glean/glean-core/tests/datetime.rs

// 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/.

mod common;
use crate::common::*;

use chrono::prelude::*;
use serde_json::json;

use glean_core::metrics::*;
use glean_core::storage::StorageManager;
use glean_core::{CommonMetricData, Glean, Lifetime};

// SKIPPED from glean-ac: string deserializer should correctly parse integers
// This test doesn't really apply to rkv

#[test]
fn datetime_serializer_should_correctly_serialize_datetime() {
    let expected_value = "1983-04-13T12:09+00:00";
    let (_t, tmpname) = tempdir();
    {
        let glean = Glean::new(&tmpname, GLOBAL_APPLICATION_ID, true).unwrap();

        let metric = DatetimeMetric::new(CommonMetricData {
            name: "datetime_metric".into(),
            category: "telemetry".into(),
            send_in_pings: vec!["store1".into()],
            disabled: false,
            lifetime: Lifetime::User,
        }, TimeUnit::Minute);

        // `1983-04-13T12:09:14.274+00:00` will be truncated to Minute resolution.
        let dt = FixedOffset::east(0).ymd(1983, 4, 13).and_hms_milli(12, 9, 14, 274);
        metric.set(&glean, dt);

        let snapshot = StorageManager
            .snapshot_as_json(glean.storage(), "store1", true)
            .unwrap();
        assert_eq!(
            json!({"datetime": {"telemetry.datetime_metric": expected_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 = Glean::new(&tmpname, GLOBAL_APPLICATION_ID, true).unwrap();
        let snapshot = StorageManager
            .snapshot_as_json(glean.storage(), "store1", true)
            .unwrap();
        assert_eq!(
            json!({"datetime": {"telemetry.datetime_metric": expected_value}}),
            snapshot
        );
    }
}