From cb9f1c76bb9255e0dd8f6f16537de21e94a5ed48 Mon Sep 17 00:00:00 2001
From: thymusvulgaris <87661013+thymusvulgaris@users.noreply.github.com>
Date: Thu, 27 Jun 2024 19:43:12 +0100
Subject: [PATCH] Add Plug.Static tests (#1236)

* Add test that asserts Plug.Static.call/2 serves files from the
  app directory using a :from with an application name and
  directory.
---
 test/plug/static_test.exs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/test/plug/static_test.exs b/test/plug/static_test.exs
index ce89a145..1c658ad9 100644
--- a/test/plug/static_test.exs
+++ b/test/plug/static_test.exs
@@ -313,6 +313,29 @@ defmodule Plug.StaticTest do
     assert get_resp_header(conn, "vary") == ["Accept-Encoding"]
   end
 
+  test "call/2 serves files from the app directory using a :from with an application name and directory" do
+    app_dir = Application.app_dir(:plug)
+    fixture = Path.join(app_dir, "tmp.txt")
+
+    try do
+      :ok = File.write!(fixture, "ABCD")
+
+      opts = [
+        at: "priv/static",
+        from: {:plug, "."}
+      ]
+
+      conn =
+        conn(:get, "/priv/static/tmp.txt")
+        |> call(opts)
+
+      assert conn.status == 200
+      assert conn.resp_body == "ABCD"
+    after
+      :ok = File.rm!(fixture)
+    end
+  end
+
   test "raises an exception if :from isn't a binary or an atom" do
     assert_raise ArgumentError, fn ->
       defmodule ExceptionPlug do