| 1 | package gallery |
| 2 | |
| 3 | import ( |
| 4 | "html/template" |
| 5 | "regexp" |
| 6 | "strings" |
| 7 | "testing" |
| 8 | |
| 9 | "amadan.net/rastrillo/fiesta" |
| 10 | ) |
| 11 | |
| 12 | // The demo application and the modal route as the render writes them: |
| 13 | // four documents in the sidebar shell Fiesta ships, the modal at an |
| 14 | // address of its own, the Overview framing the demo, and nothing else |
| 15 | // in the tree laying a modal over the page it is on. The drives in |
| 16 | // demo_browser_test.go take over where the engine has to answer. |
| 17 | |
| 18 | // demoFiles is the demo's four documents, the index first, keyed by |
| 19 | // the view each shows. |
| 20 | var demoFiles = map[string]string{ |
| 21 | "index": "demo.html", |
| 22 | "dashboard": "demo-dashboard.html", |
| 23 | "requests": "demo-requests.html", |
| 24 | "request": "demo-request.html", |
| 25 | } |
| 26 | |
| 27 | // demoScripts are the scripts a demo document loads, in order: frame.js |
| 28 | // first, as every document the gallery frames, then the four the spec |
| 29 | // names, which are the layout's own minus the ones the demo has no |
| 30 | // control for. |
| 31 | var demoScripts = []string{"frame.js", "js/fiesta.js", "js/light.js", "js/anchor.js", "js/shell.js"} |
| 32 | |
| 33 | // TestTheDemoIsFourDocumentsInTheShippedShell: in every theme and |
| 34 | // locale the demo application is four documents, each the sidebar |
| 35 | // shell the layout examples ship (the index on demo.html, a content |
| 36 | // page on the other three), with the brand Harbour going to the |
| 37 | // demo's own index, a rail of two links with the current one marked |
| 38 | // for the view, the way up to the index at the row just left, Ada |
| 39 | // Lovelace at the foot, the language menu going to the same document |
| 40 | // in each of the twelve locales with this one marked, the view's own |
| 41 | // section and no other, a way back to the design system, the scripts |
| 42 | // the spec names and no others, and no link out of the gallery's own: |
| 43 | // every href in the body is the gallery's or a fragment. |
| 44 | func TestTheDemoIsFourDocumentsInTheShippedShell(t *testing.T) { |
| 45 | const mount = "/x" |
| 46 | files := render(t, mount) |
| 47 | s := newTestSite(t, fiesta.FS(), mount) |
| 48 | attr := func(n node, name string) string { v, _ := n.attr(name); return v } |
| 49 | index := parse(t, files["day/en/frames/layout-sidebar/default.html"]) |
| 50 | page := parse(t, files["day/en/frames/layout-sidebar-page/default.html"]) |
| 51 | read := 0 |
| 52 | for _, dir := range dirs() { |
| 53 | theme, locale, _ := strings.Cut(strings.TrimSuffix(dir, "/"), "/") |
| 54 | for view, file := range demoFiles { |
| 55 | name := dir + file |
| 56 | body, ok := files[name] |
| 57 | if !ok { |
| 58 | t.Errorf("the render wrote no %s", name) |
| 59 | continue |
| 60 | } |
| 61 | read++ |
| 62 | doc := parse(t, body) |
| 63 | |
| 64 | // The shell, and its skeleton the layout's own. |
| 65 | wantShell, layout := "page", page |
| 66 | if view == "index" { |
| 67 | wantShell, layout = "index", index |
| 68 | } |
| 69 | if m := shellRoot.FindSubmatch(body); m == nil || string(m[1]) != wantShell { |
| 70 | t.Errorf("%s does not open the sidebar shell as %q", name, wantShell) |
| 71 | } |
| 72 | if got, want := shellSkeleton(doc), shellSkeleton(layout); !sameKeys(got, want) { |
| 73 | t.Errorf("%s: the shell's skeleton %v is not the layout's %v", name, keysOf(got), keysOf(want)) |
| 74 | } |
| 75 | |
| 76 | // The brand, both copies. |
| 77 | brands := doc.find(byAttr("rst-shell-brand", "")) |
| 78 | if len(brands) == 0 { |
