subtr_actor/ballchasing/
compare.rs1use std::path::Path;
2
3use anyhow::Context;
4use serde::Serialize;
5use serde_json::Value;
6
7use super::comparison::{
8 build_actual_comparable_stats, build_expected_comparable_stats, compute_comparable_stats,
9 MatchConfig, StatMatcher,
10};
11use super::report::BallchasingComparisonReport;
12use crate::*;
13
14#[derive(Debug, Clone, Serialize)]
15pub struct BallchasingComparableStats {
16 pub actual: Value,
17 pub expected: Value,
18}
19
20#[derive(Debug, Clone, Serialize)]
21pub struct BallchasingComparisonBreakdown {
22 pub is_match: bool,
23 pub mismatches: Vec<String>,
24 pub comparable_stats: BallchasingComparableStats,
25}
26
27pub fn parse_replay_bytes(data: &[u8]) -> anyhow::Result<boxcars::Replay> {
28 boxcars::ParserBuilder::new(data)
29 .always_check_crc()
30 .must_parse_network_data()
31 .parse()
32 .context("Failed to parse replay")
33}
34
35pub fn parse_replay_file(path: impl AsRef<Path>) -> anyhow::Result<boxcars::Replay> {
36 let path = path.as_ref();
37 let data = std::fs::read(path)
38 .with_context(|| format!("Failed to read replay file: {}", path.display()))?;
39 parse_replay_bytes(&data).with_context(|| format!("Failed to parse replay: {}", path.display()))
40}
41
42pub fn compare_replay_against_ballchasing(
43 replay: &boxcars::Replay,
44 ballchasing: &Value,
45 config: &MatchConfig,
46) -> SubtrActorResult<BallchasingComparisonReport> {
47 let computed = compute_comparable_stats(replay)?;
48 let actual = build_actual_comparable_stats(&computed);
49 let expected = build_expected_comparable_stats(ballchasing);
50
51 let mut matcher = StatMatcher::default();
52 expected.compare(&actual, &mut matcher, config);
53 Ok(BallchasingComparisonReport {
54 mismatches: matcher.into_mismatches(),
55 })
56}
57
58pub fn compare_replay_against_ballchasing_with_breakdown(
59 replay: &boxcars::Replay,
60 ballchasing: &Value,
61 config: &MatchConfig,
62) -> SubtrActorResult<BallchasingComparisonBreakdown> {
63 let computed = compute_comparable_stats(replay)?;
64 let actual = build_actual_comparable_stats(&computed);
65 let expected = build_expected_comparable_stats(ballchasing);
66
67 let mut matcher = StatMatcher::default();
68 expected.compare(&actual, &mut matcher, config);
69 let mismatches = matcher.into_mismatches();
70
71 Ok(BallchasingComparisonBreakdown {
72 is_match: mismatches.is_empty(),
73 mismatches,
74 comparable_stats: BallchasingComparableStats {
75 actual: serde_json::to_value(&actual).expect("comparable stats should serialize"),
76 expected: serde_json::to_value(&expected).expect("comparable stats should serialize"),
77 },
78 })
79}
80
81pub fn compare_replay_against_ballchasing_json_with_breakdown(
82 replay_path: impl AsRef<Path>,
83 json_path: impl AsRef<Path>,
84 config: &MatchConfig,
85) -> anyhow::Result<BallchasingComparisonBreakdown> {
86 let replay_path = replay_path.as_ref();
87 let json_path = json_path.as_ref();
88 let replay = parse_replay_file(replay_path)?;
89 let json_file = std::fs::File::open(json_path)
90 .with_context(|| format!("Failed to open ballchasing json: {}", json_path.display()))?;
91 let ballchasing: Value = serde_json::from_reader(json_file)
92 .with_context(|| format!("Failed to parse ballchasing json: {}", json_path.display()))?;
93
94 compare_replay_against_ballchasing_with_breakdown(&replay, &ballchasing, config)
95 .map_err(|error| anyhow::Error::new(error.variant))
96}
97
98pub fn compare_replay_against_ballchasing_json(
99 replay_path: impl AsRef<Path>,
100 json_path: impl AsRef<Path>,
101 config: &MatchConfig,
102) -> anyhow::Result<BallchasingComparisonReport> {
103 let replay_path = replay_path.as_ref();
104 let json_path = json_path.as_ref();
105 let replay = parse_replay_file(replay_path)?;
106 let json_file = std::fs::File::open(json_path)
107 .with_context(|| format!("Failed to open ballchasing json: {}", json_path.display()))?;
108 let ballchasing: Value = serde_json::from_reader(json_file)
109 .with_context(|| format!("Failed to parse ballchasing json: {}", json_path.display()))?;
110
111 compare_replay_against_ballchasing(&replay, &ballchasing, config)
112 .map_err(|error| anyhow::Error::new(error.variant))
113}
114
115pub fn compare_fixture_directory(
116 path: &Path,
117 config: &MatchConfig,
118) -> anyhow::Result<BallchasingComparisonReport> {
119 let (replay_path, json_path) = if path.is_dir() {
120 (path.join("replay.replay"), path.join("ballchasing.json"))
121 } else {
122 (
123 path.with_extension("replay"),
124 path.with_extension("ballchasing.json"),
125 )
126 };
127 compare_replay_against_ballchasing_json(&replay_path, &json_path, config)
128}