.where(approved: false).find(1)
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where(approved: true).find(1) }
end
test_find_on_hash_conditions_with_array_of_integers_and_ranges() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 736
def test_find_on_hash_conditions_with_array_of_integers_and_ranges
  assert_equal [1, 2, 3, 5, 6, 7, 8, 9], Comment.where(id: [1..2, 3, 5, 6..8, 9]).to_a.map(&:id).sort
end
test_find_on_hash_conditions_with_array_of_ranges() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 740
def test_find_on_hash_conditions_with_array_of_ranges
  assert_equal [1, 2, 6, 7, 8], Comment.where(id: [1..2, 6..8]).to_a.map(&:id).sort
end
test_find_on_hash_conditions_with_end_exclusive_range() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 725
def test_find_on_hash_conditions_with_end_exclusive_range
  assert_equal [1, 2, 3], Topic.where(id: 1..3).to_a.map(&:id).sort
  assert_equal [1, 2], Topic.where(id: 1...3).to_a.map(&:id).sort
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where(id: 2...3).find(3) }
end
test_find_on_hash_conditions_with_explicit_table_name_and_aggregate() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 708
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
test_find_on_hash_conditions_with_hashed_table_name() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 685
def test_find_on_hash_conditions_with_hashed_table_name
  assert Topic.where(topics: { approved: false }).find(1)
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where(topics: { approved: true }).find(1) }
end
test_find_on_hash_conditions_with_multiple_ranges() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 731
def test_find_on_hash_conditions_with_multiple_ranges
  assert_equal [1, 2, 3], Comment.where(id: 1..3, post_id: 1..2).to_a.map(&:id).sort
  assert_equal [1], Comment.where(id: 1..1, post_id: 1..10).to_a.map(&:id).sort
end
test_find_on_hash_conditions_with_qualified_attribute_dot_notation_string() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 675
def test_find_on_hash_conditions_with_qualified_attribute_dot_notation_string
  assert Topic.where("topics.approved" => false).find(1)
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where("topics.approved" => true).find(1) }
end
test_find_on_hash_conditions_with_qualified_attribute_dot_notation_symbol() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 680
def test_find_on_hash_conditions_with_qualified_attribute_dot_notation_symbol
  assert Topic.where('topics.approved': false).find(1)
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where('topics.approved': true).find(1) }
end
test_find_on_hash_conditions_with_range() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 720
def test_find_on_hash_conditions_with_range
  assert_equal [1, 2], Topic.where(id: 1..2).to_a.map(&:id).sort
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where(id: 2..3).find(1) }
end
test_find_on_multiple_hash_conditions() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 744
def test_find_on_multiple_hash_conditions
  assert Topic.where(author_name: "David", title: "The First Topic", replies_count: 1, approved: false).find(1)
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where(author_name: "David", title: "The First Topic", replies_count: 1, approved: true).find(1) }
  assert_raise(ActiveRecord::RecordNotFound) { Topic.where(author_name: "David", title: "HHC", replies_count: 1, approved: false).find(1) }
end
test_find_on_relation_with_large_number() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 308
def test_find_on_relation_with_large_number
  assert_nil Topic.where("1=1").find_by(id: 9999999999999999999999999999999)
end
test_find_one_message_on_primary_key() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1130
def test_find_one_message_on_primary_key
