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|
#[rustfmt::skip] // Tries to remove the leading `::`, which breaks compilation.
use ::serde::{Deserialize, Serialize};
use serde_test::{
assert_de_tokens, assert_de_tokens_error, assert_ser_tokens_error, assert_tokens, Configure,
Token,
};
use time::format_description::well_known::{iso8601, Iso8601};
use time::format_description::BorrowedFormatItem;
use time::macros::{date, datetime, offset, time};
use time::{serde, Date, OffsetDateTime, PrimitiveDateTime, Time, UtcOffset};
// Not used in the tests, but ensures that the macro compiles.
#[expect(dead_code)]
const ISO_FORMAT: Iso8601<{ iso8601::Config::DEFAULT.encode() }> =
Iso8601::<{ iso8601::Config::DEFAULT.encode() }>;
time::serde::format_description!(my_format, OffsetDateTime, ISO_FORMAT);
time::serde::format_description!(
my_format2,
OffsetDateTime,
Iso8601::<{ iso8601::Config::DEFAULT.encode() }>
);
mod nested {
time::serde::format_description!(
pub(super) offset_dt_format,
OffsetDateTime,
"custom format: [year]-[month]-[day] [hour]:[minute]:[second] [offset_hour \
sign:mandatory]:[offset_minute]"
);
time::serde::format_description!(
pub primitive_dt_format,
PrimitiveDateTime,
"custom format: [year]-[month]-[day] [hour]:[minute]:[second]"
);
time::serde::format_description!(
pub(in crate::serde::macros) time_format,
Time,
"custom format: [minute]:[second]"
);
}
serde::format_description!(date_format, Date, "custom format: [year]-[month]-[day]");
serde::format_description!(
offset_format,
UtcOffset,
"custom format: [offset_hour sign:mandatory]:[offset_minute]"
);
const TIME_FORMAT_ALT: &[BorrowedFormatItem<'_>] =
time::macros::format_description!("[hour]:[minute]");
serde::format_description!(time_format_alt, Time, TIME_FORMAT_ALT);
serde::format_description!(
time_format_alt2,
Time,
time::macros::format_description!("[hour]:[minute]")
);
#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
struct TestCustomFormat {
#[serde(with = "nested::offset_dt_format")]
offset_dt: OffsetDateTime,
#[serde(with = "nested::primitive_dt_format::option")]
primitive_dt: Option<PrimitiveDateTime>,
#[serde(with = "date_format")]
date: Date,
#[serde(with = "nested::time_format::option")]
time: Option<Time>,
#[serde(with = "offset_format")]
offset: UtcOffset,
#[serde(with = "time_format_alt")]
time_alt: Time,
}
#[test]
fn custom_serialize() {
let value = TestCustomFormat {
offset_dt: datetime!(2000-01-01 00:00 -4:00),
primitive_dt: Some(datetime!(2000-01-01 00:00)),
date: date!(2000-01-01),
time: None,
offset: offset!(-4),
time_alt: time!(12:34),
};
assert_tokens(
&value.compact(),
&[
Token::Struct {
name: "TestCustomFormat",
len: 6,
},
Token::Str("offset_dt"),
Token::BorrowedStr("custom format: 2000-01-01 00:00:00 -04:00"),
Token::Str("primitive_dt"),
Token::Some,
Token::BorrowedStr("custom format: 2000-01-01 00:00:00"),
Token::Str("date"),
Token::BorrowedStr("custom format: 2000-01-01"),
Token::Str("time"),
Token::None,
Token::Str("offset"),
Token::BorrowedStr("custom format: -04:00"),
Token::Str("time_alt"),
Token::BorrowedStr("12:34"),
Token::StructEnd,
],
);
}
#[test]
fn custom_serialize_error() {
// Deserialization error due to parse problem.
assert_de_tokens_error::<TestCustomFormat>(
&[
Token::Struct {
name: "TestCustomFormat",
len: 5,
},
Token::Str("offset_dt"),
Token::BorrowedStr("custom format: 2000-01-01 0:00:00 -04:00"),
],
"the 'hour' component could not be parsed",
);
// Parse problem in optional field.
