tor-browser

The Tor Browser
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browser_changes_declaration_remove_disabled.js (3612B)

      1 /* Any copyright is dedicated to the Public Domain.
      2 http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 // Test that disabling a CSS declaration and then removing it from the Rule view
      7 // is tracked as removed only once. Toggling leftover declarations should not introduce
      8 // duplicate changes.
      9 
     10 const TEST_URI = `
     11  <style type='text/css'>
     12    div {
     13      color: red;
     14      background: black;
     15    }
     16  </style>
     17  <div></div>
     18 `;
     19 
     20 add_task(async function () {
     21  await pushPref("devtools.inspector.rule-view.focusNextOnEnter", false);
     22  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
     23  const { inspector, view: ruleView } = await openRuleView();
     24  const { document: doc, store } = selectChangesView(inspector);
     25 
     26  await selectNode("div", inspector);
     27  const prop1 = getTextProperty(ruleView, 1, { color: "red" });
     28  const prop2 = getTextProperty(ruleView, 1, { background: "black" });
     29 
     30  info("Using the second declaration");
     31  await testRemoveValue(ruleView, store, doc, prop2);
     32  info("Using the first declaration");
     33  await testToggle(ruleView, store, doc, prop1);
     34  info("Using the first declaration");
     35  await testRemoveName(ruleView, store, doc, prop1);
     36 });
     37 
     38 async function testRemoveValue(ruleView, store, doc, prop) {
     39  info("Test removing disabled declaration by clearing its property value.");
     40  let onTrackChange;
     41 
     42  onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
     43  info("Disable the declaration");
     44  await togglePropStatus(ruleView, prop);
     45  info("Wait for change to be tracked");
     46  await onTrackChange;
     47 
     48  onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
     49  info("Remove the disabled declaration by clearing its value");
     50  await setProperty(ruleView, prop, null);
     51  await onTrackChange;
     52 
     53  const removeDecl = getRemovedDeclarations(doc);
     54  is(removeDecl.length, 1, "Only one declaration tracked as removed");
     55 }
     56 
     57 async function testToggle(ruleView, store, doc, prop) {
     58  info(
     59    "Test toggling leftover declaration off and on will not track extra changes."
     60  );
     61  let onTrackChange;
     62 
     63  onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
     64  info("Disable the declaration");
     65  await togglePropStatus(ruleView, prop);
     66  await onTrackChange;
     67 
     68  onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
     69  info("Re-enable the declaration");
     70  await togglePropStatus(ruleView, prop);
     71  await onTrackChange;
     72 
     73  await waitFor(
     74    () => getRemovedDeclarations(doc).length == 1,
     75    "Still just one declaration tracked as removed"
     76  );
     77 }
     78 
     79 async function testRemoveName(ruleView, store, doc, prop) {
     80  info("Test removing disabled declaration by clearing its property name.");
     81  let onTrackChange;
     82 
     83  onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
     84  info("Disable the declaration");
     85  await togglePropStatus(ruleView, prop);
     86  await onTrackChange;
     87 
     88  onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
     89  info("Remove the disabled declaration by clearing its name");
     90  await removeProperty(ruleView, prop);
     91  await onTrackChange;
     92 
     93  info(`Expecting two declarations removed:
     94  - one removed by its value in the other test
     95  - one removed by its name from this test
     96  `);
     97 
     98  await waitFor(
     99    () => getRemovedDeclarations(doc).length == 2,
    100    "Two declarations tracked as removed"
    101  );
    102  const removeDecl = getRemovedDeclarations(doc);
    103  is(removeDecl[0].property, "background", "First declaration name correct");
    104  is(removeDecl[0].value, "black", "First declaration value correct");
    105  is(removeDecl[1].property, "color", "Second declaration name correct");
    106  is(removeDecl[1].value, "red", "Second declaration value correct");
    107 }