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Fix additionalItems behavior when items is not in tuple form. #35

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Sep 27, 2012
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4 changes: 3 additions & 1 deletion jsonschema.py
Original file line number Diff line number Diff line change
Expand Up @@ -446,6 +446,8 @@ def validate_items(self, items, instance, schema):
def validate_additionalItems(self, aI, instance, schema):
if not self.is_type(instance, "array"):
return
if not self.is_type(schema.get("items"), "array"):
return

if self.is_type(aI, "object"):
for item in instance[len(schema):]:
Expand All @@ -454,7 +456,7 @@ def validate_additionalItems(self, aI, instance, schema):
elif not aI and len(instance) > len(schema.get("items", [])):
error = "Additional items are not allowed (%s %s unexpected)"
yield ValidationError(
error % _extras_msg(instance[len(schema) - 1:])
error % _extras_msg(instance[len(schema.get("items", [])):])
)

def validate_minimum(self, minimum, instance, schema):
Expand Down
9 changes: 7 additions & 2 deletions tests.py
Original file line number Diff line number Diff line change
Expand Up @@ -334,6 +334,9 @@ def test_additionalItems_allowed_by_default(self):
"additionalItems" : {"type" : "integer"},
}))

def test_additionalItems_ignored_when_items_is_not_tuple(self):
validate([1, 2], {"additionalItems" : False})

@parametrized(
("false_by_default", "valid", {}, {}),
("false_explicit", "valid", {"required" : False}, {}),
Expand Down Expand Up @@ -685,11 +688,13 @@ def test_dependencies_failure_has_single_element_not_list(self):
self.assertEqual(message, "%r is a dependency of %r" % (on, depend))

def test_additionalItems_single_failure(self):
message = self.message_for([2], {"additionalItems" : False})
message = self.message_for([2],
{"items" : [], "additionalItems" : False})
self.assertIn("(2 was unexpected)", message)

def test_additionalItems_multiple_failures(self):
message = self.message_for([1, 2, 3], {"additionalItems" : False})
message = self.message_for([1, 2, 3],
{"items" : [], "additionalItems" : False})
self.assertIn("(1, 2, 3 were unexpected)", message)

def test_additionalProperties_single_failure(self):
Expand Down