gstreamer-rs/gstreamer/src/clock_time_serde.rs
2021-06-04 22:09:38 +02:00

111 lines
3.9 KiB
Rust

// Take a look at the license at the top of the repository in the LICENSE file.
use serde::de::{Deserialize, Deserializer};
use serde::ser::{Serialize, Serializer};
use crate::ClockTime;
impl<'a> Serialize for ClockTime {
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
self.0.serialize(serializer)
}
}
impl<'de> Deserialize<'de> for ClockTime {
fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
skip_assert_initialized!();
u64::deserialize(deserializer).map(ClockTime::from_nseconds)
}
}
#[cfg(test)]
mod tests {
use crate::ClockTime;
#[test]
fn test_serialize() {
crate::init().unwrap();
// Some
let clocktime = Some(ClockTime::from_nseconds(42_123_456_789));
let pretty_config = ron::ser::PrettyConfig::new().with_new_line("".to_string());
let res = ron::ser::to_string_pretty(&clocktime, pretty_config.clone());
assert_eq!(Ok("Some(42123456789)".to_owned()), res);
let res = serde_json::to_string(&clocktime).unwrap();
assert_eq!("42123456789".to_owned(), res);
// None
let clocktime = ClockTime::NONE;
let res = ron::ser::to_string_pretty(&clocktime, pretty_config);
assert_eq!(Ok("None".to_owned()), res);
let res = serde_json::to_string(&clocktime).unwrap();
assert_eq!("null".to_owned(), res);
}
#[test]
fn test_deserialize() {
crate::init().unwrap();
// Some
let clocktime_ron = "Some(42123456789)";
let clocktime: Option<ClockTime> = ron::de::from_str(clocktime_ron).unwrap();
let clocktime = clocktime.unwrap();
assert_eq!(clocktime.seconds(), 42);
assert_eq!(clocktime.mseconds(), 42_123);
assert_eq!(clocktime.useconds(), 42_123_456);
assert_eq!(clocktime.nseconds(), 42_123_456_789);
let clocktime_json = "42123456789";
let clocktime: Option<ClockTime> = serde_json::from_str(clocktime_json).unwrap();
let clocktime = clocktime.unwrap();
assert_eq!(clocktime.seconds(), 42);
assert_eq!(clocktime.mseconds(), 42_123);
assert_eq!(clocktime.useconds(), 42_123_456);
assert_eq!(clocktime.nseconds(), 42_123_456_789);
// None
let clocktime_ron = "None";
let clocktime: Option<ClockTime> = ron::de::from_str(clocktime_ron).unwrap();
assert!(clocktime.is_none());
let clocktime_json = "null";
let clocktime: Option<ClockTime> = serde_json::from_str(clocktime_json).unwrap();
assert!(clocktime.is_none());
assert!(clocktime.is_none());
}
#[test]
fn test_serde_roundtrip() {
crate::init().unwrap();
// Direct
let clocktime = ClockTime::from_nseconds(42_123_456_789);
let clocktime_ser = ron::ser::to_string(&clocktime).unwrap();
let clocktime: ClockTime = ron::de::from_str(clocktime_ser.as_str()).unwrap();
assert_eq!(clocktime.seconds(), 42);
assert_eq!(clocktime.mseconds(), 42_123);
assert_eq!(clocktime.useconds(), 42_123_456);
assert_eq!(clocktime.nseconds(), 42_123_456_789);
// Some
let clocktime = Some(ClockTime::from_nseconds(42_123_456_789));
let clocktime_ser = ron::ser::to_string(&clocktime).unwrap();
let clocktime: Option<ClockTime> = ron::de::from_str(clocktime_ser.as_str()).unwrap();
let clocktime = clocktime.unwrap();
assert_eq!(clocktime.seconds(), 42);
assert_eq!(clocktime.mseconds(), 42_123);
assert_eq!(clocktime.useconds(), 42_123_456);
assert_eq!(clocktime.nseconds(), 42_123_456_789);
// None
let clocktime = ClockTime::NONE;
let clocktime_ser = ron::ser::to_string(&clocktime).unwrap();
let clocktime: Option<ClockTime> = ron::de::from_str(clocktime_ser.as_str()).unwrap();
assert!(clocktime.is_none());
}
}