From 35635665de770e38a0616777dc9f498b9431ece5 Mon Sep 17 00:00:00 2001
From: Alexandre Hamez <alexandre.hamez@gmail.com>
Date: Wed, 27 Nov 2024 23:15:55 +0100
Subject: [PATCH] test: add test case for non existing JSON library

---
 test/protox/json_decode_test.exs | 6 ++++++
 test/support/messages.ex         | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/test/protox/json_decode_test.exs b/test/protox/json_decode_test.exs
index b548f8b4..792c38bb 100644
--- a/test/protox/json_decode_test.exs
+++ b/test/protox/json_decode_test.exs
@@ -706,5 +706,11 @@ defmodule Protox.JsonDecodeTest do
         )
       end
     end
+
+    test "Failure: DummyJsonLibrary", %{} do
+      assert_raise Protox.JsonLibraryError, fn ->
+        Protox.json_decode!("", WithDummyJsonLibrary.Msg)
+      end
+    end
   end
 end
diff --git a/test/support/messages.ex b/test/support/messages.ex
index 947f5acc..34d8cbe3 100644
--- a/test/support/messages.ex
+++ b/test/support/messages.ex
@@ -14,6 +14,13 @@ defmodule Protox.Messages do
     namespace: WithJason,
     json_library: Jason
 
+  use Protox,
+    files: [
+      "./test/samples/messages.proto"
+    ],
+    namespace: WithDummyJsonLibrary,
+    json_library: DummyJsonLibrary
+
   use Protox,
     files: [
       "./test/samples/messages.proto",