// 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/.
// NOTE: This is a test-only file that contains unit tests for
// the lib.rs file.
use std::collections::HashSet;
use std::iter::FromIterator;
use serde_json::json;
use super::*;
use crate::metrics::{StringMetric, TimeUnit, TimespanMetric, TimingDistributionMetric};
const GLOBAL_APPLICATION_ID: &str = "org.mozilla.glean.test.app";
pub fn new_glean(tempdir: Option<tempfile::TempDir>) -> (Glean, tempfile::TempDir) {
let _ = env_logger::builder().try_init();
let dir = match tempdir {
Some(tempdir) => tempdir,
None => tempfile::tempdir().unwrap(),
};
let tmpname = dir.path().display().to_string();
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
(glean, dir)
}
#[test]
fn path_is_constructed_from_data() {
let (glean, _) = new_glean(None);
assert_eq!(
"/submit/org-mozilla-glean-test-app/baseline/1/this-is-a-docid",
glean.make_path("baseline", "this-is-a-docid")
);
}
// Experiment's API tests: the next two tests come from glean-ac's
// ExperimentsStorageEngineTest.kt.
#[test]
fn experiment_id_and_branch_get_truncated_if_too_long() {
let t = tempfile::tempdir().unwrap();
let name = t.path().display().to_string();
let glean = Glean::with_options(&name, "org.mozilla.glean.tests", true);
// Generate long strings for the used ids.
let very_long_id = "test-experiment-id".repeat(10);
let very_long_branch_id = "test-branch-id".repeat(10);
// Mark the experiment as active.
glean.set_experiment_active(
very_long_id.clone(),
very_long_branch_id.clone(),
HashMap::new(),
);
// Generate the expected id and branch strings.
let mut expected_id = very_long_id;
expected_id.truncate(100);
let mut expected_branch_id = very_long_branch_id;
expected_branch_id.truncate(100);
assert!(
glean
.test_get_experiment_data(expected_id.clone())
.is_some(),
"An experiment with the truncated id should be available"
);
// Make sure the branch id was truncated as well.
let experiment_data = glean.test_get_experiment_data(expected_id);
assert!(
experiment_data.is_some(),
"Experiment data must be available"
);
let experiment_data = experiment_data.unwrap();
assert_eq!(expected_branch_id, experiment_data.branch);
}
#[test]
fn limits_on_experiments_extras_are_applied_correctly() {
let t = tempfile::tempdir().unwrap();
let name = t.path().display().to_string();
let glean = Glean::with_options(&name, "org.mozilla.glean.tests", true);
let experiment_id = "test-experiment_id".to_string();
let branch_id = "test-branch-id".to_string();
let mut extras = HashMap::new();
let too_long_key = "0123456789".repeat(11);
let too_long_value = "0123456789".repeat(11);
// Build and extras HashMap that's a little too long in every way
for n in 0..21 {
extras.insert(format!("{}-{}", n, too_long_key), too_long_value.clone());
}
// Mark the experiment as active.
glean.set_experiment_active(experiment_id.clone(), branch_id, extras);
// Make sure it is active
assert!(
glean
.test_get_experiment_data(experiment_id.clone())
.is_some(),
"An experiment with the truncated id should be available"
);
// Get the data
let experiment_data = glean.test_get_experiment_data(experiment_id);
assert!(
experiment_data.is_some(),
"Experiment data must be available"
);
// Parse the JSON and validate the lengths
let experiment_data = experiment_data.unwrap();
assert_eq!(
20,
experiment_data.extra.as_ref().unwrap().len(),
"Experiments extra must be less than max length"
);
for (key, value) in experiment_data.extra.as_ref().unwrap().iter() {
assert!(
key.len() <= 100,
"Experiments extra key must be less than max length"
);
assert!(
value.len() <= 100,
"Experiments extra value must be less than max length"
);
}
}
#[test]
fn experiments_status_is_correctly_toggled() {
let t = tempfile::tempdir().unwrap();
let name = t.path().display().to_string();
let glean = Glean::with_options(&name, "org.mozilla.glean.tests", true);
// Define the experiment's data.
let experiment_id: String = "test-toggle-experiment".into();
let branch_id: String = "test-branch-toggle".into();
let extra: HashMap<String, String> = [("test-key".into(), "test-value".into())]
.iter()
.cloned()
.collect();
// Activate an experiment.
glean.set_experiment_active(experiment_id.clone(), branch_id, extra.clone());
// Check that the experiment is marekd as active.
assert!(
glean
.test_get_experiment_data(experiment_id.clone())
.is_some(),
"The experiment must be marked as active."
