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Implement ser / de for Date Values, Structure fields and Tags

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This commit is contained in:
François Laignel 2019-08-19 15:32:40 +02:00
parent c74eef374a
commit ced522ed08
4 changed files with 355 additions and 101 deletions
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85
gstreamer/src/date_time_serde.rs
View file

@ -6,7 +6,13 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use serde::de::{Deserialize, Deserializer};
use std::convert::{TryFrom, TryInto};
use glib::translate::{FromGlib, ToGlib};
use glib::value::{SetValue, SetValueOptional};
use glib::StaticType;
use serde::de::{Deserialize, Deserializer, Error};
use serde::ser;
use serde::ser::{Serialize, Serializer};
use DateTime;
@ -20,6 +26,47 @@ enum DateTimeVariants {
YMDhmsTz(i32, i32, i32, i32, i32, f64, f32),
}
// Note: ser / de for `glib::Date` should be implemented in the `glib` crate
// However, there is no `ser_de` feature in `glib` right now. The limitation is that
// `Date` fields can only be ser / de when they are used in `Value`s (which implies
// `Array`s, `List`s, `Structure` fields and `Tag`s)
pub(crate) struct Date(glib::Date);
impl From<glib::Date> for Date {
fn from(glib_date: glib::Date) -> Self {
Date(glib_date)
}
}
impl SetValue for Date {
unsafe fn set_value(value: &mut glib::Value, this: &Self) {
glib::value::SetValue::set_value(value, &this.0);
}
}
impl SetValueOptional for Date {
unsafe fn set_value_optional(value: &mut glib::Value, this: Option<&Self>) {
glib::value::SetValueOptional::set_value_optional(value, this.map(|this| &this.0));
}
}
impl StaticType for Date {
fn static_type() -> glib::Type {
glib::Date::static_type()
}
}
impl<'a> Serialize for Date {
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
DateTimeVariants::YMD(
self.0.get_year() as i32,
self.0.get_month().to_glib() as i32,
self.0.get_day() as i32,
)
.serialize(serializer)
}
}
impl<'a> Serialize for DateTime {
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
let variant = if self.has_second() {
@ -58,6 +105,35 @@ impl<'a> Serialize for DateTime {
}
}
impl TryFrom<DateTimeVariants> for Date {
type Error = &'static str;
fn try_from(dt_variant: DateTimeVariants) -> Result<Self, Self::Error> {
match dt_variant {
DateTimeVariants::YMD(y, m, d) => {
let month = glib::DateMonth::from_glib(m);
if let glib::DateMonth::__Unknown(_) = month {
return Err("Out of range `month` for `Date`");
}
Ok(Date(glib::Date::new_dmy(
d.try_into().map_err(|_| "Out of range `day` for `Date`")?,
month,
y.try_into().map_err(|_| "Out of range `year` for `Date`")?,
)))
}
_ => Err("Incompatible variant for `Date` (expecting \"YMD\")"),
}
}
}
impl<'de> Deserialize<'de> for Date {
fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
DateTimeVariants::deserialize(deserializer)
.and_then(|dt_variant| dt_variant.try_into().map_err(|err| D::Error::custom(err)))
}
}
#[allow(clippy::many_single_char_names)]
impl From<DateTimeVariants> for DateTime {
fn from(dt_variant: DateTimeVariants) -> Self {
@ -104,7 +180,7 @@ mod tests {
let res = serde_json::to_string(&datetime).unwrap();
assert_eq!(
"{\"YMDhmsTz\":[2018,5,28,16,6,42.123456,2.0]}".to_owned(),
r#"{"YMDhmsTz":[2018,5,28,16,6,42.123456,2.0]}"#.to_owned(),
res
);
@ -129,6 +205,9 @@ mod tests {
fn test_deserialize() {
::init().unwrap();
// FIXME: compare `DateTime`s instances
// See https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/issues/217
let datetime_ron = "YMDhmsTz(2018, 5, 28, 16, 6, 42.123456, 2)";
let datetime_de: DateTime = ron::de::from_str(datetime_ron).unwrap();
assert_eq!(datetime_de.get_time_zone_offset(), 2f32);
@ -140,7 +219,7 @@ mod tests {
assert_eq!(datetime_de.get_second(), 42);
assert_eq!(datetime_de.get_microsecond(), 123_456);
let datetime_json = "{\"YMDhmsTz\":[2018,5,28,16,6,42.123456,2.0]}";
let datetime_json = r#"{"YMDhmsTz":[2018,5,28,16,6,42.123456,2.0]}"#;
let datetime_de: DateTime = serde_json::from_str(datetime_json).unwrap();
assert_eq!(datetime_de.get_time_zone_offset(), 2f32);
assert_eq!(datetime_de.get_year(), 2018);

45
gstreamer/src/structure_serde.rs
View file

@ -7,7 +7,7 @@
// except according to those terms.
