add Geef.Config module for Elixir

test/config_test.exs

@@ -0,0 +1,30 @@
+defmodule ConfigTest do
+  use ExUnit.Case
+  use Geef
+  import RepoHelpers
+
+
+  setup do
+    {repo, path} = tmp_bare
+    Process.link(repo)
+    {:ok, config} = Repository.config(repo)
+    on_exit(fn -> File.rm_rf!(path) end)
+    {:ok, [config: config, path: path]}
+  end
+
+  test "write and get a boolean", meta do
+    config = meta[:config]
+    var = "core.logallrefupdates"
+    assert :ok = Config.set(config, var, true)
+    assert {:ok, true} = Config.get_bool(config, var)
+  end
+
+  test "write and get a string", meta do
+    config = meta[:config]
+    var = "user.name"
+    val = "Random J. Hacker"
+    assert :ok = Config.set(config, var, val)
+    assert {:ok, ^val} = Config.get_string(config, var)
+  end
+
+end

test/test_helper.exs

@@ -2,7 +2,7 @@ ExUnit.start
 
 defmodule RepoHelpers do
   def tmp_bare do
-    {a, b, c} = :erlang.now()
+    {a, b, c} = :erlang.timestamp()
     n = node()
     dir = :io_lib.format("geef-~p~p~p~p.git", [n, a, b, c])
     path = Path.join(System.tmp_dir!, dir)