  e = assert_raises(ActiveRecord::RecordNotFound) do
    Car.find(0)
  end
  assert_equal 0, e.id
  assert_equal "id", e.primary_key
  assert_equal "Car", e.model
  assert_equal "Couldn't find Car with 'id'=0", e.message
end
test_find_one_message_with_custom_primary_key() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1140
def test_find_one_message_with_custom_primary_key
  table_with_custom_primary_key do |model|
    model.primary_key = :name
    e = assert_raises(ActiveRecord::RecordNotFound) do
      model.find "Hello World!"
    end
    assert_equal "Couldn't find MercedesCar with 'name'=Hello World!", e.message
  end
end
test_find_only_some_columns() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 653
def test_find_only_some_columns
  topic = Topic.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
test_find_passing_active_record_object_is_not_permitted() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 122
def test_find_passing_active_record_object_is_not_permitted
  assert_raises(ArgumentError) do
    Topic.find(Topic.last)
  end
end
test_find_some_message_with_custom_primary_key() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1150
def test_find_some_message_with_custom_primary_key
  table_with_custom_primary_key do |model|
    model.primary_key = :name
    e = assert_raises(ActiveRecord::RecordNotFound) do
      model.find "Hello", "World!"
    end
    assert_equal "Couldn't find all MercedesCars with 'name': (Hello, World!) (found 0 results, but was looking for 2).", e.message
  end
end
test_find_with_bad_sql() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1024
def test_find_with_bad_sql
  assert_raise(ActiveRecord::StatementInvalid) { Topic.find_by_sql "select 1 from badtable" }
end
test_find_with_entire_select_statement() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 337
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
test_find_with_group_and_sanitized_having_method() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 330
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
test_find_with_hash_conditions_on_joined_table() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 696
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
test_find_with_hash_conditions_on_joined_table_and_with_range() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 702
def test_find_with_hash_conditions_on_joined_table_and_with_range
  firms = DependentFirm.joins(:account).where(name: "QuailsCore", accounts: { credit_limit: 55..60 })
  assert_equal 1, firms.size
  assert_equal companies(:quails_core), firms.first
end
test_find_with_ids_and_limit() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 96
def test_find_with_ids_and_limit
  records = Topic.limit(3).find([3, 2, 5, 1, 4])
  assert_equal 3, records.size
  assert_equal "The Third Topic of the day",  records[0].title
  assert_equal "The Second Topic of the day", records[1].title
  assert_equal "The Fifth Topic of the day",  records[2].title
end
test_find_with_ids_and_offset() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 114
def test_find_with_ids_and_offset
  records = Topic.offset(2).find([3, 2, 5, 1, 4])
  assert_equal 3, records.size
  assert_equal "The Fifth Topic of the day",  records[0].title
  assert_equal "The First Topic",             records[1].title
  assert_equal "The Fourth Topic of the day", records[2].title
end
test_find_with_ids_and_order_clause() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 75
def test_find_with_ids_and_order_clause
  # The order clause takes precedence over the informed ids
  records = Topic.order(:author_name).find([5, 3, 1])
  assert_equal "The Third Topic of the day", records[0].title
  assert_equal "The First Topic",            records[1].title
  assert_equal "The Fifth Topic of the day", records[2].title

