Coverage for Users / vladimirpavlov / PycharmProjects / parameterizable / tests / test_version_fallback.py: 100%

1import importlib 

2import types 

3 

4import pytest 

5 

6 

7def test_version_fallback_to_unknown(monkeypatch): 

8 # Patch importlib.metadata.version to raise PackageNotFoundError 

9 import importlib.metadata as md 

10 

11 def _raise(_name): 

12 raise md.PackageNotFoundError 

13 

14 monkeypatch.setattr(md, "version", _raise, raising=True) 

15 

16 # Reload the _version_info module first, then the package to execute with patched metadata.version 

17 import mixinforge._version_info 

18 import mixinforge 

19 importlib.reload(mixinforge._version_info) 

20 parameterizable = importlib.reload(mixinforge) 

21 

22 assert hasattr(parameterizable, "__version__") 

23 assert parameterizable.__version__ == "unknown" 

24 

25 # Reload again after monkeypatch auto-reverts, to restore normal behavior 

26 importlib.reload(mixinforge._version_info) 

27 parameterizable = importlib.reload(parameterizable) 

28 assert isinstance(parameterizable.__version__, str)