use glib;
use glib::ToValue;
use glib::{Date, ToValue};
use serde::de;
use serde::de::{Deserialize, DeserializeSeed, Deserializer, SeqAccess, Visitor};
@ -20,6 +20,7 @@ use Buffer;
use DateTime;
use Sample;
use date_time_serde;
use value::*;
use value_serde::*;
@ -166,7 +167,10 @@ impl<'de> Deserialize<'de> for Structure {
mod tests {
extern crate ron;
use glib::{Date, DateMonth};
use Array;
use DateTime;
use Fraction;
use Structure;
@ -179,6 +183,11 @@ mod tests {
.field("f2", &String::from("bcd"))
.field("f3", &123i32)
.field("fraction", &Fraction::new(1, 2))
.field("date", &Date::new_dmy(19, DateMonth::August, 2019))
.field(
"date_time",
&DateTime::new(2f32, 2019, 8, 19, 13, 34, 42f64),
)
.field("array", &Array::new(&[&1, &2]))
.build();
@ -188,16 +197,18 @@ mod tests {
let res = ron::ser::to_string_pretty(&s, pretty_config);
assert_eq!(
Ok(concat!(
"(\"test\", [",
" (\"f1\", \"String\", Some(\"abc\")),",
" (\"f2\", \"String\", Some(\"bcd\")),",
" (\"f3\", \"i32\", 123),",
" (\"fraction\", \"Fraction\", (1, 2)),",
" (\"array\", \"Array\", [",
" (\"i32\", 1),",
" (\"i32\", 2),",
" ]),",
"])"
r#"("test", ["#,
r#" ("f1", "String", Some("abc")),"#,
r#" ("f2", "String", Some("bcd")),"#,
r#" ("f3", "i32", 123),"#,
r#" ("fraction", "Fraction", (1, 2)),"#,
r#" ("date", "Date", Some(YMD(2019, 8, 19))),"#,
r#" ("date_time", "DateTime", Some(YMDhmsTz(2019, 8, 19, 13, 34, 42, 2))),"#,
r#" ("array", "Array", ["#,
r#" ("i32", 1),"#,
r#" ("i32", 2),"#,
r#" ]),"#,
r#"])"#,
)
.to_owned()),
res,
@ -214,6 +225,8 @@ mod tests {
("f2", "String", Some("bcd")),
("f3", "i32", 123),
("fraction", "Fraction", (1, 2)),
("date", "Date", Some(YMD(2019, 8, 19))),
("date_time", "DateTime", Some(YMDhmsTz(2019, 8, 19, 13, 34, 42, 2))),
("array", "Array", [
("i32", 1),
("i32", 2),
@ -228,6 +241,11 @@ mod tests {
("f1", &"abc"),
("f2", &"bcd"),
("f3", &123),
("date", &Date::new_dmy(19, DateMonth::August, 2019)),
(
"date_time",
&DateTime::new(2f32, 2019, 8, 19, 13, 34, 42f64)
),
("fraction", &Fraction::new(1, 2)),
("array", &Array::new(&[&1, &2])),
],
@ -245,6 +263,11 @@ mod tests {
.field("f2", &"bcd".to_owned())
.field("f3", &123i32)
.field("fraction", &Fraction::new(1, 2))
.field("date", &Date::new_dmy(19, DateMonth::August, 2019))
.field(
"date_time",
&DateTime::new(2f32, 2019, 8, 19, 13, 34, 42f64),
)
.field("array", &Array::new(&[&1, &2]))
.build();
let s_ser = ron::ser::to_string(&s).unwrap();

168
gstreamer/src/tags_serde.rs
View file

@ -8,7 +8,7 @@
use glib;
use glib::translate::{from_glib, ToGlibPtr};
use glib::{SendValue, ToValue};
use glib::{Date, SendValue, ToValue};
use gst_sys;
use serde::de;
@ -20,8 +20,9 @@ use std::cell::RefCell;
use std::fmt;
use std::rc::Rc;
use tags::*;
use value_serde::{DATE_TIME_OTHER_TYPE_ID, SAMPLE_OTHER_TYPE_ID};
use date_time_serde;
use tags::{GenericTagIter, TagList, TagListRef};
use value_serde::{DATE_OTHER_TYPE_ID, DATE_TIME_OTHER_TYPE_ID, SAMPLE_OTHER_TYPE_ID};
use DateTime;
use Sample;
use TagMergeMode;