);
// Check that the extra data was stored.
let experiment_data = glean.test_get_experiment_data(experiment_id.clone());
assert!(
experiment_data.is_some(),
"Experiment data must be available"
);
let experiment_data = experiment_data.unwrap();
assert_eq!(experiment_data.extra.unwrap(), extra);
// Disable the experiment and check that is no longer available.
glean.set_experiment_inactive(experiment_id.clone());
assert!(
glean.test_get_experiment_data(experiment_id).is_none(),
"The experiment must not be available any more."
);
}
#[test]
fn client_id_and_first_run_date_must_be_regenerated() {
let dir = tempfile::tempdir().unwrap();
let tmpname = dir.path().display().to_string();
{
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
glean.data_store.as_ref().unwrap().clear_all();
assert!(glean
.core_metrics
.client_id
.get_value(&glean, "glean_client_info")
.is_none());
assert!(glean
.core_metrics
.first_run_date
.get_value(&glean, "glean_client_info")
.is_none());
}
{
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
assert!(glean
.core_metrics
.client_id
.get_value(&glean, "glean_client_info")
.is_some());
assert!(glean
.core_metrics
.first_run_date
.get_value(&glean, "glean_client_info")
.is_some());
}
}
#[test]
fn basic_metrics_should_be_cleared_when_uploading_is_disabled() {
let (mut glean, _t) = new_glean(None);
let metric = StringMetric::new(CommonMetricData {
category: "category".to_string(),
name: "string_metric".to_string(),
send_in_pings: vec!["baseline".to_string()],
..Default::default()
});
metric.set_sync(&glean, "TEST VALUE");
assert!(metric.get_value(&glean, "baseline").is_some());
glean.set_upload_enabled(false);
assert!(metric.get_value(&glean, "baseline").is_none());
metric.set_sync(&glean, "TEST VALUE");
assert!(metric.get_value(&glean, "baseline").is_none());
glean.set_upload_enabled(true);
assert!(metric.get_value(&glean, "baseline").is_none());
metric.set_sync(&glean, "TEST VALUE");
assert!(metric.get_value(&glean, "baseline").is_some());
}
#[test]
fn first_run_date_is_managed_correctly_when_toggling_uploading() {
let (mut glean, _) = new_glean(None);
let original_first_run_date = glean
.core_metrics
.first_run_date
.get_value(&glean, "glean_client_info");
glean.set_upload_enabled(false);
assert_eq!(
original_first_run_date,
glean
.core_metrics
.first_run_date
.get_value(&glean, "glean_client_info")
);
glean.set_upload_enabled(true);
assert_eq!(
original_first_run_date,
glean
.core_metrics
.first_run_date
.get_value(&glean, "glean_client_info")
);
}
#[test]
fn client_id_is_managed_correctly_when_toggling_uploading() {
let (mut glean, _) = new_glean(None);
let original_client_id = glean
.core_metrics
.client_id
.get_value(&glean, "glean_client_info");
assert!(original_client_id.is_some());
assert_ne!(*KNOWN_CLIENT_ID, original_client_id.unwrap());
glean.set_upload_enabled(false);
assert_eq!(
*KNOWN_CLIENT_ID,
glean
.core_metrics
.client_id
.get_value(&glean, "glean_client_info")
.unwrap()
);
glean.set_upload_enabled(true);
let current_client_id = glean
.core_metrics
.client_id
.get_value(&glean, "glean_client_info");
assert!(current_client_id.is_some());
assert_ne!(*KNOWN_CLIENT_ID, current_client_id.unwrap());
assert_ne!(original_client_id, current_client_id);
}
#[test]
