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🧪 Add test for invalid JSON load error path #27

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Merged
sneakocom merged 1 commit into from
Sep 18, 2026
Merged

🧪 Add test for invalid JSON load error path #27

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18 changes: 18 additions & 0 deletions tests/test_validate_program.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

import copy
import sys
import tempfile
import unittest
from pathlib import Path

Expand All @@ -26,6 +27,23 @@ def setUp(self) -> None:
def errors_for(self, registry=None, experiments=None):
return validate(registry or self.registry, experiments or self.experiments)


def test_load_json_raises_value_error_on_non_object(self):
with tempfile.TemporaryDirectory() as tmpdir:
path = Path(tmpdir) / "test.json"

# Test with list
path.write_text('["array"]')
with self.assertRaises(ValueError) as context:
load_json(path)
self.assertIn("top-level value must be an object", str(context.exception))

# Test with string
path.write_text('"string"')
with self.assertRaises(ValueError) as context:
load_json(path)
self.assertIn("top-level value must be an object", str(context.exception))

def test_authoritative_registries_are_valid(self):
self.assertEqual(self.errors_for(), [])

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