@ -46,8 +47,6 @@ macro_rules! ser_opt_tag (
// to be Non-null and non-empty in the C API. See:
// https://gitlab.freedesktop.org/gstreamer/gstreamer/blob/d90d771a9a512381315f7694c3a50b152035f3cb/gst/gststructure.c#L810-853
// FIXME: implement serde for type `Date`
// serialize trait is only available for `&self`, but we need to mutate the iterator
struct TagValuesSer<'a>(Rc<RefCell<GenericTagIter<'a>>>);
impl<'a> TagValuesSer<'a> {
@ -68,13 +67,22 @@ impl<'a> Serialize for TagValuesSer<'a> {
glib::Type::String => {
// See above comment about `Tag`s with `String` values
ser_opt_value!(value, String, |_, value: Option<String>| {
seq.serialize_element(&value.expect("string tag ser"))
seq.serialize_element(&value.expect("String tag ser"))
})
}
glib::Type::U32 => ser_some_tag!(value, seq, u32),
glib::Type::U64 => ser_some_tag!(value, seq, u64),
glib::Type::Other(type_id) => {
if *DATE_TIME_OTHER_TYPE_ID == type_id {
if *DATE_OTHER_TYPE_ID == type_id {
// See above comment about `Tag`s with `Date` values
ser_opt_value!(value, Date, |_, value: Option<Date>| {
// Need to wrap the `glib::Date` in new type `date_time_serde::Date` first
// See comment in `date_time_serde.rs`
seq.serialize_element(&date_time_serde::Date::from(
value.expect("Date tag ser"),
))
})
} else if *DATE_TIME_OTHER_TYPE_ID == type_id {
ser_opt_tag!(value, seq, DateTime)
} else if *SAMPLE_OTHER_TYPE_ID == type_id {
ser_opt_tag!(value, seq, Sample)
@ -183,7 +191,12 @@ impl<'de, 'a> Visitor<'de> for TagValuesVisitor<'a> {
glib::Type::U32 => de_some_tag!(self.0, seq, u32),
glib::Type::U64 => de_some_tag!(self.0, seq, u64),
glib::Type::Other(type_id) => {
if *DATE_TIME_OTHER_TYPE_ID == type_id {
if *DATE_OTHER_TYPE_ID == type_id {
// See comment above `TagValuesSer` definition about `Tag`s with `Date` values
// Need to deserialize as `date_time_serde::Date` new type
// See comment in `date_time_serde.rs`
de_send_value!("Tag", self.0, seq, date_time_serde::Date, Date)
} else if *DATE_TIME_OTHER_TYPE_ID == type_id {
de_opt_tag!(self.0, seq, DateTime)
} else if *SAMPLE_OTHER_TYPE_ID == type_id {
de_opt_tag!(self.0, seq, Sample)
@ -328,6 +341,10 @@ mod tests {
tags.add::<Duration>(&(::SECOND * 120).into(), TagMergeMode::Append); // u64
tags.add::<Bitrate>(&96_000, TagMergeMode::Append); // u32
tags.add::<TrackGain>(&1f64, TagMergeMode::Append); // f64
tags.add::<Date>(
&glib::Date::new_dmy(28, glib::DateMonth::May, 2018),
TagMergeMode::Append,
);
tags.add::<DateTime>(&::DateTime::new_ymd(2018, 5, 28), TagMergeMode::Append);
let sample = {
@ -348,60 +365,63 @@ mod tests {
let res = ron::ser::to_string_pretty(&tags, pretty_config);
assert_eq!(
Ok(concat!(
"(",
" scope: Stream,",
" tags: [",
" (\"title\", [",
" \"a title\",",
" \"another title\",",
" ]),",
" (\"duration\", [",
" 120000000000,",
" ]),",
" (\"bitrate\", [",
" 96000,",
" ]),",
" (\"replaygain-track-gain\", [",
" 1,",
" ]),",
" (\"datetime\", [",
" Some(YMD(2018, 5, 28)),",
" ]),",
" (\"image\", [",
" Some((",
" buffer: Some((",
