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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that the Changes panel Copy Rule button and context menu will populate the
// clipboard with the entire contents of the changed rule, including unchanged properties.
const TEST_URI = `
<style type='text/css'>
div {
color: red;
margin: 0;
}
</style>
<div></div>
`;
// Indentation is important. A strict check will be done against the clipboard content.
const EXPECTED_CLIPBOARD = `
div {
color: green;
margin: 0;
}
`;
add_task(async function () {
await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
const { inspector, view: ruleView } = await openRuleView();
const changesView = selectChangesView(inspector);
const { document: panelDoc, store } = changesView;
await selectNode("div", inspector);
const onTrackChange = waitForDispatch(store, "TRACK_CHANGE");
await updateDeclaration(ruleView, 1, { color: "red" }, { color: "green" });
await onTrackChange;
info("Click the Copy Rule button and expect the changed rule on clipboard");
const button = panelDoc.querySelector(".changes__copy-rule-button");
await waitForClipboardPromise(
() => button.click(),
() => checkClipboardData(EXPECTED_CLIPBOARD)
);
emptyClipboard();
info(
"Click the Copy Rule context menu item and expect the changed rule on the clipboard"
);
const addDecl = getAddedDeclarations(panelDoc);
const menu = await getChangesContextMenu(changesView, addDecl[0].element);
const menuItem = menu.items.find(
item => item.id === "changes-contextmenu-copy-rule"
);
await waitForClipboardPromise(
() => menuItem.click(),
() => checkClipboardData(EXPECTED_CLIPBOARD)
);
});
function checkClipboardData(expected) {
const actual = SpecialPowers.getClipboardData("text/plain");
return actual.trim() === expected.trim();
}