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552 lines
19 KiB
Ruby
552 lines
19 KiB
Ruby
# frozen_string_literal: true
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require "cases/helper"
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require "support/connection_helper"
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require "models/book"
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require "models/post"
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require "models/author"
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require "models/event"
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module ActiveRecord
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class AdapterTest < ActiveRecord::TestCase
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def setup
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@connection = ActiveRecord::Base.connection
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@connection.materialize_transactions
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end
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##
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# PostgreSQL does not support null bytes in strings
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unless current_adapter?(:PostgreSQLAdapter) ||
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(current_adapter?(:SQLite3Adapter) && !ActiveRecord::Base.connection.prepared_statements)
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def test_update_prepared_statement
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b = Book.create(name: "my \x00 book")
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b.reload
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assert_equal "my \x00 book", b.name
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b.update(name: "my other \x00 book")
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b.reload
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assert_equal "my other \x00 book", b.name
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end
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end
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def test_create_record_with_pk_as_zero
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Book.create(id: 0)
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assert_equal 0, Book.find(0).id
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assert_nothing_raised { Book.destroy(0) }
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end
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def test_valid_column
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@connection.native_database_types.each_key do |type|
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assert @connection.valid_type?(type)
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end
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end
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def test_invalid_column
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assert_not @connection.valid_type?(:foobar)
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end
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def test_tables
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tables = @connection.tables
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assert_includes tables, "accounts"
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assert_includes tables, "authors"
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assert_includes tables, "tasks"
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assert_includes tables, "topics"
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end
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def test_table_exists?
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assert @connection.table_exists?("accounts")
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assert @connection.table_exists?(:accounts)
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assert_not @connection.table_exists?("nonexistingtable")
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assert_not @connection.table_exists?("'")
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assert_not @connection.table_exists?(nil)
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end
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def test_data_sources
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data_sources = @connection.data_sources
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assert_includes data_sources, "accounts"
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assert_includes data_sources, "authors"
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assert_includes data_sources, "tasks"
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assert_includes data_sources, "topics"
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end
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def test_data_source_exists?
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assert @connection.data_source_exists?("accounts")
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assert @connection.data_source_exists?(:accounts)
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assert_not @connection.data_source_exists?("nonexistingtable")
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assert_not @connection.data_source_exists?("'")
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assert_not @connection.data_source_exists?(nil)
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end
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def test_indexes
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idx_name = "accounts_idx"
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indexes = @connection.indexes("accounts")
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assert_empty indexes
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@connection.add_index :accounts, :firm_id, name: idx_name
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indexes = @connection.indexes("accounts")
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assert_equal "accounts", indexes.first.table
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assert_equal idx_name, indexes.first.name
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assert_not indexes.first.unique
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assert_equal ["firm_id"], indexes.first.columns
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ensure
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@connection.remove_index(:accounts, name: idx_name) rescue nil
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end
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def test_remove_index_when_name_and_wrong_column_name_specified
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index_name = "accounts_idx"
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@connection.add_index :accounts, :firm_id, name: index_name
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assert_raises ArgumentError do
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@connection.remove_index :accounts, name: index_name, column: :wrong_column_name
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end
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ensure
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@connection.remove_index(:accounts, name: index_name)
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end
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def test_remove_index_when_name_and_wrong_column_name_specified_positional_argument
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index_name = "accounts_idx"
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@connection.add_index :accounts, :firm_id, name: index_name
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assert_raises ArgumentError do
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@connection.remove_index :accounts, :wrong_column_name, name: index_name
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end
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ensure
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@connection.remove_index(:accounts, name: index_name)
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end
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def test_current_database
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if @connection.respond_to?(:current_database)
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assert_equal ARTest.test_configuration_hashes["arunit"]["database"], @connection.current_database
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end
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end
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def test_exec_query_returns_an_empty_result
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result = @connection.exec_query "INSERT INTO subscribers(nick) VALUES('me')"
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assert_instance_of(ActiveRecord::Result, result)
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end
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if current_adapter?(:Mysql2Adapter)
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def test_charset
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assert_not_nil @connection.charset
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assert_not_equal "character_set_database", @connection.charset
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assert_equal @connection.show_variable("character_set_database"), @connection.charset