| 79 | t.Errorf("%s has no brand", name) |
| 80 | } |
| 81 | for _, b := range brands { |
| 82 | if b.text() != "Harbour" || attr(b, "href") != s.href(theme, locale, "demo.html") || !hasAttr(b, "data-gallery-nav") { |
| 83 | t.Errorf("%s: the brand reads %q and goes to %q, want Harbour to the demo's index", name, b.text(), attr(b, "href")) |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | // The rail: two links, the current one the view's. |
| 88 | navs := doc.find(func(n node) bool { |
| 89 | return n.n.Data == "a" && within(n, func(p node) bool { return hasAttr(p, "rst-shell-nav") }) |
| 90 | }) |
| 91 | current := "nav-requests" |
| 92 | if view == "index" || view == "dashboard" { |
| 93 | current = "nav-dashboard" |
| 94 | } |
| 95 | if len(navs) != 2 { |
| 96 | t.Errorf("%s: the rail has %d links, want Dashboard and Requests", name, len(navs)) |
| 97 | } else { |
| 98 | for i, want := range []struct{ id, file string }{{"nav-dashboard", "demo-dashboard.html"}, {"nav-requests", "demo-requests.html"}} { |
| 99 | a := navs[i] |
| 100 | if attr(a, "id") != want.id || attr(a, "href") != s.href(theme, locale, want.file) || !hasAttr(a, "data-gallery-nav") { |
| 101 | t.Errorf("%s: rail link %d is id=%q href=%q, want id=%q href=%q", name, i, attr(a, "id"), attr(a, "href"), want.id, s.href(theme, locale, want.file)) |
| 102 | } |
| 103 | if mark := attr(a, "aria-current") == "page"; mark != (want.id == current) { |
| 104 | t.Errorf("%s: %s marked current %v, want %v", name, want.id, mark, want.id == current) |
| 105 | } |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | // The way up: the index itself on the index, and the row |
| 110 | // just left on a content page. |
| 111 | up := doc.find(func(n node) bool { |
| 112 | return n.n.Data == "a" && attr(n, "rel") == "up" && within(n, func(p node) bool { return hasAttr(p, "rst-shell-back") }) |
| 113 | }) |
| 114 | wantUp := s.href(theme, locale, "demo.html") |
| 115 | if view != "index" { |
| 116 | wantUp += "#" + current |
| 117 | } |
| 118 | if len(up) != 1 || attr(up[0], "href") != wantUp || !hasAttr(up[0], "data-gallery-nav") { |
| 119 | t.Errorf("%s: %d ways up, want one to %s", name, len(up), wantUp) |
| 120 | } |
| 121 | |
| 122 | // The person at the foot. |
| 123 | for _, p := range doc.find(byAttr("rst-person-name", "")) { |
| 124 | if p.text() != "Ada Lovelace" { |
| 125 | t.Errorf("%s: the profile names %q, want Ada Lovelace", name, p.text()) |
| 126 | } |
| 127 | } |
| 128 | if strings.Contains(string(body), "Grace Hopper") || strings.Contains(string(body), "Party planner") { |
| 129 | t.Errorf("%s still carries the layout's own person or brand", name) |
| 130 | } |
| 131 | |
| 132 | // The language menu: the same document in every locale. |
| 133 | langs := doc.find(func(n node) bool { |
| 134 | return n.n.Data == "a" && within(n, func(p node) bool { return hasAttr(p, "rst-locale") }) |
| 135 | }) |
| 136 | if len(langs) != len(Locales) { |
| 137 | t.Errorf("%s: %d language links, want %d", name, len(langs), len(Locales)) |
| 138 | } |
| 139 | for _, a := range langs { |
| 140 | lang := attr(a, "lang") |
| 141 | if attr(a, "href") != s.href(theme, lang, file) || !hasAttr(a, "data-gallery-nav") { |
| 142 | t.Errorf("%s: the %s link goes to %q, want %q", name, lang, attr(a, "href"), s.href(theme, lang, file)) |
| 143 | } |
| 144 | if mark := attr(a, "aria-current") == "true"; mark != (lang == locale) { |
| 145 | t.Errorf("%s: the %s link marked current %v", name, lang, mark) |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | // The view, alone. |
| 150 | wantView := "view-" + view |
| 151 | if view == "index" { |
