From 8b01385465a2a1366ca2a62a99211140a9c62fa2 Mon Sep 17 00:00:00 2001
From: BooD <bood_kb@mail.ru>
Date: Thu, 5 Oct 2017 18:13:40 +0300
Subject: [PATCH] Add HTTP PATCH support

---
 include/crow/common.h |  5 +++++
 tests/unittest.cpp    | 16 ++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/include/crow/common.h b/include/crow/common.h
index 84d13614f..ac6e789d6 100644
--- a/include/crow/common.h
+++ b/include/crow/common.h
@@ -19,6 +19,7 @@ namespace crow
         CONNECT,
         OPTIONS,
         TRACE,
+        PATCH = 24,
 #endif
 
         Delete = 0,
@@ -29,6 +30,7 @@ namespace crow
         Connect,
         Options,
         Trace,
+        Patch = 24,
     };
 
     inline std::string method_name(HTTPMethod method)
@@ -51,6 +53,8 @@ namespace crow
                 return "OPTIONS";
             case HTTPMethod::Trace:
                 return "TRACE";
+            case HTTPMethod::Patch:
+                return "PATCH";
         }
         return "invalid";
     }
@@ -132,6 +136,7 @@ constexpr crow::HTTPMethod operator "" _method(const char* str, size_t /*len*/)
         crow::black_magic::is_equ_p(str, "OPTIONS", 7) ? crow::HTTPMethod::Options :
         crow::black_magic::is_equ_p(str, "CONNECT", 7) ? crow::HTTPMethod::Connect :
         crow::black_magic::is_equ_p(str, "TRACE", 5) ? crow::HTTPMethod::Trace :
+        crow::black_magic::is_equ_p(str, "PATCH", 5) ? crow::HTTPMethod::Patch :
         throw std::runtime_error("invalid http method");
 }
 #endif
diff --git a/tests/unittest.cpp b/tests/unittest.cpp
index 303fa7233..bffdd60ac 100644
--- a/tests/unittest.cpp
+++ b/tests/unittest.cpp
@@ -324,6 +324,11 @@ TEST(http_method)
     ([](const request& /*req*/){
         return "post";
     });
+    CROW_ROUTE(app, "/patch_only")
+        .methods("PATCH"_method)
+    ([](const request& /*req*/){
+        return "patch";
+    });
 
 
     // cannot have multiple handlers for the same url
@@ -361,6 +366,17 @@ TEST(http_method)
         ASSERT_EQUAL("get", res.body);
     }
 
+    {
+        request req;
+        response res;
+
+        req.url = "/patch_only";
+        req.method = "PATCH"_method;
+        app.handle(req, res);
+
+        ASSERT_EQUAL("patch", res.body);
+    }
+
     {
         request req;
         response res;