70 lines
1.9 KiB
Rust
70 lines
1.9 KiB
Rust
use time::{format_description::FormatItem, macros::format_description, Date};
|
|
|
|
use crate::{InputValueError, InputValueResult, Scalar, ScalarType, Value};
|
|
|
|
const DATE_FORMAT: &[FormatItem<'_>] = format_description!("[year]-[month]-[day]");
|
|
|
|
/// ISO 8601 calendar date without timezone.
|
|
/// Format: %Y-%m-%d
|
|
///
|
|
/// # Examples
|
|
///
|
|
/// * `1994-11-13`
|
|
/// * `2000-02-24`
|
|
#[Scalar(internal, name = "Date")]
|
|
impl ScalarType for Date {
|
|
fn parse(value: Value) -> InputValueResult<Self> {
|
|
match &value {
|
|
Value::String(s) => Ok(Self::parse(s, &DATE_FORMAT)?),
|
|
_ => Err(InputValueError::expected_type(value)),
|
|
}
|
|
}
|
|
|
|
fn to_value(&self) -> Value {
|
|
Value::String(
|
|
self.format(&DATE_FORMAT)
|
|
.unwrap_or_else(|e| panic!("Failed to format `Date`: {}", e)),
|
|
)
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use time::{macros::date, Date};
|
|
|
|
use crate::{ScalarType, Value};
|
|
|
|
#[test]
|
|
fn test_date_to_value() {
|
|
let cases = [
|
|
(date!(1994 - 11 - 13), "1994-11-13"),
|
|
(date!(2000 - 01 - 24), "2000-01-24"),
|
|
];
|
|
for (value, expected) in cases {
|
|
let value = value.to_value();
|
|
|
|
if let Value::String(s) = value {
|
|
assert_eq!(s, expected);
|
|
} else {
|
|
panic!(
|
|
"Unexpected Value type when formatting PrimitiveDateTime: {:?}",
|
|
value
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_date_parse() {
|
|
let cases = [
|
|
("1994-11-13", date!(1994 - 11 - 13)),
|
|
("2000-01-24", date!(2000 - 01 - 24)),
|
|
];
|
|
for (value, expected) in cases {
|
|
let value = Value::String(value.to_string());
|
|
let parsed = <Date as ScalarType>::parse(value).unwrap();
|
|
assert_eq!(parsed, expected);
|
|
}
|
|
}
|
|
}
|