Add config endpoint

test/mobilizon_web/resolvers/config_resolver_test.exs

@@ -0,0 +1,25 @@
+defmodule MobilizonWeb.Resolvers.ConfigResolverTest do
+  alias MobilizonWeb.AbsintheHelpers
+  use MobilizonWeb.ConnCase
+  use Bamboo.Test
+
+  describe "Resolver: Get config" do
+    test "get_config/3 returns the instance config", context do
+      query = """
+      {
+        config {
+            name,
+            registrationsOpen
+        }
+      }
+      """
+
+      res =
+        context.conn
+        |> get("/api", AbsintheHelpers.query_skeleton(query, "config"))
+
+      assert json_response(res, 200)["data"]["config"]["name"] == "Localhost"
+      assert json_response(res, 200)["data"]["config"]["registrationsOpen"] == true
+    end
+  end
+end