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vyazelenko merged 2 commits into from
Feb 18, 2026
Merged

[Rust] generated encoders now produce fluent interface #1097

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e1261a9
[Rust] generated encoders now produce fluent interface
Feb 15, 2026
8918715
Merge branch 'master' into rust/encoder-fluent-interface
vyazelenko Feb 18, 2026
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83 changes: 41 additions & 42 deletions rust/tests/baseline_test.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -181,24 +181,26 @@ fn encode_car_from_scratch() -> SbeResult<(usize, Vec<u8>)> {
);
car = car.header(0).parent()?;

car.serial_number(1234);
car.model_year(2013);
car.available(BooleanType::T);
car.code(Model::A);
car.some_numbers(&[1, 2, 3, 4]);
car.vehicle_code(&[97, 98, 99, 100, 101, 102]); // abcdef

extras.set_cruise_control(true);
extras.set_sports_pack(true);
extras.set_sun_roof(false);
car.serial_number(1234)
.model_year(2013)
.available(BooleanType::T)
.code(Model::A)
.some_numbers(&[1, 2, 3, 4])
.vehicle_code(&[97, 98, 99, 100, 101, 102]); // abcdef

extras
.set_cruise_control(true)
.set_sports_pack(true)
.set_sun_roof(false);
car.extras(extras);

let mut engine = car.engine_encoder();
engine.capacity(2000);
engine.num_cylinders(4);
engine.manufacturer_code(&[49, 50, 51]); // 123
engine.efficiency(35);
engine.booster_enabled(BooleanType::T);
engine
.capacity(2000)
.num_cylinders(4)
.manufacturer_code(&[49, 50, 51]) // 123
.efficiency(35)
.booster_enabled(BooleanType::T);
let mut booster = engine.booster_encoder();
booster.boost_type(BoostType::NITROUS);
booster.horse_power(200);
Expand All @@ -207,19 +209,22 @@ fn encode_car_from_scratch() -> SbeResult<(usize, Vec<u8>)> {
car = engine.parent()?;
fuel_figures = car.fuel_figures_encoder(3, fuel_figures);
assert_eq!(Some(0), fuel_figures.advance()?);
fuel_figures.speed(30);
fuel_figures.mpg(35.9);
fuel_figures.usage_description(b"Urban Cycle");
fuel_figures
.speed(30)
.mpg(35.9)
.usage_description(b"Urban Cycle");

assert_eq!(Some(1), fuel_figures.advance()?);
fuel_figures.speed(55);
fuel_figures.mpg(49.0);
fuel_figures.usage_description(b"Combined Cycle");
fuel_figures
.speed(55)
.mpg(49.0)
.usage_description(b"Combined Cycle");

assert_eq!(Some(2), fuel_figures.advance()?);
fuel_figures.speed(75);
fuel_figures.mpg(40.0);
fuel_figures.usage_description(b"Highway Cycle");
fuel_figures
.speed(75)
.mpg(40.0)
.usage_description(b"Highway Cycle");

car = fuel_figures.parent()?;
performance_figures = car.performance_figures_encoder(2, performance_figures);
Expand All @@ -228,48 +233,42 @@ fn encode_car_from_scratch() -> SbeResult<(usize, Vec<u8>)> {

acceleration = performance_figures.acceleration_encoder(3, acceleration);
assert_eq!(Some(0), acceleration.advance()?);
acceleration.mph(30);
acceleration.seconds(4.0);
acceleration.mph(30).seconds(4.0);

assert_eq!(Some(1), acceleration.advance()?);
acceleration.mph(60);
acceleration.seconds(7.5);
acceleration.mph(60).seconds(7.5);

assert_eq!(Some(2), acceleration.advance()?);
acceleration.mph(100);
acceleration.seconds(12.2);
acceleration.mph(100).seconds(12.2);

performance_figures = acceleration.parent()?;
assert_eq!(Some(1), performance_figures.advance()?);
performance_figures.octane_rating(99);

acceleration = performance_figures.acceleration_encoder(3, acceleration);
assert_eq!(Some(0), acceleration.advance()?);
acceleration.mph(30);
acceleration.seconds(3.8);
acceleration.mph(30).seconds(3.8);

assert_eq!(Some(1), acceleration.advance()?);
acceleration.mph(60);
acceleration.seconds(7.1);
acceleration.mph(60).seconds(7.1);

assert_eq!(Some(2), acceleration.advance()?);
acceleration.mph(100);
acceleration.seconds(11.8);
acceleration.mph(100).seconds(11.8);

performance_figures = acceleration.parent()?;
car = performance_figures.parent()?;

