owpengram-server/internal/rpc/messages_get_webpage_test.go

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package rpc
import (
"context"
"errors"
"testing"
"github.com/iamxvbaba/td/tg"
"telesrv/internal/domain"
)
// TestWebPageForURL 验证 getWebPage 决策:done 卡片→webPage;hash 匹配→webPageNotModified;
// 无预览/失败→webPageEmpty(带 URL)。
func TestWebPageForURL(t *testing.T) {
ctx := context.Background()
const url = "https://example.com/x"
done := domain.MessageWebPage{State: domain.MessageWebPageStateDone, ID: 7, URL: url, DisplayURL: "example.com", Title: "T", Hash: 4242}
files := &fakeFiles{resolveWebPageFn: func(string) (domain.MessageWebPage, error) { return done, nil }}
r := &Router{deps: Deps{Files: files}}
t.Run("done-card", func(t *testing.T) {
res := r.webPageForURL(ctx, url, 0)
page, ok := res.Webpage.(*tg.WebPage)
if !ok {
t.Fatalf("webpage = %T, want *tg.WebPage", res.Webpage)
}
if page.URL != url || page.Hash != 4242 {
t.Errorf("page = %+v", page)
}
})
t.Run("hash-match-not-modified", func(t *testing.T) {
res := r.webPageForURL(ctx, url, 4242)
if _, ok := res.Webpage.(*tg.WebPageNotModified); !ok {
t.Fatalf("webpage = %T, want *tg.WebPageNotModified", res.Webpage)
}
})
t.Run("error-empty", func(t *testing.T) {
files.resolveWebPageFn = func(string) (domain.MessageWebPage, error) {
return domain.MessageWebPage{}, errors.New("boom")
}
res := r.webPageForURL(ctx, url, 0)
empty, ok := res.Webpage.(*tg.WebPageEmpty)
if !ok {
t.Fatalf("webpage = %T, want *tg.WebPageEmpty", res.Webpage)
}
if u, _ := empty.GetURL(); u != url {
t.Errorf("empty url = %q, want %q", u, url)
}
})
t.Run("cache-first-skips-resolve", func(t *testing.T) {
// 缓存命中时不应再调 ResolveWebPage(避免请求路径阻塞抓取)。
cf := &fakeFiles{
lookupWebPageFn: func(u string) (domain.MessageWebPage, bool) {
return domain.MessageWebPage{State: domain.MessageWebPageStateDone, ID: 1, URL: u, DisplayURL: "x", Title: "Cached", Hash: 7}, true
},
resolveWebPageFn: func(string) (domain.MessageWebPage, error) {
t.Fatalf("ResolveWebPage must not be called on cache hit")
return domain.MessageWebPage{}, nil
},
}
rc := &Router{deps: Deps{Files: cf}}
res := rc.webPageForURL(ctx, url, 0)
page, ok := res.Webpage.(*tg.WebPage)
if !ok {
t.Fatalf("webpage = %T, want *tg.WebPage", res.Webpage)
}
if v, _ := page.GetTitle(); v != "Cached" {
t.Errorf("title = %q, want Cached", v)
}
})
t.Run("empty-state-empty", func(t *testing.T) {
files.resolveWebPageFn = func(string) (domain.MessageWebPage, error) {
return domain.MessageWebPage{State: domain.MessageWebPageStateEmpty, ID: 7, URL: url}, nil
}
res := r.webPageForURL(ctx, url, 0)
if _, ok := res.Webpage.(*tg.WebPageEmpty); !ok {
t.Fatalf("webpage = %T, want *tg.WebPageEmpty for empty state", res.Webpage)
}
})
}