capability-grower-configuration-comparison 0.1.0

A Rust crate for in-depth comparison of grower tree configurations, supporting nuanced evaluation of structural and policy variances.
Documentation 
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// ---------------- [ File: capability-grower-configuration-comparison/src/compare_leaf_granularity.rs ]
crate::ix!();

pub trait CompareLeafGranularity {
    fn compare_leaf_granularity(&self, other: &GrowerTreeConfiguration) -> CompareOutcome;
}

impl CompareLeafGranularity for GrowerTreeConfiguration {
    fn compare_leaf_granularity(&self, other: &GrowerTreeConfiguration) -> CompareOutcome {
        let g1 = self.leaf_granularity();
        let g2 = other.leaf_granularity();
        let diff = (g1 - g2).abs();
        if diff < 0.01 {
            CompareOutcome::Exact
        } else if diff < 0.15 {
            let score = 1.0 - diff * 3.0;
            CompareOutcome::Partial(score.max(0.0))
        } else {
            CompareOutcome::Incompatible
        }
    }
}

#[cfg(test)]
mod compare_leaf_granularity_tests {
    use super::*;
    use traced_test::traced_test;

    #[traced_test]
    fn exact_match() {
        let a = GrowerTreeConfiguration::base_config(5,2,2)
            .to_builder().leaf_granularity(0.5).build().unwrap();
        let b = a.clone();
        assert_eq!(a.compare_leaf_granularity(&b), CompareOutcome::Exact);
    }

    #[traced_test]
    fn partial_match() {
        let a = GrowerTreeConfiguration::base_config(5,2,2)
            .to_builder().leaf_granularity(0.3).build().unwrap();
        let b = a.to_builder().leaf_granularity(0.45).build().unwrap();
        match a.compare_leaf_granularity(&b) {
            CompareOutcome::Partial(_) => {},
            other => panic!("Expected partial, got {:?}", other),
        }
    }

    #[traced_test]
    fn incompatible() {
        let a = GrowerTreeConfiguration::base_config(5,2,2)
            .to_builder().leaf_granularity(0.1).build().unwrap();
        let b = a.to_builder().leaf_granularity(0.8).build().unwrap();
        assert_eq!(a.compare_leaf_granularity(&b), CompareOutcome::Incompatible);
    }
}