mobilizon/test/federation/activity_pub/actor_test.exs

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defmodule Mobilizon.Federation.ActivityPub.ActorTest do
use Mobilizon.DataCase
import Mox
import Mock
alias Mobilizon.Actors
alias Mobilizon.Actors.Actor
alias Mobilizon.Federation.ActivityPub.Actor, as: ActivityPubActor
alias Mobilizon.Federation.ActivityPub.Relay
alias Mobilizon.Service.HTTP.ActivityPub.Mock
alias Mobilizon.Service.HTTP.HostMetaClient.Mock, as: HostMetaClientMock
alias Mobilizon.Service.HTTP.WebfingerClient.Mock, as: WebfingerClientMock
describe "fetching actor from its url" do
@actor_url "https://framapiaf.org/users/tcit"
test "returns an actor from nickname" do
actor_data =
File.read!("test/fixtures/mastodon-actor.json")
|> Jason.decode!()
|> Map.put("id", @actor_url)
|> Map.put("preferredUsername", "tcit")
|> Map.put("discoverable", true)
Mock
|> expect(:call, fn
%{method: :get, url: @actor_url}, _opts ->
{:ok, %Tesla.Env{status: 200, body: actor_data}}
end)
HostMetaClientMock
|> expect(:call, fn
%{method: :get, url: "https://framapiaf.org/.well-known/host-meta"}, _opts ->
{:ok, %Tesla.Env{status: 404, body: ""}}
end)
webfinger_data =
File.read!("test/fixtures/webfinger/mastodon-webfinger.json")
|> String.replace("social.tcit.fr", "framapiaf.org")
|> Jason.decode!()
WebfingerClientMock
|> expect(:call, fn
%{
method: :get,
url: "https://framapiaf.org/.well-known/webfinger?resource=acct:tcit@framapiaf.org"
},
_opts ->
{:ok, %Tesla.Env{status: 200, body: webfinger_data}}
end)
assert {:ok,
%Actor{preferred_username: "tcit", domain: "framapiaf.org", visibility: :public} =
_actor} = ActivityPubActor.make_actor_from_nickname("tcit@framapiaf.org")
end
test "returns an actor from nickname when not discoverable" do
actor_data =
File.read!("test/fixtures/mastodon-actor.json")
|> Jason.decode!()
|> Map.put("id", @actor_url)
|> Map.put("preferredUsername", "tcit")
Mock
|> expect(:call, fn
%{method: :get, url: @actor_url}, _opts ->
{:ok, %Tesla.Env{status: 200, body: actor_data}}
end)
HostMetaClientMock
|> expect(:call, fn
%{method: :get, url: "https://framapiaf.org/.well-known/host-meta"}, _opts ->
{:ok, %Tesla.Env{status: 404, body: ""}}
end)
webfinger_data =
File.read!("test/fixtures/webfinger/mastodon-webfinger.json")
|> String.replace("social.tcit.fr", "framapiaf.org")
|> Jason.decode!()
WebfingerClientMock
|> expect(:call, fn
%{
method: :get,
url: "https://framapiaf.org/.well-known/webfinger?resource=acct:tcit@framapiaf.org"
},
_opts ->
{:ok, %Tesla.Env{status: 200, body: webfinger_data}}
end)
assert {:ok,
%Actor{preferred_username: "tcit", domain: "framapiaf.org", visibility: :unlisted} =
_actor} = ActivityPubActor.make_actor_from_nickname("tcit@framapiaf.org")
end
test "returns an actor from url" do
actor_data =
File.read!("test/fixtures/mastodon-actor.json")
|> Jason.decode!()
|> Map.put("id", @actor_url)
|> Map.put("preferredUsername", "tcit")
Mock
|> expect(:call, fn
%{method: :get, url: @actor_url}, _opts ->
{:ok, %Tesla.Env{status: 200, body: actor_data}}
end)
# Initial fetch
# Unlisted because discoverable is not present in the JSON payload
assert {:ok,
%Actor{preferred_username: "tcit", domain: "framapiaf.org", visibility: :unlisted}} =
ActivityPubActor.get_or_fetch_actor_by_url(@actor_url)
# Fetch uses cache if Actors.needs_update? returns false
with_mocks([
{Actors, [:passthrough],
[
get_actor_by_url: fn @actor_url, false ->
{:ok,
%Actor{
preferred_username: "tcit",
domain: "framapiaf.org"
}}
end,
needs_update?: fn _ -> false end
]},
{ActivityPubActor, [:passthrough],
make_actor_from_url: fn @actor_url, [] ->
{:ok,
%Actor{
preferred_username: "tcit",
domain: "framapiaf.org"
}}
end}
]) do
assert {:ok, %Actor{preferred_username: "tcit", domain: "framapiaf.org"}} =
ActivityPubActor.get_or_fetch_actor_by_url(@actor_url)
assert_called(Actors.needs_update?(:_))
refute called(ActivityPubActor.make_actor_from_url(@actor_url, []))
end
# Fetch doesn't use cache if Actors.needs_update? returns true
with_mocks([
{Actors, [:passthrough],
[
get_actor_by_url: fn @actor_url, false ->
{:ok,
%Actor{
preferred_username: "tcit",
domain: "framapiaf.org"
}}
end,
needs_update?: fn _ -> true end
]},
{ActivityPubActor, [:passthrough],
make_actor_from_url: fn @actor_url, [] ->
{:ok,
%Actor{
preferred_username: "tcit",
domain: "framapiaf.org"
}}
end}
]) do
assert {:ok, %Actor{preferred_username: "tcit", domain: "framapiaf.org"}} =
ActivityPubActor.get_or_fetch_actor_by_url(@actor_url)
assert_called(ActivityPubActor.get_or_fetch_actor_by_url(@actor_url))
assert_called(Actors.get_actor_by_url(@actor_url, false))
assert_called(Actors.needs_update?(:_))
assert_called(ActivityPubActor.make_actor_from_url(@actor_url, []))
end
end
test "handles remote actor being deleted" do
Mock
|> expect(:call, fn
%{method: :get, url: @actor_url}, _opts ->
{:ok, %Tesla.Env{status: 410, body: ""}}
end)
assert match?(
{:error, :actor_deleted},
ActivityPubActor.make_actor_from_url(@actor_url, [])
)
end
@public_url "https://www.w3.org/ns/activitystreams#Public"
test "activitystreams#Public uri returns Relay actor" do
assert ActivityPubActor.get_or_fetch_actor_by_url(@public_url) == {:ok, Relay.get_actor()}
end
end
end