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6 changes: 4 additions & 2 deletions src/specify_cli/workflows/catalog.py
Original file line number Diff line number Diff line change
Expand Up @@ -1463,12 +1463,14 @@ def remove_catalog(self, index: int) -> str:
raise StepValidationError("No step catalog config file found.")

try:
data = yaml.safe_load(config_path.read_text(encoding="utf-8")) or {}
data = yaml.safe_load(config_path.read_text(encoding="utf-8"))
except (yaml.YAMLError, OSError, UnicodeDecodeError) as exc:
raise StepValidationError(
f"Catalog config file is unreadable or malformed: {exc}"
) from exc
if not isinstance(data, dict):
if data is None:
data = {}
elif not isinstance(data, dict):
raise StepValidationError(
"Catalog config file is corrupted (expected a mapping)."
)
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12 changes: 12 additions & 0 deletions tests/test_workflows.py
Original file line number Diff line number Diff line change
Expand Up @@ -8861,6 +8861,18 @@ def test_remove_catalog_invalid_index(self, project_dir):
with pytest.raises(StepValidationError, match="out of range"):
catalog.remove_catalog(5)

@pytest.mark.parametrize("bad", [[], False, 0, ""])
def test_remove_catalog_rejects_falsy_non_mapping_config(
self, project_dir, bad
):
from specify_cli.workflows.catalog import StepCatalog, StepValidationError

config_path = project_dir / ".specify" / "step-catalogs.yml"
config_path.write_text(yaml.safe_dump(bad), encoding="utf-8")

with pytest.raises(StepValidationError, match="expected a mapping"):
StepCatalog(project_dir).remove_catalog(0)

def test_remove_catalog_no_config(self, project_dir):
from specify_cli.workflows.catalog import StepCatalog, StepValidationError

Expand Down