  records = Topic.order(:id).find([5, 3, 1])
  assert_equal "The First Topic",            records[0].title
  assert_equal "The Third Topic of the day", records[1].title
  assert_equal "The Fifth Topic of the day", records[2].title
end
test_find_with_ids_returning_ordered() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 53
def test_find_with_ids_returning_ordered
  records = Topic.find([4, 2, 5])
  assert_equal "The Fourth Topic of the day", records[0].title
  assert_equal "The Second Topic of the day", records[1].title
  assert_equal "The Fifth Topic of the day", records[2].title

  records = Topic.find(4, 2, 5)
  assert_equal "The Fourth Topic of the day", records[0].title
  assert_equal "The Second Topic of the day", records[1].title
  assert_equal "The Fifth Topic of the day", records[2].title

  records = Topic.find(["4", "2", "5"])
  assert_equal "The Fourth Topic of the day", records[0].title
  assert_equal "The Second Topic of the day", records[1].title
  assert_equal "The Fifth Topic of the day", records[2].title

  records = Topic.find("4", "2", "5")
  assert_equal "The Fourth Topic of the day", records[0].title
  assert_equal "The Second Topic of the day", records[1].title
  assert_equal "The Fifth Topic of the day", records[2].title
end
test_find_with_ids_where_and_limit() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 104
def test_find_with_ids_where_and_limit
  # Please note that Topic 1 is the only not approved so
  # if it were among the first 3 it would raise an ActiveRecord::RecordNotFound
  records = Topic.where(approved: true).limit(3).find([3, 2, 5, 1, 4])
  assert_equal 3, records.size
  assert_equal "The Third Topic of the day",  records[0].title
  assert_equal "The Second Topic of the day", records[1].title
  assert_equal "The Fifth Topic of the day",  records[2].title
end
test_find_with_ids_with_limit_and_order_clause() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 88
def test_find_with_ids_with_limit_and_order_clause
  # The order clause takes precedence over the informed ids
  records = Topic.limit(2).order(:id).find([5, 3, 1])
  assert_equal 2, records.size
  assert_equal "The First Topic",            records[0].title
  assert_equal "The Third Topic of the day", records[1].title
end
test_find_with_large_number() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 296
def test_find_with_large_number
  assert_raises(ActiveRecord::RecordNotFound) { Topic.find("9999999999999999999999999999999") }
end
test_find_with_nil_inside_set_passed_for_attribute() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1112
def test_find_with_nil_inside_set_passed_for_attribute
  client_of = Company.
    where(client_of: [nil]).
    order("client_of DESC").
    map(&:client_of)

  assert_equal [], client_of.compact
end
test_find_with_nil_inside_set_passed_for_one_attribute() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1101
def test_find_with_nil_inside_set_passed_for_one_attribute
  client_of = Company.
    where(client_of: [2, 1, nil],
          name: ["37signals", "Summit", "Microsoft"]).
    order("client_of DESC").
    map(&:client_of)

  assert_includes client_of, nil
  assert_equal [2, 1].sort, client_of.compact.sort
end
test_find_with_order_on_included_associations_with_construct_finder_sql_for_association_limiting_and_is_distinct() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1091
def test_find_with_order_on_included_associations_with_construct_finder_sql_for_association_limiting_and_is_distinct
  assert_equal 2, Post.includes(authors: :author_address).
    where.not(author_addresses: { id: nil }).
    order("author_addresses.id DESC").limit(2).to_a.size

  assert_equal 3, Post.includes(author: :author_address, authors: :author_address).
    where.not(author_addresses_authors: { id: nil }).
    order("author_addresses_authors.id DESC").limit(3).to_a.size
end
test_find_with_prepared_select_statement() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 344
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
test_find_with_proc_parameter_and_block() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 42
def test_find_with_proc_parameter_and_block
  exception = assert_raises(RuntimeError) do
    Topic.all.find(-> { raise "should happen" }) { |e| e.title == "non-existing-title" }
  end
  assert_equal "should happen", exception.message

  assert_nothing_raised do
    Topic.all.find(-> { raise "should not happen" }) { |e| e.title == topics(:first).title }
  end
end
test_find_with_string() click to toggle source

find should handle strings that come from URLs (example: Category.find(params))

