| 1 | //go:build browser |
| 2 | |
| 3 | // The iOS zoom-on-tap check, in a real Chromium through chromedp. Not |
| 4 | // part of `make ci`, because it needs a Chromium (on PATH, via |
| 5 | // RASTRILLO_CHROME, or in a Playwright cache): |
| 6 | // |
| 7 | // make browser |
| 8 | // |
| 9 | // `make vet` vets this package with the tag, so it cannot stop |
| 10 | // compiling unnoticed. |
| 11 | package calendartest |
| 12 | |
| 13 | import ( |
| 14 | "context" |
| 15 | "fmt" |
| 16 | "io" |
| 17 | "log/slog" |
| 18 | "net/http" |
| 19 | "path/filepath" |
| 20 | "regexp" |
| 21 | "strings" |
| 22 | "testing" |
| 23 | "time" |
| 24 | |
| 25 | "amadan.net/rastrillo/rastrillo/harness" |
| 26 | "github.com/chromedp/cdproto/emulation" |
| 27 | "github.com/chromedp/cdproto/network" |
| 28 | "github.com/chromedp/chromedp" |
| 29 | |
| 30 | calendar "amadan.net/oficina/calendar/internal/calendar" |
| 31 | ) |
| 32 | |
| 33 | // textControls is every control a tap puts a caret in. A checkbox, a |
| 34 | // radio, a file picker or a button raises no keyboard, so iOS never |
| 35 | // zooms for them. |
| 36 | const textControls = `input:not([type=checkbox]):not([type=radio]):not([type=hidden]):not([type=file]):not([type=submit]):not([type=button]):not([type=color]):not([type=range]), select, textarea` |
| 37 | |
| 38 | // TestNoZoomOnTap: iOS Safari zooms the whole page into any text control |
| 39 | // whose type is under 16px, and rastrillo's base type is 14px. Its |
| 40 | // tokens.css brings text controls up to 16px where the pointer is coarse |
| 41 | // ("Touch: the two zooms nobody asked for"); an app on a tokens.css |
| 42 | // without that block, or with a rule of its own that sets a control |
| 43 | // smaller, zooms on the first tap of every field. |
| 44 | // |
| 45 | // Emulated as pointer: coarse, which is how the CSS decides. Every page |
| 46 | // with a field is measured: the door, the views (and the quick-add box, |
| 47 | // which only shows once its disclosure is opened), the event form with |
| 48 | // its enhanced date fields, the event page's reminders, settings, |
| 49 | // sharing, import, the booking-page form, and a stranger's booking |
| 50 | // form, which is the one most often opened on a phone. |
| 51 | func TestNoZoomOnTap(t *testing.T) { |
| 52 | var app *calendar.App |
| 53 | rig := harness.New(t, func(origin string) http.Handler { |
| 54 | a, err := calendar.New(calendar.Config{ |
| 55 | DBPath: filepath.Join(t.TempDir(), "calendar.db"), |
| 56 | Env: "development", |
| 57 | Origin: origin, |
| 58 | Logger: slog.New(slog.NewTextHandler(io.Discard, nil)), |
| 59 | }) |
| 60 | if err != nil { |
| 61 | t.Fatalf("calendar.New: %v", err) |
| 62 | } |
| 63 | t.Cleanup(func() { a.Close() }) |
| 64 | app = a |
| 65 | return a.Handler() |
| 66 | }) |
| 67 | session := signInOverHTTP(t, app, rig.Origin, "host@example.com") |
| 68 | |
| 69 | // A published booking page, through the store, so the stranger's |
| 70 | // form has something to book. |
| 71 | ctx := context.Background() |
| 72 | st := app.StoreForTest() |
| 73 | host := app.PersonByAddressForTest(t, "host@example.com") |
| 74 | if err := st.SaveHandle(ctx, host.ID, "paul"); err != nil { |
| 75 | t.Fatal(err) |