" pts: None,",
" dts: None,",
" duration: None,",
" offset: 0,",
" offset_end: 0,",
" flags: (",
" bits: 0,",
" ),",
" buffer: \"AQIDBA==\",",
" )),",
" buffer_list: None,",
" caps: None,",
" segment: Some((",
" flags: (",
" bits: 0,",
" ),",
" rate: 1,",
" applied_rate: 1,",
" format: Time,",
" base: 0,",
" offset: 0,",
" start: 0,",
" stop: -1,",
" time: 0,",
" position: 0,",
" duration: -1,",
" )),",
" info: None,",
" )),",
" ]),",
" ],",
")",
r#"("#,
r#" scope: Stream,"#,
r#" tags: ["#,
r#" ("title", ["#,
r#" "a title","#,
r#" "another title","#,
r#" ]),"#,
r#" ("duration", ["#,
r#" 120000000000,"#,
r#" ]),"#,
r#" ("bitrate", ["#,
r#" 96000,"#,
r#" ]),"#,
r#" ("replaygain-track-gain", ["#,
r#" 1,"#,
r#" ]),"#,
r#" ("date", ["#,
r#" YMD(2018, 5, 28),"#,
r#" ]),"#,
r#" ("datetime", ["#,
r#" Some(YMD(2018, 5, 28)),"#,
r#" ]),"#,
r#" ("image", ["#,
r#" Some(("#,
r#" buffer: Some(("#,
r#" pts: None,"#,
r#" dts: None,"#,
r#" duration: None,"#,
r#" offset: 0,"#,
r#" offset_end: 0,"#,
r#" flags: ("#,
r#" bits: 0,"#,
r#" ),"#,
r#" buffer: "AQIDBA==","#,
r#" )),"#,
r#" buffer_list: None,"#,
r#" caps: None,"#,
r#" segment: Some(("#,
r#" flags: ("#,
r#" bits: 0,"#,
r#" ),"#,
r#" rate: 1,"#,
r#" applied_rate: 1,"#,
r#" format: Time,"#,
r#" base: 0,"#,
r#" offset: 0,"#,
r#" start: 0,"#,
r#" stop: -1,"#,
r#" time: 0,"#,
r#" position: 0,"#,
r#" duration: -1,"#,
r#" )),"#,
r#" info: None,"#,
r#" )),"#,
r#" ]),"#,
r#" ],"#,
r#")"#,
)
.to_owned()),
res,
@ -425,6 +445,9 @@ mod tests {
("duration", [120000000000]),
("bitrate", [96000]),
("replaygain-track-gain", [1]),
("date", [
YMD(2018, 5, 28),
]),
("datetime", [
Some(YMD(2018, 5, 28)),
]),
@ -464,6 +487,12 @@ mod tests {
);
assert_eq!(tags.get_index::<Bitrate>(0).unwrap().get_some(), 96_000);
assert_eq!(tags.get_index::<TrackGain>(0).unwrap().get_some(), 1f64);
assert_eq!(
tags.get_index::<Date>(0).unwrap().get().unwrap(),
glib::Date::new_dmy(28, glib::DateMonth::May, 2018)
);
// FIXME: compare `DateTime` instances
// See https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/issues/217
let datetime = tags.get_index::<DateTime>(0).unwrap().get().unwrap();
assert_eq!(datetime.get_year(), 2018);
assert_eq!(datetime.get_month(), 5);
@ -483,6 +512,7 @@ mod tests {
["duration", [120000000000]],
["bitrate", [96000]],
["replaygain-track-gain", [1.0]],
["date",[{"YMD":[2018,5,28]}]],
["datetime",[{"YMD":[2018,5,28]}]],
["image",[{"buffer":{"pts":null,"dts":null,"duration":null,"offset":0,"offset_end":0,"flags":{"bits":0},"buffer":[1,2,3,4]},"buffer_list":null,"caps":null,"segment":null,"info":null}]]
]
@ -498,6 +528,12 @@ mod tests {
);
assert_eq!(tags.get_index::<Bitrate>(0).unwrap().get_some(), 96_000);
assert_eq!(tags.get_index::<TrackGain>(0).unwrap().get_some(), 1f64);
assert_eq!(
tags.get_index::<Date>(0).unwrap().get().unwrap(),
glib::Date::new_dmy(28, glib::DateMonth::May, 2018)
);
// FIXME: compare `DateTime` instances
// See https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/issues/217