| 152 | wantView = "view-dashboard" |
| 153 | } |
| 154 | views := doc.find(byClass("app-view")) |
| 155 | if len(views) != 1 || attr(views[0], "id") != wantView { |
| 156 | var ids []string |
| 157 | for _, v := range views { |
| 158 | ids = append(ids, attr(v, "id")) |
| 159 | } |
| 160 | t.Errorf("%s shows the views %v, want exactly %s", name, ids, wantView) |
| 161 | } |
| 162 | |
| 163 | // The way back to the design system. |
| 164 | back := s.say(locale, "gallery.back") |
| 165 | found := false |
| 166 | for _, a := range bodyLinks(t, doc) { |
| 167 | if a.text() == back && attr(a, "href") == s.href(theme, locale, "index.html") && hasAttr(a, "data-gallery-nav") { |
| 168 | found = true |
| 169 | } |
| 170 | } |
| 171 | if !found { |
| 172 | t.Errorf("%s has no %q link to the Overview", name, back) |
| 173 | } |
| 174 | |
| 175 | // The scripts. |
| 176 | var scripts []string |
| 177 | for _, sc := range doc.find(func(n node) bool { return n.n.Data == "script" }) { |
| 178 | scripts = append(scripts, attr(sc, "src")) |
| 179 | } |
| 180 | var want []string |
| 181 | for _, sc := range demoScripts { |
| 182 | want = append(want, s.asset(sc)) |
| 183 | } |
| 184 | if strings.Join(scripts, " ") != strings.Join(want, " ") { |
| 185 | t.Errorf("%s loads %v, want %v", name, scripts, want) |
| 186 | } |
| 187 | |
| 188 | // Nothing leaves the gallery. |
| 189 | for _, a := range bodyLinks(t, doc) { |
| 190 | h := attr(a, "href") |
| 191 | if !strings.HasPrefix(h, "#") && !(hasAttr(a, "data-gallery-nav") && strings.HasPrefix(h, mount+"/")) { |
| 192 | t.Errorf("%s: %q goes to %q, neither the gallery's nor a fragment", name, a.text(), h) |
| 193 | } |
| 194 | } |
| 195 | } |
| 196 | } |
| 197 | if read != len(dirs())*len(demoFiles) { |
| 198 | t.Fatalf("read %d demo documents, want %d", read, len(dirs())*len(demoFiles)) |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | // sameKeys says whether two sets hold the same keys. |
| 203 | func sameKeys(a, b map[string]bool) bool { |
| 204 | if len(a) != len(b) { |
| 205 | return false |
| 206 | } |
| 207 | for k := range a { |
| 208 | if !b[k] { |
| 209 | return false |
| 210 | } |
| 211 | } |
| 212 | return true |
| 213 | } |
| 214 | |
| 215 | // keysOf is a set's keys, for a message. |
| 216 | func keysOf(m map[string]bool) []string { |
| 217 | var out []string |
| 218 | for k := range m { |
| 219 | out = append(out, k) |
| 220 | } |
| 221 | return out |
| 222 | } |
| 223 | |
| 224 | // liveOverlay is a modal laid out live: the overlay or the backdrop as |
| 225 | // an element, never as escaped source in a code block. |
| 226 | var liveOverlay = regexp.MustCompile(`<div rst-(modal-overlay|backdrop)\b`) |
| 227 | |
| 228 | // TestNoGalleryPageOpensAModalOverTheGallery: no document under a theme |
| 229 | // and locale lays a modal over itself but the modal route's own, |
| 230 | // demo-modal.html (the frames are documents of their own, framed, and |
| 231 | // excluded); the modal example's page shows the overlay as source and |
| 232 | // links the route in a new tab; and on the route itself the panel's |
| 233 | // tabs link the route, Close and the back button go to the Overview, |
| 234 | // and the backdrop holds a page that is inert. |
| 235 | func TestNoGalleryPageOpensAModalOverTheGallery(t *testing.T) { |
| 236 | const mount = "/x" |
| 237 | files := render(t, mount) |
| 238 | s := newTestSite(t, fiesta.FS(), mount) |
| 239 | attr := func(n node, name string) string { v, _ := n.attr(name); return v } |
| 240 | routes := 0 |
| 241 | for name, body := range files { |
| 242 | if !strings.HasSuffix(name, ".html") || isFrame(name) || strings.HasSuffix(name, "/demo-modal.html") { |
