it('verify publish interval publishes the proper data while reset clears the data', callback => {
// Configure the telemetry API such that on the first second we get a publish, then in the second second we
// get a reset, then in the 3rd we get another publish
TelemetryAPI.init(_createConfig({ publishInterval: 1, resetInterval: 2 }), err => {
assert.ok(!err);
// Note that if this takes longer than one second our test fails intermittently :( I'm not sure we can avoid this
// without disrupting the test
Telemetry.incr('incr', 10);
Telemetry.append('append', 50);
Telemetry.append('append', 30);
// Wait 1s for the publish event to verify the published data
TelemetryAPI.emitter.once('publish', data => {
assert.strictEqual(data.tests.incr, 10);
assert.strictEqual(data.tests.append.length, 2);
assert.strictEqual(data.tests.append[0], 50);
assert.strictEqual(data.tests.append[1], 30);
// Once we get our reset, wait for the next publish to ensure our counts are reset
TelemetryAPI.emitter.once('reset', () => {
TelemetryAPI.emitter.once('publish', data => {
// Either the top-level tests module object should be gone, or the incr key should either be 0 or falsey
assert.ok(!data.tests || !data.tests.incr);
// Either the top-level tests module object should be gone, or the append key histograms should be either falsey or empty
assert.ok(!data.tests || !data.tests.append || !data.tests.append.length);
return callback();
});
});
});
});
});
before(function(callback) {
// Fill up the global admin rest context
globalAdminRestContext = TestsUtil.createGlobalAdminRestContext();
// Enable the telemetry API
TelemetryAPI.init({'enabled': true}, function(err) {
assert.ok(!err);
return callback();
});
});
beforeEach(callback => {
// Reset the telemetry configuration before each telemetry test
TelemetryAPI.init(_createConfig(), () => {
// *Force* a reset of all telemetry values, even if it is not time to do so
TelemetryAPI.reset(err => {
assert.ok(!err);
Telemetry = TelemetryAPI.telemetry('tests');
return callback();
});
});
});
after(function(callback) {
TelemetryAPI.init({'enabled': false}, function(err) {
assert.ok(!err);
return callback();
});
});