fn client_id_is_set_to_known_value_when_uploading_disabled_at_start() {
let dir = tempfile::tempdir().unwrap();
let tmpname = dir.path().display().to_string();
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, false);
assert_eq!(
*KNOWN_CLIENT_ID,
glean
.core_metrics
.client_id
.get_value(&glean, "glean_client_info")
.unwrap()
);
}
#[test]
fn client_id_is_set_to_random_value_when_uploading_enabled_at_start() {
let dir = tempfile::tempdir().unwrap();
let tmpname = dir.path().display().to_string();
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
let current_client_id = glean
.core_metrics
.client_id
.get_value(&glean, "glean_client_info");
assert!(current_client_id.is_some());
assert_ne!(*KNOWN_CLIENT_ID, current_client_id.unwrap());
}
#[test]
fn enabling_when_already_enabled_is_a_noop() {
let dir = tempfile::tempdir().unwrap();
let tmpname = dir.path().display().to_string();
let mut glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
assert!(!glean.set_upload_enabled(true));
}
#[test]
fn disabling_when_already_disabled_is_a_noop() {
let dir = tempfile::tempdir().unwrap();
let tmpname = dir.path().display().to_string();
let mut glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, false);
assert!(!glean.set_upload_enabled(false));
}
// Test that the enum variants keep a stable discriminant when serialized.
// Discriminant values are taken from a stable ordering from v20.0.0.
// New metrics after that should be added in order.
#[test]
#[rustfmt::skip] // Let's not add newlines unnecessary
fn correct_order() {
use histogram::Histogram;
use metrics::{Metric::*, TimeUnit};
use std::time::Duration;
use util::local_now_with_offset;
// Extract the discriminant of the serialized value,
// that is: the first 4 bytes.
fn discriminant(metric: &metrics::Metric) -> u32 {
let ser = bincode::serialize(metric).unwrap();
(ser[0] as u32)
| (ser[1] as u32) << 8
| (ser[2] as u32) << 16
| (ser[3] as u32) << 24
}
// One of every metric type. The values are arbitrary and don't matter.
let long_string = "0123456789".repeat(200);
let all_metrics = vec![
Boolean(false),
Counter(0),
CustomDistributionExponential(Histogram::exponential(1, 500, 10)),
CustomDistributionLinear(Histogram::linear(1, 500, 10)),
Datetime(local_now_with_offset(), TimeUnit::Second),
Experiment(RecordedExperiment { branch: "branch".into(), extra: None, }),
Quantity(0),
String("glean".into()),
StringList(vec!["glean".into()]),
Uuid("082c3e52-0a18-11ea-946f-0fe0c98c361c".into()),
Timespan(Duration::new(5, 0), TimeUnit::Second),
TimingDistribution(Histogram::functional(2.0, 8.0)),
MemoryDistribution(Histogram::functional(2.0, 8.0)),
Jwe("eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkEyNTZHQ00ifQ.OKOawDo13gRp2ojaHV7LFpZcgV7T6DVZKTyKOMTYUmKoTCVJRgckCL9kiMT03JGeipsEdY3mx_etLbbWSrFr05kLzcSr4qKAq7YN7e9jwQRb23nfa6c9d-StnImGyFDbSv04uVuxIp5Zms1gNxKKK2Da14B8S4rzVRltdYwam_lDp5XnZAYpQdb76FdIKLaVmqgfwX7XWRxv2322i-vDxRfqNzo_tETKzpVLzfiwQyeyPGLBIO56YJ7eObdv0je81860ppamavo35UgoRdbYaBcoh9QcfylQr66oc6vFWXRcZ_ZT2LawVCWTIy3brGPi6UklfCpIMfIjf7iGdXKHzg.48V1_ALb6US04U3b.5eym8TW_c8SuK0ltJ3rpYIzOeDQz7TALvtu6UG9oMo4vpzs9tX_EFShS8iB7j6jiSdiwkIr3ajwQzaBtQD_A.XFBoMYUZodetZdvTiFvSkQ".into()),
Rate(0, 0),
Text(long_string),
];
for metric in all_metrics {
let disc = discriminant(&metric);
// DO NOT TOUCH THE EXPECTED VALUE.
