pmat 3.11.0

PMAT - Zero-config AI context generation and code quality toolkit (CLI, MCP, HTTP)
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

#[cfg_attr(coverage_nightly, coverage(off))]
#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_detect_cfg_not_coverage() {
        let content = r#"
            #[cfg(not(coverage))]
            fn hidden() {}
        "#;

        let mut violations = Vec::new();
        check_cfg_patterns(Path::new("test.rs"), content, &mut violations);

        assert_eq!(violations.len(), 1);
        assert_eq!(violations[0].pattern, GamingPattern::CfgNotCoverage);
        assert_eq!(violations[0].severity, Severity::Critical);
    }

    #[test]
    fn test_detect_cfg_not_tarpaulin() {
        let content = r#"
            #[cfg(not(tarpaulin))]
            mod hidden_tests {}
        "#;

        let mut violations = Vec::new();
        check_cfg_patterns(Path::new("test.rs"), content, &mut violations);

        assert_eq!(violations.len(), 1);
        assert_eq!(violations[0].pattern, GamingPattern::CfgNotTarpaulin);
    }

    #[test]
    fn test_detect_lcov_exclusion() {
        let content = r#"
            // LCOV_EXCL_START
            fn uncovered_code() {
                // This won't be measured
            }
            // LCOV_EXCL_STOP
        "#;

        let mut violations = Vec::new();
        check_exclusion_comments(Path::new("test.rs"), content, &mut violations);

        assert_eq!(violations.len(), 2); // START and STOP
        assert!(violations
            .iter()
            .all(|v| v.pattern == GamingPattern::CoverageExclusionComment));
    }

    #[test]
    fn test_no_false_positives_normal_code() {
        let content = r#"
            fn normal_function() {
                println!("Hello, world!");
            }

            #[cfg_attr(coverage_nightly, coverage(off))]
            #[cfg(test)]
            mod tests {
                #[test]
                fn it_works() {
                    assert!(true);
                }
            }
        "#;

        let mut violations = Vec::new();
        check_cfg_patterns(Path::new("test.rs"), content, &mut violations);
        check_exclusion_comments(Path::new("test.rs"), content, &mut violations);

        assert!(violations.is_empty());
    }

    #[test]
    fn test_meta_falsification() {
        // The meta-check should pass (detector should find the test pattern)
        let result = run_meta_falsification(Path::new(".")).unwrap();
        assert!(result, "Meta-falsification failed: detector is broken!");
    }

    #[test]
    fn test_gaming_result_critical_check() {
        let result = GamingDetectionResult {
            violations: vec![
                GamingViolation {
                    file: PathBuf::from("test.rs"),
                    line: 1,
                    pattern: GamingPattern::CfgNotCoverage,
                    severity: Severity::Critical,
                    explanation: "Test".to_string(),
                },
                GamingViolation {
                    file: PathBuf::from("test2.rs"),
                    line: 1,
                    pattern: GamingPattern::CoverageExclusionComment,
                    severity: Severity::Warning,
                    explanation: "Test".to_string(),
                },
            ],
            files_scanned: 2,
            patterns_checked: vec![],
        };

        assert!(result.has_critical_violations());
        assert_eq!(result.critical_violations().len(), 1);
        assert_eq!(result.count_by_severity(Severity::Critical), 1);
        assert_eq!(result.count_by_severity(Severity::Warning), 1);
    }

    #[test]
    fn test_is_source_file() {
        assert!(is_source_file(Path::new("main.rs")));
        assert!(is_source_file(Path::new("kernel.cu")));
        assert!(is_source_file(Path::new("lib.py")));
        assert!(!is_source_file(Path::new("readme.md")));
        assert!(!is_source_file(Path::new("config.toml")));
    }

    #[test]
    fn test_test_deletion_detection() {
        let mut baseline = HashSet::new();
        baseline.insert(PathBuf::from("tests/unit_test.rs"));
        baseline.insert(PathBuf::from("src/lib.rs"));

        // Simulate: tests/unit_test.rs doesn't exist (deleted)
        // Note: This test assumes the file doesn't exist in the actual filesystem
        let violations = detect_test_deletions(Path::new("/nonexistent"), &baseline);

        // Both files should be flagged as missing (since /nonexistent doesn't exist)
        // But only the test file should be a TestFileDeletion
        let test_deletions: Vec<_> = violations
            .iter()
            .filter(|v| v.pattern == GamingPattern::TestFileDeletion)
            .collect();
        assert_eq!(test_deletions.len(), 1);
    }
}