toolkit/components/telemetry/tests/unit/test_TelemetryLockCount.js@925c144e1f1f (annotated)
toolkit/components/telemetry/tests/unit/test_TelemetryLockCount.js
Fri, 16 Jan 2015 18:13:44 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 18:13:44 +0100
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
- permissions
- -rw-r--r--
Integrate suggestion from review to improve consistency with existing code.
| michael@0 | 1 | /* Any copyright is dedicated to the Public Domain. |
| michael@0 | 2 | http://creativecommons.org/publicdomain/zero/1.0/ |
| michael@0 | 3 | */ |
| michael@0 | 4 | /* A testcase to make sure reading the failed profile lock count works. */ |
| michael@0 | 5 | |
| michael@0 | 6 | const Cc = Components.classes; |
| michael@0 | 7 | const Ci = Components.interfaces; |
| michael@0 | 8 | const Cu = Components.utils; |
| michael@0 | 9 | const Cr = Components.results; |
| michael@0 | 10 | |
| michael@0 | 11 | Cu.import("resource://gre/modules/Services.jsm", this); |
| michael@0 | 12 | |
| michael@0 | 13 | const Telemetry = Cc["@mozilla.org/base/telemetry;1"].getService(Ci.nsITelemetry); |
| michael@0 | 14 | |
| michael@0 | 15 | const LOCK_FILE_NAME = "Telemetry.FailedProfileLocks.txt"; |
| michael@0 | 16 | const N_FAILED_LOCKS = 10; |
| michael@0 | 17 | |
| michael@0 | 18 | // Constants from prio.h for nsIFileOutputStream.init |
| michael@0 | 19 | const PR_WRONLY = 0x2; |
| michael@0 | 20 | const PR_CREATE_FILE = 0x8; |
| michael@0 | 21 | const PR_TRUNCATE = 0x20; |
| michael@0 | 22 | const RW_OWNER = 0600; |
| michael@0 | 23 | |
| michael@0 | 24 | function write_string_to_file(file, contents) { |
| michael@0 | 25 | let ostream = Cc["@mozilla.org/network/safe-file-output-stream;1"] |
| michael@0 | 26 | .createInstance(Ci.nsIFileOutputStream); |
| michael@0 | 27 | ostream.init(file, PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE, |
| michael@0 | 28 | RW_OWNER, ostream.DEFER_OPEN); |
| michael@0 | 29 | ostream.write(contents, contents.length); |
| michael@0 | 30 | ostream.QueryInterface(Ci.nsISafeOutputStream).finish(); |
| michael@0 | 31 | ostream.close(); |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | function construct_file() { |
| michael@0 | 35 | let profileDirectory = Services.dirsvc.get("ProfD", Ci.nsIFile); |
| michael@0 | 36 | let file = profileDirectory.clone(); |
| michael@0 | 37 | file.append(LOCK_FILE_NAME); |
| michael@0 | 38 | return file; |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | function run_test() { |
| michael@0 | 42 | do_get_profile(); |
| michael@0 | 43 | |
| michael@0 | 44 | do_check_eq(Telemetry.failedProfileLockCount, 0); |
| michael@0 | 45 | |
| michael@0 | 46 | write_string_to_file(construct_file(), N_FAILED_LOCKS.toString()); |
| michael@0 | 47 | |
| michael@0 | 48 | // Make sure that we're not eagerly reading the count now that the |
| michael@0 | 49 | // file exists. |
| michael@0 | 50 | do_check_eq(Telemetry.failedProfileLockCount, 0); |
| michael@0 | 51 | |
| michael@0 | 52 | do_test_pending(); |
| michael@0 | 53 | Telemetry.asyncFetchTelemetryData(actual_test); |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | function actual_test() { |
| michael@0 | 57 | do_check_eq(Telemetry.failedProfileLockCount, N_FAILED_LOCKS); |
| michael@0 | 58 | do_check_false(construct_file().exists()); |
| michael@0 | 59 | do_test_finished(); |
| michael@0 | 60 | } |
