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"use strict";
const { AboutWelcomeTelemetry } = ChromeUtils.importESModule(
"resource:///modules/aboutwelcome/AboutWelcomeTelemetry.sys.mjs"
);
const { AWToolbarButton } = ChromeUtils.importESModule(
"resource:///modules/aboutwelcome/AWToolbarUtils.sys.mjs"
);
const TOOLBAR_PREF = "browser.aboutwelcome.toolbarButtonEnabled";
const DID_SEE_FINAL_SCREEN_PREF = "browser.aboutwelcome.didSeeFinalScreen";
async function openNewTab() {
let tab = await BrowserTestUtils.openNewForegroundTab(
gBrowser,
"about:newtab",
false
);
registerCleanupFunction(async () => {
BrowserTestUtils.removeTab(tab);
await SpecialPowers.popPrefEnv();
});
return tab.linkedBrowser;
}
add_task(async function test_add_and_remove_toolbar_button() {
// Clear the final screen pref, which may have been set by other tests
await SpecialPowers.pushPrefEnv({
set: [[DID_SEE_FINAL_SCREEN_PREF, false]],
});
// Open newtab
let win = await BrowserTestUtils.openNewBrowserWindow();
win.BrowserOpenTab();
ok(win, "browser exists");
// Try to add the button. It shouldn't add because the pref is false
await AWToolbarButton.maybeAddSetupButton();
ok(
!win.document.getElementById("aboutwelcome-button"),
"Button should not exist"
);
// Set the pref and try again
await SpecialPowers.pushPrefEnv({
set: [[TOOLBAR_PREF, true]],
});
await AWToolbarButton.maybeAddSetupButton();
// The button should exist
ok(
win.document.getElementById("aboutwelcome-button"),
"Button should be added."
);
// Switch the pref to false and check again
await SpecialPowers.pushPrefEnv({
set: [[TOOLBAR_PREF, false]],
});
ok(
!win.document.getElementById("aboutwelcome-button"),
"Button should be removed"
);
// Cleanup
await SpecialPowers.popPrefEnv();
await BrowserTestUtils.closeWindow(win);
});
|
