rumdl 0.1.76

A fast Markdown linter written in Rust (Ru(st) MarkDown Linter)
Documentation 
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

//! Tests for unfixable rules functionality (Issue #56)

use rumdl_lib::config::Config;
use rumdl_lib::rule::{FixCapability, Rule};
use rumdl_lib::rules::MD018NoMissingSpaceAtx;
use rumdl_lib::rules::MD033NoInlineHtml;
use rumdl_lib::rules::MD045NoAltText;
use rumdl_lib::rules::MD054LinkImageStyle;

#[test]
fn test_inherently_unfixable_rules_declare_capability() {
    // MD054 is inherently unfixable
    let rule = MD054LinkImageStyle::new(true, true, true, true, true, true);
    assert_eq!(rule.fix_capability(), FixCapability::Unfixable);

    // MD033 is inherently unfixable
    let rule = MD033NoInlineHtml::new();
    assert_eq!(rule.fix_capability(), FixCapability::Unfixable);

    // MD045 is diagnostic-only (alt text requires human judgment)
    let rule = MD045NoAltText::new();
    assert_eq!(rule.fix_capability(), FixCapability::Unfixable);
}

#[test]
fn test_fixable_rules_declare_capability() {
    // MD018 is fixable
    let rule = MD018NoMissingSpaceAtx::new();
    assert_eq!(rule.fix_capability(), FixCapability::FullyFixable);
}

#[test]
fn test_unfixable_config_prevents_fixing() {
    let _content = "##Heading without space\n[empty link]()\n";

    // Create config with MD018 marked as unfixable
    let mut config = Config::default();
    config.global.unfixable = vec!["MD018".to_string()];

    // The helper function should identify MD018 as unfixable
    assert!(!is_rule_actually_fixable(&config, "MD018"));
    assert!(is_rule_actually_fixable(&config, "MD042"));
}

#[test]
fn test_fixable_list_restricts_fixing() {
    let _content = "##Heading without space\n[empty link]()\n";

    // Create config with only MD042 in fixable list
    let mut config = Config::default();
    config.global.fixable = vec!["MD042".to_string()];

    // Only MD042 should be fixable
    assert!(!is_rule_actually_fixable(&config, "MD018"));
    assert!(is_rule_actually_fixable(&config, "MD042"));
    assert!(!is_rule_actually_fixable(&config, "MD047"));
}

#[test]
fn test_unfixable_takes_precedence_over_fixable() {
    // If a rule is in both lists, unfixable takes precedence
    let mut config = Config::default();
    config.global.unfixable = vec!["MD018".to_string()];
    config.global.fixable = vec!["MD018".to_string(), "MD042".to_string()];

    // MD018 should be unfixable (unfixable takes precedence)
    assert!(!is_rule_actually_fixable(&config, "MD018"));
    // MD042 should be fixable (only in fixable list)
    assert!(is_rule_actually_fixable(&config, "MD042"));
}

#[test]
fn test_case_insensitive_rule_names() {
    let mut config = Config::default();
    config.global.unfixable = vec!["md018".to_string()]; // lowercase

    // Should match regardless of case
    assert!(!is_rule_actually_fixable(&config, "MD018"));
    assert!(!is_rule_actually_fixable(&config, "md018"));
    assert!(!is_rule_actually_fixable(&config, "Md018"));
}

#[test]
fn test_empty_config_allows_all_fixes() {
    let config = Config::default();

    // Everything should be fixable with empty config
    assert!(is_rule_actually_fixable(&config, "MD018"));
    assert!(is_rule_actually_fixable(&config, "MD042"));
    assert!(is_rule_actually_fixable(&config, "MD047"));
}

// Helper function copied from main.rs for testing
fn is_rule_actually_fixable(config: &Config, rule_name: &str) -> bool {
    // Check unfixable list
    if config
        .global
        .unfixable
        .iter()
        .any(|r| r.eq_ignore_ascii_case(rule_name))
    {
        return false;
    }

    // Check fixable list if specified
    if !config.global.fixable.is_empty() {
        return config.global.fixable.iter().any(|r| r.eq_ignore_ascii_case(rule_name));
    }

    true
}

#[test]
fn test_fix_count_excludes_unfixable() {
    let mut config = Config::default();
    config.global.unfixable = vec!["MD042".to_string()]; // Mark MD042 as unfixable

    // Simulate warnings that would be detected from markdown content
    // Each tuple represents (rule_name, has_fix_available)
    let warnings = [
        ("MD018", true), // Missing space after ## - fixable
        ("MD012", true), // Multiple blank lines - fixable
        ("MD042", true), // Empty link - has fix but unfixable by config
        ("MD047", true), // No final newline - fixable
    ];

    // Count fixable warnings (should exclude MD042)
    let fixable_count = warnings
        .iter()
        .filter(|(rule, has_fix)| *has_fix && is_rule_actually_fixable(&config, rule))
        .count();

    assert_eq!(fixable_count, 3); // Should be 3, not 4 (MD042 excluded)
}