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-rw-r--r--activerecord/test/cases/adapters/postgresql/array_test.rb4
-rw-r--r--activerecord/test/cases/adapters/postgresql/foreign_table_test.rb109
-rw-r--r--activerecord/test/cases/associations/has_one_through_associations_test.rb12
-rw-r--r--activerecord/test/cases/connection_adapters/connection_handler_test.rb40
-rw-r--r--activerecord/test/cases/fixtures_test.rb118
-rw-r--r--activerecord/test/cases/migration_test.rb5
-rw-r--r--activerecord/test/cases/persistence_test.rb16
7 files changed, 301 insertions, 3 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/array_test.rb b/activerecord/test/cases/adapters/postgresql/array_test.rb
index 0e9e86f425..7eecd5bc35 100644
--- a/activerecord/test/cases/adapters/postgresql/array_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/array_test.rb
@@ -228,7 +228,9 @@ class PostgresqlArrayTest < ActiveRecord::PostgreSQLTestCase
def test_insert_fixtures
tag_values = ["val1", "val2", "val3_with_'_multiple_quote_'_chars"]
- @connection.insert_fixtures([{ "tags" => tag_values }], "pg_arrays")
+ assert_deprecated do
+ @connection.insert_fixtures([{ "tags" => tag_values }], "pg_arrays")
+ end
assert_equal(PgArray.last.tags, tag_values)
end
diff --git a/activerecord/test/cases/adapters/postgresql/foreign_table_test.rb b/activerecord/test/cases/adapters/postgresql/foreign_table_test.rb
new file mode 100644
index 0000000000..4fa315ad23
--- /dev/null
+++ b/activerecord/test/cases/adapters/postgresql/foreign_table_test.rb
@@ -0,0 +1,109 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "models/professor"
+
+if ActiveRecord::Base.connection.supports_foreign_tables?
+ class ForeignTableTest < ActiveRecord::TestCase
+ self.use_transactional_tests = false
+
+ class ForeignProfessor < ActiveRecord::Base
+ self.table_name = "foreign_professors"
+ end
+
+ class ForeignProfessorWithPk < ForeignProfessor
+ self.primary_key = "id"
+ end
+
+ def setup
+ @professor = Professor.create(name: "Nicola")
+
+ @connection = ActiveRecord::Base.connection
+ enable_extension!("postgres_fdw", @connection)
+
+ foreign_db_config = ARTest.connection_config["arunit2"]
+ @connection.execute <<-SQL
+ CREATE SERVER foreign_server
+ FOREIGN DATA WRAPPER postgres_fdw
+ OPTIONS (dbname '#{foreign_db_config["database"]}')
+ SQL
+
+ @connection.execute <<-SQL
+ CREATE USER MAPPING FOR CURRENT_USER
+ SERVER foreign_server
+ SQL
+
+ @connection.execute <<-SQL
+ CREATE FOREIGN TABLE foreign_professors (
+ id int,
+ name character varying NOT NULL
+ ) SERVER foreign_server OPTIONS (
+ table_name 'professors'
+ )
+ SQL
+ end
+
+ def teardown
+ disable_extension!("postgres_fdw", @connection)
+ @connection.execute <<-SQL
+ DROP SERVER IF EXISTS foreign_server CASCADE
+ SQL
+ end
+
+ def test_table_exists
+ table_name = ForeignProfessor.table_name
+ assert_not ActiveRecord::Base.connection.table_exists?(table_name)
+ end
+
+ def test_foreign_tables_are_valid_data_sources
+ table_name = ForeignProfessor.table_name
+ assert @connection.data_source_exists?(table_name), "'#{table_name}' should be a data source"
+ end
+
+ def test_foreign_tables
+ assert_equal ["foreign_professors"], @connection.foreign_tables
+ end
+
+ def test_foreign_table_exists
+ assert @connection.foreign_table_exists?("foreign_professors")
+ assert @connection.foreign_table_exists?(:foreign_professors)
+ assert_not @connection.foreign_table_exists?("nonexistingtable")
+ assert_not @connection.foreign_table_exists?("'")
+ assert_not @connection.foreign_table_exists?(nil)
+ end
+
+ def test_attribute_names
+ assert_equal ["id", "name"], ForeignProfessor.attribute_names
+ end
+
+ def test_attributes
+ professor = ForeignProfessorWithPk.find(@professor.id)
+ assert_equal @professor.attributes, professor.attributes
+ end
+
+ def test_does_not_have_a_primary_key
+ assert_nil ForeignProfessor.primary_key
+ end
+
+ def test_insert_record
+ # Explicit `id` here to avoid complex configurations to implicitly work with remote table
+ ForeignProfessorWithPk.create!(id: 100, name: "Leonardo")
+
+ professor = ForeignProfessorWithPk.last
+ assert_equal "Leonardo", professor.name
+ end
+
+ def test_update_record
+ professor = ForeignProfessorWithPk.find(@professor.id)
+ professor.name = "Albert"
+ professor.save!