let datetime = tags.get_index::<DateTime>(0).unwrap().get().unwrap();
assert_eq!(datetime.get_year(), 2018);
assert_eq!(datetime.get_month(), 5);
@ -524,6 +560,10 @@ mod tests {
tags.add::<Duration>(&(::SECOND * 120).into(), TagMergeMode::Append); // u64
tags.add::<Bitrate>(&96_000, TagMergeMode::Append); // u32
tags.add::<TrackGain>(&1f64, TagMergeMode::Append); // f64
tags.add::<Date>(
&glib::Date::new_dmy(28, glib::DateMonth::May, 2018),
TagMergeMode::Append,
);
tags.add::<DateTime>(&::DateTime::new_ymd(2018, 5, 28), TagMergeMode::Append);
let sample = {
@ -562,6 +602,10 @@ mod tests {
tags_de.get_index::<TrackGain>(0).unwrap().get_some(),
tags.get_index::<TrackGain>(0).unwrap().get_some(),
);
assert_eq!(
tags_de.get_index::<Date>(0).unwrap().get(),
tags.get_index::<Date>(0).unwrap().get(),
);
let datetime = tags.get_index::<DateTime>(0).unwrap().get().unwrap();
assert_eq!(datetime.get_year(), 2018);
assert_eq!(datetime.get_month(), 5);

158
gstreamer/src/value_serde.rs
View file

@ -7,7 +7,7 @@
// except according to those terms.
use glib;
use glib::{StaticType, ToValue};
use glib::{Date, StaticType, ToValue};
use num_rational::Rational32;
@ -22,6 +22,7 @@ use Buffer;
use DateTime;
use Sample;
use date_time_serde;
use value::*;
fn get_other_type_id<T: StaticType>() -> usize {
@ -31,11 +32,10 @@ fn get_other_type_id<T: StaticType>() -> usize {
}
}
// FIXME: implement serde for type `Date`
lazy_static! {
pub(crate) static ref ARRAY_OTHER_TYPE_ID: usize = get_other_type_id::<Array>();
pub(crate) static ref BITMASK_OTHER_TYPE_ID: usize = get_other_type_id::<Bitmask>();
pub(crate) static ref DATE_OTHER_TYPE_ID: usize = get_other_type_id::<Date>();
pub(crate) static ref DATE_TIME_OTHER_TYPE_ID: usize = get_other_type_id::<DateTime>();
pub(crate) static ref FRACTION_OTHER_TYPE_ID: usize = get_other_type_id::<Fraction>();
pub(crate) static ref FRACTION_RANGE_OTHER_TYPE_ID: usize =
@ -94,6 +94,12 @@ macro_rules! ser_value (
ser_some_value!($value, Array, $ser_closure)
} else if *BITMASK_OTHER_TYPE_ID == type_id {
ser_some_value!($value, Bitmask, $ser_closure)
} else if *DATE_OTHER_TYPE_ID == type_id {
ser_opt_value!($value, Date, |type_, value: Option<Date>| {
// Need to wrap the `glib::Date` in new type `date_time_serde::Date` first
// See comment in `date_time_serde.rs`
$ser_closure(type_, value.map(date_time_serde::Date::from))
})
} else if *DATE_TIME_OTHER_TYPE_ID == type_id {
ser_opt_value!($value, DateTime, $ser_closure)
} else if *FRACTION_OTHER_TYPE_ID == type_id {
@ -221,6 +227,17 @@ macro_rules! de_send_value(
"String" => de_opt_send_value!($type_name, $seq, String),
"Array" => de_some_send_value!($type_name, $seq, Array),
"Bitmask" => de_some_send_value!($type_name, $seq, Bitmask),
"Date" => {
// Need to deserialize as `date_time_serde::Date` new type
// See comment in `date_time_serde.rs`
de_send_value!(
"Value",
$type_name,
$seq,
Option<date_time_serde::Date>,
Date
)
}
"DateTime" => de_opt_send_value!($type_name, $seq, DateTime),
