1package notifications
2
3import (
4	"encoding/json"
5	"expvar"
6	"testing"
7)
8
9func TestMetricsExpvar(t *testing.T) {
10	endpointsVar := expvar.Get("registry").(*expvar.Map).Get("notifications").(*expvar.Map).Get("endpoints")
11
12	var v interface{}
13	if err := json.Unmarshal([]byte(endpointsVar.String()), &v); err != nil {
14		t.Fatalf("unexpected error unmarshaling endpoints: %v", err)
15	}
16	if v != nil {
17		t.Fatalf("expected nil, got %#v", v)
18	}
19
20	NewEndpoint("x", "y", EndpointConfig{})
21
22	if err := json.Unmarshal([]byte(endpointsVar.String()), &v); err != nil {
23		t.Fatalf("unexpected error unmarshaling endpoints: %v", err)
24	}
25	if slice, ok := v.([]interface{}); !ok || len(slice) != 1 {
26		t.Logf("expected one-element []interface{}, got %#v", v)
27	}
28}
29