// Only use this for unit testing!
func UpdateTestObject(cache *AssumeCache, obj interface{}) {
	cache.update(nil, obj)
}

// DeleteTestObject deletes object in the assume cache.
// Only use this for unit testing!
func DeleteTestObject(cache *AssumeCache, obj interface{}) {
	cache.delete(obj)
}

// Sentinel errors that can be checked for with errors.Is.
var (

	assumecache.UpdateTestObject(cache.AssumeCache, updatedPV)

	// List them
	verifyListPVs(t, cache, pvs, "")

	// Delete a PV
	deletedPV := pvs["test-pv7"]
	delete(pvs, deletedPV.Name)
	assumecache.DeleteTestObject(cache.AssumeCache, deletedPV)

	// List them
	verifyListPVs(t, cache, pvs, "")
}

func TestPVCacheWithStorageClasses(t *testing.T) {
	logger, _ := ktesting.NewTestContext(t)