public function saveLever(\MaBandit\Lever $lever)
{
if (!array_key_exists($lever->experiment, $this->_levers) or !is_array($this->_levers[$lever->experiment])) {
$this->_levers[$lever->experiment] = array();
}
$this->_levers[$lever->experiment][$lever->getValue()] = $lever;
return $lever;
}
public function testLoadsLeversForExperiment()
{
$p = new \MaBandit\Persistence\ArrayPersistor();
$l = \MaBandit\Lever::forValue('x')->inflate(new \MaBandit\Persistence\PersistedLever('foo', 'y', 1, 2));
$l1 = \MaBandit\Lever::forValue('x')->inflate(new \MaBandit\Persistence\PersistedLever('bar', 'y', 3, 4));
$p->saveLever($l);
$p->saveLever($l1);
$f = new \MaBandit\Persistence\PersistedLever('we', 'y');
$actual = $p->loadLeversForExperiment($f);
$expected = array('foo' => $l, 'bar' => $l1);
$this->assertEquals($expected, $actual);
}
public function testForLeversReturnsExperimentWithSpecifiedLeversSet()
{
$levers = \MaBandit\Lever::createBatchFromValues(array('blue', 'green'));
$experiment = \MaBandit\Experiment::withName('test')->forLevers($levers);
$taggedLevers = array();
foreach ($levers as $l) {
$nl = clone $l;
$nl->experiment = 'test';
$taggedLevers[] = $nl;
}
$this->assertEquals($taggedLevers, $experiment->getLevers());
$this->assertEquals('test', $experiment->name);
}
/**
* Calculate stats for one lever
*
* @since 0.4.0
*
* @access protected
*
* @param \MaBandit\Lever $lever
*/
protected function lever_stats($lever)
{
$this->stats['variants'][$lever->getValue()] = new stats($lever->getDenominator(), $lever->getNumerator(), $lever->getConversionRate());
}
public function registerConversion(\MaBandit\Lever $lever)
{
$lever->incrementNumerator();
return $this->validateLever($this->getPersistor()->saveLever($lever));
}
public function testChooseLeverAddsToDenominatorPersistsAndReturnsLever()
{
$bandit = $this->getBandit();
$levers = \MaBandit\Lever::createBatchFromValues(array('yes', 'no'));
$ex = \MaBandit\Experiment::withName('testchoosepersist')->forLevers($levers);
$chosen = $bandit->chooseLever($ex);
$this->assertEquals(1, $chosen->getDenominator());
$f = new \MaBandit\Persistence\PersistedLever($chosen->getValue(), $ex->name);
$this->assertEquals($chosen, $bandit->getPersistor()->loadLever($f));
}
/**
* @expectedException \MaBandit\Exception\LeverNumeratorTooHighException
*/
public function testIncrementNumeratorRaisesIf100PercentConversionRate()
{
$l = \MaBandit\Lever::forValue('foo');
$l->incrementNumerator();
}