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end
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def test_collation
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assert_not_nil @connection.collation
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assert_not_equal "collation_database", @connection.collation
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assert_equal @connection.show_variable("collation_database"), @connection.collation
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end
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def test_show_nonexistent_variable_returns_nil
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assert_nil @connection.show_variable("foo_bar_baz")
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end
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def test_not_specifying_database_name_for_cross_database_selects
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assert_nothing_raised do
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db_config = ActiveRecord::Base.configurations.configs_for(env_name: "arunit", name: "primary")
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ActiveRecord::Base.establish_connection(db_config.configuration_hash.except(:database))
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config = ARTest.test_configuration_hashes
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ActiveRecord::Base.connection.execute(
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"SELECT #{config['arunit']['database']}.pirates.*, #{config['arunit2']['database']}.courses.* " \
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"FROM #{config['arunit']['database']}.pirates, #{config['arunit2']['database']}.courses"
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)
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end
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ensure
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ActiveRecord::Base.establish_connection :arunit
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end
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end
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def test_table_alias
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def @connection.test_table_alias_length() 10; end
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class << @connection
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alias_method :old_table_alias_length, :table_alias_length
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alias_method :table_alias_length, :test_table_alias_length
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end
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assert_equal "posts", @connection.table_alias_for("posts")
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assert_equal "posts_comm", @connection.table_alias_for("posts_comments")
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assert_equal "dbo_posts", @connection.table_alias_for("dbo.posts")
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class << @connection
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remove_method :table_alias_length
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alias_method :table_alias_length, :old_table_alias_length
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end
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end
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def test_uniqueness_violations_are_translated_to_specific_exception
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@connection.execute "INSERT INTO subscribers(nick) VALUES('me')"
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error = assert_raises(ActiveRecord::RecordNotUnique) do
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@connection.execute "INSERT INTO subscribers(nick) VALUES('me')"
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end
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assert_not_nil error.cause
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end
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def test_not_null_violations_are_translated_to_specific_exception
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error = assert_raises(ActiveRecord::NotNullViolation) do
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Post.create
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end
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assert_not_nil error.cause
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end
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unless current_adapter?(:SQLite3Adapter)
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def test_value_limit_violations_are_translated_to_specific_exception
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error = assert_raises(ActiveRecord::ValueTooLong) do
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Event.create(title: "abcdefgh")
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end
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assert_not_nil error.cause
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end
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def test_numeric_value_out_of_ranges_are_translated_to_specific_exception
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error = assert_raises(ActiveRecord::RangeError) do
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Book.connection.create("INSERT INTO books(author_id) VALUES (9223372036854775808)")
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end
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assert_not_nil error.cause
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end
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end
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def test_exceptions_from_notifications_are_not_translated
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original_error = StandardError.new("This StandardError shouldn't get translated")
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subscriber = ActiveSupport::Notifications.subscribe("sql.active_record") { raise original_error }
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actual_error = assert_raises(StandardError) do
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@connection.execute("SELECT * FROM posts")
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end
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assert_equal original_error, actual_error
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ensure
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ActiveSupport::Notifications.unsubscribe(subscriber) if subscriber
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end
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def test_database_related_exceptions_are_translated_to_statement_invalid
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error = assert_raises(ActiveRecord::StatementInvalid) do
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@connection.execute("This is a syntax error")
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end
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assert_instance_of ActiveRecord::StatementInvalid, error
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assert_kind_of Exception, error.cause
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end
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def test_select_all_always_return_activerecord_result
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result = @connection.select_all "SELECT * FROM posts"
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assert result.is_a?(ActiveRecord::Result)
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end
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if ActiveRecord::Base.connection.prepared_statements
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def test_select_all_insert_update_delete_with_legacy_binds
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binds = [[Event.column_for_attribute("id"), 1]]
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bind_param = Arel::Nodes::BindParam.new(nil)
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assert_deprecated do
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id = @connection.insert("INSERT INTO events(id) VALUES (#{bind_param.to_sql})", nil, nil, nil, nil, binds)
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assert_equal 1, id
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end
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assert_deprecated do
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updated = @connection.update("UPDATE events SET title = 'foo' WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_equal 1, updated
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end
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assert_deprecated do
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result = @connection.select_all("SELECT * FROM events WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_equal({ "id" => 1, "title" => "foo" }, result.first)
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end
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assert_deprecated do
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deleted = @connection.delete("DELETE FROM events WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_equal 1, deleted
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end
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assert_deprecated do
