初始提交：短剧库源码（含转码优化 ultrafast）

internal/app/ui_playback_danmaku_live_test.go

@@ -0,0 +1,63 @@
+package app
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"os"
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestLiveHongguoPlaybackDanmaku(t *testing.T) {
+	if os.Getenv("JUKU_LIVE_DANMAKU") != "1" {
+		t.Skip("set JUKU_LIVE_DANMAKU=1 for explicit text-only danmaku verification")
+	}
+	cfg := defaultConfig()
+	cfg.dataDir, cfg.OutputDir, cfg.Retries = t.TempDir(), t.TempDir(), 1
+	d := NewDownloader(cfg)
+	transport := d.client.Transport
+	const series = "7615465407347952664"
+	const video = "7615470191303986238"
+	d.client.CheckRedirect = func(*http.Request, []*http.Request) error { return errors.New("test blocks redirects") }
+	d.client.Transport = rankingTransport(func(request *http.Request) (*http.Response, error) {
+		host := request.URL.Hostname()
+		if request.Method != http.MethodPost || request.URL.Scheme != "https" ||
+			(host != "api5-normal-sinfonlinea.fqnovel.com" && host != "api5-normal-sinfonlineb.fqnovel.com") ||
+			request.URL.Path != "/novel/commentapi/comment/list/"+video+"/v1/" {
+			return nil, errors.New("test blocks non-danmaku requests")
+		}
+		response, err := transport.RoundTrip(request)
+		if err == nil && !strings.Contains(strings.ToLower(response.Header.Get("Content-Type")), "json") {
+			response.Body.Close()
+			return nil, errors.New("test blocks non-JSON responses")
+		}
+		return response, err
+	})
+	ctx, cancel := context.WithTimeout(context.Background(), 35*time.Second)
+	defer cancel()
+	count := 0
+	for _, start := range []int64{0, 30000, 150000} {
+		page, err := d.hongguoDanmaku(ctx, series, video, start, 160000)
+		if err != nil {
+			t.Fatalf("window %d: %v", start, err)
+		}
+		if page.StartMS != start || page.NextMS <= start || page.NextMS > 160000 {
+			t.Fatalf("invalid window: %+v", page)
+		}
+		for _, item := range page.Items {
+			if item.Text == "" || item.ID == "" || item.TimeMS < 0 || item.TimeMS >= 160000 {
+				t.Fatal("invalid item")
+			}
+			if item.TimeMS < start || item.TimeMS >= page.NextMS {
+				t.Fatalf("source returned an item outside the requested window: %d, want %d–%d", item.TimeMS, start, page.NextMS)
+			}
+		}
+		count += len(page.Items)
+		t.Logf("window %d → %d ms: %d text items, source episode count %d", start, page.NextMS, len(page.Items), page.Total)
+	}
+	if count == 0 {
+		t.Fatal("known sample returned no real danmaku")
+	}
+}