pmat 3.16.0

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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302

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

    #[test]
    fn test_complexity_config_debug_format() {
        let config = ComplexityConfig::from_args(
            PathBuf::from("/test"),
            Some("python".to_string()),
            Some(15),
            Some(20),
            vec!["*.py".to_string()],
            60,
            10,
        );

        let debug_str = format!("{:?}", config);
        assert!(debug_str.contains("ComplexityConfig"));
        assert!(debug_str.contains("python"));
        assert!(debug_str.contains("15"));
        assert!(debug_str.contains("20"));
    }

    #[test]
    fn test_complexity_config_with_multiple_include_patterns() {
        let config = ComplexityConfig::from_args(
            PathBuf::from("/project"),
            None,
            None,
            None,
            vec![
                "src/**/*.rs".to_string(),
                "lib/**/*.rs".to_string(),
                "crates/**/*.rs".to_string(),
            ],
            120,
            20,
        );

        assert_eq!(config.include.len(), 3);
        assert!(config.include.contains(&"src/**/*.rs".to_string()));
        assert!(config.include.contains(&"lib/**/*.rs".to_string()));
        assert!(config.include.contains(&"crates/**/*.rs".to_string()));
    }
}

// Extended Coverage Tests - Edge Cases

#[cfg_attr(coverage_nightly, coverage(off))]
#[cfg(test)]
mod edge_case_tests {
    use super::*;
    use crate::models::dead_code::{
        ConfidenceLevel, DeadCodeItem, DeadCodeResult, DeadCodeSummary, DeadCodeType,
        FileDeadCodeMetrics,
    };

    #[test]
    fn test_format_dead_code_as_summary_empty_result() {
        let result = DeadCodeResult {
            summary: DeadCodeSummary {
                total_files_analyzed: 0,
                files_with_dead_code: 0,
                total_dead_lines: 0,
                dead_percentage: 0.0,
                dead_functions: 0,
                dead_classes: 0,
                dead_modules: 0,
                unreachable_blocks: 0,
            },
            files: vec![],
            total_files: 0,
            analyzed_files: 0,
        };

        let summary = format_dead_code_as_summary(&result).expect("Should handle empty result");

        assert!(summary.contains("# Dead Code Analysis Summary"));
        assert!(summary.contains("**Files analyzed**: 0"));
        assert!(!summary.contains("## Top Files")); // Should not have this section
    }

    #[test]
    fn test_apply_complexity_filters_edge_cases() {
        // Test with exact threshold values
        let mut metrics = vec![create_test_file_metrics_simple("exact.rs", 20, 15)];

        // Threshold is exclusive (must exceed, not equal)
        let filtered = apply_complexity_filters(&mut metrics, Some(20), Some(15));
        assert_eq!(filtered, 1); // Should be filtered out since not exceeding
        assert!(metrics.is_empty());
    }

    #[test]
    fn test_apply_top_files_limit_larger_than_input() {
        let mut metrics = vec![
            create_test_file_metrics_simple("a.rs", 10, 10),
            create_test_file_metrics_simple("b.rs", 20, 20),
        ];

        apply_top_files_limit(&mut metrics, 100);

        // Should keep all files
        assert_eq!(metrics.len(), 2);
    }

    #[test]
    fn test_dead_code_sarif_with_empty_items() {
        let result = DeadCodeResult {
            summary: DeadCodeSummary {
                total_files_analyzed: 5,
                files_with_dead_code: 0,
                total_dead_lines: 0,
                dead_percentage: 0.0,
                dead_functions: 0,
                dead_classes: 0,
                dead_modules: 0,
                unreachable_blocks: 0,
            },
            files: vec![],
            total_files: 5,
            analyzed_files: 5,
        };

        let sarif = format_dead_code_as_sarif(&result).expect("Should handle empty files");
        let parsed: serde_json::Value = serde_json::from_str(&sarif).unwrap();

        let results = parsed["runs"][0]["results"].as_array().unwrap();
        assert!(results.is_empty());
    }

    #[test]
    fn test_dead_code_markdown_with_many_files() {
        // Test that file details section limits to 20 files
        let files: Vec<FileDeadCodeMetrics> = (0..30)
            .map(|i| FileDeadCodeMetrics {
                path: format!("src/file_{}.rs", i),
                dead_lines: 10,
                total_lines: 100,
                dead_percentage: 10.0,
                dead_functions: 1,
                dead_classes: 0,
                dead_modules: 0,
                unreachable_blocks: 0,
                dead_score: 10.0,
                confidence: ConfidenceLevel::Medium,
                items: vec![],
            })
            .collect();

        let section = format_dead_code_file_details_section(&files);

