The Tor Browser / file comparison
comparison: toolkit/components/osfile/tests/xpcshell/test_telemetry.js
toolkit/components/osfile/tests/xpcshell/test_telemetry.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
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replaced
| -1:000000000000 | 0:4aef5334c7bc |
|---|---|
| 1 "use strict"; | |
| 2 | |
| 3 let {OS: {File, Path, Constants}} = Components.utils.import("resource://gre/modules/osfile.jsm", {}); | |
| 4 let {Services} = Components.utils.import("resource://gre/modules/Services.jsm", {}); | |
| 5 | |
| 6 // Ensure that we have a profile but that the OS.File worker is not launched | |
| 7 add_task(function* init() { | |
| 8 do_get_profile(); | |
| 9 yield File.resetWorker(); | |
| 10 }); | |
| 11 | |
| 12 function getCount(histogram) { | |
| 13 if (histogram == null) { | |
| 14 return 0; | |
| 15 } | |
| 16 | |
| 17 let total = 0; | |
| 18 for (let i of histogram.counts) { | |
| 19 total += i; | |
| 20 } | |
| 21 return total; | |
| 22 } | |
| 23 | |
| 24 // Ensure that launching the OS.File worker adds data to the relevant | |
| 25 // histograms | |
| 26 add_task(function* test_startup() { | |
| 27 let LAUNCH = "OSFILE_WORKER_LAUNCH_MS"; | |
| 28 let READY = "OSFILE_WORKER_READY_MS"; | |
| 29 | |
| 30 let before = Services.telemetry.histogramSnapshots; | |
| 31 | |
| 32 // Launch the OS.File worker | |
| 33 yield File.getCurrentDirectory(); | |
| 34 | |
| 35 let after = Services.telemetry.histogramSnapshots; | |
| 36 | |
| 37 | |
| 38 do_print("Ensuring that we have recorded measures for histograms"); | |
| 39 do_check_eq(getCount(after[LAUNCH]), getCount(before[LAUNCH]) + 1); | |
| 40 do_check_eq(getCount(after[READY]), getCount(before[READY]) + 1); | |
| 41 | |
| 42 do_print("Ensuring that launh <= ready"); | |
| 43 do_check_true(after[LAUNCH].sum <= after[READY].sum); | |
| 44 }); | |
| 45 | |
| 46 // Ensure that calling writeAtomic adds data to the relevant histograms | |
| 47 add_task(function* test_writeAtomic() { | |
| 48 let LABEL = "OSFILE_WRITEATOMIC_JANK_MS"; | |
| 49 | |
| 50 let before = Services.telemetry.histogramSnapshots; | |
| 51 | |
| 52 // Perform a write. | |
| 53 let path = Path.join(Constants.Path.profileDir, "test_osfile_telemetry.tmp"); | |
| 54 yield File.writeAtomic(path, LABEL, { tmpPath: path + ".tmp" } ); | |
| 55 | |
| 56 let after = Services.telemetry.histogramSnapshots; | |
| 57 | |
| 58 do_check_eq(getCount(after[LABEL]), getCount(before[LABEL]) + 1); | |
| 59 }); | |
| 60 | |
| 61 function run_test() { | |
| 62 run_next_test(); | |
| 63 } |
