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Bug 1390585 - Check the state of BHRTelemetryService in test_BHRObserver.js, r=froydnj

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This commit is contained in:
Michael Layzell 2017-08-15 14:13:19 -04:00
parent 3d16325eaf
commit e3a6c83f03
2 changed files with 46 additions and 0 deletions
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3
toolkit/components/backgroundhangmonitor/BHRTelemetryService.js
View File

@ -13,6 +13,9 @@ XPCOMUtils.defineLazyModuleGetter(this, "TelemetryController",
"resource://gre/modules/TelemetryController.jsm");
function BHRTelemetryService() {
// Allow tests to get access to this object to verify it works correctly.
this.wrappedJSObject = this;
Services.obs.addObserver(this, "profile-before-change");
Services.obs.addObserver(this, "bhr-thread-hang");

43
toolkit/components/backgroundhangmonitor/tests/test_BHRObserver.js
View File

@ -28,6 +28,10 @@ add_task(async function test_BHRObserver() {
return;
}
let telSvc = Cc["@mozilla.org/bhr-telemetry-service;1"].getService().wrappedJSObject;
ok(telSvc, "Should have BHRTelemetryService");
let beforeLen = telSvc.payload.hangs.length;
if (Services.appinfo.OS === "Linux" || Services.appinfo.OS === "Android") {
// We use the rt_tgsigqueueinfo syscall on Linux which requires a
// certain kernel version. It's not an error if the system running
@ -113,6 +117,45 @@ add_task(async function test_BHRObserver() {
});
// Check that the telemetry service collected pings which make sense
ok(telSvc.payload.hangs.length - beforeLen >= 3);
ok(Array.isArray(telSvc.payload.modules));
telSvc.payload.modules.forEach(module => {
ok(Array.isArray(module));
equal(module.length, 2);
equal(typeof module[0], "string");
equal(typeof module[1], "string");
});
telSvc.payload.hangs.forEach(hang => {
ok(hang.duration > 0);
ok(hang.thread == "Gecko" || hang.thread == "Gecko_Child");
equal(typeof hang.runnableName, "string");
// hang.stack
ok(Array.isArray(hang.stack));
ok(hang.stack.length > 0);
hang.stack.forEach(entry => {
// Each stack frame entry is either a native or pseudostack entry. A
// native stack entry is an array with module index (number), and offset
// (hex string), while the pseudostack entry is a bare string.
if (Array.isArray(entry)) {
equal(entry.length, 2);
equal(typeof entry[0], "number");
ok(entry[0] < telSvc.payload.hangs.length);
equal(typeof entry[1], "string");
} else {
equal(typeof entry, "string");
}
});
// hang.annotations
equal(typeof hang.annotations, "object");
Object.keys(hang.annotations).forEach(key => {
equal(typeof hang.annotations[key], "string");
});
});
do_send_remote_message("bhr_hangs_detected");
await childDone;
});