Michael Black
212 lines
8.2 KiB
Go
212 lines
8.2 KiB
Go
package main
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import (
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"bytes"
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"encoding/json"
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"regexp"
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"strings"
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"testing"
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"github.com/bluesky-social/social-app/bskyweb"
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"github.com/flosch/pongo2/v6"
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)
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// renderTemplate executes a template using the live renderer and returns
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// the output. base.html includes templates/scripts.html, which is generated
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// by `yarn build-web`; skip the test if it's missing.
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func renderTemplate(t *testing.T, name string, ctx pongo2.Context) string {
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t.Helper()
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if _, err := bskyweb.TemplateFS.ReadFile("templates/scripts.html"); err != nil {
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t.Skip("templates/scripts.html not present (run yarn build-web first)")
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}
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r := NewRenderer("templates/", &bskyweb.TemplateFS, false)
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tmpl, err := r.TemplateSet.FromCache(name)
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if err != nil {
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t.Fatalf("template load %q: %v", name, err)
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}
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var buf bytes.Buffer
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if err := tmpl.ExecuteWriter(ctx, &buf); err != nil {
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t.Fatalf("template execute %q: %v", name, err)
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}
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return buf.String()
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}
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var jsonLDRe = regexp.MustCompile(`(?s)<script type="application/ld\+json">(.*?)</script>`)
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// extractJSONLD pulls out the body of the application/ld+json script tag.
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func extractJSONLD(t *testing.T, html string) string {
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t.Helper()
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m := jsonLDRe.FindStringSubmatch(html)
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if m == nil {
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t.Fatalf("no application/ld+json script tag in rendered HTML:\n%s", html)
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}
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return strings.TrimSpace(m[1])
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}
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func TestRenderPost_EmitsJSONLD(t *testing.T) {
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pv := makePostView("alice.bsky.social", "did:plc:alice", "abc123", "hello")
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ld, err := buildPostJSONLD(pv, nil, "https://bsky.app/profile/alice.bsky.social/post/abc123", hideEmbedLabels, hideReplyLabels)
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if err != nil {
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t.Fatal(err)
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}
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html := renderTemplate(t, "post.html", pongo2.Context{
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"postView": pv,
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"requestURI": "https://bsky.app/profile/alice.bsky.social/post/abc123",
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"canonicalURL": "https://bsky.app/profile/alice.bsky.social/post/abc123",
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"postJSONLD": ld,
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})
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body := extractJSONLD(t, html)
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var parsed map[string]any
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if err := json.Unmarshal([]byte(body), &parsed); err != nil {
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t.Fatalf("rendered JSON-LD does not parse: %v\n%s", err, body)
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}
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if parsed["@type"] != "WebPage" {
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t.Errorf("expected WebPage envelope, got %v", parsed["@type"])
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}
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// Canonical link should be the handle-form URL.
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if !strings.Contains(html, `<link rel="canonical" href="https://bsky.app/profile/alice.bsky.social/post/abc123" />`) {
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t.Errorf("canonical link missing or wrong:\n%s", html)
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}
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}
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func TestRenderPost_OGImageMatchesJSONLD(t *testing.T) {
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thumb1 := "https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:alice/abc@jpeg"
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thumb2 := "https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:alice/def@jpeg"
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pv := makePostView("alice.bsky.social", "did:plc:alice", "abc123", "look", withImages(thumb1, thumb2))
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ld, _ := buildPostJSONLD(pv, nil, "https://bsky.app/profile/alice.bsky.social/post/abc123", hideEmbedLabels, hideReplyLabels)
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html := renderTemplate(t, "post.html", pongo2.Context{
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"postView": pv,
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"requestURI": "https://bsky.app/profile/alice.bsky.social/post/abc123",
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"canonicalURL": "https://bsky.app/profile/alice.bsky.social/post/abc123",
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"postJSONLD": ld,
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"imgThumbUrls": []string{thumb1, thumb2},
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})
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// og:image and JSON-LD image[] must be byte-identical.
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if !strings.Contains(html, `<meta property="og:image" content="`+thumb1+`">`) {
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t.Errorf("og:image[0] not found in rendered HTML")
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}
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body := extractJSONLD(t, html)
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var parsed map[string]any
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_ = json.Unmarshal([]byte(body), &parsed)
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main := parsed["mainEntity"].(map[string]any)
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imgs := main["image"].([]any)
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if imgs[0] != thumb1 || main["thumbnailUrl"] != thumb1 {
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t.Errorf("JSON-LD image strings drifted from og:image; image[0]=%v thumbnailUrl=%v",
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imgs[0], main["thumbnailUrl"])
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}
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}
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func TestRenderPost_FallsBackToCanonicalizeFilter(t *testing.T) {
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// Without canonicalURL, the template falls back to requestURI|canonicalize_url.