+ professor.reload
+ assert_equal "Albert", professor.name
+ end
+
+ def test_delete_record
+ professor = ForeignProfessorWithPk.find(@professor.id)
+ assert_difference("ForeignProfessor.count", -1) { professor.destroy }
+ end
+ end
+end
diff --git a/activerecord/test/cases/associations/has_one_through_associations_test.rb b/activerecord/test/cases/associations/has_one_through_associations_test.rb
index 1d37457464..8bbd4134fa 100644
--- a/activerecord/test/cases/associations/has_one_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_one_through_associations_test.rb
@@ -42,6 +42,18 @@ class HasOneThroughAssociationsTest < ActiveRecord::TestCase
assert_not_nil new_member.club
end
+ def test_creating_association_builds_through_record
+ new_member = Member.create(name: "Chris")
+ new_club = new_member.association(:club).build
+ assert new_member.current_membership
+ assert_equal new_club, new_member.club
+ assert new_club.new_record?
+ assert new_member.current_membership.new_record?
+ assert new_member.save
+ assert new_club.persisted?
+ assert new_member.current_membership.persisted?
+ end
+
def test_creating_association_builds_through_record_for_new
new_member = Member.new(name: "Jane")
new_member.club = clubs(:moustache_club)
diff --git a/activerecord/test/cases/connection_adapters/connection_handler_test.rb b/activerecord/test/cases/connection_adapters/connection_handler_test.rb
index 603ed63a8c..ef0b00b36c 100644
--- a/activerecord/test/cases/connection_adapters/connection_handler_test.rb
+++ b/activerecord/test/cases/connection_adapters/connection_handler_test.rb
@@ -171,6 +171,46 @@ module ActiveRecord
assert_equal 3, ActiveRecord::Base.connection.select_value("SELECT COUNT(*) FROM people")
end
+ def test_forked_child_recovers_from_disconnected_parent
+ object_id = ActiveRecord::Base.connection.object_id
+ assert ActiveRecord::Base.connection.active?
+
+ rd, wr = IO.pipe
+ rd.binmode
+ wr.binmode
+
+ outer_pid = fork {
+ ActiveRecord::Base.connection.disconnect!
+
+ pid = fork {
+ rd.close
+ if ActiveRecord::Base.connection.active?
