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vcrpy/tests/unit/test_persist.py
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Python

import pytest
from vcr.persisters.filesystem import FilesystemPersister
from vcr.serializers import jsonserializer, yamlserializer
@pytest.mark.parametrize(
"cassette_path, serializer",
[
("tests/fixtures/migration/old_cassette.json", jsonserializer),
("tests/fixtures/migration/old_cassette.yaml", yamlserializer),
],
)
def test_load_cassette_with_old_cassettes(cassette_path, serializer):
with pytest.raises(ValueError) as excinfo:
FilesystemPersister.load_cassette(cassette_path, serializer)
assert "run the migration script" in excinfo.exconly()
@pytest.mark.parametrize(
"cassette_path, serializer",
[
("tests/fixtures/migration/not_cassette.txt", jsonserializer),
("tests/fixtures/migration/not_cassette.txt", yamlserializer),
],
)
def test_load_cassette_with_invalid_cassettes(cassette_path, serializer):
with pytest.raises(Exception) as excinfo:
FilesystemPersister.load_cassette(cassette_path, serializer)
assert "run the migration script" not in excinfo.exconly()