# File activerecord/test/cases/finder_test.rb, line 140
def test_find_with_string
  assert_equal(Topic.find(1).title, Topic.find("1").title)
end
test_find_without_primary_key() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1160
def test_find_without_primary_key
  assert_raises(ActiveRecord::UnknownPrimaryKey) do
    Matey.find(1)
  end
end
test_finder_with_offset_string() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1166
def test_finder_with_offset_string
  assert_nothing_raised { Topic.offset("3").to_a }
end
test_first() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 387
def test_first
  assert_equal topics(:second).title, Topic.where("title = 'The Second Topic of the day'").first.title
end
test_first_bang_missing() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 401
def test_first_bang_missing
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.where("title = 'This title does not exist'").first!
  end
end
test_first_bang_present() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 395
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
test_first_failing() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 391
def test_first_failing
  assert_nil Topic.where("title = 'The Second Topic of the day!'").first
end
test_first_have_primary_key_order_by_default() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 407
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
test_fourth() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 465
def test_fourth
  assert_equal topics(:fourth).title, Topic.fourth.title
end
test_fourth_have_primary_key_order_by_default() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 473
def test_fourth_have_primary_key_order_by_default
  expected = topics(:fourth)
  expected.touch # PostgreSQL changes the default order if no order clause is used
  assert_equal expected, Topic.fourth
end
test_fourth_with_offset() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 469
def test_fourth_with_offset
  assert_equal topics(:fifth), Topic.offset(1).fourth
end
test_hash_condition_find_malformed() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 770
def test_hash_condition_find_malformed
  assert_raise(ActiveRecord::StatementInvalid) {
    Company.where(id: 2, dhh: true).first
  }
end
test_hash_condition_find_with_aggregate_attribute_having_same_name_as_field_and_key_value_being_aggregate() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 800
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
test_hash_condition_find_with_aggregate_attribute_having_same_name_as_field_and_key_value_being_attribute_value() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 814
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
test_hash_condition_find_with_aggregate_having_one_mapping() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 793
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
test_hash_condition_find_with_aggregate_having_one_mapping_and_key_value_being_attribute_value() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 807
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
test_hash_condition_find_with_aggregate_having_three_mappings() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 821
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
test_hash_condition_find_with_array() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 781
def test_hash_condition_find_with_array
  p1, p2 = Post.limit(2).order("id asc").to_a
  assert_equal [p1, p2], Post.where(id: [p1, p2]).order("id asc").to_a
  assert_equal [p1, p2], Post.where(id: [p1, p2.id]).order("id asc").to_a
end
test_hash_condition_find_with_escaped_characters() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 776
def test_hash_condition_find_with_escaped_characters
  Company.create("name" => "Ain't noth'n like' \#stuff")
  assert Company.where(name: "Ain't noth'n like' \#stuff").first
end
test_hash_condition_find_with_nil() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 787
def test_hash_condition_find_with_nil
  topic = Topic.where(last_read: nil).first
  assert_not_nil topic
  assert_nil topic.last_read
end
test_hash_condition_find_with_one_condition_being_aggregate_and_another_not() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 828
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
test_hash_condition_local_time_interpolation_with_default_timezone_utc() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 862
def test_hash_condition_local_time_interpolation_with_default_timezone_utc
  with_env_tz "America/New_York" do
    with_timezone_config default: :utc do
      topic = Topic.first
      assert_equal topic, Topic.where(written_on: topic.written_on.getlocal).first
    end
  end
end
test_hash_condition_utc_time_interpolation_with_default_timezone_local() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 844
def test_hash_condition_utc_time_interpolation_with_default_timezone_local
  with_env_tz "America/New_York" do
    with_timezone_config default: :local do
      topic = Topic.first
      assert_equal topic, Topic.where(written_on: topic.written_on.getutc).first
    end
  end
end
test_joins_dont_clobber_id() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1028
def test_joins_dont_clobber_id
  first = Firm.
    joins("INNER JOIN companies clients ON clients.firm_id = companies.id").
    where("companies.id = 1").first
  assert_equal 1, first.id
end
test_joins_with_string_array() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1035
def test_joins_with_string_array
  person_with_reader_and_post = Post.
    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
test_last_bang_missing() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 575
def test_last_bang_missing
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.where("title = 'This title does not exist'").last!
  end
end
test_last_bang_present() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 569
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
test_last_on_loaded_relation_should_not_use_sql() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 611
def test_last_on_loaded_relation_should_not_use_sql
  relation = Topic.limit(10).load
  assert_no_queries do
    relation.last
    relation.last(2)
  end
end
test_last_on_relation_with_limit_and_offset() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 625
def test_last_on_relation_with_limit_and_offset
  post = posts("sti_comments")

  comments = post.comments.order(id: :asc)
  assert_equal comments.limit(2).to_a.last, comments.limit(2).last
  assert_equal comments.limit(2).to_a.last(2), comments.limit(2).last(2)
  assert_equal comments.limit(2).to_a.last(3), comments.limit(2).last(3)

