public function testSetFacets()
{
$fq1 = new FacetQuery();
$fq1->setKey('f1')->setQuery('category:1');
$fq2 = new FacetQuery();
$fq2->setKey('f2')->setQuery('category:2');
$facets = array('f1' => $fq1, 'f2' => $fq2);
$this->facetSet->addFacets($facets);
$fq3 = new FacetQuery();
$fq3->setKey('f3')->setQuery('category:3');
$fq4 = new FacetQuery();
$fq4->setKey('f4')->setQuery('category:4');
$facets = array('f3' => $fq3, 'f4' => $fq4);
$this->facetSet->setFacets($facets);
$this->assertEquals($facets, $this->facetSet->getFacets());
}