Test logging an artifact with a 0-byte file

tests/pytest_tests/system_tests/test_artifacts/test_wandb_artifacts.py

@@ -1535,6 +1535,18 @@ def test_cache_cleanup_allows_upload(wandb_init, tmp_path, monkeypatch):
  assert cache.cleanup(0) == 2**20
 
 
+def test_artifact_with_empty_file_ok(wandb_init, tmp_path):
+ artifact = wandb.Artifact(type="dataset", name="my-arty")
+ path = tmp_path / "empty.txt"
+ path.touch()
+ artifact.add_file(path)
+ with wandb_init() as run:
+ run.log_artifact(artifact)
+ artifact.wait()
+
+ assert artifact.digest == "7772370e2243066215a845a34f3cc42c"
+
+
 def test_artifact_ttl_setter_getter():
  art = wandb.Artifact("test", type="test")
  with pytest.raises(ArtifactNotLoggedError):