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connection_test.rb
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connection_test.rb
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require 'test_helper'
require 'logger'
require 'stringio'
require 'thread'
class TestConnection < Test::Unit::TestCase
include Mongo
include BSON
def setup
@conn = standard_connection
end
def teardown
@conn.close
end
def test_connection_failure
assert_raise Mongo::ConnectionFailure do
Mongo::Connection.new('localhost', 27347)
end
end
# def test_connection_timeout
# passed = false
# begin
# t0 = Time.now
# Mongo::Connection.new('foo.bar', 27017, :connect_timeout => 3)
# rescue OperationTimeout
# passed = true
# t1 = Time.now
# end
# assert passed
# assert t1 - t0 < 4
# end
def test_host_port_accessors
assert_equal @conn.host, TEST_HOST
assert_equal @conn.port, TEST_PORT
end
def test_server_info
server_info = @conn.server_info
assert server_info.keys.include?("version")
assert Mongo::Support.ok?(server_info)
end
def test_ping
ping = @conn.ping
assert ping['ok']
end
def test_connection_uri
con = Connection.from_uri("mongodb://#{host_port}")
assert_equal mongo_host, con.primary_pool.host
assert_equal mongo_port, con.primary_pool.port
end
def test_uri_with_extra_opts
con = Connection.from_uri("mongodb://#{host_port}", :pool_size => 10, :slave_ok => true)
assert_equal 10, con.pool_size
assert con.slave_ok?
end
def test_env_mongodb_uri
begin
old_mongodb_uri = ENV['MONGODB_URI']
ENV['MONGODB_URI'] = "mongodb://#{host_port}"
con = Connection.new
assert_equal mongo_host, con.primary_pool.host
assert_equal mongo_port, con.primary_pool.port
ensure
ENV['MONGODB_URI'] = old_mongodb_uri
end
end
def test_from_uri_implicit_mongodb_uri
begin
old_mongodb_uri = ENV['MONGODB_URI']
ENV['MONGODB_URI'] = "mongodb://#{host_port}"
con = Connection.from_uri
assert_equal mongo_host, con.primary_pool.host
assert_equal mongo_port, con.primary_pool.port
ensure
ENV['MONGODB_URI'] = old_mongodb_uri
end
end
def test_db_from_uri_exists_no_options
begin
db_name = "_database"
old_mongodb_uri = ENV['MONGODB_URI']
ENV['MONGODB_URI'] = "mongodb://#{host_port}/#{db_name}"
con = Connection.from_uri
db = con.db
assert_equal db.name, db_name
ensure
ENV['MONGODB_URI'] = old_mongodb_uri
end
end
def test_db_from_uri_exists_options
begin
db_name = "_database"
old_mongodb_uri = ENV['MONGODB_URI']
ENV['MONGODB_URI'] = "mongodb://#{host_port}/#{db_name}?"
con = Connection.from_uri
db = con.db
assert_equal db.name, db_name
ensure
ENV['MONGODB_URI'] = old_mongodb_uri
end
end
def test_db_from_uri_exists_no_db_name
begin
old_mongodb_uri = ENV['MONGODB_URI']
ENV['MONGODB_URI'] = "mongodb://#{host_port}/"
con = Connection.from_uri
db = con.db
assert_equal db.name, Mongo::Connection::DEFAULT_DB_NAME
ensure
ENV['MONGODB_URI'] = old_mongodb_uri
end
end
def test_server_version
assert_match(/\d\.\d+(\.\d+)?/, @conn.server_version.to_s)
end
def test_invalid_database_names
assert_raise TypeError do @conn.db(4) end
assert_raise Mongo::InvalidNSName do @conn.db('') end
assert_raise Mongo::InvalidNSName do @conn.db('te$t') end
assert_raise Mongo::InvalidNSName do @conn.db('te.t') end
assert_raise Mongo::InvalidNSName do @conn.db('te\\t') end
assert_raise Mongo::InvalidNSName do @conn.db('te/t') end
assert_raise Mongo::InvalidNSName do @conn.db('te st') end
end
def test_options_passed_to_db
@pk_mock = Object.new
db = @conn.db('test', :pk => @pk_mock, :strict => true)
assert_equal @pk_mock, db.pk_factory
assert db.strict?
