Merge pull request #350 from multinet-app/empty_csv_body

Add validation failure for missing rows (body) in a CSV upload
multinet-app · Mar 19, 2020 · 277f634 · 277f634
2 parents 5e0411b + ced66c7
commit 277f634
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diff --git a/multinet/uploaders/csv.py b/multinet/uploaders/csv.py
@@ -29,10 +29,18 @@ class InvalidRow(ValidationFailure):
     fields: List[str]
 
 
+@dataclass
+class MissingBody(ValidationFailure):
+    """Missing body in a CSV file."""
+
+
 def validate_csv(rows: Sequence[MutableMapping]) -> None:
     """Perform any necessary CSV validation, and return appropriate errors."""
     data_errors: List[ValidationFailure] = []
 
+    if not rows:
+        raise ValidationFailed([MissingBody()])
+
     fieldnames = rows[0].keys()
     if "_key" in fieldnames:
         # Node Table, check for key uniqueness

diff --git a/test/data/empty_body.csv b/test/data/empty_body.csv