// If this test fails because of non-equal discriminants, that is a bug in the code, not
// the test.
// We're matching here, thus fail the build if new variants are added.
match metric {
Boolean(..) => assert_eq!( 0, disc),
Counter(..) => assert_eq!( 1, disc),
CustomDistributionExponential(..) => assert_eq!( 2, disc),
CustomDistributionLinear(..) => assert_eq!( 3, disc),
Datetime(..) => assert_eq!( 4, disc),
Experiment(..) => assert_eq!( 5, disc),
Quantity(..) => assert_eq!( 6, disc),
String(..) => assert_eq!( 7, disc),
StringList(..) => assert_eq!( 8, disc),
Uuid(..) => assert_eq!( 9, disc),
Timespan(..) => assert_eq!(10, disc),
TimingDistribution(..) => assert_eq!(11, disc),
MemoryDistribution(..) => assert_eq!(12, disc),
Jwe(..) => assert_eq!(13, disc),
Rate(..) => assert_eq!(14, disc),
Url(..) => assert_eq!(15, disc),
Text(..) => assert_eq!(16, disc),
}
}
}
#[test]
#[rustfmt::skip] // Let's not merge lines
fn backwards_compatible_deserialization() {
use std::env;
use std::time::Duration;
use chrono::prelude::*;
use histogram::Histogram;
use metrics::{Metric::*, TimeUnit};
// Prepare some data to fill in
let dt = FixedOffset::east(9*3600).ymd(2014, 11, 28).and_hms_nano(21, 45, 59, 12);
let mut custom_dist_exp = Histogram::exponential(1, 500, 10);
custom_dist_exp.accumulate(10);
let mut custom_dist_linear = Histogram::linear(1, 500, 10);
custom_dist_linear.accumulate(10);
let mut time_dist = Histogram::functional(2.0, 8.0);
time_dist.accumulate(10);
let mut mem_dist = Histogram::functional(2.0, 16.0);
mem_dist.accumulate(10);
// One of every metric type. The values are arbitrary, but stable.
let all_metrics = vec![
(
"boolean",
vec![0, 0, 0, 0, 1],
Boolean(true)
),
(
"counter",
vec![1, 0, 0, 0, 20, 0, 0, 0],
Counter(20)
),
(
"custom exponential distribution",
vec![2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0,
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 244, 1, 0, 0, 0, 0, 0, 0, 10, 0,
0, 0, 0, 0, 0, 0],
CustomDistributionExponential(custom_dist_exp)
),
(
"custom linear distribution",
vec![3, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 1, 0,
0, 0, 0, 0, 0, 0, 244, 1, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0],
CustomDistributionLinear(custom_dist_linear)
),
(
"datetime",
vec![4, 0, 0, 0, 35, 0, 0, 0, 0, 0, 0, 0, 50, 48, 49, 52, 45, 49, 49, 45,
50, 56, 84, 50, 49, 58, 52, 53, 58, 53, 57, 46, 48, 48, 48, 48, 48,
48, 48, 49, 50, 43, 48, 57, 58, 48, 48, 3, 0, 0, 0],
Datetime(dt, TimeUnit::Second),
),
(
"experiment",
vec![5, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 98, 114, 97, 110, 99, 104, 0],
Experiment(RecordedExperiment { branch: "branch".into(), extra: None, }),
),
(
"quantity",
vec![6, 0, 0, 0, 17, 0, 0, 0, 0, 0, 0, 0],
Quantity(17)
),
(
"string",
vec![7, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 103, 108, 101, 97, 110],
String("glean".into())
),
(
"string list",
vec![8, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0,
103, 108, 101, 97, 110],
StringList(vec!["glean".into()])
),
(
"uuid",
vec![9, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 48, 56, 50, 99, 51, 101, 53, 50,
45, 48, 97, 49, 56, 45, 49, 49, 101, 97, 45, 57, 52, 54, 102, 45, 48,
102, 101, 48, 99, 57, 56, 99, 51, 54, 49, 99],
Uuid("082c3e52-0a18-11ea-946f-0fe0c98c361c".into()),
),
(
"timespan",
vec![10, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0],
Timespan(Duration::new(5, 0), TimeUnit::Second),
),
(
"timing distribution",
vec![11, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 123, 81, 125,
60, 184, 114, 241, 63],
TimingDistribution(time_dist),
),
(
"memory distribution",
vec![12, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 15, 137, 249,
108, 88, 181, 240, 63],
MemoryDistribution(mem_dist),
),
];
for (name, data, metric) in all_metrics {
// Helper to print serialization data if instructed by environment variable
// Run with:
//
// ```text
// PRINT_DATA=1 cargo test -p glean-core --lib -- --nocapture backwards
// ```
//
// This should not be necessary to re-run and change here, unless a bincode upgrade
// requires us to also migrate existing data.
