chore: refresh gramsrv public release

internal/rpc/messages_webpage_preview_rpc_test.go

@@ -0,0 +1,77 @@
+package rpc
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/gotd/td/tg"
+
+	"telesrv/internal/domain"
+)
+
+// TestWebPagePreviewMedia 验证 getWebPagePreview 的 media 决策：done 卡片→messageMediaWebPage，
+// 无链接/解析失败/非 done 一律 messageMediaEmpty（绝不返回 pending、绝不报错）。
+func TestWebPagePreviewMedia(t *testing.T) {
+	ctx := context.Background()
+	urlEntities := []tg.MessageEntityClass{&tg.MessageEntityURL{Offset: 0, Length: 9}} // "https://x"
+
+	doneCard := domain.MessageWebPage{
+		State:      domain.MessageWebPageStateDone,
+		ID:         42,
+		URL:        "https://x",
+		DisplayURL: "x",
+		Title:      "Hello",
+		Photo: &domain.Photo{
+			ID: 7, AccessHash: 8, DCID: 2,
+			Sizes: []domain.PhotoSize{{Kind: domain.PhotoSizeKindDefault, Type: "x", W: 320, H: 200, Size: 1024}},
+		},
+	}
+
+	files := &fakeFiles{resolveWebPageFn: func(string) (domain.MessageWebPage, error) { return doneCard, nil }}
+	r := &Router{deps: Deps{Files: files}}
+
+	t.Run("done-card", func(t *testing.T) {
+		media := r.webPagePreviewMedia(ctx, "https://x", urlEntities)
+		wrap, ok := media.(*tg.MessageMediaWebPage)
+		if !ok {
+			t.Fatalf("media = %T, want *tg.MessageMediaWebPage", media)
+		}
+		page, ok := wrap.Webpage.(*tg.WebPage)
+		if !ok {
+			t.Fatalf("webpage = %T, want *tg.WebPage", wrap.Webpage)
+		}
+		if v, _ := page.GetTitle(); v != "Hello" {
+			t.Fatalf("title = %q, want Hello", v)
+		}
+	})
+
+	t.Run("no-url", func(t *testing.T) {
+		if media := r.webPagePreviewMedia(ctx, "plain text", nil); !isEmptyMedia(media) {
+			t.Fatalf("media = %T, want empty", media)
+		}
+	})
+
+	t.Run("resolve-error-degrades", func(t *testing.T) {
+		files.resolveWebPageFn = func(string) (domain.MessageWebPage, error) {
+			return domain.MessageWebPage{}, errors.New("boom")
+		}
+		if media := r.webPagePreviewMedia(ctx, "https://x", urlEntities); !isEmptyMedia(media) {
+			t.Fatalf("media = %T, want empty on error", media)
+		}
+	})
+
+	t.Run("non-done-state-degrades", func(t *testing.T) {
+		files.resolveWebPageFn = func(string) (domain.MessageWebPage, error) {
+			return domain.MessageWebPage{State: domain.MessageWebPageStateEmpty, ID: 1, URL: "https://x"}, nil
+		}
+		if media := r.webPagePreviewMedia(ctx, "https://x", urlEntities); !isEmptyMedia(media) {
+			t.Fatalf("media = %T, want empty for empty-state webpage", media)
+		}
+	})
+}
+
+func isEmptyMedia(m tg.MessageMediaClass) bool {
+	_, ok := m.(*tg.MessageMediaEmpty)
+	return ok
+}