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"use strict";
add_task(async function test_extension_page_tabs_create_reload_and_close() {
let events = [];
{
const { Management } = ChromeUtils.importESModule(
"resource://gre/modules/Extension.sys.mjs"
);
let record = (type, extensionContext) => {
let eventType = type == "proxy-context-load" ? "load" : "unload";
let url = extensionContext.uri.spec;
let extensionId = extensionContext.extension.id;
events.push({ eventType, url, extensionId });
};
Management.on("proxy-context-load", record);
Management.on("proxy-context-unload", record);
registerCleanupFunction(() => {
Management.off("proxy-context-load", record);
Management.off("proxy-context-unload", record);
});
}
let extension = ExtensionTestUtils.loadExtension({
background() {
browser.test.sendMessage("tab-url", browser.runtime.getURL("page.html"));
},
files: {
"page.html": `<!DOCTYPE html><meta charset="utf-8"><script src="page.js"></script>`,
"page.js"() {
browser.test.sendMessage("extension page loaded", document.URL);
},
},
});
await extension.startup();
let tabURL = await extension.awaitMessage("tab-url");
events.splice(0);
let contentPage = await ExtensionTestUtils.loadContentPage(tabURL, {
extension,
});
let extensionPageURL = await extension.awaitMessage("extension page loaded");
equal(extensionPageURL, tabURL, "Loaded the expected URL");
let contextEvents = events.splice(0);
equal(contextEvents.length, 1, "ExtensionContext change for opening a tab");
equal(contextEvents[0].eventType, "load", "create ExtensionContext for tab");
equal(
contextEvents[0].url,
extensionPageURL,
"ExtensionContext URL after tab creation should be tab URL"
);
await contentPage.spawn([], () => {
this.content.location.reload();
});
let extensionPageURL2 = await extension.awaitMessage("extension page loaded");
equal(
extensionPageURL,
extensionPageURL2,
"The tab's URL is expected to not change after a page reload"
);
contextEvents = events.splice(0);
equal(contextEvents.length, 2, "ExtensionContext change after tab reload");
equal(contextEvents[0].eventType, "unload", "unload old ExtensionContext");
equal(
contextEvents[0].url,
extensionPageURL,
"ExtensionContext URL before reload should be tab URL"
);
equal(
contextEvents[1].eventType,
"load",
"create new ExtensionContext for tab"
);
equal(
contextEvents[1].url,
extensionPageURL2,
"ExtensionContext URL after reload should be tab URL"
);
await contentPage.close();
contextEvents = events.splice(0);
equal(contextEvents.length, 1, "ExtensionContext after closing tab");
equal(contextEvents[0].eventType, "unload", "unload tab's ExtensionContext");
equal(
contextEvents[0].url,
extensionPageURL2,
"ExtensionContext URL at closing tab should be tab URL"
);
await extension.unload();
});
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