| 76 | } |
| 77 | ws, _ := calendar.ParseAvailability("every day 9-5") |
| 78 | page, err := st.CreateBookingPage(ctx, host.ID, calendar.BookingPageInput{ |
| 79 | Title: "Quick chat", Description: "Half an hour.", Availability: "every day 9-5", |
| 80 | DurationMin: 30, HorizonDays: 30}, ws) |
| 81 | if err != nil { |
| 82 | t.Fatal(err) |
| 83 | } |
| 84 | if err := st.PublishBookingPage(ctx, host.ID, page.ID, true); err != nil { |
| 85 | t.Fatal(err) |
| 86 | } |
| 87 | public := "/book/paul/" + page.Code |
| 88 | |
| 89 | run := func(what string, actions ...chromedp.Action) { |
| 90 | t.Helper() |
| 91 | ctx, cancel := context.WithTimeout(rig.Context(), 20*time.Second) |
| 92 | defer cancel() |
| 93 | if err := chromedp.Run(ctx, actions...); err != nil { |
| 94 | var at string |
| 95 | _ = chromedp.Run(rig.Context(), chromedp.Location(&at)) |
| 96 | t.Fatalf("%s: %v (the browser is at %s)", what, err, at) |
| 97 | } |
| 98 | } |
| 99 | // measure loads path on a touch screen and lists its small controls, |
| 100 | // after the optional actions (which open what only interaction shows). |
| 101 | measure := func(path, ready string, then ...chromedp.Action) { |
| 102 | t.Helper() |
| 103 | var coarse bool |
| 104 | var small []string |
| 105 | actions := []chromedp.Action{ |
| 106 | chromedp.Navigate(rig.Origin + path), |
| 107 | chromedp.Reload(), |
| 108 | chromedp.WaitVisible(ready, chromedp.ByQuery), |
| 109 | chromedp.Evaluate(`matchMedia('(pointer: coarse)').matches`, &coarse), |
| 110 | } |
| 111 | actions = append(actions, then...) |
| 112 | actions = append(actions, chromedp.Evaluate(smallControls(textControls), &small)) |
| 113 | run(path, actions...) |
| 114 | if !coarse { |
| 115 | t.Fatalf("%s: the touch-screen emulation did not apply; this would measure desktop styles", path) |
| 116 | } |
| 117 | if len(small) > 0 { |
| 118 | t.Errorf("%s: iOS zooms when these are tapped (under 16px on a touch screen): %s", path, strings.Join(small, "; ")) |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | run("touch emulation", |
| 123 | // Touch emulation, then a reload per page so it re-evaluates its |
| 124 | // media queries. SetEmulatedMedia's "pointer" feature is not |
| 125 | // emulated by this Chromium; the coarse check in measure is what |
| 126 | // proves the emulation took. |
| 127 | emulation.SetTouchEmulationEnabled(true).WithMaxTouchPoints(5), |
| 128 | ) |
| 129 | |
| 130 | // Signed out first: the door is the field every visit starts on. |
| 131 | measure("/signin", `input[name="address"]`) |
| 132 | |
| 133 | // The session the real magic-link flow minted, handed to the browser. |
| 134 | run("sign in", network.SetCookie(session.Name, session.Value).WithURL(rig.Origin+"/"). |
| 135 | WithHTTPOnly(session.HttpOnly).WithSameSite(network.CookieSameSiteLax)) |
| 136 | |
| 137 | // An event, made through the form as a person makes one. |
| 138 | var at string |
| 139 | run("create an event", |
| 140 | chromedp.Navigate(rig.Origin+"/events/new?start=2026-09-02T09:30&end=2026-09-02T10:00"), |
| 141 | chromedp.WaitVisible(`input[name="title"]`, chromedp.ByQuery), |
| 142 | chromedp.SendKeys(`input[name="title"]`, "Standup", chromedp.ByQuery), |