  comments = comments.offset(1)
  assert_equal comments.limit(2).to_a.last, comments.limit(2).last
  assert_equal comments.limit(2).to_a.last(2), comments.limit(2).last(2)
  assert_equal comments.limit(2).to_a.last(3), comments.limit(2).last(3)
end
test_last_with_integer_and_order_should_keep_the_order() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 595
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
test_last_with_integer_and_order_should_use_sql_limit() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 599
def test_last_with_integer_and_order_should_use_sql_limit
  relation = Topic.order("title")
  assert_queries(1) { relation.last(5) }
  assert !relation.loaded?
end
test_last_with_integer_and_reorder_should_use_sql_limit() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 605
def test_last_with_integer_and_reorder_should_use_sql_limit
  relation = Topic.reorder("title")
  assert_queries(1) { relation.last(5) }
  assert !relation.loaded?
end
test_last_with_irreversible_order() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 619
def test_last_with_irreversible_order
  assert_raises(ActiveRecord::IrreversibleOrderError) do
    Topic.order("coalesce(author_name, title)").last
  end
end
test_model_class_responds_to_fifth_bang() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 501
def test_model_class_responds_to_fifth_bang
  assert Topic.fifth!
  Topic.delete_all
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.fifth!
  end
end
test_model_class_responds_to_first_bang() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 413
def test_model_class_responds_to_first_bang
  assert Topic.first!
  Topic.delete_all
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.first!
  end
end
test_model_class_responds_to_fourth_bang() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 479
def test_model_class_responds_to_fourth_bang
  assert Topic.fourth!
  Topic.delete_all
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.fourth!
  end
end
test_model_class_responds_to_last_bang() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 581
def test_model_class_responds_to_last_bang
  assert_equal topics(:fifth), Topic.last!
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.delete_all
    Topic.last!
  end
end
test_model_class_responds_to_second_bang() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 435
def test_model_class_responds_to_second_bang
  assert Topic.second!
  Topic.delete_all
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.second!
  end
end
test_model_class_responds_to_second_to_last_bang() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 530
def test_model_class_responds_to_second_to_last_bang
  assert Topic.second_to_last!
  Topic.delete_all
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.second_to_last!
  end
end
test_model_class_responds_to_third_bang() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 457
def test_model_class_responds_to_third_bang
  assert Topic.third!
  Topic.delete_all
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.third!
  end
end
test_model_class_responds_to_third_to_last_bang() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 561
def test_model_class_responds_to_third_to_last_bang
  assert Topic.third_to_last!
  Topic.delete_all
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.third_to_last!
  end
end
test_named_bind_variables() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 894
def test_named_bind_variables
  assert_kind_of Firm, Company.where(["name = :name", { name: "37signals" }]).first
  assert_nil Company.where(["name = :name", { name: "37signals!" }]).first
  assert_nil Company.where(["name = :name", { name: "37signals!' OR 1=1" }]).first
  assert_kind_of Time, Topic.where(["id = :id", { id: 1 }]).first.written_on
end
test_named_bind_variables_with_quotes() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 889
def test_named_bind_variables_with_quotes
  Company.create("name" => "37signals' go'es against")
  assert Company.where(["name = :name", { name: "37signals' go'es against" }]).first
end
test_second() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 421
def test_second
  assert_equal topics(:second).title, Topic.second.title
end
test_second_have_primary_key_order_by_default() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 429
def test_second_have_primary_key_order_by_default
  expected = topics(:second)
  expected.touch # PostgreSQL changes the default order if no order clause is used
  assert_equal expected, Topic.second
end
test_second_to_last() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 509
def test_second_to_last
  assert_equal topics(:fourth).title, Topic.second_to_last.title

  # test with offset
  assert_equal topics(:fourth), Topic.offset(1).second_to_last
  assert_equal topics(:fourth), Topic.offset(2).second_to_last
  assert_equal topics(:fourth), Topic.offset(3).second_to_last
  assert_nil Topic.offset(4).second_to_last
  assert_nil Topic.offset(5).second_to_last

