def test_classes():
ex = classifiers.get_instance()
assert 'registration' in ex.form_classes
assert 'password' in ex.field_classes
def test_extract_forms_no_fields_direct(tree):
ex = classifiers.get_instance()
forms = ex.form_classifier.extract_forms(tree)
assert len(forms) == 1
assert forms[0][1] == 'login'
