[Simpletest-support] more reference weirdness

[Jason S. <jsw...@ya...>]

class TestPlant extends UnitTestCase 
{
	function TestPlant(){
		$this->UnitTestCase();
		Mock::Generate('DataCache');
	}

	function Setup() {
		$this->_moCache =& new MockDataCache($this);
		$this->_moCache->SetReturnValue('IsCached', false);
		$this->_moCache->SetReturnValueAt(0, 'IsCached', true);
	}
	
	function TestGetInvt(){
		$o_cache =& $this->_moCache;
		$s_id = PLANT_CACHE_ID.TEST_PLANT_ID;
		$a_test_val = array(100000,200000,300000);
		
		//this gives array key errors in expectation.php (228 and 231)
		//$o_plant =& $this->NewPlant();
		
		$o_cache->SetReturnValue('IsCached', true,  array($s_id));
		$o_cache->SetReturnValue('GetCache', array('invt' => $a_test_val),
array($s_id));
		
		// this works fine
		$o_plant =& $this->NewPlant();
		
		$this->AssertTrue($a_invt = $o_plant->GetInvt(), 'Inventory list has
values');
		$this->AssertEqual($a_test_val, $a_invt);
	}

	function &NewPlant()
	{
		$o =& new Plant(TEST_PLANT_ID, $this->_moCache);
		return $o;
	}
}

Plant looks like:
class Plant
{
	function Plant($piId, &$poCache){
		if (!$poCache->IsCached(PLANT_CACHE_ID.$piId)) {
			trigger_error("Plant Id '$piId' is not setup");
			$this = NULL;
			return;
		}
		$this->_moCache =& $poCache;
		$this->_maData = $poCache->GetCache(PLANT_CACHE_ID.$piId);
	}
	function GetInvt(){
		return $this->_maData['invt'];
	}
}

I believe everything is being passed by ref okay.  Can't figure out why the
location of the factory method call would cause the errors.  I put the
Mock::Genrate() in the constructor so it will only get called once for the test
case.  I do now understand that SetUp() is called for each test method ;), but
that still looks fine to me, the test should be independant of all others, and
should be using the current $this->_moCache created by SetUp() for the
TestGetInvt() method.  I had tried eliminating the intermediate variable
($o_cache) without an impact on the problems as well.

Any thoughts?

Jason

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