1 files changed, 30 insertions, 0 deletions
diff --git a/test/exdatadog/config_test.exs b/test/exdatadog/config_test.exs
new file mode 100644
index 0000000..2be0c38
--- /dev/null
+++ b/test/exdatadog/config_test.exs
@@ -0,0 +1,30 @@
+defmodule Exdatadog.Config.Test do
+  @moduledoc """
+  Provides tests for Exdatadog.Config
+  """
+  use ExUnit.Case
+
+  import Exdatadog.Config
+
+  setup_all do
+    System.put_env("TEST_VAR", "BAR")
+    Application.put_env(:test_app, :test_key, {:system, "TEST_VAR"})
+    Application.put_env(:test_app, :test_foo, "FOO")
+
+    on_exit fn ->
+      System.delete_env("TEST_VAR")
+      Application.delete_env(:test_app, :test_key)
+      Application.delete_env(:test_app, :test_foo)
+    end
+
+  end
+
+  test "can read variable from application settings" do
+    assert get_env_var(:test_app, :test_foo) == "FOO"
+  end
+
+  test "can read environment variables for settings" do
+    assert get_env_var(:test_app, :test_key) == "BAR"
+  end
+
+end