end
def test_database_info
@conn.drop_database(MONGO_TEST_DB)
@conn.db(MONGO_TEST_DB).collection('info-test').insert('a' => 1)
info = @conn.database_info
assert_not_nil info
assert_kind_of Hash, info
assert_not_nil info[MONGO_TEST_DB]
assert info[MONGO_TEST_DB] > 0
@conn.drop_database(MONGO_TEST_DB)
end
def test_copy_database
@conn.db('old').collection('copy-test').insert('a' => 1)
@conn.copy_database('old', 'new', host_port)
old_object = @conn.db('old').collection('copy-test').find.next_document
new_object = @conn.db('new').collection('copy-test').find.next_document
assert_equal old_object, new_object
@conn.drop_database('old')
@conn.drop_database('new')
end
def test_copy_database_with_auth
@conn.db('old').collection('copy-test').insert('a' => 1)
@conn.db('old').add_user('bob', 'secret')
assert_raise Mongo::OperationFailure do
@conn.copy_database('old', 'new', host_port, 'bob', 'badpassword')
end
result = @conn.copy_database('old', 'new', host_port, 'bob', 'secret')
assert Mongo::Support.ok?(result)
@conn.drop_database('old')
@conn.drop_database('new')
end
def test_database_names
@conn.drop_database(MONGO_TEST_DB)
@conn.db(MONGO_TEST_DB).collection('info-test').insert('a' => 1)
names = @conn.database_names
assert_not_nil names
assert_kind_of Array, names
assert names.length >= 1
assert names.include?(MONGO_TEST_DB)
end
def test_logging
output = StringIO.new
logger = Logger.new(output)
logger.level = Logger::DEBUG
standard_connection(:logger => logger).db(MONGO_TEST_DB)
assert output.string.include?("admin['$cmd'].find")
end
def test_logging_duration
output = StringIO.new
logger = Logger.new(output)
logger.level = Logger::DEBUG
standard_connection(:logger => logger).db(MONGO_TEST_DB)
assert_match(/\(\d+ms\)/, output.string)
assert output.string.include?("admin['$cmd'].find")
end
def test_connection_logger
output = StringIO.new
logger = Logger.new(output)
logger.level = Logger::DEBUG
connection = standard_connection(:logger => logger)
assert_equal logger, connection.logger
connection.logger.debug 'testing'
assert output.string.include?('testing')
end
def test_drop_database
db = @conn.db('ruby-mongo-will-be-deleted')
coll = db.collection('temp')
coll.remove
coll.insert(:name => 'temp')
assert_equal 1, coll.count()
assert @conn.database_names.include?('ruby-mongo-will-be-deleted')
@conn.drop_database('ruby-mongo-will-be-deleted')
assert !@conn.database_names.include?('ruby-mongo-will-be-deleted')
end
def test_nodes
silently do
@conn = Connection.multi([['foo', 27017], ['bar', 27018]], :connect => false)
end
seeds = @conn.seeds
assert_equal 2, seeds.length
assert_equal ['foo', 27017], seeds[0]
assert_equal ['bar', 27018], seeds[1]
end
def test_fsync_lock
assert !@conn.locked?
@conn.lock!
assert @conn.locked?
assert [1, true].include?(@conn['admin']['$cmd.sys.inprog'].find_one['fsyncLock'])
assert_match(/unlock/, @conn.unlock!['info'])
unlocked = false
counter = 0
while counter < 5
if @conn['admin']['$cmd.sys.inprog'].find_one['fsyncLock'].nil?
unlocked = true
break
else
sleep(1)
counter += 1
end
end
assert !@conn.locked?
assert unlocked, "mongod failed to unlock"
end
def test_max_bson_size_value
conn = standard_connection(:connect => false)
admin_db = Object.new
admin_db.expects(:command).returns({'ok' => 1, 'ismaster' => 1, 'maxBsonObjectSize' => 15_000_000})
conn.expects(:[]).with('admin').returns(admin_db)
conn.connect
assert_equal 15_000_000, conn.max_bson_size
conn = standard_connection
if conn.server_version > "1.7.2"
assert_equal conn['admin'].command({:ismaster => 1})['maxBsonObjectSize'], conn.max_bson_size
end
conn.connect
doc = {'n' => 'a' * (conn.max_bson_size)}
assert_raise InvalidDocument do
assert BSON::BSON_CODER.serialize(doc, false, true, @conn.max_bson_size)
end
end
def test_max_bson_size_with_no_reported_max_size
conn = standard_connection(:connect => false)
admin_db = Object.new
admin_db.expects(:command).returns({'ok' => 1, 'ismaster' => 1})
conn.expects(:[]).with('admin').returns(admin_db)
conn.connect
assert_equal Mongo::DEFAULT_MAX_BSON_SIZE, conn.max_bson_size
end
def test_connection_activity
conn = standard_connection
assert conn.active?
conn.primary_pool.close
assert !conn.active?
