capability_grower_configuration_comparison/
compare_leaf_granularity.rs

1// ---------------- [ File: capability-grower-configuration-comparison/src/compare_leaf_granularity.rs ]
2crate::ix!();
3
4pub trait CompareLeafGranularity {
5    fn compare_leaf_granularity(&self, other: &GrowerTreeConfiguration) -> CompareOutcome;
6}
7
8impl CompareLeafGranularity for GrowerTreeConfiguration {
9    fn compare_leaf_granularity(&self, other: &GrowerTreeConfiguration) -> CompareOutcome {
10        let g1 = self.leaf_granularity();
11        let g2 = other.leaf_granularity();
12        let diff = (g1 - g2).abs();
13        if diff < 0.01 {
14            CompareOutcome::Exact
15        } else if diff < 0.15 {
16            let score = 1.0 - diff * 3.0;
17            CompareOutcome::Partial(score.max(0.0))
18        } else {
19            CompareOutcome::Incompatible
20        }
21    }
22}
23
24#[cfg(test)]
25mod compare_leaf_granularity_tests {
26    use super::*;
27    use traced_test::traced_test;
28
29    #[traced_test]
30    fn exact_match() {
31        let a = GrowerTreeConfiguration::base_config(5,2,2)
32            .to_builder().leaf_granularity(0.5).build().unwrap();
33        let b = a.clone();
34        assert_eq!(a.compare_leaf_granularity(&b), CompareOutcome::Exact);
35    }
36
37    #[traced_test]
38    fn partial_match() {
39        let a = GrowerTreeConfiguration::base_config(5,2,2)
40            .to_builder().leaf_granularity(0.3).build().unwrap();
41        let b = a.to_builder().leaf_granularity(0.45).build().unwrap();
42        match a.compare_leaf_granularity(&b) {
43            CompareOutcome::Partial(_) => {},
44            other => panic!("Expected partial, got {:?}", other),
45        }
46    }
47
48    #[traced_test]
49    fn incompatible() {
50        let a = GrowerTreeConfiguration::base_config(5,2,2)
51            .to_builder().leaf_granularity(0.1).build().unwrap();
52        let b = a.to_builder().leaf_granularity(0.8).build().unwrap();
53        assert_eq!(a.compare_leaf_granularity(&b), CompareOutcome::Incompatible);
54    }
55}
capability_grower_configuration_comparison/compare_leaf_granularity.rs

capability_grower_configuration_comparison/
compare_leaf_granularity.rs