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result = @connection.select_all("SELECT * FROM events WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_nil result.first
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end
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end
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def test_select_all_insert_update_delete_with_casted_binds
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binds = [Event.type_for_attribute("id").serialize(1)]
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bind_param = Arel::Nodes::BindParam.new(nil)
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id = @connection.insert("INSERT INTO events(id) VALUES (#{bind_param.to_sql})", nil, nil, nil, nil, binds)
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assert_equal 1, id
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updated = @connection.update("UPDATE events SET title = 'foo' WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_equal 1, updated
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result = @connection.select_all("SELECT * FROM events WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_equal({ "id" => 1, "title" => "foo" }, result.first)
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deleted = @connection.delete("DELETE FROM events WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_equal 1, deleted
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result = @connection.select_all("SELECT * FROM events WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_nil result.first
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end
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def test_select_all_insert_update_delete_with_binds
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binds = [Relation::QueryAttribute.new("id", 1, Event.type_for_attribute("id"))]
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bind_param = Arel::Nodes::BindParam.new(nil)
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id = @connection.insert("INSERT INTO events(id) VALUES (#{bind_param.to_sql})", nil, nil, nil, nil, binds)
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assert_equal 1, id
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updated = @connection.update("UPDATE events SET title = 'foo' WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_equal 1, updated
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result = @connection.select_all("SELECT * FROM events WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_equal({ "id" => 1, "title" => "foo" }, result.first)
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deleted = @connection.delete("DELETE FROM events WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_equal 1, deleted
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result = @connection.select_all("SELECT * FROM events WHERE id = #{bind_param.to_sql}", nil, binds)
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assert_nil result.first
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end
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end
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def test_select_methods_passing_a_association_relation
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author = Author.create!(name: "john")
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Post.create!(author: author, title: "foo", body: "bar")
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query = author.posts.where(title: "foo").select(:title)
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assert_equal({ "title" => "foo" }, @connection.select_one(query))
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assert @connection.select_all(query).is_a?(ActiveRecord::Result)
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assert_equal "foo", @connection.select_value(query)
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assert_equal ["foo"], @connection.select_values(query)
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end
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def test_select_methods_passing_a_relation
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Post.create!(title: "foo", body: "bar")
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query = Post.where(title: "foo").select(:title)
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assert_equal({ "title" => "foo" }, @connection.select_one(query))
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assert @connection.select_all(query).is_a?(ActiveRecord::Result)
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assert_equal "foo", @connection.select_value(query)
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assert_equal ["foo"], @connection.select_values(query)
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end
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test "type_to_sql returns a String for unmapped types" do
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assert_equal "special_db_type", @connection.type_to_sql(:special_db_type)
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end
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def test_allowed_index_name_length_is_deprecated
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assert_deprecated { @connection.allowed_index_name_length }
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end
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unless current_adapter?(:OracleAdapter)
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def test_in_clause_length_is_deprecated
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assert_deprecated { @connection.in_clause_length }
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end
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end
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end
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class AdapterForeignKeyTest < ActiveRecord::TestCase
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self.use_transactional_tests = false
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fixtures :fk_test_has_pk
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def setup
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@connection = ActiveRecord::Base.connection
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end
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def test_foreign_key_violations_are_translated_to_specific_exception_with_validate_false
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klass_has_fk = Class.new(ActiveRecord::Base) do
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self.table_name = "fk_test_has_fk"
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end
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error = assert_raises(ActiveRecord::InvalidForeignKey) do
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has_fk = klass_has_fk.new
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has_fk.fk_id = 1231231231
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has_fk.save(validate: false)
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end
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assert_not_nil error.cause
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end
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def test_foreign_key_violations_on_insert_are_translated_to_specific_exception
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error = assert_raises(ActiveRecord::InvalidForeignKey) do
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insert_into_fk_test_has_fk
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end
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assert_not_nil error.cause
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end
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def test_foreign_key_violations_on_delete_are_translated_to_specific_exception
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insert_into_fk_test_has_fk fk_id: 1
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error = assert_raises(ActiveRecord::InvalidForeignKey) do
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@connection.execute "DELETE FROM fk_test_has_pk WHERE pk_id = 1"
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end
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assert_not_nil error.cause
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end
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def test_disable_referential_integrity
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assert_nothing_raised do
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@connection.disable_referential_integrity do
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insert_into_fk_test_has_fk
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# should delete created record as otherwise disable_referential_integrity will try to enable constraints
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# after executed block and will fail (at least on Oracle)
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@connection.execute "DELETE FROM fk_test_has_fk"
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end
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end
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end
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private
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def insert_into_fk_test_has_fk(fk_id: 0)
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# Oracle adapter uses prefetched primary key values from sequence and passes them to connection adapter insert method
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if @connection.prefetch_primary_key?
