add test for backoff

This commit is contained in:
FloatingGhost 2023-12-15 17:29:02 +00:00 committed by Floatingghost
parent ad7dcf38a8
commit 2437a3e9ba
2 changed files with 35 additions and 2 deletions

View file

@ -28,8 +28,7 @@ defmodule Pleroma.HTTP.Backoff do
# this ensures that we don't hammer the server with requests, and instead wait for the backoff to expire # this ensures that we don't hammer the server with requests, and instead wait for the backoff to expire
# this is a very simple implementation, and can be improved upon! # this is a very simple implementation, and can be improved upon!
%{host: host} = URI.parse(url) %{host: host} = URI.parse(url)
case @cachex.get(@backoff_cache, host) do
case @cachex.get(@backoff_cache, host) do
{:ok, nil} -> {:ok, nil} ->
case HTTP.get(url, headers, options) do case HTTP.get(url, headers, options) do
{:ok, env} -> {:ok, env} ->

View file

@ -0,0 +1,34 @@
defmodule Pleroma.HTTP.BackoffTest do
@backoff_cache :http_backoff_cache
use Pleroma.DataCase, async: false
alias Pleroma.HTTP.Backoff
describe "get/3" do
test "should return {:ok, env} when not rate limited" do
Tesla.Mock.mock_global(fn
%Tesla.Env{url: "https://akkoma.dev/api/v1/instance"} ->
{:ok, %Tesla.Env{status: 200, body: "ok"}}
end)
assert {:ok, env} = Backoff.get("https://akkoma.dev/api/v1/instance")
assert env.status == 200
end
test "should return {:error, env} when rate limited" do
# Shove a value into the cache to simulate a rate limit
Cachex.put(@backoff_cache, "akkoma.dev", true)
assert {:error, env} = Backoff.get("https://akkoma.dev/api/v1/instance")
assert env.status == 429
end
test "should insert a value into the cache when rate limited" do
Tesla.Mock.mock_global(fn
%Tesla.Env{url: "https://ratelimited.dev/api/v1/instance"} ->
{:ok, %Tesla.Env{status: 429, body: "Rate limited"}}
end)
assert {:error, env} = Backoff.get("https://ratelimited.dev/api/v1/instance")
assert env.status == 429
assert {:ok, true} = Cachex.get(@backoff_cache, "ratelimited.dev")
end
end
end