| 243 | continue |
| 244 | } |
| 245 | if m := liveOverlay.Find(body); m != nil { |
| 246 | t.Errorf("%s lays out a live %s over the page", name, m) |
| 247 | } |
| 248 | } |
| 249 | for _, dir := range dirs() { |
| 250 | theme, locale, _ := strings.Cut(strings.TrimSuffix(dir, "/"), "/") |
| 251 | self := s.href(theme, locale, "demo-modal.html") |
| 252 | overview := s.href(theme, locale, "index.html") |
| 253 | |
| 254 | page := examplePage(t, files, theme, locale, "modal") |
| 255 | if !strings.Contains(strings.Join(sourceTexts(page), "\n"), `<div rst-modal-overlay>`) { |
| 256 | t.Errorf("%smodal.html does not show the overlay as source", dir) |
| 257 | } |
| 258 | link := regexp.MustCompile(`<a data-gallery-nav href="` + regexp.QuoteMeta(self) + `" target="_blank" rel="noopener">`) |
| 259 | if !link.MatchString(page) { |
| 260 | t.Errorf("%smodal.html does not link %s in a new tab", dir, self) |
| 261 | } |
| 262 | |
| 263 | name := dir + "demo-modal.html" |
| 264 | body, ok := files[name] |
| 265 | if !ok { |
| 266 | t.Errorf("the render wrote no %s", name) |
| 267 | continue |
| 268 | } |
| 269 | routes++ |
| 270 | doc := parse(t, body) |
| 271 | if n := len(liveOverlay.FindAll(body, -1)); n != 2 { |
| 272 | t.Errorf("%s lays out %d of the backdrop and the overlay, want both", name, n) |
| 273 | } |
| 274 | backdrop, ok := doc.first(byAttr("rst-backdrop", "")) |
| 275 | if !ok || !hasAttr(backdrop, "inert") { |
| 276 | t.Errorf("%s: the backdrop is missing or not inert", name) |
| 277 | } else { |
| 278 | if h, ok := backdrop.first(func(n node) bool { return n.n.Data == "h1" }); !ok || h.text() != s.say(locale, "gallery.modal.settings") { |
| 279 | t.Errorf("%s: the page under the modal has no heading %q", name, s.say(locale, "gallery.modal.settings")) |
| 280 | } |
| 281 | if !strings.Contains(backdrop.text(), s.say(locale, "gallery.modal.own")) { |
| 282 | t.Errorf("%s: the page under the modal does not say %q", name, s.say(locale, "gallery.modal.own")) |
| 283 | } |
| 284 | } |
| 285 | panel, ok := doc.first(byAttr("rst-modal-panel", "")) |
| 286 | if !ok { |
| 287 | t.Errorf("%s has no panel", name) |
| 288 | continue |
| 289 | } |
| 290 | tabs := panel.find(func(n node) bool { |
| 291 | return n.n.Data == "a" && within(n, func(p node) bool { return p.n.Data == "nav" }) |
| 292 | }) |
| 293 | if len(tabs) != 3 { |
| 294 | t.Errorf("%s: the panel has %d tabs, want 3", name, len(tabs)) |
| 295 | } |
| 296 | for i, a := range tabs { |
| 297 | if attr(a, "href") != self || !hasAttr(a, "data-gallery-nav") { |
| 298 | t.Errorf("%s: tab %q goes to %q, want the route itself", name, a.text(), attr(a, "href")) |
| 299 | } |
| 300 | if mark := attr(a, "aria-current") == "page"; mark != (i == 0) { |
| 301 | t.Errorf("%s: tab %q marked current %v", name, a.text(), mark) |
| 302 | } |
| 303 | } |
| 304 | closers := panel.find(byAttr("rst-modal-close", "")) |
| 305 | if len(closers) != 1 || attr(closers[0], "href") != overview || attr(closers[0], "aria-label") != s.say(locale, "gallery.modal.close") { |
| 306 | t.Errorf("%s: Close does not go to the Overview under its name", name) |
| 307 | } |
| 308 | back := false |
| 309 | for _, a := range panel.find(func(n node) bool { return n.n.Data == "a" }) { |
| 310 | if a.text() == s.say(locale, "gallery.back") && attr(a, "href") == overview && hasAttr(a, "data-gallery-nav") { |
| 311 | back = true |
| 312 | } |
| 313 | } |
| 314 | if !back { |
| 315 | t.Errorf("%s: the panel has no %q button to the Overview", name, s.say(locale, "gallery.back")) |
| 316 | } |
| 317 | for _, id := range []string{"gallery.modal.body", "gallery.modal.nojs", "gallery.modal.inapp"} { |
