delete-test.rs

#[test]
fn telemetry_cleanup_removes_old_files() {
    setup(&|config| {
        expect_ok(config, &["rustup", "default", "stable"]);
        expect_ok(config, &["rustup", "telemetry", "on"]);
        expect_ok(config, &["rustc", "--version"]);

        let telemetry_dir = config.rustupdir.join("telemetry");
        utils::ensure_dir_exists("telemetry",
                                 &telemetry_dir,
                                 multirust_utils::NotifyHandler::none());

        let today = time::now_utc();
        let mut d = today.sub(Duration::days(120));
        let one_day = time::Duration::days(1);

        for x in 0..110 {
            let file_name = format!("log-{}-{:02}-{:02}.json", d.tm_year + 1900, d.tm_mon + 1, d.tm_mday);
            let _ = raw::write_file(&telemetry_dir.join(&file_name), "");
            d = d.add(one_day);
        }

        expect_ok(config, &["rustc", "--version"]);

        let out = telemetry_dir.read_dir();
        assert!(out.is_ok());

        let contents = out.unwrap();
        let count = contents.count();

        assert!(count == 100);
    });
}