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pv := makePostView("alice.bsky.social", "did:plc:alice", "abc123", "hi")
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ld, _ := buildPostJSONLD(pv, nil, "u", hideEmbedLabels, hideReplyLabels)
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html := renderTemplate(t, "post.html", pongo2.Context{
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"postView": pv,
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"requestURI": "https://bsky.app/profile/alice.bsky.social/post/abc123?utm=foo",
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"postJSONLD": ld,
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})
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if !strings.Contains(html, `<link rel="canonical" href="https://bsky.app/profile/alice.bsky.social/post/abc123" />`) {
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t.Errorf("expected canonicalize_url filter to strip query; got:\n%s", html)
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}
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}
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func TestRenderProfile_EmitsJSONLD(t *testing.T) {
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pv := newProfileViewDetailed()
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ld, err := buildProfileJSONLD(pv, nil, hideEmbedLabels, hideReplyLabels)
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if err != nil {
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t.Fatal(err)
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}
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html := renderTemplate(t, "profile.html", pongo2.Context{
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"profileView": pv,
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"requestURI": "https://bsky.app/profile/alice.bsky.social",
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"canonicalURL": "https://bsky.app/profile/alice.bsky.social",
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"profileJSONLD": ld,
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})
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body := extractJSONLD(t, html)
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var parsed map[string]any
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if err := json.Unmarshal([]byte(body), &parsed); err != nil {
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t.Fatalf("rendered JSON-LD does not parse: %v\n%s", err, body)
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}
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if parsed["@type"] != "ProfilePage" {
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t.Errorf("expected ProfilePage, got %v", parsed["@type"])
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}
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}
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// Regression: auth-required profiles must still emit ProfilePage JSON-LD
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// (without hasPart). Previously regressed when WebProfile short-circuited
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// before buildProfileJSONLD.
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func TestRenderProfile_AuthRequiredEmitsJSONLD(t *testing.T) {
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pv := newProfileViewDetailed()
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ld, err := buildProfileJSONLD(pv, nil, hideEmbedLabels, hideReplyLabels)
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if err != nil {
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t.Fatal(err)
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}
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html := renderTemplate(t, "profile.html", pongo2.Context{
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"profileView": pv,
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"requestURI": "https://bsky.app/profile/alice.bsky.social",
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"requiresAuth": true,
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"profileJSONLD": ld,
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})
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body := extractJSONLD(t, html)
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var parsed map[string]any
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if err := json.Unmarshal([]byte(body), &parsed); err != nil {
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t.Fatalf("rendered JSON-LD does not parse: %v\n%s", err, body)
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}
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if parsed["@type"] != "ProfilePage" {
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t.Errorf("expected ProfilePage, got %v", parsed["@type"])
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}
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if _, present := parsed["hasPart"]; present {
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t.Errorf("auth-required profile should not have hasPart")
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}
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}
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// og:url and <link rel="canonical"> must emit the same URL.
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func TestRenderPost_OGUrlMatchesCanonical(t *testing.T) {
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pv := makePostView("alice.bsky.social", "did:plc:alice", "abc123", "hi")
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ld, _ := buildPostJSONLD(pv, nil, "u", hideEmbedLabels, hideReplyLabels)
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canonical := "https://bsky.app/profile/alice.bsky.social/post/abc123"
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html := renderTemplate(t, "post.html", pongo2.Context{
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"postView": pv,
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"requestURI": "https://bsky.app/profile/did:plc:alice/post/abc123",
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"canonicalURL": canonical,
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"postJSONLD": ld,
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})
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if !strings.Contains(html, `<meta property="og:url" content="`+canonical+`">`) {
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t.Errorf("og:url should equal canonical URL when set; got:\n%s", html)
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}
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if !strings.Contains(html, `<link rel="canonical" href="`+canonical+`" />`) {
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t.Errorf("canonical link missing or wrong:\n%s", html)
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}
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// DID-form request URI must not leak into og:url.
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if strings.Contains(html, `<meta property="og:url" content="https://bsky.app/profile/did:plc:alice/post/abc123">`) {
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t.Errorf("og:url should not echo DID-form request URI when canonical is set")
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}
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}
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// og:video must emit even when there is no thumbnail. Previously the
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// {% if videoUrl %} block was nested inside {% if imgThumbUrls %}, so a
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// video without a thumbnail dropped og:video entirely.
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func TestRenderPost_VideoWithoutThumbnailEmitsOGVideo(t *testing.T) {
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pv := makePostView("alice.bsky.social", "did:plc:alice", "abc123", "watch")
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ld, _ := buildPostJSONLD(pv, nil, "u", hideEmbedLabels, hideReplyLabels)
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videoURL := "https://video.bsky.app/v.m3u8"
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html := renderTemplate(t, "post.html", pongo2.Context{
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"postView": pv,
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"requestURI": "https://bsky.app/profile/alice.bsky.social/post/abc123",
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"canonicalURL": "https://bsky.app/profile/alice.bsky.social/post/abc123",
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"postJSONLD": ld,
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"videoUrl": videoURL,
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"videoType": "application/x-mpegURL",
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})
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if !strings.Contains(html, `<meta property="og:video" content="`+videoURL+`">`) {
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t.Errorf("og:video should emit even without imgThumbUrls; got:\n%s", html)
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}
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if !strings.Contains(html, `<meta property="og:video:type" content="application/x-mpegURL">`) {
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t.Errorf("og:video:type should emit even without imgThumbUrls; got:\n%s", html)
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}
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}
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