Add wireframes for HTTP methods

+ DELETE
+ OPTIONS
+ PATCH
+ PUT

lambda_gateway/request_handler.py

@@ -3,15 +3,27 @@
 
 
 class LambdaRequestHandler(SimpleHTTPRequestHandler):
+    def do_DELETE(self):
+        self.invoke('DELETE')
+
     def do_GET(self):
         self.invoke('GET')
 
     def do_HEAD(self):
         self.invoke('HEAD')
 
+    def do_OPTIONS(self):
+        self.invoke('OPTIONS')
+
+    def do_PATCH(self):
+        self.invoke('PATCH')
+
     def do_POST(self):
         self.invoke('POST')
 
+    def do_PUT(self):
+        self.invoke('PUT')
+
     def get_body(self):
         """
         Get request body to forward to Lambda handler.

tests/test_request_handler.py

@@ -74,7 +74,8 @@ def test_set_proxy(self, proxy, version):
         assert LambdaRequestHandler.proxy == proxy
         assert LambdaRequestHandler.version == version
 
-    @pytest.mark.parametrize('verb', ['GET', 'HEAD', 'POST'])
+    @pytest.mark.parametrize('verb', [
+        'DELETE', 'GET', 'HEAD', 'OPTIONS', 'PATCH', 'POST', 'PUT'])
     def test_do(self, verb):
         getattr(LambdaRequestHandler, f'do_{verb}')(self.subject)
         self.subject.invoke.assert_called_once_with(verb)