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Bug 707320 - add tests for load/save functionality; r=taras

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This commit is contained in:
Nathan Froyd 2011-12-23 18:37:34 -05:00
parent 9a9ea3fae6
commit 47e2ca820d
1 changed files with 41 additions and 0 deletions
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41
toolkit/components/telemetry/tests/unit/test_nsITelemetry.js
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@ -105,6 +105,45 @@ function test_privateMode() {
do_check_neq(uneval(orig), uneval(h.snapshot()));
}
function generateUUID() {
let str = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator).generateUUID().toString();
// strip {}
return str.substring(1, str.length - 1);
}
// Check that we do sane things when saving to disk.
function test_loadSave()
{
let dirService = Cc["@mozilla.org/file/directory_service;1"]
.getService(Ci.nsIProperties);
let tmpDir = dirService.get("TmpD", Ci.nsILocalFile);
let tmpFile = tmpDir.clone();
tmpFile.append("saved-histograms.dat");
if (tmpFile.exists()) {
tmpFile.remove(true);
}
let saveFinished = false;
let loadFinished = false;
let uuid = generateUUID();
let loadCallback = function(data) {
do_check_true(data != null);
do_check_eq(uuid, data.uuid);
loadFinished = true;
do_test_finished();
};
let saveCallback = function(success) {
do_check_true(success);
Telemetry.loadHistograms(tmpFile, loadCallback);
saveFinished = true;
};
do_test_pending();
Telemetry.saveHistograms(tmpFile, uuid, saveCallback);
do_register_cleanup(function () do_check_true(saveFinished));
do_register_cleanup(function () do_check_true(loadFinished));
do_register_cleanup(function () tmpFile.exists() && tmpFile.remove(true));
}
function run_test()
{
let kinds = [Telemetry.HISTOGRAM_EXPONENTIAL, Telemetry.HISTOGRAM_LINEAR]
@ -121,4 +160,6 @@ function run_test()
test_getHistogramById();
test_getSlowSQL();
test_privateMode();
test_loadSave();
}