browser_net_ws-connection-closed.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**

 * Test that WS connection is established successfully and message is displayed when the connection is closed.

*/

add_task(async function () {

  const { tab, monitor } = await initNetMonitor(WS_PAGE_URL, {

    requestCount: 1,

});

  info("Starting test... ");

  const { document, store, windowRequire } = monitor.panelWin;

  const Actions = windowRequire("devtools/client/netmonitor/src/actions/index");

  store.dispatch(Actions.batchEnable(false));

  // Wait for WS connection to be established + send messages

  const onNetworkEvents = waitForNetworkEvents(monitor, 1);

  await ContentTask.spawn(tab.linkedBrowser, {}, async () => {

    await content.wrappedJSObject.openConnection(1);

});

  await onNetworkEvents;

  const requests = document.querySelectorAll(".request-list-item");

  // Select the request to open the side panel.

  EventUtils.sendMouseEvent({ type: "mousedown" }, requests[0]);

  // Click on the "Response" panel

  clickOnSidebarTab(document, "response");

  const wait = waitForDOM(

    document,

    "#messages-view .msg-connection-closed-message"

);

  // Close WS connection

  await ContentTask.spawn(tab.linkedBrowser, {}, async () => {

    await content.wrappedJSObject.closeConnection();

});

  await wait;

is(

    !!document.querySelector("#messages-view .msg-connection-closed-message"),

    true,

    "Connection closed message should be displayed"

);

  await teardown(monitor);

});