browser_dbg-features-edit-stylesheets.js

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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/>. */

"use strict";

/**

 * Asserts editing of stylesheets in the debugger

*/

const httpServer = createTestHTTPServer();

const BASE_URL = `http://localhost:${httpServer.identity.primaryPort}/`;

httpServer.registerContentType("html", "text/html");

httpServer.registerContentType("js", "application/javascript");

httpServer.registerPathHandler("/index.html", (request, response) => {

  response.setStatusLine(request.httpVersion, 200, "OK");

  response.write(`<html>

      <head>

        <link rel="stylesheet" href="/style.css">

      </head>

      <body></body>

    </html>`);

});

httpServer.registerPathHandler("/style.css", (request, response) => {

  response.setHeader("Content-Type", "text/css");

  response.write("body { background-color: powderblue; }");

});

// This tests that editing style sheets updates the current page.

add_task(async function testEditingStyleSheets() {

  await pushPref("devtools.debugger.features.stylesheets-in-debugger", true);

  const dbg = await initDebuggerWithAbsoluteURL(

    BASE_URL + "index.html",

    "style.css"

);

  let currentBgColor =

    await getCurrentPageStylePropertyValue("backgroundColor");

is(

    currentBgColor,

    "rgb(176, 224, 230)",

    "The background color is powder blue"

);

  await selectSourceFromSourceTreeWithIndex(

    dbg,

    "style.css",

3,

    "Select the style sheet"

);

  const color = "powderblue";

  is(getEditorContent(dbg), `body { background-color: ${color}; }`);

  info("Change the value of the backgroud color property in the editor");

  await editSelectedSourceContent(dbg, 1, 35, color.length, "green");

  // Wait a bit for the color to change to the final green color

  const bgColorChanged = await waitFor(async () => {

    currentBgColor = await getCurrentPageStylePropertyValue("backgroundColor");

    return currentBgColor == "rgb(0, 128, 0)";

});

  ok(bgColorChanged, "The background color is now green");

  is(getEditorContent(dbg), `body { background-color: green; }`);

});