function testEngineProvidesDebugInformation()
{
$engineSet = new EngineSet();
$engineSet->register('test-a', new Engine\FakeEngine([['type' => 'wiki page', 'object' => 'Content A'], new Debug\SourceDocument('wiki page', 'Content Z')]));
$comparator = new Comparator($engineSet);
$input = new Input\UserInput('bob');
$expect = new RecommendationSet('test-a');
$expect->add(new Recommendation('wiki page', 'Content A'));
$expect->addDebug(new Debug\SourceDocument('wiki page', 'Content Z'));
$this->assertEquals([$expect], $comparator->generate($input));
}
function testRegisterWeightedGenerator()
{
$a = new Engine\FakeEngine([]);
$b = new Engine\FakeEngine([]);
$out = [spl_object_hash($a) => 0, spl_object_hash($b) => 0];
$engineSet = new EngineSet();
$engineSet->registerWeighted('a', 4, $a);
$engineSet->registerWeighted('b', 1, $b);
$engines = $engineSet->getGenerator();
for ($i = 0; $i < 10; ++$i) {
list($set, $engine) = $engines->current();
$engines->next();
$out[spl_object_hash($engine)]++;
}
$this->assertEquals([spl_object_hash($a) => 8, spl_object_hash($b) => 2], $out);
}
