Add support for DELETE and PATCH methods in local mode

Fixes aws#167.

chalice/local.py

@@ -143,7 +143,8 @@ def _generate_lambda_event(self):
         )
         return lambda_event
 
-    do_GET = do_PUT = do_POST = do_HEAD = _generic_handle
+    do_GET = do_PUT = do_POST = do_HEAD = do_DELETE = do_PATCH = \
+        _generic_handle
 
     def do_OPTIONS(self):
         # This can either be because the user's provided an OPTIONS method

tests/unit/test_local.py

@@ -44,6 +44,14 @@ def cors():
     def options():
         return {'options': True}
 
+    @demo.route('/delete', methods=['DELETE'])
+    def delete():
+        return {'delete': True}
+
+    @demo.route('/patch', methods=['PATCH'])
+    def patch():
+        return {'patch': True}
+
     @demo.route('/badrequest')
     def badrequest():
         raise BadRequestError('bad-request')
@@ -140,6 +148,24 @@ def test_errors_converted_to_json_response(handler):
                     'Message': 'BadRequestError: bad-request'}
 
 
+def test_can_support_delete_method(handler):
+    handler.command = 'DELETE'
+    handler.path = '/delete'
+    handler.headers = {'content-type': 'application/json'}
+    handler.do_DELETE()
+    body = _get_body_from_response_stream(handler)
+    assert body == {'delete': True}
+
+
+def test_can_support_patch_method(handler):
+    handler.command = 'PATCH'
+    handler.path = '/patch'
+    handler.headers = {'content-type': 'application/json'}
+    handler.do_PATCH()
+    body = _get_body_from_response_stream(handler)
+    assert body == {'patch': True}
+
+
 def test_unsupported_methods_raise_error(handler):
     handler.command = 'POST'
     handler.path = '/index'