fune/toolkit/modules/tests/xpcshell/test_sqlite_shutdown.js

116 lines
3.1 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
do_get_profile();
const { Sqlite } = ChromeUtils.import("resource://gre/modules/Sqlite.jsm");
const { AsyncShutdown } = ChromeUtils.import(
"resource://gre/modules/AsyncShutdown.jsm"
);
function getConnection(dbName, extraOptions = {}) {
let path = dbName + ".sqlite";
let options = { path };
for (let [k, v] of Object.entries(extraOptions)) {
options[k] = v;
}
return Sqlite.openConnection(options);
}
async function getDummyDatabase(name, extraOptions = {}) {
const TABLES = {
dirs: "id INTEGER PRIMARY KEY AUTOINCREMENT, path TEXT",
files: "id INTEGER PRIMARY KEY AUTOINCREMENT, dir_id INTEGER, path TEXT",
};
let c = await getConnection(name, extraOptions);
c._initialStatementCount = 0;
for (let [k, v] of Object.entries(TABLES)) {
await c.execute("CREATE TABLE " + k + "(" + v + ")");
c._initialStatementCount++;
}
return c;
}
function sleep(ms) {
return new Promise(resolve => {
let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
timer.initWithCallback(
{
notify() {
resolve();
},
},
ms,
timer.TYPE_ONE_SHOT
);
});
}
//
// ----------- Don't add a test after this one, as it shuts down Sqlite.jsm
//
add_task(async function test_shutdown_clients() {
info("Ensuring that Sqlite.jsm doesn't shutdown before its clients");
let assertions = [];
let sleepStarted = false;
let sleepComplete = false;
Sqlite.shutdown.addBlocker(
"test_sqlite.js shutdown blocker (sleep)",
async function() {
sleepStarted = true;
await sleep(100);
sleepComplete = true;
}
);
assertions.push({ name: "sleepStarted", value: () => sleepStarted });
assertions.push({ name: "sleepComplete", value: () => sleepComplete });
Sqlite.shutdown.addBlocker(
"test_sqlite.js shutdown blocker (immediate)",
true
);
let dbOpened = false;
let dbClosed = false;
Sqlite.shutdown.addBlocker(
"test_sqlite.js shutdown blocker (open a connection during shutdown)",
async function() {
let db = await getDummyDatabase("opened during shutdown");
dbOpened = true;
db.close().then(() => (dbClosed = true)); // Don't wait for this task to complete, Sqlite.jsm must wait automatically
}
);
assertions.push({ name: "dbOpened", value: () => dbOpened });
assertions.push({ name: "dbClosed", value: () => dbClosed });
info("Now shutdown Sqlite.jsm synchronously");
Services.prefs.setBoolPref("toolkit.asyncshutdown.testing", true);
AsyncShutdown.profileBeforeChange._trigger();
Services.prefs.clearUserPref("toolkit.asyncshutdown.testing");
for (let { name, value } of assertions) {
info("Checking: " + name);
Assert.ok(value());
}
info("Ensure that we cannot open databases anymore");
let exn;
try {
await getDummyDatabase("opened after shutdown");
} catch (ex) {
exn = ex;
}
Assert.ok(!!exn);
Assert.ok(exn.message.includes("Sqlite.jsm has been shutdown"));
});