//go:build browser

// A reload is the same tab, not a colleague arriving.
package slidestest

import (
	"testing"
	"time"

	"github.com/chromedp/chromedp"
)

// TestBrowserReloadIsNotSomebodyElse (polish audit, slides-52): a
// reload keeps this tab's presence client id, so the tab that comes
// back does not find its own previous self in the set and draw it as a
// colleague for the forty-five seconds the server takes to expire it.
// A second tab afterwards still shows up, so the pass is not a
// presence stream that never arrived.
func TestBrowserReloadIsNotSomebodyElse(t *testing.T) {
	rig, _, deck := openEditor(t)
	rig.Run(
		// Let the first beat land, so the server holds this tab.
		chromedp.Sleep(1500*time.Millisecond),
		chromedp.Reload(),
		chromedp.WaitVisible(`[slides-editor]`, chromedp.ByQuery),
		waitFor(editorBound),
		// The stream's connect event carries the whole set, the old
		// entry included if it is somebody else's id.
		chromedp.Sleep(3*time.Second),
	)
	var ghosts string
	rig.Run(chromedp.Evaluate(`[...document.querySelectorAll('[slides-presence-avatar], [slides-presence-chip]')].map(e => e.getAttribute('aria-label') || e.textContent).join(' | ')`, &ghosts))
	if ghosts != "" {
		t.Errorf("after a reload the editor shows this tab as somebody else: %s", ghosts)
	}
	rig.Screen(`[slides-editor]`, "reloaded, alone")

	// Two tabs are still two people.
	tab2, cancel := chromedp.NewContext(rig.Context())
	defer cancel()
	runOn(t, tab2,
		chromedp.Navigate(rig.Origin+deck+"/edit"),
		chromedp.WaitVisible(`[slides-editor]`, chromedp.ByQuery),
		waitFor(editorBound),
	)
	rig.Run(waitFor(`document.querySelector('[slides-presence-avatar]') !== null`))
}