diff --git a/openapi_core/shortcuts.py b/openapi_core/shortcuts.py
index 2b0bedc..5bdd4c2 100644
--- a/openapi_core/shortcuts.py
+++ b/openapi_core/shortcuts.py
@@ -6,7 +6,6 @@ from openapi_spec_validator import default_handlers
 from openapi_core.exceptions import OpenAPIParameterError, OpenAPIBodyError
 from openapi_core.specs import SpecFactory
 from openapi_core.validators import RequestValidator, ResponseValidator
-from openapi_core.wrappers import FlaskOpenAPIRequest, FlaskOpenAPIResponse
 
 
 def create_spec(spec_dict, spec_url=''):
@@ -17,12 +16,13 @@ def create_spec(spec_dict, spec_url=''):
     return spec_factory.create(spec_dict, spec_url=spec_url)
 
 
-def validate_parameters(spec, request, wrapper_class=FlaskOpenAPIRequest):
-    if wrapper_class:
+def validate_parameters(spec, request, wrapper_class=None):
+    if wrapper_class is not None:
         request = wrapper_class(request)
 
     validator = RequestValidator(spec)
     result = validator.validate(request)
+
     try:
         result.raise_for_errors()
     except OpenAPIBodyError:
@@ -31,12 +31,13 @@ def validate_parameters(spec, request, wrapper_class=FlaskOpenAPIRequest):
         return result.parameters
 
 
-def validate_body(spec, request, wrapper_class=FlaskOpenAPIRequest):
-    if wrapper_class:
+def validate_body(spec, request, wrapper_class=None):
+    if wrapper_class is not None:
         request = wrapper_class(request)
 
     validator = RequestValidator(spec)
     result = validator.validate(request)
+
     try:
         result.raise_for_errors()
     except OpenAPIParameterError:
@@ -47,11 +48,12 @@ def validate_body(spec, request, wrapper_class=FlaskOpenAPIRequest):
 
 def validate_data(
         spec, request, response,
-        request_wrapper_class=FlaskOpenAPIRequest,
-        response_wrapper_class=FlaskOpenAPIResponse):
-    if request_wrapper_class:
+        request_wrapper_class=None,
+        response_wrapper_class=None):
+    if request_wrapper_class is not None:
         request = request_wrapper_class(request)
-    if response_wrapper_class:
+
+    if response_wrapper_class is not None:
         response = response_wrapper_class(response)
 
