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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
const { BrowsingContextListener } = ChromeUtils.importESModule(
"chrome://remote/content/shared/listeners/BrowsingContextListener.sys.mjs"
);
add_task(async function test_attachedOnNewTab() {
const listener = new BrowsingContextListener();
const attached = listener.once("attached");
listener.startListening();
const tab = BrowserTestUtils.addTab(gBrowser, "about:blank");
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
const { browsingContext, why } = await attached;
is(
browsingContext.id,
tab.linkedBrowser.browsingContext.id,
"Received expected browsing context"
);
is(why, "attach", "Browsing context has been attached");
listener.stopListening();
gBrowser.removeTab(tab);
});
add_task(async function test_attachedValidEmbedderElement() {
const listener = new BrowsingContextListener();
let hasEmbedderElement = false;
listener.on(
"attached",
(evtName, { browsingContext }) => {
hasEmbedderElement = !!browsingContext.embedderElement;
},
{ once: true }
);
listener.startListening();
const tab = BrowserTestUtils.addTab(gBrowser, "about:blank");
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
ok(
hasEmbedderElement,
"Attached browsing context has a valid embedder element"
);
listener.stopListening();
gBrowser.removeTab(tab);
});
add_task(async function test_discardedOnCloseTab() {
const listener = new BrowsingContextListener();
const discarded = listener.once("discarded");
const tab = BrowserTestUtils.addTab(gBrowser, "about:blank");
const browsingContext = tab.linkedBrowser.browsingContext;
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
listener.startListening();
gBrowser.removeTab(tab);
const { browsingContext: discardedBrowsingContext, why } = await discarded;
is(
discardedBrowsingContext.id,
browsingContext.id,
"Received expected browsing context"
);
is(why, "discard", "Browsing context has been discarded");
listener.stopListening();
});
add_task(async function test_replaceTopLevelOnNavigation() {
const listener = new BrowsingContextListener();
const attached = listener.once("attached");
const discarded = listener.once("discarded");
const tab = BrowserTestUtils.addTab(gBrowser, "about:blank");
const browsingContext = tab.linkedBrowser.browsingContext;
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
listener.startListening();
await loadURL(tab.linkedBrowser, "about:mozilla");
const discardEvent = await discarded;
const attachEvent = await attached;
is(
discardEvent.browsingContext.id,
browsingContext.id,
"Received expected browsing context for discarded"
);
is(discardEvent.why, "replace", "Browsing context has been replaced");
is(
attachEvent.browsingContext.id,
tab.linkedBrowser.browsingContext.id,
"Received expected browsing context for attached"
);
is(discardEvent.why, "replace", "Browsing context has been replaced");
isnot(
discardEvent.browsingContext,
attachEvent.browsingContext,
"Got different browsing contexts"
);
listener.stopListening();
gBrowser.removeTab(gBrowser.selectedTab);
});
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