"Fraction" => de_some_send_value!($type_name, $seq, Fraction),
"FractionRange" => de_some_send_value!($type_name, $seq, FractionRange),
@ -287,11 +304,14 @@ mod tests {
use Array;
use Bitmask;
use DateTime;
use Fraction;
use FractionRange;
use IntRange;
use List;
use glib::{Date, DateMonth};
#[test]
fn test_serialize_simple() {
::init().unwrap();
@ -315,7 +335,7 @@ mod tests {
assert_eq!(Ok("( min: (1, 3), max: (1, 2),)".to_owned()), res);
let res = serde_json::to_string(&fraction_range).unwrap();
assert_eq!("{\"min\":[1,3],\"max\":[1,2]}".to_owned(), res);
assert_eq!(r#"{"min":[1,3],"max":[1,2]}"#.to_owned(), res);
// IntRange
let int_range = IntRange::<i32>::new_with_step(0, 42, 21);
@ -323,7 +343,7 @@ mod tests {
assert_eq!(Ok("( min: 0, max: 42, step: 21,)".to_owned()), res,);
let res = serde_json::to_string(&int_range).unwrap();
assert_eq!("{\"min\":0,\"max\":42,\"step\":21}".to_owned(), res);
assert_eq!(r#"{"min":0,"max":42,"step":21}"#.to_owned(), res);
// Bitmask
let bitmask = Bitmask::new(1024 + 128 + 32);
@ -361,22 +381,33 @@ mod tests {
let value_str_none = str_none.to_value();
let send_value_str_none = value_str_none.try_into_send_value::<String>().unwrap();
let value_date = Date::new_dmy(19, DateMonth::August, 2019).to_value();
let send_value_date = value_date.try_into_send_value::<Date>().unwrap();
let date_none: Option<Date> = None;
let value_date_none = date_none.to_value();
let send_value_date_none = value_date_none.try_into_send_value::<Date>().unwrap();
let array = Array::new(&[
&send_value_13,
&send_value_12,
&send_value_str,
&send_value_str_none,
&send_value_date,
&send_value_date_none,
]);
let res = ron::ser::to_string_pretty(&array, pretty_config.clone());
assert_eq!(
Ok(concat!(
"[",
" (\"Fraction\", (1, 3)),",
" (\"Fraction\", (1, 2)),",
" (\"String\", Some(\"test str\")),",
" (\"String\", None),",
"]"
r#"["#,
r#" ("Fraction", (1, 3)),"#,
r#" ("Fraction", (1, 2)),"#,
r#" ("String", Some("test str")),"#,
r#" ("String", None),"#,
r#" ("Date", Some(YMD(2019, 8, 19))),"#,
r#" ("Date", None),"#,
r#"]"#
)
.to_owned()),
res,
@ -384,7 +415,7 @@ mod tests {
let res = serde_json::to_string(&array).unwrap();
assert_eq!(
"[[\"Fraction\",[1,3]],[\"Fraction\",[1,2]],[\"String\",\"test str\"],[\"String\",null]]"
r#"[["Fraction",[1,3]],["Fraction",[1,2]],["String","test str"],["String",null],["Date",{"YMD":[2019,8,19]}],["Date",null]]"#
.to_owned(),
res
);
@ -400,16 +431,33 @@ mod tests {
let value_str_none = str_none.to_value();
let send_value_str_none = value_str_none.try_into_send_value::<String>().unwrap();
let list = List::new(&[&send_value_12, &send_value_str, &send_value_str_none]);
let value_date_time = DateTime::new(2f32, 2019, 8, 19, 13, 34, 42f64).to_value();
let send_value_date_time = value_date_time.try_into_send_value::<DateTime>().unwrap();
let date_time_none: Option<DateTime> = None;
let value_date_time_none = date_time_none.to_value();
let send_value_date_time_none = value_date_time_none
