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/* Any copyright is dedicated to the Public Domain.
// This test makes sure that when the view updates itself it doesn't try to
// update a row with a new result from a different provider. We avoid that
// because it's a cause of results flickering.
"use strict";
add_task(async function test() {
// This slow provider is used to delay the end of the query.
let slowProvider = new UrlbarTestUtils.TestProvider({
results: [],
priority: 10,
addTimeout: 1000,
});
// We'll run a first query with this provider to generate results, that should
// be overriden by results from the second provider.
let firstProvider = new UrlbarTestUtils.TestProvider({
results: [
new UrlbarResult(
UrlbarUtils.RESULT_TYPE.URL,
UrlbarUtils.RESULT_SOURCE.HISTORY,
),
new UrlbarResult(
UrlbarUtils.RESULT_TYPE.URL,
UrlbarUtils.RESULT_SOURCE.HISTORY,
),
],
priority: 10,
});
// Then we'll run a second query with this provider, the results should not
// immediately replace the ones from the first provider, but rather be
// appended, until the query is done or the stale timer elapses.
let secondProvider = new UrlbarTestUtils.TestProvider({
results: [
new UrlbarResult(
UrlbarUtils.RESULT_TYPE.URL,
UrlbarUtils.RESULT_SOURCE.HISTORY,
),
new UrlbarResult(
UrlbarUtils.RESULT_TYPE.URL,
UrlbarUtils.RESULT_SOURCE.HISTORY,
),
],
priority: 10,
});
UrlbarProvidersManager.registerProvider(slowProvider);
UrlbarProvidersManager.registerProvider(firstProvider);
function cleanup() {
UrlbarProvidersManager.unregisterProvider(slowProvider);
UrlbarProvidersManager.unregisterProvider(firstProvider);
UrlbarProvidersManager.unregisterProvider(secondProvider);
}
registerCleanupFunction(cleanup);
// Execute the first query.
await UrlbarTestUtils.promiseAutocompleteResultPopup({
window,
value: "moz",
});
// Now run the second query but don't wait for it to finish, we want to
// observe the view contents along the way.
UrlbarProvidersManager.unregisterProvider(firstProvider);
UrlbarProvidersManager.registerProvider(secondProvider);
let hasAtLeast4Children = BrowserTestUtils.waitForMutationCondition(
UrlbarTestUtils.getResultsContainer(window),
{ childList: true },
() => UrlbarTestUtils.getResultCount(window) == 4
);
let queryPromise = UrlbarTestUtils.promiseAutocompleteResultPopup({
window,
value: "moz",
});
await hasAtLeast4Children;
// At this point we have the old results marked as "stale", and the new ones.
Assert.equal(
UrlbarTestUtils.getResultCount(window),
4,
"There should be 4 results"
);
Assert.ok(
UrlbarTestUtils.getRowAt(window, 0).hasAttribute("stale"),
"Should be stale"
);
Assert.ok(
UrlbarTestUtils.getRowAt(window, 1).hasAttribute("stale"),
"Should be stale"
);
Assert.ok(
!UrlbarTestUtils.getRowAt(window, 2).hasAttribute("stale"),
"Should not be stale"
);
Assert.ok(
!UrlbarTestUtils.getRowAt(window, 3).hasAttribute("stale"),
"Should not be stale"
);
// Now wait for the query end, this should remove stale results.
await queryPromise;
Assert.equal(
UrlbarTestUtils.getResultCount(window),
2,
"There should be 2 results"
);
Assert.ok(
!UrlbarTestUtils.getRowAt(window, 0).hasAttribute("stale"),
"Should not be stale"
);
Assert.ok(
!UrlbarTestUtils.getRowAt(window, 1).hasAttribute("stale"),
"Should not be stale"
);
await UrlbarTestUtils.promisePopupClose(window);
gURLBar.handleRevert();
cleanup();
});