/**
* Tests \Drupal\Core\Routing\RouteBuilder::rebuildIfNeeded() method.
*/
public function testRebuildIfNecessary()
{
$this->lock->expects($this->once())->method('acquire')->with('router_rebuild')->will($this->returnValue(TRUE));
$this->lock->expects($this->once())->method('release')->with('router_rebuild');
$this->routeBuilderIndicator->expects($this->once())->method('setRebuildNeeded');
$this->routeBuilderIndicator->expects($this->once())->method('setRebuildDone');
$this->routeBuilderIndicator->expects($this->exactly(2))->method('isRebuildNeeded')->will($this->onConsecutiveCalls(TRUE, FALSE));
$this->yamlDiscovery->expects($this->any())->method('findAll')->will($this->returnValue(array()));
$this->routeBuilder->setRebuildNeeded();
// This will trigger a successful rebuild.
$this->assertTrue($this->routeBuilder->rebuildIfNeeded());
// This will not trigger a rebuild.
$this->assertFalse($this->routeBuilder->rebuildIfNeeded());
}
