1 files changed, 34 insertions, 3 deletions

diff --git a/internal/web/web_test.go b/internal/web/web_test.go
index 12e30f2..e9e38fb 100644
--- a/internal/web/web_test.go
+++ b/internal/web/web_test.go
@@ -216,7 +216,7 @@ func TestHeaderFold(t *testing.T) {
 	render := func(th Theme, mods []store.Module) string {
 		var b strings.Builder
 		l := buildLayout(th, mods)
-		v := view{Blog: &store.Blog{Title: "Gizmo"}, Data: map[string]any{"theme": th, "layout": l, "menu": []store.MenuItem{{Label: "Home", URL: "/"}, {Label: "About", URL: "/about"}}}}
+		v := view{Blog: &store.Blog{Title: "Gizmo"}, Media: "/media", Data: map[string]any{"theme": th, "layout": l, "menu": []store.MenuItem{{Label: "Home", URL: "/"}, {Label: "About", URL: "/about"}}}}
 		if err := tpl.ExecuteTemplate(&b, "siteheader", v); err != nil {
 			t.Fatal(err)
 		}
@@ -244,6 +244,37 @@ func TestHeaderFold(t *testing.T) {
 	}
 }
 
+// The design page's preview is the header alone as a page of its own, with
+// the blog's files linked through the dashboard's path for them.
+func TestDesignPreview(t *testing.T) {
+	tpl, err := newTemplates(false).get("en", "blog/preview.html")
+	if err != nil {
+		t.Fatal(err)
+	}
+	th := DefaultTheme()
+	th.Logo, th.BgImage = uuid.New().String(), uuid.New().String()
+	media := "/b/gizmo/media"
+	l := buildLayout(th, []store.Module{{Area: "header", Kind: "title"}, {Area: "header", Kind: "logo"}, {Area: "header", Kind: "menu"}, {Area: "left", Kind: "recent"}})
+	v := view{Blog: &store.Blog{Title: "Gizmo"}, Lang: "en", Media: media, Data: map[string]any{"theme": th, "css": th.CSSAt(media), "layout": l, "menu": []store.MenuItem{{Label: "About", URL: "/about"}}}}
+	var b strings.Builder
+	if err := tpl.ExecuteTemplate(&b, "preview", v); err != nil {
+		t.Fatal(err)
+	}
+	out := b.String()
+	for _, want := range []string{`<link rel="stylesheet" href="/static/blog.css">`, `<body class="nav-left nav-ul-hover nav-size-normal nav-gap-normal nav-active-underline nav-bold">`,
+		`<img class="logo" src="/b/gizmo/media/` + th.Logo, `background-image:url(/b/gizmo/media/` + th.BgImage, `<a href="/about">About</a>`} {
+		if !strings.Contains(out, want) {
+			t.Errorf("preview missing %q:\n%s", want, out)
+		}
+	}
+	if strings.Contains(out, "mod-recent") || strings.Contains(out, "url(/media/") {
+		t.Errorf("preview: %s", out)
+	}
+	if css := th.CSS(); !strings.Contains(css, "url(/media/"+th.BgImage) {
+		t.Errorf("blog css: %s", css)
+	}
+}
+
 // Announcements on post pages are on by default (the look blogs had before
 // the switch) and, like every checkbox, off when the box is unticked; stored
 // themes from before the option get the default too.
@@ -318,7 +349,7 @@ func TestHeaderRule(t *testing.T) {
 	logo := uuid.New().String()
 	render := func(kind string, th Theme) string {
 		var b strings.Builder
-		root := view{Blog: &store.Blog{Title: "Gizmo", Tagline: "a hacklab"}, Data: map[string]any{"theme": th, "layout": Layout{}}}
+		root := view{Blog: &store.Blog{Title: "Gizmo", Tagline: "a hacklab"}, Media: "/media", Data: map[string]any{"theme": th, "layout": Layout{}}}
 		if err := tpl.ExecuteTemplate(&b, "module", map[string]any{"m": store.Module{Area: "header", Kind: kind}, "root": root}); err != nil {
 			t.Fatal(err)
 		}
@@ -748,7 +779,7 @@ func TestAllTemplatesParse(t *testing.T) {
 	for _, name := range []string{"auth/login.html", "dashboard/overview.html", "dashboard/pages.html", "dashboard/page_form.html",
 		"dashboard/posts.html", "dashboard/post_form.html", "dashboard/design.html", "dashboard/files.html", "dashboard/settings.html",
 		"dashboard/password.html", "dashboard/confirm.html", "dashboard/sections.html", "dashboard/section_form.html", "admin/index.html", "admin/new_user.html", "admin/delete_user.html",
-		"blog/page.html", "blog/post.html", "blog/tag.html", "blog/search.html", "blog/404.html"} {
+		"blog/page.html", "blog/post.html", "blog/tag.html", "blog/search.html", "blog/404.html", "blog/preview.html"} {
 		for _, l := range i18n.Languages() {
 			if _, err := tpl.get(l.Code, name); err != nil {
 				t.Errorf("%s (%s): %v", name, l.Code, err)