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/**
* One-time observer callback.
*/
function promiseObserve(name, checkFn) {
return new Promise(resolve => {
Services.obs.addObserver(function observer(subject) {
if (checkFn(subject)) {
Services.obs.removeObserver(observer, name);
resolve();
}
}, name, false);
});
}
var conn = PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase).DBConnection;
/**
* Gets a single column value from either the places or historyvisits table.
*/
function getColumn(table, column, fromColumnName, fromColumnValue) {
let sql = `SELECT ${column}
FROM ${table}
WHERE ${fromColumnName} = :val
${fromColumnName == "url" ? "AND url_hash = hash(:val)" : ""}
LIMIT 1`;
let stmt = conn.createStatement(sql);
try {
stmt.params.val = fromColumnValue;
ok(stmt.executeStep(), "Expect to get a row");
return stmt.row[column];
}
finally {
stmt.reset();
}
}
add_task(function* () {
// Make sure places visit chains are saved correctly with a redirect
// transitions.
// Part 1: observe history events that fire when a visit occurs.
// Make sure visits appear in order, and that the visit chain is correct.
var expectedUrls = [
"http://example.com/tests/toolkit/components/places/tests/browser/begin.html",
"http://example.com/tests/toolkit/components/places/tests/browser/redirect_twice.sjs",
"http://example.com/tests/toolkit/components/places/tests/browser/redirect_once.sjs",
"http://example.com/tests/toolkit/components/places/tests/browser/final.html"
];
var currentIndex = 0;
function checkObserver(subject) {
var uri = subject.QueryInterface(Ci.nsIURI);
var expected = expectedUrls[currentIndex];
is(uri.spec, expected, "Saved URL visit " + uri.spec);
var placeId = getColumn("moz_places", "id", "url", uri.spec);
var fromVisitId = getColumn("moz_historyvisits", "from_visit", "place_id", placeId);
if (currentIndex == 0) {
is(fromVisitId, 0, "First visit has no from visit");
}
else {
var lastVisitId = getColumn("moz_historyvisits", "place_id", "id", fromVisitId);
var fromVisitUrl = getColumn("moz_places", "url", "id", lastVisitId);
is(fromVisitUrl, expectedUrls[currentIndex - 1],
"From visit was " + expectedUrls[currentIndex - 1]);
}
currentIndex++;
return (currentIndex >= expectedUrls.length);
}
let visitUriPromise = promiseObserve("uri-visit-saved", checkObserver);
const testUrl = "http://example.com/tests/toolkit/components/places/tests/browser/begin.html";
yield BrowserTestUtils.openNewForegroundTab(gBrowser, testUrl);
// Load begin page, click link on page to record visits.
yield BrowserTestUtils.synthesizeMouseAtCenter("#clickme", { }, gBrowser.selectedBrowser);
yield visitUriPromise;
yield PlacesTestUtils.clearHistory();
gBrowser.removeCurrentTab();
});
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