tests/struct.rs


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mod common;
use common::DummyBackend;

use interactive_object_builder::*;

pub struct Configuration {
    verbose: bool,
    values: Vec<u8>,
}

impl BuildableCollection for Configuration {
    fn builder<B>(backend: B) -> Box<dyn CollectionBuilder<Output = Self>>
        where B: 'static + Backend
    {
        Box::new(ConfigStructBuilder(backend.clone()))
    }
}

pub struct ConfigStructBuilder<B: Backend>(B);
impl<B: 'static + Backend> CollectionBuilder for ConfigStructBuilder<B> {
    type Output = Configuration;

    fn build_collection(&self, value_desc: &str) -> Result<Self::Output> {
        println!("Building {}", value_desc);

        let verbose = bool::builder(self.0).build_value(value_desc)?;
        let values = Vec::<u8>::builder(self.0).build_collection(value_desc)?;

        Ok(Configuration {
            verbose,
            values,
        })
    }
}

#[test]
fn test_struct() {
    let c = Configuration::builder(DummyBackend).build_collection("config").unwrap();
    assert!(c.verbose);
    assert_eq!(c.values, [42, 42, 42]);
}