1import pytest 2 3from vcr.persisters.filesystem import FilesystemPersister 4from vcr.serializers import jsonserializer, yamlserializer 5 6 7@pytest.mark.parametrize("cassette_path, serializer", [ 8 ('tests/fixtures/migration/old_cassette.json', jsonserializer), 9 ('tests/fixtures/migration/old_cassette.yaml', yamlserializer), 10]) 11def test_load_cassette_with_old_cassettes(cassette_path, serializer): 12 with pytest.raises(ValueError) as excinfo: 13 FilesystemPersister.load_cassette(cassette_path, serializer) 14 assert "run the migration script" in excinfo.exconly() 15 16 17@pytest.mark.parametrize("cassette_path, serializer", [ 18 ('tests/fixtures/migration/not_cassette.txt', jsonserializer), 19 ('tests/fixtures/migration/not_cassette.txt', yamlserializer), 20]) 21def test_load_cassette_with_invalid_cassettes(cassette_path, serializer): 22 with pytest.raises(Exception) as excinfo: 23 FilesystemPersister.load_cassette(cassette_path, serializer) 24 assert "run the migration script" not in excinfo.exconly() 25