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Test Info:
- Manifest: dom/localstorage/test/unit/xpcshell.toml
/**
* Any copyright is dedicated to the Public Domain.
*/
add_task(async function testSteps() {
const dataFile = getRelativeFile(
"storage/default/http+++example.com/ls/data.sqlite"
);
const usageJournalFile = getRelativeFile(
"storage/default/http+++example.com/ls/usage-journal"
);
const usageFile = getRelativeFile(
"storage/default/http+++example.com/ls/usage"
);
const data = {};
data.key = "foo";
data.value = "bar";
data.usage = data.key.length + data.value.length;
async function createStorageForMigration(createUsageDir) {
info("Clearing");
let request = clear();
await requestFinished(request);
info("Installing package");
// The profile contains storage.sqlite and webappsstore.sqlite. The file
// create_db.js in the package was run locally, specifically it was
// temporarily added to xpcshell.ini and then executed:
// mach xpcshell-test --interactive dom/localstorage/test/unit/create_db.js
installPackage("usageAfterMigration_profile");
if (createUsageDir) {
// Origin must be initialized before the usage dir is created.
info("Initializing storage");
request = initStorage();
await requestFinished(request);
info("Initializing temporary storage");
request = initTemporaryStorage();
await requestFinished(request);
info("Initializing origin");
request = initTemporaryOrigin("default", principal);
await requestFinished(request);
info("Creating usage as a directory");
// This will cause a failure during migration.
usageFile.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt("0755", 8));
}
}
function verifyData() {
ok(dataFile.exists(), "Data file does exist");
}
async function verifyUsage(success) {
info("Verifying usage in memory");
let request = getCachedOriginUsage(principal);
await requestFinished(request);
if (success) {
is(request.result, data.usage, "Correct usage");
} else {
is(request.result, 0, "Zero usage");
}
info("Verifying usage on disk");
if (success) {
ok(!usageJournalFile.exists(), "Usage journal file doesn't exist");
ok(usageFile.exists(), "Usage file does exist");
let usage = await readUsageFromUsageFile(usageFile);
is(usage, data.usage, "Correct usage");
} else {
ok(usageJournalFile.exists(), "Usage journal file does exist");
ok(usageFile.exists(), "Usage file does exist");
}
}
info("Setting prefs");
Services.prefs.setBoolPref(
"dom.storage.enable_unsupported_legacy_implementation",
false
);
info("Stage 1 - Testing usage after successful data migration");
await createStorageForMigration(/* createUsageDir */ false);
info("Getting storage");
let storage = getLocalStorage(principal);
info("Opening");
storage.open();
verifyData();
await verifyUsage(/* success */ true);
info("Stage 2 - Testing usage after unsuccessful data migration");
await createStorageForMigration(/* createUsageDir */ true);
info("Getting storage");
storage = getLocalStorage(principal);
info("Opening");
try {
storage.open();
ok(false, "Should have thrown");
} catch (ex) {
ok(true, "Did throw");
}
verifyData();
await verifyUsage(/* success */ false);
info("Stage 3 - Testing usage after unsuccessful/successful data migration");
await createStorageForMigration(/* createUsageDir */ true);
info("Getting storage");
storage = getLocalStorage(principal);
info("Opening");
try {
storage.open();
ok(false, "Should have thrown");
} catch (ex) {
ok(true, "Did throw");
}
usageFile.remove(true);
info("Opening");
storage.open();
verifyData();
await verifyUsage(/* success */ true);
});