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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
mod common;
use crate::common::*;
use serde_json::json;
use glean_core::metrics::*;
use glean_core::storage::StorageManager;
use glean_core::{test_get_num_recorded_errors, ErrorType};
use glean_core::{CommonMetricData, Lifetime};
#[test]
fn text_serializer_should_correctly_serialize_strings() {
let (mut tempdir, _) = tempdir();
{
// We give tempdir to the `new_glean` function...
let (glean, dir) = new_glean(Some(tempdir));
// And then we get it back once that function returns.
tempdir = dir;
let metric = TextMetric::new(CommonMetricData {
name: "text_metric".into(),
category: "telemetry".into(),
send_in_pings: vec!["store1".into()],
disabled: false,
lifetime: Lifetime::User,
..Default::default()
});
metric.set_sync(&glean, "test_text_value");
let snapshot = StorageManager
.snapshot_as_json(glean.storage(), "store1", true)
.unwrap();
assert_eq!(
json!({"text": {"telemetry.text_metric": "test_text_value"}}),
snapshot
);
}
// Make a new Glean instance here, which should force reloading of the data from disk
// so we can ensure it persisted, because it has User lifetime
{
let (glean, _t) = new_glean(Some(tempdir));
let snapshot = StorageManager
.snapshot_as_json(glean.storage(), "store1", true)
.unwrap();
assert_eq!(
json!({"text": {"telemetry.text_metric": "test_text_value"}}),
snapshot
);
}
}
#[test]
fn set_properly_sets_the_value_in_all_stores() {
let (glean, _t) = new_glean(None);
let store_names: Vec<String> = vec!["store1".into(), "store2".into()];
let metric = TextMetric::new(CommonMetricData {
name: "text_metric".into(),
category: "telemetry".into(),
send_in_pings: store_names.clone(),
disabled: false,
lifetime: Lifetime::Ping,
..Default::default()
});
metric.set_sync(&glean, "test_text_value");
// Check that the data was correctly set in each store.
for store_name in store_names {
let snapshot = StorageManager
.snapshot_as_json(glean.storage(), &store_name, true)
.unwrap();
assert_eq!(
json!({"text": {"telemetry.text_metric": "test_text_value"}}),
snapshot
);
}
}
#[test]
fn long_text_values_are_truncated() {
let (glean, _t) = new_glean(None);
let metric = TextMetric::new(CommonMetricData {
name: "text_metric".into(),
category: "telemetry".into(),
send_in_pings: vec!["store1".into()],
disabled: false,
lifetime: Lifetime::Ping,
..Default::default()
});
let test_sting = "01234567890".repeat(200 * 1024);
metric.set_sync(&glean, test_sting.clone());
// Check that data was truncated
assert_eq!(
test_sting[..(200 * 1024)],
metric.get_value(&glean, "store1").unwrap()
);
// Make sure that the errors have been recorded
assert_eq!(
Ok(1),
test_get_num_recorded_errors(&glean, metric.meta(), ErrorType::InvalidOverflow)
);
}