.try_into_send_value::<DateTime>()
.unwrap();
let list = List::new(&[
&send_value_12,
&send_value_str,
&send_value_str_none,
&send_value_date_time,
&send_value_date_time_none,
]);
let res = ron::ser::to_string_pretty(&list, pretty_config.clone());
assert_eq!(
Ok(concat!(
"[",
" (\"Fraction\", (1, 2)),",
" (\"String\", Some(\"test str\")),",
" (\"String\", None),",
"]"
r#"["#,
r#" ("Fraction", (1, 2)),"#,
r#" ("String", Some("test str")),"#,
r#" ("String", None),"#,
r#" ("DateTime", Some(YMDhmsTz(2019, 8, 19, 13, 34, 42, 2))),"#,
r#" ("DateTime", None),"#,
r#"]"#
)
.to_owned()),
res,
@ -437,7 +485,7 @@ mod tests {
assert_eq!(fraction_range.min().0.denom(), &3);
assert_eq!(fraction_range.max().0.denom(), &2);
let fraction_range_json = "{\"min\":[1,3],\"max\":[1,2]}";
let fraction_range_json = r#"{"min":[1,3],"max":[1,2]}"#;
let fraction_range: FractionRange = serde_json::from_str(fraction_range_json).unwrap();
assert_eq!(fraction_range.min().0.denom(), &3);
assert_eq!(fraction_range.max().0.denom(), &2);
@ -449,7 +497,7 @@ mod tests {
assert_eq!(int_range.max(), 42);
assert_eq!(int_range.step(), 21);
let int_range_json = "{\"min\":0,\"max\":42,\"step\":21}";
let int_range_json = r#"{"min":0,"max":42,"step":21}"#;
let int_range: IntRange<i32> = serde_json::from_str(int_range_json).unwrap();
assert_eq!(int_range.min(), 0);
assert_eq!(int_range.max(), 42);
@ -517,10 +565,12 @@ mod tests {
("Fraction", (1, 2)),
("String", Some("test str")),
("String", None),
("Date", Some(YMD(2019, 8, 19))),
("Date", None),
]"#;
let array: Array = ron::de::from_str(array_ron).unwrap();
let slice = array.as_slice();
assert_eq!(4, slice.len());
assert_eq!(6, slice.len());
let fraction = slice[0].get::<Fraction>().expect("slice[0]").unwrap();
assert_eq!(fraction.0.numer(), &1);
@ -537,11 +587,18 @@ mod tests {
assert!(slice[3].get::<String>().expect("slice[3]").is_none());
assert_eq!(
Date::new_dmy(19, DateMonth::August, 2019),
slice[4].get::<Date>().expect("slice[4]").unwrap()
);
assert!(slice[5].get::<Date>().expect("slice[5]").is_none());
let array_json =
r#"[["Fraction",[1,3]],["Fraction",[1,2]],["String","test str"],["String",null]]"#;
r#"[["Fraction",[1,3]],["Fraction",[1,2]],["String","test str"],["String",null],["Date",{"YMD":[2019,8,19]}],["Date",null]]"#;
let array: Array = serde_json::from_str(array_json).unwrap();
let slice = array.as_slice();
assert_eq!(4, slice.len());
assert_eq!(6, slice.len());
let fraction = slice[0].get::<Fraction>().expect("slice[0]").unwrap();
assert_eq!(fraction.0.numer(), &1);
@ -558,15 +615,24 @@ mod tests {
assert!(slice[3].get::<String>().expect("slice[3]").is_none());
assert_eq!(
Date::new_dmy(19, DateMonth::August, 2019),
slice[4].get::<Date>().expect("slice[4]").unwrap()
);
assert!(slice[5].get::<Date>().expect("slice[5]").is_none());
// List
let list_ron = r#"[
("Fraction", (1, 2)),
("String", Some("test str")),
("String", None),
("DateTime", Some(YMDhmsTz(2019, 8, 19, 13, 34, 42, 2))),