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id_value = @connection.next_sequence_value(@connection.default_sequence_name("fk_test_has_fk", "id"))
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@connection.execute "INSERT INTO fk_test_has_fk (id,fk_id) VALUES (#{id_value},#{fk_id})"
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else
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@connection.execute "INSERT INTO fk_test_has_fk (fk_id) VALUES (#{fk_id})"
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end
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end
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end
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class AdapterTestWithoutTransaction < ActiveRecord::TestCase
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self.use_transactional_tests = false
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fixtures :posts, :authors, :author_addresses
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def setup
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@connection = ActiveRecord::Base.connection
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end
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unless in_memory_db?
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test "reconnect after a disconnect" do
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assert_predicate @connection, :active?
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@connection.disconnect!
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assert_not_predicate @connection, :active?
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@connection.reconnect!
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assert_predicate @connection, :active?
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end
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test "transaction state is reset after a reconnect" do
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@connection.begin_transaction
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assert_predicate @connection, :transaction_open?
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@connection.reconnect!
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assert_not_predicate @connection, :transaction_open?
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end
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test "transaction state is reset after a disconnect" do
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@connection.begin_transaction
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assert_predicate @connection, :transaction_open?
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@connection.disconnect!
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assert_not_predicate @connection, :transaction_open?
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ensure
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@connection.reconnect!
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end
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end
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def test_truncate
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assert_operator Post.count, :>, 0
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@connection.truncate("posts")
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assert_equal 0, Post.count
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ensure
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reset_fixtures("posts")
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end
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def test_truncate_with_query_cache
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@connection.enable_query_cache!
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assert_operator Post.count, :>, 0
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@connection.truncate("posts")
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assert_equal 0, Post.count
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ensure
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reset_fixtures("posts")
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@connection.disable_query_cache!
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end
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def test_truncate_tables
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assert_operator Post.count, :>, 0
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assert_operator Author.count, :>, 0
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assert_operator AuthorAddress.count, :>, 0
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@connection.truncate_tables("author_addresses", "authors", "posts")
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assert_equal 0, Post.count
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assert_equal 0, Author.count
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assert_equal 0, AuthorAddress.count
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ensure
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reset_fixtures("posts", "authors", "author_addresses")
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end
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def test_truncate_tables_with_query_cache
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@connection.enable_query_cache!
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assert_operator Post.count, :>, 0
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assert_operator Author.count, :>, 0
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assert_operator AuthorAddress.count, :>, 0
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@connection.truncate_tables("author_addresses", "authors", "posts")
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assert_equal 0, Post.count
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assert_equal 0, Author.count
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assert_equal 0, AuthorAddress.count
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ensure
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reset_fixtures("posts", "authors", "author_addresses")
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@connection.disable_query_cache!
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end
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# test resetting sequences in odd tables in PostgreSQL
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if ActiveRecord::Base.connection.respond_to?(:reset_pk_sequence!)
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require "models/movie"
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require "models/subscriber"
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def test_reset_empty_table_with_custom_pk
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Movie.delete_all
|
|
Movie.connection.reset_pk_sequence! "movies"
|
|
assert_equal 1, Movie.create(name: "fight club").id
|
|
end
|
|
|
|
def test_reset_table_with_non_integer_pk
|
|
Subscriber.delete_all
|
|
Subscriber.connection.reset_pk_sequence! "subscribers"
|
|
sub = Subscriber.new(name: "robert drake")
|
|
sub.id = "bob drake"
|
|
assert_nothing_raised { sub.save! }
|
|
end
|
|
end
|
|
|
|
private
|
|
def reset_fixtures(*fixture_names)
|
|
ActiveRecord::FixtureSet.reset_cache
|
|
|
|
fixture_names.each do |fixture_name|
|
|
ActiveRecord::FixtureSet.create_fixtures(FIXTURES_ROOT, fixture_name)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
if ActiveRecord::Base.connection.supports_advisory_locks?
|
|
class AdvisoryLocksEnabledTest < ActiveRecord::TestCase
|
|
include ConnectionHelper
|
|
|
|
def test_advisory_locks_enabled?
|
|
assert ActiveRecord::Base.connection.advisory_locks_enabled?
|
|
|
|
run_without_connection do |orig_connection|
|
|
ActiveRecord::Base.establish_connection(
|
|
orig_connection.merge(advisory_locks: false)
|
|
)
|
|
|
|
assert_not ActiveRecord::Base.connection.advisory_locks_enabled?
|
|
|
|
ActiveRecord::Base.establish_connection(
|
|
orig_connection.merge(advisory_locks: true)
|
|
)
|
|
|
|
assert ActiveRecord::Base.connection.advisory_locks_enabled?
|
|
end
|
|
end
|
|
end
|
|
end
|