+ pair = [ActiveRecord::Base.connection.object_id,
+ ActiveRecord::Base.connection.select_value("SELECT COUNT(*) FROM people")]
+ wr.write Marshal.dump pair
+ end
+ wr.close
+
+ exit # allow finalizers to run
+ }
+
+ Process.waitpid pid
+ }
+
+ wr.close
+
+ Process.waitpid outer_pid
+ child_id, child_count = Marshal.load(rd.read)
+
+ assert_not_equal object_id, child_id
+ rd.close
+
+ assert_equal 3, child_count
+
+ # Outer connection is unaffected
+ assert_equal 6, ActiveRecord::Base.connection.select_value("SELECT 2 * COUNT(*) FROM people")
+ end
+
def test_retrieve_connection_pool_copies_schema_cache_from_ancestor_pool
@pool.schema_cache = @pool.connection.schema_cache
@pool.schema_cache.add("posts")
diff --git a/activerecord/test/cases/fixtures_test.rb b/activerecord/test/cases/fixtures_test.rb
index d692c0eccb..d6b22e0a79 100644
--- a/activerecord/test/cases/fixtures_test.rb
+++ b/activerecord/test/cases/fixtures_test.rb
@@ -79,6 +79,124 @@ class FixturesTest < ActiveRecord::TestCase
ActiveSupport::Notifications.unsubscribe(subscription)
end
end
+
+ def test_bulk_insert_multiple_table_with_a_multi_statement_query
+ subscriber = InsertQuerySubscriber.new
+ subscription = ActiveSupport::Notifications.subscribe("sql.active_record", subscriber)
+
+ create_fixtures("bulbs", "authors", "computers")
+
+ expected_sql = <<-EOS.strip_heredoc.chop
+ INSERT INTO #{ActiveRecord::Base.connection.quote_table_name("bulbs")} .*
+ INSERT INTO #{ActiveRecord::Base.connection.quote_table_name("authors")} .*
+ INSERT INTO #{ActiveRecord::Base.connection.quote_table_name("computers")} .*
+ EOS
+ assert_equal 1, subscriber.events.size
+ assert_match(/#{expected_sql}/, subscriber.events.first)
+ ensure
+ ActiveSupport::Notifications.unsubscribe(subscription)
+ end
+
+ def test_bulk_insert_with_a_multi_statement_query_raises_an_exception_when_any_insert_fails
+ require "models/aircraft"
+
+ assert_equal false, Aircraft.columns_hash["wheels_count"].null
+ fixtures = {
+ "aircraft" => [
+ { "name" => "working_aircrafts", "wheels_count" => 2 },
+ { "name" => "broken_aircrafts", "wheels_count" => nil },
+ ]
+ }
+
+ assert_no_difference "Aircraft.count" do
+ assert_raises(ActiveRecord::NotNullViolation) do
+ ActiveRecord::Base.connection.insert_fixtures_set(fixtures)
+ end
+ end
+ end
+ end
+
+ if current_adapter?(:Mysql2Adapter)
+ def test_insert_fixtures_set_raises_an_error_when_max_allowed_packet_is_smaller_than_fixtures_set_size
+ conn = ActiveRecord::Base.connection
+ mysql_margin = 2
+ packet_size = 1024
+ bytes_needed_to_have_a_1024_bytes_fixture = 855
+ fixtures = {
+ "traffic_lights" => [
+ { "location" => "US", "state" => ["NY"], "long_state" => ["a" * bytes_needed_to_have_a_1024_bytes_fixture] },
+ ]
+ }
+
+ conn.stubs(:max_allowed_packet).returns(packet_size - mysql_margin)
+
+ error = assert_raises(ActiveRecord::ActiveRecordError) { conn.insert_fixtures_set(fixtures) }
+ assert_match(/Fixtures set is too large #{packet_size}\./, error.message)
+ end
+
+ def test_insert_fixture_set_when_max_allowed_packet_is_bigger_than_fixtures_set_size
+ conn = ActiveRecord::Base.connection
+ packet_size = 1024
+ fixtures = {
+ "traffic_lights" => [
+ { "location" => "US", "state" => ["NY"], "long_state" => ["a" * 51] },
+ ]
+ }
+
+ conn.stubs(:max_allowed_packet).returns(packet_size)
+
+ assert_difference "TrafficLight.count" do
+ conn.insert_fixtures_set(fixtures)
+ end
+ end
+
+ def test_insert_fixtures_set_split_the_total_sql_into_two_chunks_smaller_than_max_allowed_packet
+ subscriber = InsertQuerySubscriber.new