("DateTime", None),
]"#;
let list: List = ron::de::from_str(list_ron).unwrap();
let slice = list.as_slice();
assert_eq!(3, slice.len());
assert_eq!(5, slice.len());
let fraction = slice[0].get::<Fraction>().expect("slice[0]").unwrap();
assert_eq!(fraction.0.numer(), &1);
@ -578,6 +644,12 @@ mod tests {
);
assert!(slice[2].get::<String>().expect("slice[2]").is_none());
// FIXME: compare `DateTime` instances
// See https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/issues/217
assert!(slice[3].get::<DateTime>().expect("slice[3]").is_some());
assert!(slice[4].get::<DateTime>().expect("slice[4]").is_none());
}
#[test]
@ -596,11 +668,18 @@ mod tests {
let str_none: Option<&str> = None;
let value_str_none = str_none.to_value();
let send_value_str_none = value_str_none.try_into_send_value::<String>().unwrap();
let value_date = Date::new_dmy(19, DateMonth::August, 2019).to_value();
let send_value_date = value_date.try_into_send_value::<Date>().unwrap();
let date_none: Option<Date> = None;
let value_date_none = date_none.to_value();
let send_value_date_none = value_date_none.try_into_send_value::<Date>().unwrap();
let array = Array::new(&[
&send_value_13,
&send_value_12,
&send_value_str,
&send_value_str_none,
&send_value_date,
&send_value_date_none,
]);
let array_ser = ron::ser::to_string(&array).unwrap();
@ -626,6 +705,13 @@ mod tests {
assert!(slice[3].get::<String>().expect("slice[3]").is_none());
assert_eq!(
slice_de[4].get::<Date>().expect("slice_de[4]").unwrap(),
slice[4].get::<Date>().expect("slice[4]").unwrap()
);
assert!(slice[5].get::<Date>().expect("slice[5]").is_none());
// List
let value_12 = Fraction::new(1, 2).to_value();
let send_value_12 = value_12.try_into_send_value::<Fraction>().unwrap();
@ -634,7 +720,20 @@ mod tests {
let str_none: Option<&str> = None;
let value_str_none = str_none.to_value();
let send_value_str_none = value_str_none.try_into_send_value::<String>().unwrap();
let list = List::new(&[&send_value_12, &send_value_str, &send_value_str_none]);
let value_date_time = DateTime::new(2f32, 2019, 8, 19, 13, 34, 42f64).to_value();
let send_value_date_time = value_date_time.try_into_send_value::<DateTime>().unwrap();
let date_time_none: Option<DateTime> = None;
let value_date_time_none = date_time_none.to_value();
let send_value_date_time_none = value_date_time_none
.try_into_send_value::<DateTime>()
.unwrap();
let list = List::new(&[
&send_value_12,
&send_value_str,
&send_value_str_none,
&send_value_date_time,
&send_value_date_time_none,
]);
let list_ser = ron::ser::to_string(&list).unwrap();
let list_de: List = ron::de::from_str(list_ser.as_str()).unwrap();
@ -653,5 +752,14 @@ mod tests {
);
assert!(slice[2].get::<String>().expect("slice[2]").is_none());
// FIXME: compare `DateTime` instances
// See https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/issues/217
assert!(slice_de[3]
.get::<DateTime>()
.expect("slice_de[3]")
.is_some());
assert!(slice[4].get::<DateTime>().expect("slice[4]").is_none());
}
}