Add support for one-of with any type

Author: danielbradburn

openapi_core/schema/schemas/models.py

@@ -219,6 +219,9 @@ def _unmarshal_string(self, value, custom_formatters=None, strict=True):
             else:
                 raise InvalidSchemaValue(msg, value, self.format)
         else:
+            if self.enum and value not in self.enum:
+                raise InvalidSchemaValue(
+                    "Value {value} not in enum choices: {type}", value, self.enum)
             formatstring = self.STRING_FORMAT_CALLABLE_GETTER[schema_format]
 
         try:
@@ -251,13 +254,30 @@ def _unmarshal_any(self, value, custom_formatters=None, strict=True):
             SchemaType.INTEGER, SchemaType.NUMBER, SchemaType.STRING,
         ]
         cast_mapping = self.get_cast_mapping()
-        for schema_type in types_resolve_order:
-            cast_callable = cast_mapping[schema_type]
-            try:
-                return cast_callable(value)
-            # @todo: remove ValueError when validation separated
-            except (OpenAPISchemaError, TypeError, ValueError):
-                continue
+        if self.one_of:
+            result = None
+            for subschema in self.one_of:
+                try:
+                    casted = subschema.cast(value, custom_formatters)
+                except (OpenAPISchemaError, TypeError, ValueError):
+                    continue
+                else:
+                    if result is not None:
+                        raise MultipleOneOfSchema(self.type)
+                    result = casted
+
+            if result is None:
+                raise NoOneOfSchema(self.type)
+
+            return result
+        else:
+            for schema_type in types_resolve_order:
+                cast_callable = cast_mapping[schema_type]
+                try:
+                    return cast_callable(value)
+                # @todo: remove ValueError when validation separated
+                except (OpenAPISchemaError, TypeError, ValueError):
+                    continue
 
         raise NoValidSchema(value)
 

tests/integration/test_petstore.py

@@ -1,5 +1,6 @@
 import json
 import pytest
+from datetime import datetime
 from base64 import b64encode
 from uuid import UUID
 from six import iteritems, text_type
@@ -1213,7 +1214,7 @@ def test_post_tags_created_datetime(
 
         assert parameters == {}
         assert isinstance(body, BaseModel)
-        assert body.created == created
+        assert body.created == datetime(2016, 4, 16, 16, 6, 5)
         assert body.name == pet_name
 
         code = 400
@@ -1257,7 +1258,7 @@ def test_post_tags_created_invalid_type(
         )
 
         parameters = request.get_parameters(spec)
-        with pytest.raises(NoValidSchema):
+        with pytest.raises(InvalidMediaTypeValue):
             request.get_body(spec)
 
         assert parameters == {}

tests/unit/schema/test_schemas.py

@@ -269,6 +269,33 @@ def test_number_int_invalid(self):
         with pytest.raises(InvalidSchemaValue):
             schema.unmarshal(value)
 
+    def test_schema_any_one_of(self):
+        schema = Schema(one_of=[
+            Schema('string'),
+            Schema('array', items=Schema('string')),
+        ])
+        assert schema.unmarshal(['hello']) == ['hello']
+
+    def test_schema_any_one_of_mutiple(self):
+        schema = Schema(one_of=[
+            Schema('array', items=Schema('string')),
+            Schema('array', items=Schema('number')),
+        ])
+        with pytest.raises(MultipleOneOfSchema):
+            schema.unmarshal([])
+
+    def test_schema_any_one_of_no_valid(self):
+        schema = Schema(one_of=[
+            Schema('array', items=Schema('string')),
+            Schema('array', items=Schema('number')),
+        ])
+        with pytest.raises(NoOneOfSchema):
+            schema.unmarshal({})
+
+    def test_schema_any(self):
+        schema = Schema()
+        assert schema.unmarshal('string') == 'string'
+
 
 class TestSchemaValidate(object):