public function testRetrieveRoot() { $this->assertTrue(method_exists('NestedSetTable10Query', 'retrieveRoot'), 'nested_set adds a retrieveRoot() method'); \Map\NestedSetTable10TableMap::doDeleteAll(); $t1 = new \NestedSetTable10(); $t1->setLeftValue(1); $t1->setRightValue(2); $t1->setScopeValue(2); $t1->save(); $this->assertNull(\NestedSetTable10Query::retrieveRoot(1), 'retrieveRoot() returns null as long as no root node is defined in the required scope'); $t2 = new \NestedSetTable10(); $t2->setLeftValue(1); $t2->setRightValue(2); $t2->setScopeValue(1); $t2->save(); $this->assertEquals(\NestedSetTable10Query::retrieveRoot(1), $t2, 'retrieveRoot() retrieves the root node in the required scope'); }