browser_dbg-preview-getter.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/>. */

// This test checks if 'executing getter' in a preview correctly displays values.

// Bug 1456441 - 'execute getter' not working in Preview

"use strict";

add_task(async function () {

  // Make sure the toolbox is tall enough to be able to display the whole popup.

  await pushPref("devtools.toolbox.footer.height", 500);

  const dbg = await initDebugger(

    "doc-preview-getter.html",

    "preview-getter.js"

);

  await loadAndAddBreakpoint(dbg, "preview-getter.js", 5, 5);

  invokeInTab("funcA");

  await waitForPaused(dbg);

  info("Hovers over 'this' token to display the preview.");

  const { tokenEl } = await tryHovering(dbg, 5, 5, "previewPopup");

  info("Wait for properties to be loaded");

  await waitUntil(

    () => dbg.win.document.querySelectorAll(".preview-popup .node").length > 1

);

  info("Invokes getter and waits for the element to be rendered");

  await clickElement(dbg, "previewPopupInvokeGetterButton");

  await waitForAllElements(dbg, "previewPopupObjectNumber", 2);

  await clickElement(dbg, "previewPopupInvokeGetterButton");

  await waitForAllElements(dbg, "previewPopupObjectObject", 4);

  const getterButtonEls = findAllElements(

    dbg,

    "previewPopupInvokeGetterButton"

);

  const previewObjectNumberEls = findAllElements(

    dbg,

    "previewPopupObjectNumber"

);

  const previewObjectObjectEls = findAllElements(

    dbg,

    "previewPopupObjectObject"

);

  is(getterButtonEls.length, 0, "There are no getter buttons in the preview.");

is(

    previewObjectNumberEls.length,

2,

    "Getters were invoked and two numerical values are displayed as expected."

);

is(

    previewObjectObjectEls.length,

4,

    "Getters were invoked and three object values are displayed as expected."

);

  await closePreviewForToken(dbg, tokenEl);

});