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use std::error::Error;
use serde::{Deserialize, Serialize};
use serde_test::Configure;
use time::macros::{date, datetime, time};
use time::{Date, Duration, Month, OffsetDateTime, PrimitiveDateTime, Time, Weekday};
enum Format {
Compact,
Readable,
}
use Format::*;
fn serialize<T: Serialize>(val: T) -> Result<String, Box<dyn Error>> {
let mut buf: Vec<u8> = Vec::new();
let mut ser = serde_json::Serializer::new(&mut buf);
val.serialize(&mut ser)?;
let str = String::from_utf8(buf)?;
Ok(str)
}
fn deserialize<'a, T: Deserialize<'a>>(from: &'a str, fmt: Format) -> serde_json::Result<T> {
let mut de = serde_json::Deserializer::from_str(from);
match fmt {
Compact => T::deserialize((&mut de).compact()),
Readable => T::deserialize((&mut de).readable()),
}
}
#[test]
fn weekday_json() -> Result<(), Box<dyn Error>> {
use Weekday::*;
assert_eq!(serialize(Monday.compact())?, "1");
assert_eq!(deserialize::<Weekday>("1", Compact)?, Monday);
assert_eq!(serialize(Monday.readable())?, "\"Monday\"");
assert_eq!(deserialize::<Weekday>("\"Monday\"", Readable)?, Monday);
assert_eq!(deserialize::<Weekday>("1", Readable)?, Monday);
Ok(())
}
#[test]
fn month_json() -> Result<(), Box<dyn Error>> {
use Month::*;
assert_eq!(serialize(March.compact())?, "3");
assert_eq!(deserialize::<Month>("3", Compact)?, March);
assert_eq!(serialize(March.readable())?, "\"March\"");
assert_eq!(deserialize::<Month>("\"March\"", Readable)?, March);
assert_eq!(deserialize::<Month>("3", Readable)?, March);
Ok(())
}
#[test]
fn time_json() -> Result<(), Box<dyn Error>> {
let time = time!(12:40:20);
assert_eq!(serialize(time.compact())?, "[12,40,20,0]");
assert_eq!(deserialize::<Time>("[12,40,20,0]", Compact)?, time);
assert_eq!(serialize(time.readable())?, "\"12:40:20.0\"");
assert_eq!(deserialize::<Time>("\"12:40:20.0\"", Readable)?, time);
assert_eq!(deserialize::<Time>("[12,40,20,0]", Readable)?, time);
Ok(())
}
#[test]
fn primitive_datetime_json() -> Result<(), Box<dyn Error>> {
let dt = datetime!(2022-05-20 12:40:20);
assert_eq!(serialize(dt.compact())?, "[2022,140,12,40,20,0]");
assert_eq!(
deserialize::<PrimitiveDateTime>("[2022,140,12,40,20,0]", Compact)?,
dt
);
assert_eq!(serialize(dt.readable())?, "\"2022-05-20 12:40:20.0\"");
assert_eq!(
deserialize::<PrimitiveDateTime>("\"2022-05-20 12:40:20.0\"", Readable)?,
dt
);
assert_eq!(
deserialize::<PrimitiveDateTime>("[2022,140,12,40,20,0]", Readable)?,
dt
);
Ok(())
}
#[test]
fn offset_datetime_json() -> Result<(), Box<dyn Error>> {
let dt = datetime!(2022-05-20 12:40:20).assume_utc();
assert_eq!(serialize(dt.compact())?, "[2022,140,12,40,20,0,0,0,0]");
assert_eq!(
deserialize::<OffsetDateTime>("[2022,140,12,40,20,0,0,0,0]", Compact)?,
dt
);
assert_eq!(
serialize(dt.readable())?,
"\"2022-05-20 12:40:20.0 +00:00:00\""
);
assert_eq!(
deserialize::<OffsetDateTime>("\"2022-05-20 12:40:20.0 +00:00:00\"", Readable)?,
dt
);
assert_eq!(
deserialize::<OffsetDateTime>("[2022,140,12,40,20,0,0,0,0]", Readable)?,
dt
);
Ok(())
}
#[test]
fn duration_json() -> Result<(), Box<dyn Error>> {
let dur = Duration::new(50, 0);
assert_eq!(serialize(dur.compact())?, "[50,0]");
assert_eq!(deserialize::<Duration>("[50,0]", Compact)?, dur);
assert_eq!(serialize(dur.readable())?, "\"50.000000000\"");
assert_eq!(deserialize::<Duration>("\"50.000000000\"", Readable)?, dur);
assert_eq!(deserialize::<Duration>("[50,0]", Readable)?, dur);
Ok(())
}
#[test]
fn date_json() -> Result<(), Box<dyn Error>> {
let date = date!(2022-04-05);
assert_eq!(serialize(date.compact())?, "[2022,95]");
assert_eq!(deserialize::<Date>("[2022,95]", Compact)?, date);
assert_eq!(serialize(date.readable())?, "\"2022-04-05\"");
assert_eq!(deserialize::<Date>("\"2022-04-05\"", Readable)?, date);
assert_eq!(deserialize::<Date>("[2022,95]", Readable)?, date);
Ok(())
}
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