# Simulate a dropped connection.
dropped_socket = mock('dropped_socket')
dropped_socket.stubs(:read).raises(Errno::ECONNRESET)
dropped_socket.stubs(:send).raises(Errno::ECONNRESET)
dropped_socket.stub_everything
conn.primary_pool.host = 'localhost'
conn.primary_pool.port = Mongo::Connection::DEFAULT_PORT
conn.primary_pool.instance_variable_set("@pids", {dropped_socket => Process.pid})
conn.primary_pool.instance_variable_set("@sockets", [dropped_socket])
assert !conn.active?
end
context "Saved authentications" do
setup do
@conn = standard_connection
@auth = {'db_name' => 'test', 'username' => 'bob', 'password' => 'secret'}
@conn.add_auth(@auth['db_name'], @auth['username'], @auth['password'])
end
teardown do
@conn.clear_auths
end
should "save the authentication" do
assert_equal @auth, @conn.auths[0]
end
should "replace the auth if given a new auth for the same db" do
auth = {'db_name' => 'test', 'username' => 'mickey', 'password' => 'm0u53'}
@conn.add_auth(auth['db_name'], auth['username'], auth['password'])
assert_equal 1, @conn.auths.length
assert_equal auth, @conn.auths[0]
end
should "remove auths by database" do
@conn.remove_auth('non-existent database')
assert_equal 1, @conn.auths.length
@conn.remove_auth('test')
assert_equal 0, @conn.auths.length
end
should "remove all auths" do
@conn.clear_auths
assert_equal 0, @conn.auths.length
end
end
context "Socket pools" do
context "checking out writers" do
setup do
@con = standard_connection(:pool_size => 10, :pool_timeout => 10)
@coll = @con[MONGO_TEST_DB]['test-connection-exceptions']
end
should "close the connection on send_message for major exceptions" do
@con.expects(:checkout_writer).raises(SystemStackError)
@con.expects(:close)
begin
@coll.insert({:foo => "bar"})
rescue SystemStackError
end
end
should "close the connection on send_message_with_safe_check for major exceptions" do
@con.expects(:checkout_writer).raises(SystemStackError)
@con.expects(:close)
begin
@coll.insert({:foo => "bar"}, :safe => true)
rescue SystemStackError
end
end
should "close the connection on receive_message for major exceptions" do
@con.expects(:checkout_reader).raises(SystemStackError)
@con.expects(:close)
begin
@coll.find.next
rescue SystemStackError
end
end
end
end
context "Connection exceptions" do
setup do
@con = standard_connection(:pool_size => 10, :pool_timeout => 10)
@coll = @con[MONGO_TEST_DB]['test-connection-exceptions']
end
should "release connection if an exception is raised on send_message" do
@con.stubs(:send_message_on_socket).raises(ConnectionFailure)
assert_equal 0, @con.primary_pool.checked_out.size
assert_raise ConnectionFailure do
@coll.insert({:test => "insert"})
end
assert_equal 0, @con.primary_pool.checked_out.size
end
should "release connection if an exception is raised on send_with_safe_check" do
@con.stubs(:receive).raises(ConnectionFailure)
assert_equal 0, @con.primary_pool.checked_out.size
assert_raise ConnectionFailure do
@coll.insert({:test => "insert"}, :safe => true)
end
assert_equal 0, @con.primary_pool.checked_out.size
end
should "release connection if an exception is raised on receive_message" do
@con.stubs(:receive).raises(ConnectionFailure)
assert_equal 0, @con.read_pool.checked_out.size
assert_raise ConnectionFailure do
@coll.find.to_a
end
assert_equal 0, @con.read_pool.checked_out.size
end
should "show a proper exception message if an IOError is raised while closing a socket" do
fake_socket = mock('fake_socket')
fake_socket.stubs(:close).raises(IOError.new)
fake_socket.stub_everything
TCPSocket.stubs(:new).returns(fake_socket)
@con.primary_pool.checkout_new_socket
@con.primary_pool.expects(:warn)
assert @con.primary_pool.close
end
end
end