  #test with limit
  assert_nil Topic.limit(1).second
  assert_nil Topic.limit(1).second_to_last
end
test_second_to_last_have_primary_key_order_by_default() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 524
def test_second_to_last_have_primary_key_order_by_default
  expected = topics(:fourth)
  expected.touch # PostgreSQL changes the default order if no order clause is used
  assert_equal expected, Topic.second_to_last
end
test_second_with_offset() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 425
def test_second_with_offset
  assert_equal topics(:fifth), Topic.offset(3).second
end
test_select_rows() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1081
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
test_select_value() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1068
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
test_select_values() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1076
def test_select_values
  assert_equal ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11"], Company.connection.select_values("SELECT id FROM companies ORDER BY id").map!(&:to_s)
  assert_equal ["37signals", "Summit", "Microsoft", "Flamboyant Software", "Ex Nihilo", "QuailsCore", "Leetsoft", "Jadedpixel", "Odegy", "Ex Nihilo Part Deux", "Apex"], Company.connection.select_values("SELECT name FROM companies ORDER BY id")
end
test_symbols_table_ref() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 128
def test_symbols_table_ref
  gc_disabled = GC.disable
  Post.where("author_id" => nil)  # warm up
  x = Symbol.all_symbols.count
  Post.where("title" => { "xxxqqqq" => "bar" })
  assert_equal x, Symbol.all_symbols.count
ensure
  GC.enable if gc_disabled == false
end
test_take() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 367
def test_take
  assert_equal topics(:first), Topic.take
end
test_take_and_first_and_last_with_integer_should_return_an_array() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 639
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
test_take_and_first_and_last_with_integer_should_use_sql_limit() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 589
def test_take_and_first_and_last_with_integer_should_use_sql_limit
  assert_sql(/LIMIT|ROWNUM <=|FETCH FIRST/) { Topic.take(3).entries }
  assert_sql(/LIMIT|ROWNUM <=|FETCH FIRST/) { Topic.first(2).entries }
  assert_sql(/LIMIT|ROWNUM <=|FETCH FIRST/) { Topic.last(5).entries }
end
test_take_bang_missing() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 381
def test_take_bang_missing
  assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do
    Topic.where("title = 'This title does not exist'").take!
  end
end
test_take_bang_present() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 375
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
test_take_failing() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 371
def test_take_failing
  assert_nil Topic.where("title = 'This title does not exist'").take
end
test_third() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 443
def test_third
  assert_equal topics(:third).title, Topic.third.title
end
test_third_have_primary_key_order_by_default() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 451
def test_third_have_primary_key_order_by_default
  expected = topics(:third)
  expected.touch # PostgreSQL changes the default order if no order clause is used
  assert_equal expected, Topic.third
end
test_third_to_last() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 538
def test_third_to_last
  assert_equal topics(:third).title, Topic.third_to_last.title

  # test with offset
  assert_equal topics(:third), Topic.offset(1).third_to_last
  assert_equal topics(:third), Topic.offset(2).third_to_last
  assert_nil Topic.offset(3).third_to_last
  assert_nil Topic.offset(4).third_to_last
  assert_nil Topic.offset(5).third_to_last

  # test with limit
  assert_nil Topic.limit(1).third
  assert_nil Topic.limit(1).third_to_last
  assert_nil Topic.limit(2).third
  assert_nil Topic.limit(2).third_to_last
end
test_third_to_last_have_primary_key_order_by_default() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 555
def test_third_to_last_have_primary_key_order_by_default
  expected = topics(:third)
  expected.touch # PostgreSQL changes the default order if no order clause is used
  assert_equal expected, Topic.third_to_last
end
test_third_with_offset() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 447
def test_third_with_offset
  assert_equal topics(:fifth), Topic.offset(2).third
end
test_unexisting_record_exception_handling() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 645
def test_unexisting_record_exception_handling
  assert_raise(ActiveRecord::RecordNotFound) {
    Topic.find(1).parent
  }

  Topic.find(2).topic
end
test_with_limiting_with_custom_select() click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1121
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

Private Instance Methods

assert_raises_with_message(exception_class, message, &block) click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1278
def assert_raises_with_message(exception_class, message, &block)
  err = assert_raises(exception_class) { block.call }
  assert_match message, err.message
end
table_with_custom_primary_key() { |class(Toy) do def name "MercedesCar" end end| ... } click to toggle source
# File activerecord/test/cases/finder_test.rb, line 1270
def table_with_custom_primary_key
  yield(Class.new(Toy) do
    def self.name
      "MercedesCar"
    end
  end)
end