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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
//! This integration test should model how the RLB is used when embedded in another Rust application
//! (e.g. FOG/Firefox Desktop).
//!
//! We write a single test scenario per file to avoid any state keeping across runs
//! (different files run as different processes).
mod common;
use glean::{ConfigurationBuilder, TestGetValue};
/// Some user metrics.
mod metrics {
use glean::private::*;
use glean::Lifetime;
use glean_core::CommonMetricData;
use once_cell::sync::Lazy;
#[allow(non_upper_case_globals)]
pub static rapid_counting: Lazy<CounterMetric> = Lazy::new(|| {
CounterMetric::new(CommonMetricData {
name: "rapid_counting".into(),
category: "sample".into(),
send_in_pings: vec!["metrics".into()],
lifetime: Lifetime::Ping,
disabled: false,
..Default::default()
})
});
// This is a hack, but a good one:
//
// To avoid reaching into RLB internals we re-create the metric so we can look at it.
#[allow(non_upper_case_globals)]
pub static preinit_tasks_overflow: Lazy<CounterMetric> = Lazy::new(|| {
CounterMetric::new(CommonMetricData {
category: "glean.error".into(),
name: "preinit_tasks_overflow".into(),
send_in_pings: vec!["metrics".into(), "health".into()],
lifetime: Lifetime::Ping,
disabled: false,
..Default::default()
})
});
}
/// Test scenario: Lots of metric recordings before init.
///
/// The app starts recording metrics before Glean is initialized.
/// Once initialized the recordings are processed and data is persisted.
/// The pre-init dispatcher queue records how many recordings over the limit it saw.
///
/// This is an integration test to avoid dealing with resetting the dispatcher.
#[ignore] // oops, long running test see Bug 1911350 for more info
#[test]
fn overflowing_the_task_queue_records_telemetry() {
common::enable_test_logging();
// Create a custom configuration to use a validating uploader.
let dir = tempfile::tempdir().unwrap();
let tmpname = dir.path().to_path_buf();
let cfg = ConfigurationBuilder::new(true, tmpname, "firefox-desktop")
.with_server_endpoint("invalid-test-host")
.build();
// Insert a bunch of tasks to overflow the queue.
for _ in 0..1000010 {
metrics::rapid_counting.add(1);
}
// Now initialize Glean
common::initialize(cfg);
assert_eq!(Some(1000000), metrics::rapid_counting.test_get_value(None));
// The metrics counts the total number of overflowing tasks,
// (and the count of tasks in the queue when we overflowed: bug 1764573)
// this might include Glean-internal tasks.
let val = metrics::preinit_tasks_overflow
.test_get_value(None)
.unwrap();
assert!(val >= 10);
glean::shutdown();
}
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