browser_changes_declaration_rename.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test that renaming the property of a CSS declaration in the Rule view is tracked.

const TEST_URI = `

  <style type='text/css'>

    div {

      color: red;

  </style>

  <div></div>

`;

add_task(async function () {

  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));

  const { inspector, view: ruleView } = await openRuleView();

  const { document: doc, store } = selectChangesView(inspector);

  await selectNode("div", inspector);

  const prop = getTextProperty(ruleView, 1, { color: "red" });

  let onTrackChange;

  const oldPropertyName = "color";

  const newPropertyName = "background-color";

  info(`Rename the CSS declaration name to ${newPropertyName}`);

  onTrackChange = waitForDispatch(store, "TRACK_CHANGE");

  await renameProperty(ruleView, prop, newPropertyName);

  info("Wait for the change to be tracked");

  await onTrackChange;

  const removeDecl = getRemovedDeclarations(doc);

  const addDecl = getAddedDeclarations(doc);

  is(removeDecl.length, 1, "One declaration tracked as removed");

is(

    removeDecl[0].property,

    oldPropertyName,

    `Removed declaration has old property name: ${oldPropertyName}`

);

  is(addDecl.length, 1, "One declaration tracked as added");

is(

    addDecl[0].property,

    newPropertyName,

    `Added declaration has new property name: ${newPropertyName}`

);

  info(

    `Reverting the CSS declaration name to ${oldPropertyName} should clear changes.`

);

  onTrackChange = waitForDispatch(store, "TRACK_CHANGE");

  await renameProperty(ruleView, prop, oldPropertyName);

  info("Wait for the change to be tracked");

  await onTrackChange;

  await waitFor(

    () => !getRemovedDeclarations(doc).length,

    "No declaration tracked as removed"

);

  await waitFor(

    () => !getAddedDeclarations(doc).length,

    "No declaration tracked as added"

);

});