if env::var("PRINT_DATA").is_ok() {
let bindata = bincode::serialize(&metric).unwrap();
println!("(\n {:?},\n vec!{:?},", name, bindata);
} else {
// Otherwise run the test
let deserialized = bincode::deserialize(&data).unwrap();
if let CustomDistributionExponential(hist) = &deserialized {
hist.snapshot_values(); // Force initialization of the ranges
}
if let CustomDistributionLinear(hist) = &deserialized {
hist.snapshot_values(); // Force initialization of the ranges
}
assert_eq!(
metric, deserialized,
"Expected properly deserialized {}",
name
);
}
}
}
#[test]
fn test_first_run() {
let dir = tempfile::tempdir().unwrap();
let tmpname = dir.path().display().to_string();
{
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
// Check that this is indeed the first run.
assert!(glean.is_first_run());
}
{
// Other runs must be not marked as "first run".
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
assert!(!glean.is_first_run());
}
}
#[test]
fn test_dirty_bit() {
let dir = tempfile::tempdir().unwrap();
let tmpname = dir.path().display().to_string();
{
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
// The dirty flag must not be set the first time Glean runs.
assert!(!glean.is_dirty_flag_set());
// Set the dirty flag and check that it gets correctly set.
glean.set_dirty_flag(true);
assert!(glean.is_dirty_flag_set());
}
{
// Check that next time Glean runs, it correctly picks up the "dirty flag".
// It is expected to be 'true'.
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
assert!(glean.is_dirty_flag_set());
// Set the dirty flag to false.
glean.set_dirty_flag(false);
assert!(!glean.is_dirty_flag_set());
}
{
// Check that next time Glean runs, it correctly picks up the "dirty flag".
// It is expected to be 'false'.
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
assert!(!glean.is_dirty_flag_set());
}
}
#[test]
fn test_change_metric_type_runtime() {
let dir = tempfile::tempdir().unwrap();
let (glean, _) = new_glean(Some(dir));
// We attempt to create two metrics: one with a 'string' type and the other
// with a 'timespan' type, both being sent in the same pings and having the
// same lifetime.
let metric_name = "type_swap";
let metric_category = "test";
let metric_lifetime = Lifetime::Ping;
let ping_name = "store1";
let string_metric = StringMetric::new(CommonMetricData {
name: metric_name.into(),
category: metric_category.into(),
send_in_pings: vec![ping_name.into()],
disabled: false,
lifetime: metric_lifetime,
..Default::default()
});
let string_value = "definitely-a-string!";
string_metric.set_sync(&glean, string_value);
assert_eq!(
string_metric.get_value(&glean, ping_name).unwrap(),
string_value,
"Expected properly deserialized string"
);
let timespan_metric = TimespanMetric::new(
CommonMetricData {
name: metric_name.into(),
category: metric_category.into(),
send_in_pings: vec![ping_name.into()],
disabled: false,
lifetime: metric_lifetime,
..Default::default()
},
TimeUnit::Nanosecond,
);
let duration = 60;
timespan_metric.set_start(&glean, 0);
timespan_metric.set_stop(&glean, duration);
assert_eq!(
timespan_metric.get_value(&glean, ping_name).unwrap(),
60,
"Expected properly deserialized time"
);
// We expect old data to be lost forever. See the following bug comment
// https://bugzilla.mozilla.org/show_bug.cgi?id=1621757#c1 for more context.
