From 21ee44b3d8addcdb9a2b4d9e96c7610b6b2eb8b8 Mon Sep 17 00:00:00 2001
From: Gheorghe Pinzaru <feross95@gmail.com>
Date: Mon, 8 Oct 2018 17:20:38 +0300
Subject: [PATCH] Fix uuid serialization

https://github.com/Vincit/venia/pull/39
---
 src/venia/core.cljc       | 7 ++++++-
 test/venia/core_test.cljc | 6 ++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/venia/core.cljc b/src/venia/core.cljc
index 9d0bb92..76969c1 100644
--- a/src/venia/core.cljc
+++ b/src/venia/core.cljc
@@ -2,7 +2,8 @@
   (:require [venia.spec :as spec]
             [clojure.string :as str])
   #?(:clj
-     (:import (clojure.lang IPersistentMap Keyword IPersistentCollection))))
+     (:import (clojure.lang IPersistentMap Keyword IPersistentCollection)
+              (java.util UUID))))
 
 (defprotocol ArgumentFormatter
   "Protocol responsible for query arguments' formatting to string.
@@ -30,6 +31,8 @@
           (arg->str [arg] "null")
           String
           (arg->str [arg] (str "\"" arg "\""))
+          UUID
+          (arg->str [arg] (str "\"" arg "\""))
           IPersistentMap
           (arg->str [arg] (str "{" (arguments->str arg) "}"))
           IPersistentCollection
@@ -44,6 +47,8 @@
            (arg->str [arg] "null")
            string
            (arg->str [arg] (str "\"" arg "\""))
+           UUID
+           (arg->str [arg] (str "\"" arg "\""))
            PersistentArrayMap
            (arg->str [arg] (str "{" (arguments->str arg) "}"))
            PersistentHashMap
diff --git a/test/venia/core_test.cljc b/test/venia/core_test.cljc
index 5e3dda7..cbd8ba1 100644
--- a/test/venia/core_test.cljc
+++ b/test/venia/core_test.cljc
@@ -98,6 +98,12 @@
           query-str "{employee(id:1,active:true){name,address,friends(id:1){name,email}}}"]
       (is (= query-str (v/graphql-query data)))))
 
+  (testing "Should serialize uuids to strings"
+    (let [data {:venia/queries [[:employee {:id #uuid "db60501e-26c0-43d0-a4d8-21bd401acf6b"}
+                                 [:name]]]}
+          query-str "{employee(id:\"db60501e-26c0-43d0-a4d8-21bd401acf6b\"){name}}"]
+      (is (= query-str (v/graphql-query data)))))
+
   (testing "Should create a valid graphql string using params on fields."
     (let [data {:venia/queries [[:employee [[:name {:isEmpty false}] :address [:friends [:name [:email {:isValid true}]]]]]]}
           query-str "{employee{name(isEmpty:false),address,friends{name,email(isValid:true)}}}"]