| 318 | if !strings.Contains(panel.text(), squash(s.say(locale, id))) { |
| 319 | t.Errorf("%s: the panel does not say %q", name, s.say(locale, id)) |
| 320 | } |
| 321 | } |
| 322 | } |
| 323 | if routes != len(dirs()) { |
| 324 | t.Fatalf("read %d modal routes, want %d", routes, len(dirs())) |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | // TestTheOverviewFramesTheDemo: every Overview frames the demo |
| 329 | // application between its intro and its routes: the heading and its |
| 330 | // lead, one widget at the page width with Desktop and Mobile and no |
| 331 | // HTML tab (an application is not a snippet to paste), at the demo's |
| 332 | // heights, framing its own directory's demo.html, and the link that |
| 333 | // opens it in a new tab and says so. |
| 334 | func TestTheOverviewFramesTheDemo(t *testing.T) { |
| 335 | const mount = "/x" |
| 336 | files := render(t, mount) |
| 337 | s := newTestSite(t, fiesta.FS(), mount) |
| 338 | for _, dir := range dirs() { |
| 339 | theme, locale, _ := strings.Cut(strings.TrimSuffix(dir, "/"), "/") |
| 340 | name := dir + "index.html" |
| 341 | page := string(files[name]) |
| 342 | section := regexp.MustCompile(`(?s)<section class="ds-demo" id="demo-app">(.*?)</section>`).FindStringSubmatch(page) |
| 343 | if section == nil { |
| 344 | t.Errorf("%s frames no demo", name) |
| 345 | continue |
| 346 | } |
| 347 | intro, demo, next := strings.Index(page, `class="ds-intro"`), strings.Index(page, `class="ds-demo"`), strings.Index(page, `class="ds-routes"`) |
| 348 | if !(intro >= 0 && intro < demo && demo < next) { |
| 349 | t.Errorf("%s: the demo is not between the intro and the routes", name) |
| 350 | } |
| 351 | body := section[1] |
| 352 | for _, id := range []string{"gallery.demo.heading", "gallery.demo.lead"} { |
| 353 | if !strings.Contains(body, template.HTMLEscapeString(s.say(locale, id))) { |
| 354 | t.Errorf("%s: the demo section does not say %q", name, s.say(locale, id)) |
| 355 | } |
| 356 | } |
| 357 | widgets := widgetsOf(body) |
| 358 | if len(widgets) != 1 { |
| 359 | t.Errorf("%s: %d widgets in the demo section, want 1", name, len(widgets)) |
| 360 | continue |
| 361 | } |
| 362 | w := widgets[0] |
| 363 | if _, ok := previewHeights["demo"]; !ok { |
| 364 | t.Fatal("heights.go has no measured height for the demo") |
| 365 | } |
| 366 | if !strings.Contains(body, `<div class="ds-view ds-view--page" style="`+string(previewStyle(locale, "demo"))) { |
| 367 | t.Errorf("%s: the demo's widget is not at the page width and the demo's heights (%s)", name, previewStyle(locale, "demo")) |
| 368 | } |
| 369 | var order string |
| 370 | for _, m := range tabClass.FindAllStringSubmatch(w, -1) { |
| 371 | order += m[1] |
| 372 | } |
| 373 | if order != "dm" || panelOf(w) != "" { |
| 374 | t.Errorf("%s: the demo's tabs are %q with panel %v, want Desktop and Mobile and no HTML", name, order, panelOf(w) != "") |
| 375 | } |
| 376 | src := `src="` + s.href(theme, locale, "demo.html") + `"` |
| 377 | if strings.Count(w, `<iframe class="ds-view__frame"`) != 1 || !strings.Contains(w, src) { |
| 378 | t.Errorf("%s: the widget does not frame %s", name, src) |
| 379 | } |
| 380 | open := `<a data-gallery-nav href="` + s.href(theme, locale, "demo.html") + `" target="_blank" rel="noopener">` + |
| 381 | template.HTMLEscapeString(s.say(locale, "gallery.demo.open")) + |
| 382 | `<span class="rst-sr-only"> (` + template.HTMLEscapeString(s.say(locale, "gallery.newtab")) + `)</span></a>` |
| 383 | if !strings.Contains(body, open) { |
| 384 | t.Errorf("%s: no link opens the demo in a new tab saying so", name) |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | |