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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
ChromeUtils.defineESModuleGetters(this, {
NetworkObserver:
"resource://devtools/shared/network-observer/NetworkObserver.sys.mjs",
});
const TEST_DIR = gTestPath.substr(0, gTestPath.lastIndexOf("/"));
const CHROME_URL_ROOT = TEST_DIR + "/";
const URL_ROOT = CHROME_URL_ROOT.replace(
"chrome://mochitests/content/",
"https://example.com/"
);
/**
* Load the provided url in an existing browser.
* Returns a promise which will resolve when the page is loaded.
*
* @param {Browser} browser
* The browser element where the URL should be loaded.
* @param {String} url
* The URL to load in the new tab
*/
async function loadURL(browser, url) {
const loaded = BrowserTestUtils.browserLoaded(browser);
BrowserTestUtils.loadURIString(browser, url);
return loaded;
}
/**
* Create a new foreground tab loading the provided url.
* Returns a promise which will resolve when the page is loaded.
*
* @param {String} url
* The URL to load in the new tab
*/
async function addTab(url) {
const tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
registerCleanupFunction(() => {
gBrowser.removeTab(tab);
});
return tab;
}
/**
* Create a simple network event owner, with empty implementations of all
* the expected APIs for a NetworkEventOwner.
*/
function createNetworkEventOwner(event) {
return {
addEventTimings: () => {},
addResponseCache: () => {},
addResponseContent: () => {},
addResponseStart: () => {},
addSecurityInfo: () => {},
addServerTimings: () => {},
};
}
/**
* Wait for network events matching the provided URL, until the count reaches
* the provided expected count.
*
* @param {string} expectedUrl
* The URL which should be monitored by the NetworkObserver.
* @param {number} expectedRequestsCount
* How many different events (requests) are expected.
* @returns {Promise}
* A promise which will resolve with the current count, when the expected
* count is reached.
*/
async function waitForNetworkEvents(expectedUrl, expectedRequestsCount) {
let eventsCount = 0;
const networkObserver = new NetworkObserver({
ignoreChannelFunction: channel => channel.URI.spec !== expectedUrl,
onNetworkEvent: event => {
info("waitForNetworkEvents received a new event");
eventsCount++;
return createNetworkEventOwner(event);
},
});
registerCleanupFunction(() => networkObserver.destroy());
info("Wait until the events count reaches " + expectedRequestsCount);
await BrowserTestUtils.waitForCondition(
() => eventsCount >= expectedRequestsCount
);
return eventsCount;
}
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