car.manufacturer("Honda");
car.model("Civic VTi");
car.activation_code(b"abcdef");
car.manufacturer("Honda")
.model("Civic VTi")
.activation_code(b"abcdef");

let limit = car.get_limit();
Ok((limit, buffer))
}

#[test]
fn test_issue_1018() {
assert_eq!(1, examples_baseline::SBE_SCHEMA_ID);
assert_eq!(0, examples_baseline::SBE_SCHEMA_VERSION);
assert_eq!("5.2", examples_baseline::SBE_SEMANTIC_VERSION);
assert_eq!(1, SBE_SCHEMA_ID);
assert_eq!(0, SBE_SCHEMA_VERSION);
assert_eq!("5.2", SBE_SEMANTIC_VERSION);
}
72 changes: 35 additions & 37 deletions rust/tests/big_endian_test.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -175,45 +175,49 @@ fn encode_car_from_scratch() -> SbeResult<(usize, Vec<u8>)> {
);
car = car.header(0).parent()?;

car.serial_number(1234);
car.model_year(2013);
car.available(BooleanType::T);
car.code(Model::A);
car.some_numbers(&[0, 1, 2, 3, 4]);
car.vehicle_code(b"abcdef");
car.serial_number(1234)
.model_year(2013)
.available(BooleanType::T)
.code(Model::A)
.some_numbers(&[0, 1, 2, 3, 4])
.vehicle_code(b"abcdef");

extras.set_cruise_control(true);
extras.set_sports_pack(true);
extras.set_sun_roof(false);
car.extras(extras);

let mut engine = car.engine_encoder();
engine.capacity(2000);
engine.num_cylinders(4);
engine.manufacturer_code(b"123");
engine.efficiency(35);
engine.booster_enabled(BooleanType::T);
engine
.capacity(2000)
.num_cylinders(4)
.manufacturer_code(b"123")
.efficiency(35)
.booster_enabled(BooleanType::T);

let mut booster = engine.booster_encoder();
booster.boost_type(BoostType::NITROUS);
booster.horse_power(200);
booster.boost_type(BoostType::NITROUS).horse_power(200);

engine = booster.parent()?;
car = engine.parent()?;
fuel_figures = car.fuel_figures_encoder(3, fuel_figures);
assert_eq!(Some(0), fuel_figures.advance()?);
fuel_figures.speed(30);
fuel_figures.mpg(35.9);
fuel_figures.usage_description("Urban Cycle");
fuel_figures
.speed(30)
.mpg(35.9)
.usage_description("Urban Cycle");

assert_eq!(Some(1), fuel_figures.advance()?);
fuel_figures.speed(55);
fuel_figures.mpg(49.0);
fuel_figures.usage_description("Combined Cycle");
fuel_figures
.speed(55)
.mpg(49.0)
.usage_description("Combined Cycle");

assert_eq!(Some(2), fuel_figures.advance()?);
fuel_figures.speed(75);
fuel_figures.mpg(40.0);
fuel_figures.usage_description("Highway Cycle");
fuel_figures
.speed(75)
.mpg(40.0)
.usage_description("Highway Cycle");

car = fuel_figures.parent()?;
performance_figures = car.performance_figures_encoder(2, performance_figures);
Expand All @@ -222,40 +226,34 @@ fn encode_car_from_scratch() -> SbeResult<(usize, Vec<u8>)> {

acceleration = performance_figures.acceleration_encoder(3, acceleration);
assert_eq!(Some(0), acceleration.advance()?);
acceleration.mph(30);
acceleration.seconds(4.0);
acceleration.mph(30).seconds(4.0);

assert_eq!(Some(1), acceleration.advance()?);
acceleration.mph(60);
acceleration.seconds(7.5);
acceleration.mph(60).seconds(7.5);

assert_eq!(Some(2), acceleration.advance()?);
acceleration.mph(100);
acceleration.seconds(12.2);
acceleration.mph(100).seconds(12.2);

performance_figures = acceleration.parent()?;
assert_eq!(Some(1), performance_figures.advance()?);
performance_figures.octane_rating(99);

acceleration = performance_figures.acceleration_encoder(3, acceleration);
assert_eq!(Some(0), acceleration.advance()?);
acceleration.mph(30);
acceleration.seconds(3.8);
acceleration.mph(30).seconds(3.8);

assert_eq!(Some(1), acceleration.advance()?);
acceleration.mph(60);
acceleration.seconds(7.1);
acceleration.mph(60).seconds(7.1);

assert_eq!(Some(2), acceleration.advance()?);
acceleration.mph(100);
acceleration.seconds(11.8);
acceleration.mph(100).seconds(11.8);

performance_figures = acceleration.parent()?;
car = performance_figures.parent()?;