+ subscription = ActiveSupport::Notifications.subscribe("sql.active_record", subscriber)
+ conn = ActiveRecord::Base.connection
+ packet_size = 1024
+ fixtures = {
+ "traffic_lights" => [
+ { "location" => "US", "state" => ["NY"], "long_state" => ["a" * 450] },
+ ],
+ "comments" => [
+ { "post_id" => 1, "body" => "a" * 450 },
+ ]
+ }
+
+ conn.stubs(:max_allowed_packet).returns(packet_size)
+
+ conn.insert_fixtures_set(fixtures)
+ assert_equal 2, subscriber.events.size
+ assert_operator subscriber.events.first.bytesize, :<, packet_size
+ assert_operator subscriber.events.second.bytesize, :<, packet_size
+ ensure
+ ActiveSupport::Notifications.unsubscribe(subscription)
+ end
+
+ def test_insert_fixtures_set_concat_total_sql_into_a_single_packet_smaller_than_max_allowed_packet
+ subscriber = InsertQuerySubscriber.new
+ subscription = ActiveSupport::Notifications.subscribe("sql.active_record", subscriber)
+ conn = ActiveRecord::Base.connection
+ packet_size = 1024
+ fixtures = {
+ "traffic_lights" => [
+ { "location" => "US", "state" => ["NY"], "long_state" => ["a" * 200] },
+ ],
+ "comments" => [
+ { "post_id" => 1, "body" => "a" * 200 },
+ ]
+ }
+
+ conn.stubs(:max_allowed_packet).returns(packet_size)
+
+ assert_difference ["TrafficLight.count", "Comment.count"], +1 do
+ conn.insert_fixtures_set(fixtures)
+ end
+ assert_equal 1, subscriber.events.size
+ ensure
+ ActiveSupport::Notifications.unsubscribe(subscription)
+ end
end
def test_no_auto_value_on_zero_is_disabled
diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index ffcf6a588e..2ef055fb01 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -881,7 +881,7 @@ if ActiveRecord::Base.connection.supports_bulk_alter?
classname = ActiveRecord::Base.connection.class.name[/[^:]*$/]
expected_query_count = {
"Mysql2Adapter" => 3, # one query for columns, one query for primary key, one query to do the bulk change
- "PostgreSQLAdapter" => 2, # one query for columns, one for bulk change
+ "PostgreSQLAdapter" => 3, # one query for columns, one for bulk change, one for comment
}.fetch(classname) {
raise "need an expected query count for #{classname}"
}
@@ -889,12 +889,13 @@ if ActiveRecord::Base.connection.supports_bulk_alter?
assert_queries(expected_query_count, ignore_none: true) do
with_bulk_change_table do |t|
t.change :name, :string, default: "NONAME"
- t.change :birthdate, :datetime
+ t.change :birthdate, :datetime, comment: "This is a comment"
end
end
assert_equal "NONAME", column(:name).default
assert_equal :datetime, column(:birthdate).type
+ assert_equal "This is a comment", column(:birthdate).comment
end
private
diff --git a/activerecord/test/cases/persistence_test.rb b/activerecord/test/cases/persistence_test.rb
index 0edca96cf5..d242fff442 100644
--- a/activerecord/test/cases/persistence_test.rb
+++ b/activerecord/test/cases/persistence_test.rb
@@ -473,6 +473,22 @@ class PersistenceTest < ActiveRecord::TestCase
assert_instance_of Reply, Reply.find(reply.id)
end
+ def test_becomes_default_sti_subclass
+ original_type = Topic.columns_hash["type"].default
+ ActiveRecord::Base.connection.change_column_default :topics, :type, "Reply"
+ Topic.reset_column_information
+
+ reply = topics(:second)
+ assert_instance_of Reply, reply
+
+ topic = reply.becomes(Topic)
+ assert_instance_of Topic, topic
+
+ ensure
+ ActiveRecord::Base.connection.change_column_default :topics, :type, original_type
+ Topic.reset_column_information
+ end
+
def test_update_after_create
klass = Class.new(Topic) do
def self.name; "Topic"; end