feat: move native communication to FFI (#1457)

pkg/api/events_test.go

@@ -0,0 +1,37 @@
+package api
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/GopeedLab/gopeed/pkg/download"
+)
+
+func TestTaskEventSubscriptionFiltersMask(t *testing.T) {
+	service := &Service{}
+	var payloads []string
+	service.SubscribeTaskEvents(TaskEventDone, func(payload string) {
+		payloads = append(payloads, payload)
+	})
+
+	task := &download.Task{ID: "task-1"}
+	service.emitTaskEvent(&download.Event{Key: download.EventKeyError, Task: task})
+	service.emitTaskEvent(&download.Event{Key: download.EventKeyDone, Task: task})
+
+	if len(payloads) != 1 {
+		t.Fatalf("got %d callbacks, want 1", len(payloads))
+	}
+	var event TaskEvent
+	if err := json.Unmarshal([]byte(payloads[0]), &event); err != nil {
+		t.Fatal(err)
+	}
+	if event.Type != "task.done" || event.TaskID != task.ID {
+		t.Fatalf("unexpected event: %#v", event)
+	}
+}
+
+func TestTaskEventListenerPanicIsContained(t *testing.T) {
+	service := &Service{}
+	service.SubscribeTaskEvents(TaskEventDone, func(string) { panic("callback failed") })
+	service.emitTaskEvent(&download.Event{Key: download.EventKeyDone, Task: &download.Task{ID: "task-1"}})
+}