public function testVFI()
{
// Given a simple definition, spec should be properly fleshed out
$spec = VirtualFieldIndex::get_vfi_spec('Product');
$this->assertEquals('simple', $spec['Price2']['Type']);
$this->assertEquals('all', $spec['Price2']['DependsOn']);
$this->assertEquals('sellingPrice', $spec['Price2']['Source']);
// Given a simple array definition, spec should be properly fleshed out
$spec = VirtualFieldIndex::get_vfi_spec('Product');
$this->assertEquals('list', $spec['Category']['Type']);
$this->assertEquals('all', $spec['Category']['DependsOn']);
$this->assertEquals('Parent', $spec['Category']['Source'][0]);
// build the vfi just in case
VirtualFieldIndex::build('Product');
$p = $this->objFromFixture('Product', 'p4');
$cats = new ArrayList(array($this->objFromFixture('ProductCategory', 'c1'), $this->objFromFixture('ProductCategory', 'c2'), $this->objFromFixture('ProductCategory', 'c3')));
// vfi fields should be present and correct
$this->assertTrue($p->hasField('VFI_Price'), 'Price index exists');
$this->assertEquals(5, $p->VFI_Price, 'Price is correct');
$this->assertTrue($p->hasField('VFI_Category'), 'Category index exists');
$this->assertEquals('>ProductCategory|' . implode('|', $cats->column('ID')) . '|', $p->VFI_Category, 'Category index is correct');
// vfi accessors work
$this->assertEquals(5, $p->getVFI('Price'), 'Simple getter works');
$this->assertEquals($cats->toArray(), $p->getVFI('Category'), 'List getter works');
$this->assertNull($p->getVFI('NonExistentField'), 'Non existent field should return null');
}
