capability_grower_configuration_comparison/
compare_complexity.rs

1// ---------------- [ File: capability-grower-configuration-comparison/src/compare_complexity.rs ]
2crate::ix!();
3
4pub trait CompareComplexity {
5    fn compare_complexity(&self, other: &GrowerTreeConfiguration) -> CompareOutcome;
6}
7
8impl CompareComplexity for GrowerTreeConfiguration {
9    fn compare_complexity(&self, other: &GrowerTreeConfiguration) -> CompareOutcome {
10        if self.complexity() == other.complexity() {
11            CompareOutcome::Exact
12        } else {
13            // example: partial if they differ
14            CompareOutcome::Partial(0.5)
15        }
16    }
17}
18
19#[cfg(test)]
20mod compare_complexity_tests {
21    use super::*;
22
23    #[traced_test]
24    fn exact() {
25        let a = GrowerTreeConfiguration::base_config(5,2,2)
26            .to_builder().complexity(ConfigurationComplexity::Balanced).build().unwrap();
27        let b = a.clone();
28        assert_eq!(a.compare_complexity(&b), CompareOutcome::Exact);
29    }
30
31    #[traced_test]
32    fn partial_example() {
33        let a = GrowerTreeConfiguration::base_config(5,2,2)
34            .to_builder().complexity(ConfigurationComplexity::Balanced).build().unwrap();
35        let b = a.to_builder().complexity(ConfigurationComplexity::Simple).build().unwrap();
36        match a.compare_complexity(&b) {
37            CompareOutcome::Partial(0.5) => {},
38            other => panic!("Expected partial(0.5), got {:?}", other),
39        }
40    }
41
42    #[traced_test]
43    fn one_more_variant_example() {
44        let a = GrowerTreeConfiguration::base_config(5,2,2)
45            .to_builder().complexity(ConfigurationComplexity::Simple).build().unwrap();
46        let b = a.to_builder().complexity(ConfigurationComplexity::Complex).build().unwrap();
47        // we said "just partial(0.5)" in the logic above, but you might want Incompatible.
48        match a.compare_complexity(&b) {
49            CompareOutcome::Partial(_) => {},
50            other => panic!("expected partial, got {:?}", other),
51        }
52    }
53}
capability_grower_configuration_comparison/compare_complexity.rs

capability_grower_configuration_comparison/
compare_complexity.rs