assert_eq!(None, string_metric.get_value(&glean, ping_name));
}
#[test]
fn timing_distribution_truncation() {
let dir = tempfile::tempdir().unwrap();
let (glean, _) = new_glean(Some(dir));
let max_sample_time = 1000 * 1000 * 1000 * 60 * 10;
for (unit, expected_keys) in &[
(
TimeUnit::Nanosecond,
HashSet::<i64>::from_iter(vec![961_548, 939, 599_512_966_122, 1]),
),
(
TimeUnit::Microsecond,
HashSet::<i64>::from_iter(vec![939, 562_949_953_421_318, 599_512_966_122, 961_548]),
),
(
TimeUnit::Millisecond,
HashSet::<i64>::from_iter(vec![
961_548,
576_460_752_303_431_040,
599_512_966_122,
562_949_953_421_318,
]),
),
] {
let dist = TimingDistributionMetric::new(
CommonMetricData {
name: format!("local_metric_{:?}", unit),
category: "local".into(),
send_in_pings: vec!["baseline".into()],
..Default::default()
},
*unit,
);
for &value in &[
1,
1_000,
1_000_000,
max_sample_time,
max_sample_time * 1_000,
max_sample_time * 1_000_000,
] {
let timer_id = 4u64.into();
dist.set_start(timer_id, 0);
dist.set_stop_and_accumulate(&glean, timer_id, value);
}
let snapshot = dist.get_value(&glean, "baseline").unwrap();
let mut keys = HashSet::new();
let mut recorded_values = 0;
for (&key, &value) in &snapshot.values {
// A snapshot potentially includes buckets with a 0 count.
// We can ignore them here.
if value > 0 {
assert!((key as u64) < max_sample_time * unit.as_nanos(1));
keys.insert(key);
recorded_values += 1;
}
}
assert_eq!(4, recorded_values);
assert_eq!(keys, *expected_keys);
// The number of samples was originally designed around 1ns to
// 10minutes, with 8 steps per power of 2, which works out to 316 items.
// This is to ensure that holds even when the time unit is changed.
assert!(snapshot.values.len() < 316);
}
}
#[test]
fn timing_distribution_truncation_accumulate() {
let dir = tempfile::tempdir().unwrap();
let (glean, _) = new_glean(Some(dir));
let max_sample_time = 1000 * 1000 * 1000 * 60 * 10;
for &unit in &[
TimeUnit::Nanosecond,
TimeUnit::Microsecond,
TimeUnit::Millisecond,
] {
let dist = TimingDistributionMetric::new(
CommonMetricData {
name: format!("local_metric_{:?}", unit),
category: "local".into(),
send_in_pings: vec!["baseline".into()],
..Default::default()
},
unit,
);
let samples = [
1,
1000,
100000,
max_sample_time,
max_sample_time * 1_000,
max_sample_time * 1_000_000,
];
let timer_id = 4u64.into(); // xkcd#221
for sample in samples {
dist.set_start(timer_id, 0);
dist.set_stop_and_accumulate(&glean, timer_id, sample);
}
let snapshot = dist.get_value(&glean, "baseline").unwrap();
// The number of samples was originally designed around 1ns to
// 10minutes, with 8 steps per power of 2, which works out to 316 items.
// This is to ensure that holds even when the time unit is changed.