     validator = ResponseValidator(spec)
diff --git a/setup.py b/setup.py
index ccba137..839ceae 100644
--- a/setup.py
+++ b/setup.py
@@ -75,6 +75,9 @@ setup(
     ],
     install_requires=read_requirements('requirements.txt'),
     tests_require=read_requirements('requirements_dev.txt'),
+    extras_require={
+        'flask':  ["werkzeug"],
+    },
     cmdclass={'test': PyTest},
     zip_safe=False,
 )
diff --git a/tests/unit/test_shortcuts.py b/tests/unit/test_shortcuts.py
new file mode 100644
index 0000000..dc2caca
--- /dev/null
+++ b/tests/unit/test_shortcuts.py
@@ -0,0 +1,219 @@
+import mock
+
+import pytest
+
+from openapi_core.shortcuts import (
+    validate_parameters, validate_body, validate_data,
+)
+
+
+class ResultMock(object):
+
+    def __init__(
+            self, body=None, parameters=None, data=None, error_to_raise=None):
+        self.body = body
+        self.parameters = parameters
+        self.data = data
+        self.error_to_raise = error_to_raise
+
+    def raise_for_errors(self):
+        if self.error_to_raise is not None:
+            raise self.error_to_raise
+
+        if self.parameters is not None:
+            return self.parameters
+
+        if self.data is not None:
+            return self.data
+
+
+class WrapperClassMock(object):
+
+    _instances = {}
+
+    def __new__(cls, obj):
+        if obj not in cls._instances:
+            cls._instances[obj] = object.__new__(cls)
+        return cls._instances[obj]
+
+    def __init__(self, obj):
+        self.obj = obj
+
+
+class TestValidateParameters(object):
+
+    @mock.patch('openapi_core.shortcuts.RequestValidator.validate')
+    def test_no_wrapper(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        parameters = mock.sentinel.parameters
+        mock_validate.return_value = ResultMock(parameters=parameters)
+
+        result = validate_parameters(spec, request)
+
+        assert result == parameters
+        mock_validate.aasert_called_once_with(request)
+
+    @mock.patch('openapi_core.shortcuts.RequestValidator.validate')
+    def test_no_wrapper_error(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        mock_validate.return_value = ResultMock(error_to_raise=ValueError)
+
+        with pytest.raises(ValueError):
+            validate_parameters(spec, request)
+
+        mock_validate.aasert_called_once_with(request)
+
+    @mock.patch('openapi_core.shortcuts.RequestValidator.validate')
+    def test_wrapper(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        parameters = mock.sentinel.parameters
+        mock_validate.return_value = ResultMock(parameters=parameters)
+        request_wrapper_class = WrapperClassMock
+
+        result = validate_parameters(spec, request, request_wrapper_class)
+
+        assert result == parameters
+        mock_validate.assert_called_once_with(
+            WrapperClassMock(request),
+        )
+
+    @mock.patch('openapi_core.shortcuts.RequestValidator.validate')
+    def test_wrapper_error(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        mock_validate.return_value = ResultMock(error_to_raise=ValueError)
+        request_wrapper_class = WrapperClassMock
+
+        with pytest.raises(ValueError):
+            validate_parameters(spec, request, request_wrapper_class)
+
+        mock_validate.assert_called_once_with(
+            WrapperClassMock(request),
+        )
+
+
+class TestValidateBody(object):
+
+    @mock.patch('openapi_core.shortcuts.RequestValidator.validate')
+    def test_no_wrapper(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        body = mock.sentinel.body
+        mock_validate.return_value = ResultMock(body=body)
+
+        result = validate_body(spec, request)
+
+        assert result == body
+        mock_validate.aasert_called_once_with(request)
+
+    @mock.patch('openapi_core.shortcuts.RequestValidator.validate')
+    def test_no_wrapper_error(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        mock_validate.return_value = ResultMock(error_to_raise=ValueError)
+
+        with pytest.raises(ValueError):
+            validate_body(spec, request)
+
+        mock_validate.aasert_called_once_with(request)
+
+    @mock.patch('openapi_core.shortcuts.RequestValidator.validate')
+    def test_wrapper(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        body = mock.sentinel.body
+        mock_validate.return_value = ResultMock(body=body)
+        request_wrapper_class = WrapperClassMock
+
+        result = validate_body(spec, request, request_wrapper_class)
+
+        assert result == body
+        mock_validate.assert_called_once_with(
+            WrapperClassMock(request),
+        )
+
+    @mock.patch('openapi_core.shortcuts.RequestValidator.validate')
+    def test_wrapper_error(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        mock_validate.return_value = ResultMock(error_to_raise=ValueError)
+        request_wrapper_class = WrapperClassMock
+
+        with pytest.raises(ValueError):
+            validate_body(spec, request, request_wrapper_class)
+
+        mock_validate.assert_called_once_with(
+            WrapperClassMock(request),
+        )
+
+
+class TestvalidateData(object):
+
+    @mock.patch('openapi_core.shortcuts.ResponseValidator.validate')
+    def test_no_wrappers(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        response = mock.sentinel.response
+        data = mock.sentinel.data
+        mock_validate.return_value = ResultMock(data=data)
+
+        result = validate_data(spec, request, response)
+
+        assert result == data
+        mock_validate.aasert_called_once_with(request, response)
+
+    @mock.patch('openapi_core.shortcuts.ResponseValidator.validate')
+    def test_no_wrappers_error(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        response = mock.sentinel.response
+        mock_validate.return_value = ResultMock(error_to_raise=ValueError)
+
+        with pytest.raises(ValueError):
+            validate_data(spec, request, response)
+
+        mock_validate.aasert_called_once_with(request, response)
+
+    @mock.patch('openapi_core.shortcuts.ResponseValidator.validate')
+    def test_wrappers(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        response = mock.sentinel.response
+        data = mock.sentinel.data
+        mock_validate.return_value = ResultMock(data=data)
+        request_wrapper_class = WrapperClassMock
+        response_wrapper_class = WrapperClassMock
+
+        result = validate_data(
+            spec, request, response,
+            request_wrapper_class, response_wrapper_class,
+        )
+
+        assert result == data
+        mock_validate.assert_called_once_with(
+            WrapperClassMock(request),
+            WrapperClassMock(response),
+        )
+
+    @mock.patch('openapi_core.shortcuts.ResponseValidator.validate')
+    def test_wrappers_error(self, mock_validate):
+        spec = mock.sentinel.spec
+        request = mock.sentinel.request
+        response = mock.sentinel.response
+        mock_validate.return_value = ResultMock(error_to_raise=ValueError)
+        request_wrapper_class = WrapperClassMock
+        response_wrapper_class = WrapperClassMock
+
+        with pytest.raises(ValueError):
+            validate_data(
+                spec, request, response,
+                request_wrapper_class, response_wrapper_class,
+            )
+
+        mock_validate.assert_called_once_with(
+            WrapperClassMock(request),
+            WrapperClassMock(response),
+        )