| 143 | chromedp.Click(`form[action="/events"] button[type="submit"]`, chromedp.ByQuery), |
| 144 | chromedp.WaitVisible(`form[action$="/reminders"]`, chromedp.ByQuery), |
| 145 | chromedp.Location(&at), |
| 146 | ) |
| 147 | event := regexp.MustCompile(`/events/\d+`).FindString(at) |
| 148 | if event == "" { |
| 149 | t.Fatalf("creating an event landed on %s", at) |
| 150 | } |
| 151 | |
| 152 | // The quick-add box is a closed <details> until it is tapped. |
| 153 | openQuick := chromedp.Evaluate(`document.querySelectorAll('details[cal-quick]').forEach(d => d.open = true)`, nil) |
| 154 | for _, view := range []string{"/day/2026-09-02", "/week/2026-09-02", "/month/2026-09", "/agenda?from=2026-09-02"} { |
| 155 | measure(view, `main`, openQuick) |
| 156 | } |
| 157 | measure("/events/new", `input[name="title"]`) |
| 158 | measure(event+"/edit", `input[name="title"]`) |
| 159 | measure(event, `form[action$="/reminders"]`) |
| 160 | measure("/settings", `main form`) |
| 161 | measure("/calendars", `main`) |
| 162 | measure("/calendars/1/share", `main`) |
| 163 | measure("/import", `main form`) |
| 164 | measure("/settings/booking", `main`) |
| 165 | measure("/settings/booking/new", `main form`) |
| 166 | |
| 167 | // The stranger's side: the zone picker, then a day, then a slot, |
| 168 | // which is where the name, address and note fields are. |
| 169 | measure(public, `select[name="zone"]`) |
| 170 | var day string |
| 171 | run("a booking day", |
| 172 | chromedp.Navigate(rig.Origin+public), |
| 173 | chromedp.WaitVisible(`select[name="zone"]`, chromedp.ByQuery), |
| 174 | chromedp.Evaluate(`(document.querySelector('a[href*="day="]') || {}).href || ''`, &day), |
| 175 | ) |
| 176 | if day == "" { |
| 177 | t.Fatal("the booking page offers no day to pick") |
| 178 | } |
| 179 | measure(strings.TrimPrefix(day, rig.Origin), `[cal-book-slot]`) |
| 180 | run("a booking slot", |
| 181 | chromedp.Click(`[cal-book-slot]`, chromedp.ByQuery), |
| 182 | chromedp.WaitVisible(`[cal-book-details] input[name="name"]`, chromedp.ByQuery), |
| 183 | ) |
| 184 | var coarse bool |
| 185 | var small []string |
| 186 | run("the booker's details", |
| 187 | chromedp.Evaluate(`matchMedia('(pointer: coarse)').matches`, &coarse), |
| 188 | chromedp.Evaluate(smallControls(textControls), &small), |
| 189 | ) |
| 190 | if !coarse { |
| 191 | t.Fatal("the booker's details: the touch-screen emulation did not apply") |
| 192 | } |
| 193 | if len(small) > 0 { |
| 194 | t.Errorf("the booker's details: iOS zooms when these are tapped (under 16px on a touch screen): %s", strings.Join(small, "; ")) |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | // smallControls is a script listing each visible control matching sel |
| 199 | // whose computed font-size is under 16px, described well enough to find. |
| 200 | func smallControls(sel string) string { |
| 201 | return fmt.Sprintf(`[...document.querySelectorAll(%q)] |
| 202 | .filter(e => e.getClientRects().length > 0) |
| 203 | .filter(e => parseFloat(getComputedStyle(e).fontSize) < 16) |
| 204 | .map(e => e.tagName.toLowerCase() + (e.name ? '[name=' + e.name + ']' : '') + (e.id ? '#' + e.id : '') + ' ' + getComputedStyle(e).fontSize)`, sel) |
| 205 | } |
| 206 | |
amadan