Fix proxy to Ecto.transaction/2 (#37)

closes #35

Author: halfdan

lib/new_relixir/plug/repo.ex

@@ -26,9 +26,9 @@ defmodule NewRelixir.Plug.Repo do
 
       import NewRelixir.Plug.Instrumentation
 
-      @spec transaction(Keyword.t, fun) :: {:ok, any} | {:error, any}
-      def transaction(opts \\ [], fun) when is_list(opts) do
-        repo().transaction(opts, fun)
+      @spec transaction(fun, Keyword.t) :: {:ok, any} | {:error, any}
+      def transaction(fun, opts \\ []) when is_list(opts) do
+        repo().transaction(fun, opts)
       end
 
       @spec rollback(any) :: no_return

test/new_relixir/plug/repo_test.exs

@@ -15,8 +15,8 @@ defmodule NewRelixir.Plug.RepoTest do
     def stop(_pid, _timeout \\ 5000) do
     end
 
-    def transaction(opts \\ [], fun) when is_list(opts) do
-      record_call(:transaction, [opts, fun])
+    def transaction(fun, opts \\ []) when is_list(opts) do
+      record_call(:transaction, [fun, opts])
     end
 
     def rollback(value) do