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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Instances.InstanceTest do
+ alias Pleroma.Instances.Instance
+ alias Pleroma.Repo
+
+ use Pleroma.DataCase
+
+ import ExUnit.CaptureLog
+ import Pleroma.Factory
+
+ setup_all do: clear_config([:instance, :federation_reachability_timeout_days], 1)
+
+ describe "set_reachable/1" do
+ test "clears `unreachable_since` of existing matching Instance record having non-nil `unreachable_since`" do
+ unreachable_since = NaiveDateTime.to_iso8601(NaiveDateTime.utc_now())
+ instance = insert(:instance, unreachable_since: unreachable_since)
+
+ assert {:ok, instance} = Instance.set_reachable(instance.host)
+ refute instance.unreachable_since
+ end
+
+ test "keeps nil `unreachable_since` of existing matching Instance record having nil `unreachable_since`" do
+ instance = insert(:instance, unreachable_since: nil)
+
+ assert {:ok, instance} = Instance.set_reachable(instance.host)
+ refute instance.unreachable_since
+ end
+
+ test "does NOT create an Instance record in case of no existing matching record" do
+ host = "domain.org"
+ assert nil == Instance.set_reachable(host)
+
+ assert [] = Repo.all(Ecto.Query.from(i in Instance))
+ assert Instance.reachable?(host)
+ end
+ end
+
+ describe "set_unreachable/1" do
+ test "creates new record having `unreachable_since` to current time if record does not exist" do
+ assert {:ok, instance} = Instance.set_unreachable("https://domain.com/path")
+
+ instance = Repo.get(Instance, instance.id)
+ assert instance.unreachable_since
+ assert "domain.com" == instance.host
+ end
+
+ test "sets `unreachable_since` of existing record having nil `unreachable_since`" do
+ instance = insert(:instance, unreachable_since: nil)
+ refute instance.unreachable_since
+
+ assert {:ok, _} = Instance.set_unreachable(instance.host)
+
+ instance = Repo.get(Instance, instance.id)
+ assert instance.unreachable_since
+ end
+
+ test "does NOT modify `unreachable_since` value of existing record in case it's present" do
+ instance =
+ insert(:instance, unreachable_since: NaiveDateTime.add(NaiveDateTime.utc_now(), -10))
+
+ assert instance.unreachable_since
+ initial_value = instance.unreachable_since
+
+ assert {:ok, _} = Instance.set_unreachable(instance.host)
+
+ instance = Repo.get(Instance, instance.id)
+ assert initial_value == instance.unreachable_since
+ end
+ end
+
+ describe "set_unreachable/2" do
+ test "sets `unreachable_since` value of existing record in case it's newer than supplied value" do
+ instance =
+ insert(:instance, unreachable_since: NaiveDateTime.add(NaiveDateTime.utc_now(), -10))
+
+ assert instance.unreachable_since
+
+ past_value = NaiveDateTime.add(NaiveDateTime.utc_now(), -100)
+ assert {:ok, _} = Instance.set_unreachable(instance.host, past_value)
+
+ instance = Repo.get(Instance, instance.id)
+ assert past_value == instance.unreachable_since
+ end
+
+ test "does NOT modify `unreachable_since` value of existing record in case it's equal to or older than supplied value" do
+ instance =
+ insert(:instance, unreachable_since: NaiveDateTime.add(NaiveDateTime.utc_now(), -10))
+
+ assert instance.unreachable_since
+ initial_value = instance.unreachable_since
+
+ assert {:ok, _} = Instance.set_unreachable(instance.host, NaiveDateTime.utc_now())
+
+ instance = Repo.get(Instance, instance.id)
+ assert initial_value == instance.unreachable_since
+ end
+ end
+
+ describe "get_or_update_favicon/1" do
+ test "Scrapes favicon URLs" do
+ Tesla.Mock.mock(fn %{url: "https://favicon.example.org/"} ->
+ %Tesla.Env{
+ status: 200,
+ body: ~s[<html><head><link rel="icon" href="/favicon.png"></head></html>]
+ }
+ end)
+
+ assert "https://favicon.example.org/favicon.png" ==
+ Instance.get_or_update_favicon(URI.parse("https://favicon.example.org/"))
+ end
+
+ test "Returns nil on too long favicon URLs" do
+ long_favicon_url =
+ "https://Lorem.ipsum.dolor.sit.amet/consecteturadipiscingelit/Praesentpharetrapurusutaliquamtempus/Mauriseulaoreetarcu/atfacilisisorci/Nullamporttitor/nequesedfeugiatmollis/dolormagnaefficiturlorem/nonpretiumsapienorcieurisus/Nullamveleratsem/Maecenassedaccumsanexnam/favicon.png"
+
+ Tesla.Mock.mock(fn %{url: "https://long-favicon.example.org/"} ->
+ %Tesla.Env{
+ status: 200,
+ body:
+ ~s[<html><head><link rel="icon" href="] <> long_favicon_url <> ~s["></head></html>]
+ }
+ end)
+
+ assert capture_log(fn ->
+ assert nil ==
+ Instance.get_or_update_favicon(
+ URI.parse("https://long-favicon.example.org/")
+ )
+ end) =~
+ "Instance.get_or_update_favicon(\"long-favicon.example.org\") error: %Postgrex.Error{"
+ end
+
+ test "Handles not getting a favicon URL properly" do
+ Tesla.Mock.mock(fn %{url: "https://no-favicon.example.org/"} ->
+ %Tesla.Env{
+ status: 200,
+ body: ~s[<html><head><h1>I wil look down and whisper "GNO.."</h1></head></html>]
+ }
+ end)
+
+ refute capture_log(fn ->
+ assert nil ==
+ Instance.get_or_update_favicon(
+ URI.parse("https://no-favicon.example.org/")
+ )
+ end) =~ "Instance.scrape_favicon(\"https://no-favicon.example.org/\") error: "
+ end
+ end
+end