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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that disabling a CSS declaration and then removing it from the Rule view
// is tracked as removed only once. Toggling leftover declarations should not introduce
// duplicate changes.
const TEST_URI = `
<style type='text/css'>
div {
color: red;
background: black;
}
</style>
<div></div>
`;
add_task(async function () {
await pushPref("devtools.inspector.rule-view.focusNextOnEnter", false);
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 prop1 = getTextProperty(ruleView, 1, { color: "red" });
const prop2 = getTextProperty(ruleView, 1, { background: "black" });
info("Using the second declaration");
await testRemoveValue(ruleView, store, doc, prop2);
info("Using the first declaration");
await testToggle(ruleView, store, doc, prop1);
info("Using the first declaration");
await testRemoveName(ruleView, store, doc, prop1);
});
async function testRemoveValue(ruleView, store, doc, prop) {
info("Test removing disabled declaration by clearing its property value.");
let onTrackChange;
onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
info("Disable the declaration");
await togglePropStatus(ruleView, prop);
info("Wait for change to be tracked");
await onTrackChange;
onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
info("Remove the disabled declaration by clearing its value");
await setProperty(ruleView, prop, null);
await onTrackChange;
const removeDecl = getRemovedDeclarations(doc);
is(removeDecl.length, 1, "Only one declaration tracked as removed");
}
async function testToggle(ruleView, store, doc, prop) {
info(
"Test toggling leftover declaration off and on will not track extra changes."
);
let onTrackChange;
onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
info("Disable the declaration");
await togglePropStatus(ruleView, prop);
await onTrackChange;
onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
info("Re-enable the declaration");
await togglePropStatus(ruleView, prop);
await onTrackChange;
await waitFor(
() => getRemovedDeclarations(doc).length == 1,
"Still just one declaration tracked as removed"
);
}
async function testRemoveName(ruleView, store, doc, prop) {
info("Test removing disabled declaration by clearing its property name.");
let onTrackChange;
onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
info("Disable the declaration");
await togglePropStatus(ruleView, prop);
await onTrackChange;
onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
info("Remove the disabled declaration by clearing its name");
await removeProperty(ruleView, prop);
await onTrackChange;
info(`Expecting two declarations removed:
- one removed by its value in the other test
- one removed by its name from this test
`);
await waitFor(
() => getRemovedDeclarations(doc).length == 2,
"Two declarations tracked as removed"
);
const removeDecl = getRemovedDeclarations(doc);
is(removeDecl[0].property, "background", "First declaration name correct");
is(removeDecl[0].value, "black", "First declaration value correct");
is(removeDecl[1].property, "color", "Second declaration name correct");
is(removeDecl[1].value, "red", "Second declaration value correct");
}