        // Should only contain first 20 files
        assert!(section.contains("file_0.rs"));
        assert!(section.contains("file_19.rs"));
        assert!(!section.contains("file_20.rs")); // Should not appear
    }

    #[test]
    fn test_has_complexity_violations_empty_metrics() {
        let metrics: Vec<crate::services::complexity::FileComplexityMetrics> = vec![];

        let has_violations = has_complexity_violations(&metrics, Some(10), Some(10));
        assert!(!has_violations);
    }

    fn create_test_file_metrics_simple(
        path: &str,
        cyclomatic: u16,
        cognitive: u16,
    ) -> crate::services::complexity::FileComplexityMetrics {
        crate::services::complexity::FileComplexityMetrics {
            path: path.to_string(),
            language: "rust".to_string(),
            total_complexity: crate::services::complexity::ComplexityMetrics {
                cyclomatic,
                cognitive,
                nesting_depth: 2,
                line_count: 100,
                function_count: 5,
            },
            functions: vec![crate::services::complexity::FunctionComplexity {
                name: "test_fn".to_string(),
                line: 1,
                metrics: crate::services::complexity::ComplexityMetrics {
                    cyclomatic,
                    cognitive,
                    nesting_depth: 2,
                    line_count: 20,
                    function_count: 1,
                },
            }],
            function_count: 1,
        }
    }
}

// Extended Property Tests

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

    proptest! {
        #[test]
        fn test_dead_code_summary_section_always_valid(
            total_files in 0usize..1000,
            files_with_dead in 0usize..1000,
            dead_lines in 0usize..10000,
            percentage in 0.0f32..100.0f32
        ) {
            let result = crate::models::dead_code::DeadCodeResult {
                summary: crate::models::dead_code::DeadCodeSummary {
                    total_files_analyzed: total_files,
                    files_with_dead_code: files_with_dead,
                    total_dead_lines: dead_lines,
                    dead_percentage: percentage,
                    dead_functions: 0,
                    dead_classes: 0,
                    dead_modules: 0,
                    unreachable_blocks: 0,
                },
                files: vec![],
                total_files,
                analyzed_files: total_files,
            };

            let section = format_dead_code_summary_section(&result);

            prop_assert!(section.contains("Dead Code Analysis Report"));
            prop_assert!(!section.is_empty());
        }

        #[test]
        fn test_top_files_limit_never_exceeds_original(
            file_count in 1usize..100,
            limit in 1usize..50
        ) {
            let mut metrics: Vec<crate::services::complexity::FileComplexityMetrics> = (0..file_count)
                .map(|i| crate::services::complexity::FileComplexityMetrics {
                    path: format!("file{}.rs", i),
                    language: "rust".to_string(),
                    total_complexity: crate::services::complexity::ComplexityMetrics {
                        cyclomatic: (i as u16) + 1,
                        cognitive: (i as u16) + 1,
                        nesting_depth: 2,
                        line_count: 100,
                        function_count: 1,
                    },
                    functions: vec![],
                    function_count: 0,
                })
                .collect();

            let original_count = metrics.len();
            apply_top_files_limit(&mut metrics, limit);

            prop_assert!(metrics.len() <= limit.min(original_count));
        }

        #[test]
        fn test_complexity_filters_preserve_invariant(
            file_count in 1usize..50,
            threshold in 1u16..100
        ) {
            let mut metrics: Vec<crate::services::complexity::FileComplexityMetrics> = (0..file_count)
                .map(|i| crate::services::complexity::FileComplexityMetrics {
                    path: format!("file{}.rs", i),
                    language: "rust".to_string(),
                    total_complexity: crate::services::complexity::ComplexityMetrics {
                        cyclomatic: (i as u16) % 50 + 1,
                        cognitive: (i as u16) % 50 + 1,
                        nesting_depth: 2,
                        line_count: 100,
                        function_count: 1,
                    },
                    functions: vec![crate::services::complexity::FunctionComplexity {
                        name: "fn".to_string(),
                        line: 1,
                        metrics: crate::services::complexity::ComplexityMetrics {
                            cyclomatic: (i as u16) % 50 + 1,
                            cognitive: (i as u16) % 50 + 1,
                            nesting_depth: 2,
                            line_count: 20,
                            function_count: 1,
                        },
                    }],
                    function_count: 1,
                })
                .collect();

            let original_count = metrics.len();
            let filtered = apply_complexity_filters(&mut metrics, Some(threshold), Some(threshold));

            // Invariant: filtered + remaining = original
            prop_assert_eq!(filtered + metrics.len(), original_count);
        }
    }
}