public function testGetLabels_buffer()
{
$termIndex = $this->getRestrictedTermIndex(2, 0);
$lookup = new BufferingTermLookup($termIndex, 10);
$q116 = new ItemId('Q123');
// This should trigger one call to getTermsOfEntity
$expected = array('de' => 'Wien', 'en' => 'Vienna');
$this->assertEquals($expected, $lookup->getLabels($q116, array('de', 'en', 'it')));
// This should trigger no more calls, since the label for 'en' is in the buffer
$this->assertEquals('Vienna', $lookup->getLabel($q116, 'en'));
// This should trigger no more calls to the TermIndex, since the label for 'it' is in the
// buffer as a negative entry.
$this->assertEquals(array(), $lookup->getLabels($q116, array('it')));
// This should trigger one call to getTermsOfEntity
$this->assertEquals('Vienne', $lookup->getLabel($q116, 'fr'));
// This should trigger no more calls to the TermIndex, since all languages are in the buffer
// now.
$expected = array('de' => 'Wien', 'fr' => 'Vienne');
$this->assertEquals($expected, $lookup->getLabels($q116, array('de', 'fr')));
}