assert_de_tokens_error::<TestCustomFormat>(
&[
Token::Struct {
name: "TestCustomFormat",
len: 5,
},
Token::Str("offset_dt"),
Token::BorrowedStr("custom format: 2000-01-01 00:00:00 -04:00"),
Token::Str("primitive_dt"),
Token::Some,
Token::BorrowedStr("custom format: 2000-01-01 0:00:00 -04:00"),
],
"the 'hour' component could not be parsed",
);
// Type error
assert_de_tokens_error::<TestCustomFormat>(
&[
Token::Struct {
name: "TestCustomFormat",
len: 5,
},
Token::Str("offset_dt"),
Token::Bool(false),
],
"invalid type: boolean `false`, expected a(n) `OffsetDateTime` in the format \"custom \
format: [year]-[month]-[day] [hour]:[minute]:[second] [offset_hour \
sign:mandatory]:[offset_minute]\"",
);
assert_de_tokens_error::<TestCustomFormat>(
&[
Token::Struct {
name: "TestCustomFormat",
len: 5,
},
Token::Str("offset_dt"),
Token::BorrowedStr("custom format: 2000-01-01 00:00:00 -04:00"),
Token::Str("primitive_dt"),
Token::Bool(false),
],
"invalid type: boolean `false`, expected an `Option<PrimitiveDateTime>` in the format \
\"custom format: [year]-[month]-[day] [hour]:[minute]:[second]\"",
);
}
// This format string has offset_hour and offset_minute, but is for formatting PrimitiveDateTime.
serde::format_description!(
primitive_date_time_format_bad,
PrimitiveDateTime,
"[offset_hour]:[offset_minute]"
);
#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
struct TestCustomFormatPrimitiveDateTimeBad {
#[serde(with = "primitive_date_time_format_bad")]
dt: PrimitiveDateTime,
}
#[test]
fn custom_serialize_bad_type_error() {
let value = TestCustomFormatPrimitiveDateTimeBad {
dt: datetime!(2000-01-01 00:00),
};
assert_ser_tokens_error::<TestCustomFormatPrimitiveDateTimeBad>(
&value,
&[
Token::Struct {
name: "TestCustomFormatPrimitiveDateTimeBad",
len: 1,
},
Token::Str("dt"),
],
"The type being formatted does not contain sufficient information to format a component.",
);
}
// Test the behavior of versioning.
serde::format_description!(version = 1, version_test_1, Time, "[[ [hour]:[minute]");
serde::format_description!(version = 1, version_test_2, Time, r"\\ [hour]:[minute]");
serde::format_description!(version = 2, version_test_3, Time, r"\\ [hour]:[minute]");
serde::format_description!(version, Time, "[hour]:[minute]");
#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
struct TestVersioning {
#[serde(with = "version_test_1")]
time_1: Time,
#[serde(with = "version_test_2")]
time_2: Time,
#[serde(with = "version_test_3")]
time_3: Time,
#[serde(with = "version")]
time_4: Time,
}
#[test]
fn versioning() {
let value = TestVersioning {
time_1: Time::MIDNIGHT,
time_2: Time::MIDNIGHT,
time_3: Time::MIDNIGHT,
time_4: Time::MIDNIGHT,
};
assert_tokens(
&value,
&[
Token::Struct {
name: "TestVersioning",
len: 4,
},
Token::Str("time_1"),
Token::Str("[ 00:00"),
Token::Str("time_2"),
Token::Str(r"\\ 00:00"),
Token::Str("time_3"),
Token::Str(r"\ 00:00"),
Token::Str("time_4"),
Token::Str("00:00"),
Token::StructEnd,
],
);
}
serde::format_description!(
version = 1,
nested_v1,
Time,
"[hour]:[minute][optional [:[second]]]"
);
serde::format_description!(
version = 2,
nested_v2,
Time,
"[hour]:[minute][optional [:[second]]]"
);
#[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
struct TestNested {
#[serde(with = "nested_v1")]
time_1: Time,
#[serde(with = "nested_v2")]
time_2: Time,
}
#[test]
fn nested() {
let value = TestNested {
time_1: time!(12:34:56),
time_2: time!(12:34:56),
};
assert_tokens(
&value,
&[
Token::Struct {
name: "TestNested",
len: 2,
},
Token::Str("time_1"),
Token::Str("12:34:56"),
Token::Str("time_2"),
Token::Str("12:34:56"),
Token::StructEnd,
],
);
let expected = TestNested {
time_1: time!(12:34),
time_2: time!(12:34),
};
assert_de_tokens(
&expected,
&[
Token::Struct {
name: "TestNested",
len: 2,
},
Token::Str("time_1"),
Token::Str("12:34"),
Token::Str("time_2"),
Token::Str("12:34"),
Token::StructEnd,
],
);
}
|
