2 files changed, 57 insertions, 0 deletions
diff --git a/test/matrix_app_service/client.ex b/test/matrix_app_service/client.ex
new file mode 100644
index 0000000..37d2225
--- /dev/null
+++ b/test/matrix_app_service/client.ex
@@ -0,0 +1,4 @@
+defmodule MatrixAppService.ClientTest do
+  use ExUnit.Case
+  use Plug.Test
+end
diff --git a/test/matrix_app_service_web/auth_plug_test.exs b/test/matrix_app_service_web/auth_plug_test.exs
new file mode 100644
index 0000000..1293cec
--- /dev/null
+++ b/test/matrix_app_service_web/auth_plug_test.exs
@@ -0,0 +1,53 @@
+defmodule MatrixAppServiceWeb.AuthPlugTest do
+  use ExUnit.Case
+  use Plug.Test
+
+  import ExUnit.CaptureLog
+
+  test "call with correct acces token returns conn unchanged" do
+    Application.put_env(:matrix_app_service, :homeserver_token, "test_token")
+
+    conn = conn(:get, "/users/2", %{"access_token" => "test_token"})
+
+    assert MatrixAppServiceWeb.AuthPlug.call(conn, nil) == conn
+  end
+
+  test "call with incorrect access token halts with error 403" do
+    Application.put_env(:matrix_app_service, :homeserver_token, "test_token")
+
+    conn =
+      conn(:get, "/users/2", %{"access_token" => "incorrect_token"})
+      |> MatrixAppServiceWeb.AuthPlug.call(nil)
+
+    assert conn.status == 403
+    assert conn.private[:phoenix_template] == "403.json"
+    assert conn.private[:phoenix_view] == MatrixAppServiceWeb.ErrorView
+    assert conn.halted == true
+  end
+
+  test "call with incorrect access token gets logged" do
+    Application.put_env(:matrix_app_service, :homeserver_token, "test_token")
+    conn = conn(:get, "/users/2", %{"access_token" => "incorrect_token"})
+
+    assert capture_log(fn -> MatrixAppServiceWeb.AuthPlug.call(conn, nil) end) =~
+             "Received invalid homeserver token"
+  end
+
+  test "call without access token halts with error 401" do
+    conn =
+      conn(:get, "/users/2")
+      |> MatrixAppServiceWeb.AuthPlug.call(nil)
+
+    assert conn.status == 401
+    assert conn.private[:phoenix_template] == "401.json"
+    assert conn.private[:phoenix_view] == MatrixAppServiceWeb.ErrorView
+    assert conn.halted == true
+  end
+
+  test "call without access token gets logged" do
+    conn = conn(:get, "user/3")
+
+    assert capture_log(fn -> MatrixAppServiceWeb.AuthPlug.call(conn, nil) end) =~
+             "No homeserver token provided"
+  end
+end