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path: root/devtools/server/tests/browser/browser_canvasframe_helper_01.js
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/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Simple CanvasFrameAnonymousContentHelper tests.

const TEST_URL =
  "data:text/html;charset=utf-8,CanvasFrameAnonymousContentHelper test";

add_task(async function () {
  const tab = await addTab(TEST_URL);

  await SpecialPowers.spawn(tab.linkedBrowser, [], async function () {
    const { require } = ChromeUtils.importESModule(
      "resource://devtools/shared/loader/Loader.sys.mjs"
    );
    const {
      HighlighterEnvironment,
    } = require("resource://devtools/server/actors/highlighters.js");
    const {
      CanvasFrameAnonymousContentHelper,
    } = require("resource://devtools/server/actors/highlighters/utils/markup.js");
    const doc = content.document;

    const nodeBuilder = () => {
      const root = doc.createElement("div");
      const child = doc.createElement("div");
      child.style = "width:200px;height:200px;background:red;";
      child.id = "child-element";
      child.className = "child-element";
      child.textContent = "test element";
      root.appendChild(child);
      return root;
    };

    info("Building the helper");
    const env = new HighlighterEnvironment();
    env.initFromWindow(doc.defaultView);
    const helper = new CanvasFrameAnonymousContentHelper(env, nodeBuilder);
    await helper.initialize();

    ok(
      content.AnonymousContent.isInstance(helper.content),
      "The helper owns the AnonymousContent object"
    );
    ok(
      helper.getTextContentForElement,
      "The helper has the getTextContentForElement method"
    );
    ok(
      helper.setTextContentForElement,
      "The helper has the setTextContentForElement method"
    );
    ok(
      helper.setAttributeForElement,
      "The helper has the setAttributeForElement method"
    );
    ok(
      helper.getAttributeForElement,
      "The helper has the getAttributeForElement method"
    );
    ok(
      helper.removeAttributeForElement,
      "The helper has the removeAttributeForElement method"
    );
    ok(
      helper.addEventListenerForElement,
      "The helper has the addEventListenerForElement method"
    );
    ok(
      helper.removeEventListenerForElement,
      "The helper has the removeEventListenerForElement method"
    );
    ok(helper.getElement, "The helper has the getElement method");
    ok(helper.scaleRootElement, "The helper has the scaleRootElement method");

    is(
      helper.getTextContentForElement("child-element"),
      "test element",
      "The text content was retrieve correctly"
    );
    is(
      helper.getAttributeForElement("child-element", "id"),
      "child-element",
      "The ID attribute was retrieve correctly"
    );
    is(
      helper.getAttributeForElement("child-element", "class"),
      "child-element",
      "The class attribute was retrieve correctly"
    );

    const el = helper.getElement("child-element");
    ok(el, "The DOMNode-like element was created");

    is(
      el.getTextContent(),
      "test element",
      "The text content was retrieve correctly"
    );
    is(
      el.getAttribute("id"),
      "child-element",
      "The ID attribute was retrieve correctly"
    );
    is(
      el.getAttribute("class"),
      "child-element",
      "The class attribute was retrieve correctly"
    );

    info("Test the toggle API");
    el.classList.toggle("test"); // This will set the class
    is(
      el.getAttribute("class"),
      "child-element test",
      "After toggling the class 'test', the class attribute contained the 'test' class"
    );
    el.classList.toggle("test"); // This will remove the class
    is(
      el.getAttribute("class"),
      "child-element",
      "After toggling the class 'test' again, the class attribute removed the 'test' class"
    );
    el.classList.toggle("test", true); // This will set the class
    is(
      el.getAttribute("class"),
      "child-element test",
      "After toggling the class 'test' again and keeping force=true, the class attribute added the 'test' class"
    );
    el.classList.toggle("test", true); // This will keep the class set
    is(
      el.getAttribute("class"),
      "child-element test",
      "After toggling the class 'test' again and keeping force=true,the class attribute contained the 'test' class"
    );
    el.classList.toggle("test", false); // This will remove the class
    is(
      el.getAttribute("class"),
      "child-element",
      "After toggling the class 'test' again and keeping force=false, the class attribute removed the 'test' class"
    );
    el.classList.toggle("test", false); // This will keep the class removed
    is(
      el.getAttribute("class"),
      "child-element",
      "After toggling the class 'test' again and keeping force=false, the class attribute removed the 'test' class"
    );

    info("Destroying the helper");
    helper.destroy();
    env.destroy();

    ok(
      !helper.getTextContentForElement("child-element"),
      "No text content was retrieved after the helper was destroyed"
    );
    ok(
      !helper.getAttributeForElement("child-element", "id"),
      "No ID attribute was retrieved after the helper was destroyed"
    );
    ok(
      !helper.getAttributeForElement("child-element", "class"),
      "No class attribute was retrieved after the helper was destroyed"
    );
  });

  gBrowser.removeCurrentTab();
});