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require "cases/helper"
class MysqlConnectionTest < ActiveRecord::TestCase
class Klass < ActiveRecord::Base
end
def setup
super
@connection = ActiveRecord::Base.connection
end
def test_mysql_reconnect_attribute_after_connection_with_reconnect_true
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.merge({:reconnect => true}))
assert ActiveRecord::Base.connection.raw_connection.reconnect
end
end
unless ARTest.connection_config['arunit']['socket']
def test_connect_with_url
run_without_connection do
ar_config = ARTest.connection_config['arunit']
url = "mysql://#{ar_config["username"]}@localhost/#{ar_config["database"]}"
Klass.establish_connection(url)
assert_equal ar_config['database'], Klass.connection.current_database
end
end
end
def test_mysql_reconnect_attribute_after_connection_with_reconnect_false
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.merge({:reconnect => false}))
assert !ActiveRecord::Base.connection.raw_connection.reconnect
end
end
def test_no_automatic_reconnection_after_timeout
assert @connection.active?
@connection.update('set @@wait_timeout=1')
sleep 2
assert !@connection.active?
# Repair all fixture connections so other tests won't break.
@fixture_connections.each do |c|
c.verify!
end
end
def test_successful_reconnection_after_timeout_with_manual_reconnect
assert @connection.active?
@connection.update('set @@wait_timeout=1')
sleep 2
@connection.reconnect!
assert @connection.active?
end
def test_successful_reconnection_after_timeout_with_verify
assert @connection.active?
@connection.update('set @@wait_timeout=1')
sleep 2
@connection.verify!
assert @connection.active?
end
def test_bind_value_substitute
bind_param = @connection.substitute_at('foo', 0)
assert_equal Arel.sql('?'), bind_param
end
def test_exec_no_binds
@connection.exec_query('drop table if exists ex')
@connection.exec_query(<<-eosql)
CREATE TABLE `ex` (`id` int(11) DEFAULT NULL auto_increment PRIMARY KEY,
`data` varchar(255))
eosql
result = @connection.exec_query('SELECT id, data FROM ex')
assert_equal 0, result.rows.length
assert_equal 2, result.columns.length
assert_equal %w{ id data }, result.columns
@connection.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")')
# if there are no bind parameters, it will return a string (due to
# the libmysql api)
result = @connection.exec_query('SELECT id, data FROM ex')
assert_equal 1, result.rows.length
assert_equal 2, result.columns.length
assert_equal [['1', 'foo']], result.rows
end
def test_exec_with_binds
@connection.exec_query('drop table if exists ex')
@connection.exec_query(<<-eosql)
CREATE TABLE `ex` (`id` int(11) DEFAULT NULL auto_increment PRIMARY KEY,
`data` varchar(255))
eosql
@connection.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")')
result = @connection.exec_query(
'SELECT id, data FROM ex WHERE id = ?', nil, [[nil, 1]])
assert_equal 1, result.rows.length
assert_equal 2, result.columns.length
assert_equal [[1, 'foo']], result.rows
end
def test_exec_typecasts_bind_vals
@connection.exec_query('drop table if exists ex')
@connection.exec_query(<<-eosql)
CREATE TABLE `ex` (`id` int(11) DEFAULT NULL auto_increment PRIMARY KEY,
`data` varchar(255))
eosql
@connection.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")')
column = @connection.columns('ex').find { |col| col.name == 'id' }
result = @connection.exec_query(
'SELECT id, data FROM ex WHERE id = ?', nil, [[column, '1-fuu']])
assert_equal 1, result.rows.length
assert_equal 2, result.columns.length
assert_equal [[1, 'foo']], result.rows
end
# Test that MySQL allows multiple results for stored procedures
if defined?(Mysql) && Mysql.const_defined?(:CLIENT_MULTI_RESULTS)
def test_multi_results
rows = ActiveRecord::Base.connection.select_rows('CALL ten();')
assert_equal 10, rows[0][0].to_i, "ten() did not return 10 as expected: #{rows.inspect}"
assert @connection.active?, "Bad connection use by 'MysqlAdapter.select_rows'"
end
end
def test_mysql_default_in_strict_mode
result = @connection.exec_query "SELECT @@SESSION.sql_mode"
assert_equal [["STRICT_ALL_TABLES"]], result.rows
end
def test_mysql_strict_mode_disabled_dont_override_global_sql_mode
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.merge({:strict => false}))
global_sql_mode = ActiveRecord::Base.connection.exec_query "SELECT @@GLOBAL.sql_mode"
session_sql_mode = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.sql_mode"
assert_equal global_sql_mode.rows, session_sql_mode.rows
end
end
def test_mysql_set_session_variable
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.deep_merge({:variables => {:default_week_format => 3}}))
session_mode = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.DEFAULT_WEEK_FORMAT"
assert_equal 3, session_mode.rows.first.first.to_i
end
end
def test_mysql_set_session_variable_to_default
run_without_connection do |orig_connection|
ActiveRecord::Base.establish_connection(orig_connection.deep_merge({:variables => {:default_week_format => :default}}))
global_mode = ActiveRecord::Base.connection.exec_query "SELECT @@GLOBAL.DEFAULT_WEEK_FORMAT"
session_mode = ActiveRecord::Base.connection.exec_query "SELECT @@SESSION.DEFAULT_WEEK_FORMAT"
assert_equal global_mode.rows, session_mode.rows
end
end
private
def run_without_connection
original_connection = ActiveRecord::Base.remove_connection
begin
yield original_connection
ensure
ActiveRecord::Base.establish_connection(original_connection)
end
end
end
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