public function testGetProtectedEnrichmentKeys()
 {
     $model = new Admin_Model_EnrichmentKeys();
     $config = new Zend_Config(array('enrichmentkey' => array('protected' => array('modules' => 'pkey1,pkey2', 'migration' => 'pkey3,pkey4'))));
     $model->setConfig($config);
     $protectedKeys = $model->getProtectedEnrichmentKeys();
     $this->assertCount(4, $protectedKeys);
     $this->assertContains('pkey1', $protectedKeys);
     $this->assertContains('pkey2', $protectedKeys);
     $this->assertContains('pkey3', $protectedKeys);
     $this->assertContains('pkey4', $protectedKeys);
     $config = new Zend_Config(array('enrichmentkey' => array('protected' => array('migration' => 'pkey3,pkey4'))));
     $model->setConfig($config);
     $model->setProtectedEnrichmentKeys(null);
     $protectedKeys = $model->getProtectedEnrichmentKeys();
     $this->assertCount(2, $protectedKeys);
     $this->assertContains('pkey3', $protectedKeys);
     $this->assertContains('pkey4', $protectedKeys);
     $config = new Zend_Config(array('enrichmentkey' => array('protected' => array('modules' => 'pkey1,pkey2'))));
     $model->setConfig($config);
     $model->setProtectedEnrichmentKeys(null);
     $protectedKeys = $model->getProtectedEnrichmentKeys();
     $this->assertCount(2, $protectedKeys);
     $this->assertContains('pkey1', $protectedKeys);
     $this->assertContains('pkey2', $protectedKeys);
 }