+ import Mock
+ import Tesla.Mock
+
+ setup do
+ mock(fn
+ %{method: :get, url: "https://mastodon.example.org/users/userisgone"} ->
+ %Tesla.Env{status: 410}
+
+ %{method: :get, url: "https://mastodon.example.org/users/userisgone404"} ->
+ %Tesla.Env{status: 404}
+
+ env ->
+ apply(HttpRequestMock, :request, [env])
+ end)
+
+ :ok
+ end
+
+ describe "error cases" do
+ setup do
+ mock(fn
+ %{method: :get, url: "https://social.sakamoto.gq/notice/9wTkLEnuq47B25EehM"} ->
+ %Tesla.Env{
+ status: 200,
+ body: File.read!("test/fixtures/fetch_mocks/9wTkLEnuq47B25EehM.json")
+ }
+
+ %{method: :get, url: "https://social.sakamoto.gq/users/eal"} ->
+ %Tesla.Env{
+ status: 200,
+ body: File.read!("test/fixtures/fetch_mocks/eal.json")
+ }
+
+ %{method: :get, url: "https://busshi.moe/users/tuxcrafting/statuses/104410921027210069"} ->
+ %Tesla.Env{
+ status: 200,
+ body: File.read!("test/fixtures/fetch_mocks/104410921027210069.json")
+ }
+
+ %{method: :get, url: "https://busshi.moe/users/tuxcrafting"} ->
+ %Tesla.Env{
+ status: 500
+ }
+ end)
+
+ :ok
+ end
+
+ @tag capture_log: true
+ test "it works when fetching the OP actor errors out" do
+ # Here we simulate a case where the author of the OP can't be read
+ assert {:ok, _} =
+ Fetcher.fetch_object_from_id(
+ "https://social.sakamoto.gq/notice/9wTkLEnuq47B25EehM"
+ )
+ end
+ end
+
+ describe "max thread distance restriction" do
+ @ap_id "http://mastodon.example.org/@admin/99541947525187367"
+ setup do: clear_config([:instance, :federation_incoming_replies_max_depth])
+
+ test "it returns thread depth exceeded error if thread depth is exceeded" do
+ Config.put([:instance, :federation_incoming_replies_max_depth], 0)
+
+ assert {:error, "Max thread distance exceeded."} =
+ Fetcher.fetch_object_from_id(@ap_id, depth: 1)
+ end
+
+ test "it fetches object if max thread depth is restricted to 0 and depth is not specified" do
+ Config.put([:instance, :federation_incoming_replies_max_depth], 0)
+
+ assert {:ok, _} = Fetcher.fetch_object_from_id(@ap_id)
+ end
+
+ test "it fetches object if requested depth does not exceed max thread depth" do
+ Config.put([:instance, :federation_incoming_replies_max_depth], 10)
+
+ assert {:ok, _} = Fetcher.fetch_object_from_id(@ap_id, depth: 10)
+ end
+ end
+