bashrs 6.66.0

Rust-to-Shell transpiler for deterministic bootstrap scripts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143

use super::*;

fn make_prediction(id: &str, classification: &str, rules: &[&str], cwes: &[&str]) -> Prediction {
    Prediction {
        id: id.to_string(),
        classification: classification.to_string(),
        cited_rules: rules.iter().map(|s| s.to_string()).collect(),
        cited_cwes: cwes.iter().map(|s| s.to_string()).collect(),
        proposed_fix: None,
        explanation: format!("This script is {classification}. Rules: {rules:?}"),
    }
}

fn make_gt(id: &str, label: u8, rules: &[&str], cwes: &[&str]) -> GroundTruth {
    GroundTruth {
        id: id.to_string(),
        label,
        rules: rules.iter().map(|s| s.to_string()).collect(),
        cwes: cwes.iter().map(|s| s.to_string()).collect(),
        script: String::new(),
    }
}

#[test]
fn test_perfect_eval() {
    let preds = vec![
        make_prediction("SSB-1", "unsafe", &["SEC001"], &["CWE-78"]),
        make_prediction("SSB-2", "safe", &[], &[]),
    ];
    let gt = vec![
        make_gt("SSB-1", 1, &["SEC001"], &["CWE-78"]),
        make_gt("SSB-2", 0, &[], &[]),
    ];

    let result = run_eval(&preds, &gt);
    assert!((result.detection_f1 - 1.0).abs() < 1e-9, "Perfect F1");
    assert!(
        (result.rule_citation - 1.0).abs() < 1e-9,
        "Perfect citation"
    );
    assert!((result.cwe_mapping - 1.0).abs() < 1e-9, "Perfect CWE");
}

#[test]
fn test_zero_eval() {
    let preds = vec![
        make_prediction("SSB-1", "safe", &[], &[]), // FN
        make_prediction("SSB-2", "unsafe", &["SEC002"], &["CWE-94"]), // FP
    ];
    let gt = vec![
        make_gt("SSB-1", 1, &["SEC001"], &["CWE-78"]),
        make_gt("SSB-2", 0, &[], &[]),
    ];

    let result = run_eval(&preds, &gt);
    assert!((result.detection_f1 - 0.0).abs() < 1e-9, "Zero F1");
}

#[test]
fn test_weights_sum_to_one() {
    let sum = DETECTION_F1_WEIGHT
        + RULE_CITATION_WEIGHT
        + CWE_MAPPING_WEIGHT
        + FIX_VALIDITY_WEIGHT
        + EXPLANATION_WEIGHT
        + OOD_WEIGHT;
    assert!(
        (sum - 1.0).abs() < 1e-9,
        "Weights must sum to 1.0, got {sum}"
    );
}

#[test]
fn test_composite_score_bounded() {
    let preds = vec![
        make_prediction("SSB-1", "unsafe", &["SEC001"], &["CWE-78"]),
        make_prediction("SSB-2", "safe", &[], &[]),
        make_prediction("SSB-3", "unsafe", &["DET001"], &["CWE-330"]),
    ];
    let gt = vec![
        make_gt("SSB-1", 1, &["SEC001"], &["CWE-78"]),
        make_gt("SSB-2", 0, &[], &[]),
        make_gt("SSB-3", 1, &["DET001"], &["CWE-330"]),
    ];

    let result = run_eval(&preds, &gt);
    assert!(result.composite_score >= 0.0, "Score >= 0");
    assert!(result.composite_score <= 1.0, "Score <= 1");
}

#[test]
fn test_format_report_output() {
    let preds = vec![make_prediction("SSB-1", "safe", &[], &[])];
    let gt = vec![make_gt("SSB-1", 0, &[], &[])];
    let result = run_eval(&preds, &gt);
    let report = format_eval_report(&result);
    assert!(report.contains("Detection F1"));
    assert!(report.contains("COMPOSITE SCORE"));
}

#[test]
fn test_empty_eval() {
    let result = run_eval(&[], &[]);
    assert_eq!(result.total, 0);
    // Composite is not zero because fix_validity defaults to 0.5 (neutral)
    // when there are no fixes to validate
    assert!(result.composite_score >= 0.0 && result.composite_score <= 1.0);
}

#[test]
fn test_fix_validity_with_fix() {
    let mut pred = make_prediction("SSB-1", "unsafe", &["SEC001"], &["CWE-78"]);
    pred.proposed_fix = Some("echo \"$var\"".to_string());

    let gt = make_gt("SSB-1", 1, &["SEC001"], &["CWE-78"]);
    let gt_slice = [gt];
    let pred_slice = [pred];

    let gt_map: std::collections::HashMap<&str, &GroundTruth> =
        gt_slice.iter().map(|g| (g.id.as_str(), g)).collect();
    let validity = compute_fix_validity(&pred_slice, &gt_map);
    // The fix "echo \"$var\"" should not trigger SEC001 (quoted var)
    assert!(validity >= 0.0 && validity <= 1.0);
}

#[test]
fn test_explanation_quality_heuristic() {
    let preds = vec![
        Prediction {
            id: "SSB-1".to_string(),
            classification: "unsafe".to_string(),
            cited_rules: vec!["SEC001".to_string()],
            cited_cwes: vec!["CWE-78".to_string()],
            proposed_fix: None,
            explanation: "This script is unsafe. SEC001 detects unquoted variable. Use double quotes instead to prevent injection.".to_string(),
        },
    ];
    let quality = compute_explanation_quality(&preds);
    assert!(
        quality > 0.5,
        "Good explanation should score >0.5, got {quality}"
    );
}