PHP Class malkusch\lock\mutex\MutexConcurrencyTest

If you want to run integration tests you should provide these environment variables: - MEMCACHE_HOST - REDIS_URIS - a comma separated list of redis:// URIs. - MYSQL_DSN, MYSQL_USER - PGSQL_DSN, PGSQL_USER

Public Methods

Method	Description
provideMutexFactories ( ) : callable[][]	Provides Mutex factories.
provideTestHighContention ( ) : array	Returns test cases for testHighContention().
testHighContention ( callable $code, callable $mutexFactory )	Tests high contention empirically.
testSerialisation ( callable $mutexFactory )	Tests that two processes run sequentially.

Private Methods

Method	Description
fork ( integer $concurrency, callable $code )	Forks, runs code in the children and wait until all finished.
getPDO ( string $dsn, string $user ) : PDO	Gets a PDO instance.

Method Details

provideMutexFactories() public method

Provides Mutex factories.

public provideMutexFactories ( ) : callable[][]
return	callable[][]	The mutex factories.

provideTestHighContention() public method

Returns test cases for testHighContention().

public provideTestHighContention ( ) : array
return	array	The test cases.

testHighContention() public method

Tests high contention empirically.

public testHighContention ( callable $code, callable $mutexFactory )
$code	callable	The counter code.
$mutexFactory	callable	The mutex factory.

testSerialisation() public method

Tests that two processes run sequentially.

public testSerialisation ( callable $mutexFactory )
$mutexFactory	callable	The Mutex factory.