Merge pull request #50 from p1c2u/fix/type-validator-error-msg-formatting-fix

type validator error msg formatting fix

Author: p1c2u

openapi_schema_validator/_validators.py

@@ -91,7 +91,8 @@ def type(validator, data_type, instance, schema):
         return
 
     if not validator.is_type(instance, data_type):
-        yield ValidationError("%r is not of type %s" % (instance, data_type))
+        data_repr = repr(data_type)
+        yield ValidationError("%r is not of type %s" % (instance, data_repr))
 
 
 def format(validator, format, instance, schema):

tests/integration/test_validators.py

@@ -327,7 +327,7 @@ def test_oneof_discriminator(self, schema_type):
             assert False
 
         # Check we get a non-generic, somehow usable, error message when a discriminated schema is failing
-        with pytest.raises(ValidationError, match="'bad_string' is not of type integer"):
+        with pytest.raises(ValidationError, match="'bad_string' is not of type 'integer'"):
             validator.validate({
                 "discipline": "mountain_hiking",
                 "length": "bad_string"