car.manufacturer("Honda");
car.model("Civic VTi");
car.activation_code("abcdef");
car.manufacturer("Honda")
.model("Civic VTi")
.activation_code("abcdef");

let limit = car.get_limit();
Ok((limit, buffer))
Expand Down
80 changes: 39 additions & 41 deletions rust/tests/extension_test.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -182,45 +182,49 @@ fn encode_car_from_scratch() -> SbeResult<(usize, Vec<u8>)> {
);
car = car.header(0).parent()?;

car.serial_number(1234);
car.model_year(2013);
car.available(BooleanType::T);
car.code(Model::A);
car.some_numbers(&[0, 1, 2, 3]);
car.vehicle_code_from_iter(b"abcdef_extra_is_ignored".into_iter().copied()); // abcdef

extras.set_cruise_control(true);
extras.set_sports_pack(true);
extras.set_sun_roof(false);
car.serial_number(1234)
.model_year(2013)
.available(BooleanType::T)
.code(Model::A)
.some_numbers(&[0, 1, 2, 3])
.vehicle_code_from_iter(b"abcdef_extra_is_ignored".into_iter().copied()); // abcdef

extras
.set_cruise_control(true)
.set_sports_pack(true)
.set_sun_roof(false);
car.extras(extras);

let mut engine = car.engine_encoder();
engine.capacity(2000);
engine.num_cylinders(4);
engine.manufacturer_code(b"123");
engine.efficiency(35);
engine.booster_enabled(BooleanType::T);
engine
.capacity(2000)
.num_cylinders(4)
.manufacturer_code(b"123")
.efficiency(35)
.booster_enabled(BooleanType::T);
let mut booster = engine.booster_encoder();
booster.boost_type(BoostType::NITROUS);
booster.horse_power(200);
booster.boost_type(BoostType::NITROUS).horse_power(200);

engine = booster.parent()?;
car = engine.parent()?;
fuel_figures = car.fuel_figures_encoder(3, fuel_figures);
assert_eq!(Some(0), fuel_figures.advance()?);
fuel_figures.speed(30);
fuel_figures.mpg(35.9);
fuel_figures.usage_description(b"Urban Cycle");
fuel_figures
.speed(30)
.mpg(35.9)
.usage_description(b"Urban Cycle");

assert_eq!(Some(1), fuel_figures.advance()?);
fuel_figures.speed(55);
fuel_figures.mpg(49.0);
fuel_figures.usage_description(b"Combined Cycle");
fuel_figures
.speed(55)
.mpg(49.0)
.usage_description(b"Combined Cycle");

assert_eq!(Some(2), fuel_figures.advance()?);
fuel_figures.speed(75);
fuel_figures.mpg(40.0);
fuel_figures.usage_description(b"Highway Cycle");
fuel_figures
.speed(75)
.mpg(40.0)
.usage_description(b"Highway Cycle");

car = fuel_figures.parent()?;
performance_figures = car.performance_figures_encoder(2, performance_figures);
Expand All @@ -229,40 +233,34 @@ fn encode_car_from_scratch() -> SbeResult<(usize, Vec<u8>)> {

acceleration = performance_figures.acceleration_encoder(3, acceleration);
assert_eq!(Some(0), acceleration.advance()?);
acceleration.mph(30);
acceleration.seconds(4.0);
acceleration.mph(30).seconds(4.0);

assert_eq!(Some(1), acceleration.advance()?);
acceleration.mph(60);
acceleration.seconds(7.5);
acceleration.mph(60).seconds(7.5);

assert_eq!(Some(2), acceleration.advance()?);
acceleration.mph(100);
acceleration.seconds(12.2);
acceleration.mph(100).seconds(12.2);

performance_figures = acceleration.parent()?;
assert_eq!(Some(1), performance_figures.advance()?);
performance_figures.octane_rating(99);

acceleration = performance_figures.acceleration_encoder(3, acceleration);
assert_eq!(Some(0), acceleration.advance()?);
acceleration.mph(30);
acceleration.seconds(3.8);
acceleration.mph(30).seconds(3.8);

assert_eq!(Some(1), acceleration.advance()?);
acceleration.mph(60);
acceleration.seconds(7.1);
acceleration.mph(60).seconds(7.1);

assert_eq!(Some(2), acceleration.advance()?);
acceleration.mph(100);
acceleration.seconds(11.8);
acceleration.mph(100).seconds(11.8);

performance_figures = acceleration.parent()?;
car = performance_figures.parent()?;

car.manufacturer("Honda");
car.model("Civic VTi");
car.activation_code(b"abcdef");
car.manufacturer("Honda")
.model("Civic VTi")
.activation_code(b"abcdef");

let limit = car.get_limit();
Ok((limit, buffer))
Expand Down
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