/// <summary>
/// Returns the stored value for testing purposes only. This function will attempt to await the
/// last task (if any) writing to the the metric's storage engine before returning a value.
/// @throws [NullPointerException] if no value is stored
/// </summary>
/// <param name="pingName">represents the name of the ping to retrieve the metric for.
/// Defaults to the first value in `sendInPings`</param>
/// <returns>value of the stored metric</returns>
/// <exception cref="System.NullReferenceException">Thrown when the metric contains no value</exception>
public JweData TestGetValue(string pingName = null)
{
Dispatchers.AssertInTestingMode();
if (!TestHasValue(pingName))
{
throw new NullReferenceException();
}
string ping = pingName ?? sendInPings[0];
JsonDocument jsonPayload = JsonDocument.Parse(
LibGleanFFI.glean_jwe_test_get_value_as_json_string(this.handle, ping).AsString()
);
JsonElement root = jsonPayload.RootElement;
return(new JweData(
root.GetProperty("header").GetString(),
root.GetProperty("key").GetString(),
root.GetProperty("init_vector").GetString(),
root.GetProperty("cipher_text").GetString(),
root.GetProperty("auth_tag").GetString()
));
}
