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/// Tracks the best scoring match for license similarity
#[derive(Debug, Clone, PartialEq)]
pub struct Score {
pub license_id: String,
pub score: f64,
}
impl Score {
/// Create a new Score with the given license ID and score
pub fn new(license_id: String, score: f64) -> Self {
Self { license_id, score }
}
/// Create a Score from string slice
pub fn from_str(license_id: &str, score: f64) -> Self {
Self::new(license_id.to_string(), score)
}
/// Get the license ID
pub fn license_id(&self) -> &str {
&self.license_id
}
/// Get the score
pub fn score(&self) -> f64 {
self.score
}
/// Check if this score is better (higher) than another
pub fn is_better_than(&self, other: &Score) -> bool {
self.score > other.score
}
/// Check if this score meets or exceeds a threshold
pub fn meets_threshold(&self, threshold: f64) -> bool {
self.score >= threshold
}
/// Update the score if the new score is better
pub fn update_if_better(&mut self, license_id: String, score: f64) -> bool {
if score > self.score {
self.license_id = license_id;
self.score = score;
true
} else {
false
}
}
/// Create a zero score (useful for initialization)
pub fn zero() -> Self {
Self::new("unknown".to_string(), 0.0)
}
/// Check if this is a zero score
pub fn is_zero(&self) -> bool {
self.score == 0.0
}
/// Check if this score indicates a perfect match
pub fn is_perfect(&self) -> bool {
(self.score - 100.0).abs() < f64::EPSILON
}
/// Get score as a percentage string
pub fn as_percentage(&self) -> String {
format!("{:.1}%", self.score)
}
}
impl Default for Score {
fn default() -> Self {
Self::zero()
}
}
impl std::fmt::Display for Score {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}: {:.1}%", self.license_id, self.score)
}
}
impl PartialOrd for Score {
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
self.score.partial_cmp(&other.score)
}
}
impl From<(String, f64)> for Score {
fn from((license_id, score): (String, f64)) -> Self {
Self::new(license_id, score)
}
}
impl From<(&str, f64)> for Score {
fn from((license_id, score): (&str, f64)) -> Self {
Self::from_str(license_id, score)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_score_creation() {
let score = Score::new("MIT".to_string(), 85.5);
assert_eq!(score.license_id(), "MIT");
assert_eq!(score.score(), 85.5);
}
#[test]
fn test_from_str() {
let score = Score::from_str("Apache-2.0", 90.0);
assert_eq!(score.license_id(), "Apache-2.0");
assert_eq!(score.score(), 90.0);
}
#[test]
fn test_is_better_than() {
let score1 = Score::new("MIT".to_string(), 85.0);
let score2 = Score::new("Apache-2.0".to_string(), 90.0);
let score3 = Score::new("BSD".to_string(), 80.0);
assert!(score2.is_better_than(&score1));
assert!(score1.is_better_than(&score3));
assert!(!score1.is_better_than(&score2));
}
#[test]
fn test_meets_threshold() {
let score = Score::new("MIT".to_string(), 85.0);
assert!(score.meets_threshold(80.0));
assert!(score.meets_threshold(85.0));
assert!(!score.meets_threshold(90.0));
}
#[test]
fn test_update_if_better() {
let mut score = Score::new("MIT".to_string(), 80.0);
// Better score should update
assert!(score.update_if_better("Apache-2.0".to_string(), 90.0));
assert_eq!(score.license_id(), "Apache-2.0");
assert_eq!(score.score(), 90.0);
// Worse score should not update
assert!(!score.update_if_better("BSD".to_string(), 85.0));
assert_eq!(score.license_id(), "Apache-2.0");
assert_eq!(score.score(), 90.0);
// Equal score should not update
assert!(!score.update_if_better("GPL".to_string(), 90.0));
assert_eq!(score.license_id(), "Apache-2.0");
assert_eq!(score.score(), 90.0);
}
#[test]
fn test_zero_score() {
let score = Score::zero();
assert_eq!(score.license_id(), "unknown");
assert_eq!(score.score(), 0.0);
assert!(score.is_zero());
assert!(!score.is_perfect());
}
#[test]
fn test_default() {
let score = Score::default();
assert_eq!(score.license_id(), "unknown");
assert_eq!(score.score(), 0.0);
assert!(score.is_zero());
}
#[test]
fn test_is_perfect() {
let perfect_score = Score::new("MIT".to_string(), 100.0);
let imperfect_score = Score::new("Apache-2.0".to_string(), 99.9);
assert!(perfect_score.is_perfect());
assert!(!imperfect_score.is_perfect());
}
#[test]
fn test_as_percentage() {
let score = Score::new("MIT".to_string(), 85.6789);
assert_eq!(score.as_percentage(), "85.7%");
}
#[test]
fn test_display() {
let score = Score::new("MIT".to_string(), 85.6);
assert_eq!(format!("{}", score), "MIT: 85.6%");
}
#[test]
fn test_partial_ord() {
let score1 = Score::new("MIT".to_string(), 80.0);
let score2 = Score::new("Apache-2.0".to_string(), 90.0);
let score3 = Score::new("BSD".to_string(), 80.0);
assert!(score2 > score1);
assert!(score1 < score2);
assert!(score1 == score3); // Note: PartialEq compares both fields, PartialOrd only score
}
#[test]
fn test_from_tuple() {
let score1 = Score::from(("MIT".to_string(), 85.0));
let score2 = Score::from(("Apache-2.0", 90.0));
assert_eq!(score1.license_id(), "MIT");
assert_eq!(score1.score(), 85.0);
assert_eq!(score2.license_id(), "Apache-2.0");
assert_eq!(score2.score(), 90.0);
}
#[test]
fn test_edge_cases() {
let zero_score = Score::new("Zero".to_string(), 0.0);
let negative_score = Score::new("Negative".to_string(), -10.0);
let over_hundred = Score::new("Over".to_string(), 150.0);
assert!(zero_score.is_zero());
assert!(!negative_score.is_zero());
assert!(!over_hundred.is_perfect());
assert!(over_hundred.is_better_than(&zero_score));
assert!(!negative_score.meets_threshold(0.0));
}
}
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