assert!(snapshot.values.len() < 316);
}
}
#[test]
fn test_setting_debug_view_tag() {
let dir = tempfile::tempdir().unwrap();
let (mut glean, _) = new_glean(Some(dir));
let valid_tag = "valid-tag";
assert!(glean.set_debug_view_tag(valid_tag));
assert_eq!(valid_tag, glean.debug_view_tag().unwrap());
let invalid_tag = "invalid tag";
assert!(!glean.set_debug_view_tag(invalid_tag));
assert_eq!(valid_tag, glean.debug_view_tag().unwrap());
}
#[test]
fn test_setting_log_pings() {
let dir = tempfile::tempdir().unwrap();
let (mut glean, _) = new_glean(Some(dir));
assert!(!glean.log_pings());
glean.set_log_pings(true);
assert!(glean.log_pings());
glean.set_log_pings(false);
assert!(!glean.log_pings());
}
#[test]
fn test_set_metrics_disabled() {
let (glean, _t) = new_glean(None);
let metric = StringMetric::new(CommonMetricData {
category: "category".to_string(),
name: "string_metric".to_string(),
send_in_pings: vec!["baseline".to_string()],
..Default::default()
});
let another_metric = LabeledString::new(
CommonMetricData {
category: "category".to_string(),
name: "labeled_string_metric".to_string(),
send_in_pings: vec!["baseline".to_string()],
..Default::default()
},
Some(vec!["label1".into()]),
);
// 1. Set the metrics with a "TEST_VALUE" and ensure it was set
metric.set_sync(&glean, "TEST_VALUE");
assert_eq!(
"TEST_VALUE",
metric.get_value(&glean, "baseline").unwrap(),
"Initial value must match"
);
another_metric.get("label1").set_sync(&glean, "TEST_VALUE");
assert_eq!(
"TEST_VALUE",
another_metric
.get("label1")
.get_value(&glean, "baseline")
.unwrap(),
"Initial value must match"
);
// 2. Set a configuration to disable the metrics
let mut metrics_disabled_config = json!(
{
"category.string_metric": true,
"category.labeled_string_metric": true,
}
)
.to_string();
glean.set_metrics_disabled_config(
MetricsDisabledConfig::try_from(metrics_disabled_config).unwrap(),
);
// 3. Since the metrics were disabled, setting a new value will be ignored
metric.set_sync(&glean, "VALUE_AFTER_DISABLED");
assert_eq!(
"TEST_VALUE",
metric.get_value(&glean, "baseline").unwrap(),
"Shouldn't set when disabled"
);
another_metric
.get("label1")
.set_sync(&glean, "VALUE_AFTER_DISABLED");
assert_eq!(
"TEST_VALUE",
another_metric
.get("label1")
.get_value(&glean, "baseline")
.unwrap(),
"Shouldn't set when disabled"
);
// 4. Set a new configuration where the metrics are enabled
metrics_disabled_config = json!({}).to_string();
glean.set_metrics_disabled_config(
MetricsDisabledConfig::try_from(metrics_disabled_config).unwrap(),
);
// 5. Since the metrics are now enabled, setting a new value should work
metric.set_sync(&glean, "VALUE_AFTER_REENABLED");
assert_eq!(
"VALUE_AFTER_REENABLED",
metric.get_value(&glean, "baseline").unwrap(),
"Should set when re-enabled"
);
another_metric
.get("label1")
.set_sync(&glean, "VALUE_AFTER_REENABLED");
assert_eq!(
"VALUE_AFTER_REENABLED",
another_metric
.get("label1")
.get_value(&glean, "baseline")
.unwrap(),
"Should set when re-enabled"
);
}
#[test]
fn test_remote_settings_epoch() {
let (glean, _t) = new_glean(None);
// 1. Ensure the starting epoch
let mut current_epoch = glean.remote_settings_epoch.load(Ordering::Acquire);
assert_eq!(0u8, current_epoch, "Current epoch must start at 0");
// 2. Set a configuration which will trigger incrementing the epoch
let metrics_disabled_config = json!(
{
"category.string_metric": true
}
)
.to_string();
glean.set_metrics_disabled_config(
MetricsDisabledConfig::try_from(metrics_disabled_config).unwrap(),
);
// 3. Ensure the epoch updated
current_epoch = glean.remote_settings_epoch.load(Ordering::Acquire);
assert_eq!(1u8, current_epoch, "Current epoch must match");
}
#[test]
fn test_remote_settings_epoch_updates_in_metric() {
let (glean, _t) = new_glean(None);
let metric = StringMetric::new(CommonMetricData {
category: "category".to_string(),
name: "string_metric".to_string(),
send_in_pings: vec!["baseline".to_string()],
..Default::default()
});
// 1. Set the metric with a "TEST_VALUE" and ensure it was set
metric.set_sync(&glean, "TEST_VALUE");
assert_eq!(
"TEST_VALUE",
metric.get_value(&glean, "baseline").unwrap(),
"Initial value must match"
);
// 2. Set a configuration to disable the `category.string_metric`
let metrics_disabled_config = json!(
{
"category.string_metric": true
}
)
.to_string();
glean.set_metrics_disabled_config(
MetricsDisabledConfig::try_from(metrics_disabled_config).unwrap(),
);
// 3. Ensure the epoch was updated
let current_epoch = glean.remote_settings_epoch.load(Ordering::Acquire);
assert_eq!(1u8, current_epoch, "Current epoch must update");
// 4. Since the metric was disabled, setting a new value will be ignored
// AND the metric should update its epoch to match the `current_epoch`
metric.set_sync(&glean, "VALUE_AFTER_DISABLED");
assert_eq!(
"TEST_VALUE",
metric.get_value(&glean, "baseline").unwrap(),
"Shouldn't set when disabled"
);
use crate::metrics::MetricType;
// The "epoch" resides in the upper nibble of the `inner.disabled` field
let epoch = metric.meta().disabled.load(Ordering::Acquire) >> 4;
assert_eq!(
current_epoch, epoch,
"Epoch must match between metric and Glean core"
);
}
#[test]
#[should_panic]
fn test_empty_application_id() {
let dir = tempfile::tempdir().unwrap();
let tmpname = dir.path().display().to_string();
let glean = Glean::with_options(&tmpname, "", true);
// Check that this is indeed the first run.
assert!(glean.is_first_run());
}
#[test]
fn records_database_file_size() {
let _ = env_logger::builder().is_test(true).try_init();
// Note: We don't use `new_glean` because we need to re-use the database directory.
let dir = tempfile::tempdir().unwrap();
let tmpname = dir.path().display().to_string();
// Initialize Glean once to ensure we create the database.
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
let database_size = &glean.database_metrics.size;
let data = database_size.get_value(&glean, "metrics");
assert!(data.is_none());
drop(glean);
// Initialize Glean again to record file size.
let glean = Glean::with_options(&tmpname, GLOBAL_APPLICATION_ID, true);
let database_size = &glean.database_metrics.size;
let data = database_size.get_value(&glean, "metrics");
assert!(data.is_some());
let data = data.unwrap();
// We should see the database containing some data.
assert!(data.sum > 0);
}
#[cfg(not(target_os = "windows"))]
#[test]
fn records_io_errors() {
use std::fs;
let _ = env_logger::builder().is_test(true).try_init();
let (glean, _data_dir) = new_glean(None);
let pending_pings_dir = glean.get_data_path().join(crate::PENDING_PINGS_DIRECTORY);
fs::create_dir_all(&pending_pings_dir).unwrap();
let attr = fs::metadata(&pending_pings_dir).unwrap();
let original_permissions = attr.permissions();
// Remove write permissions on the pending_pings directory.
let mut permissions = original_permissions.clone();
permissions.set_readonly(true);
fs::set_permissions(&pending_pings_dir, permissions).unwrap();
// Writing the ping file should fail.
let submitted = glean.internal_pings.baseline.submit_sync(&glean, None);
// But the return value is still `true` because we enqueue the ping anyway.
assert!(submitted);
let metric = &glean.additional_metrics.io_errors;
assert_eq!(
1,
metric.get_value(&glean, Some("metrics")).unwrap(),
"Should have recorded an IO error"
);
// Restore write permissions.
fs::set_permissions(&pending_pings_dir, original_permissions).unwrap();
// Now we can submit a ping
let submitted = glean.internal_pings.metrics.submit_sync(&glean, None);
assert!(submitted);
}
#[test]
fn test_activity_api() {
let _ = env_logger::builder().is_test(true).try_init();
let dir = tempfile::tempdir().unwrap();
let (mut glean, _) = new_glean(Some(dir));
// Signal that the client was active.
glean.handle_client_active();
// Check that we set everything we needed for the 'active' status.
assert!(glean.is_dirty_flag_set());
// Signal back that client is ianctive.
glean.handle_client_inactive();
// Check that we set everything we needed for the 'inactive' status.
assert!(!glean.is_dirty_flag_set());
}