yerba 0.1.2

YAML Editing and Refactoring with Better Accuracy
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
135

use yerba::Document;

#[test]
fn test_get_plain_scalar() {
  let document = Document::parse("host: localhost").unwrap();

  assert_eq!(document.get("host"), Some("localhost".to_string()));
}

#[test]
fn test_get_double_quoted_scalar() {
  let document = Document::parse("name: \"myapp\"").unwrap();

  assert_eq!(document.get("name"), Some("myapp".to_string()));
}

#[test]
fn test_get_single_quoted_scalar() {
  let document = Document::parse("name: 'myapp'").unwrap();

  assert_eq!(document.get("name"), Some("myapp".to_string()));
}

#[test]
fn test_get_nested_path() {
  let yaml = "database:\n  host: localhost\n  port: 5432\n";
  let document = Document::parse(yaml).unwrap();

  assert_eq!(document.get("database.host"), Some("localhost".to_string()));
  assert_eq!(document.get("database.port"), Some("5432".to_string()));
}

#[test]
fn test_get_deeply_nested() {
  let yaml = "a:\n  b:\n    c: deep\n";
  let document = Document::parse(yaml).unwrap();

  assert_eq!(document.get("a.b.c"), Some("deep".to_string()));
}

#[test]
fn test_get_nonexistent_path() {
  let document = Document::parse("host: localhost").unwrap();

  assert_eq!(document.get("missing"), None);
}

#[test]
fn test_get_with_brackets_returns_first() {
  let yaml = "- id: a\n- id: b\n";
  let document = Document::parse(yaml).unwrap();

  assert_eq!(document.get("[].id"), Some("a".to_string()));
}

#[test]
fn test_get_all_with_bracket_path() {
  let yaml = "- id: a\n  name: first\n- id: b\n  name: second\n";
  let document = Document::parse(yaml).unwrap();

  assert_eq!(document.get_all("[].name"), vec!["first", "second"]);
  assert_eq!(document.get_all("[].id"), vec!["a", "b"]);
}

#[test]
fn test_get_all_nested_brackets() {
  let yaml = "- speakers:\n    - name: Alice\n    - name: Bob\n- speakers:\n    - name: Charlie\n";
  let document = Document::parse(yaml).unwrap();

  assert_eq!(document.get_all("[].speakers[].name"), vec!["Alice", "Bob", "Charlie"]);
}

#[test]
fn test_get_all_with_key_prefix() {
  let yaml = "data:\n  items:\n    - name: first\n    - name: second\n";
  let document = Document::parse(yaml).unwrap();

  assert_eq!(document.get_all("data.items.[].name"), vec!["first", "second"]);
}

#[test]
fn test_get_sequence_values() {
  let yaml = "tags:\n  - ruby\n  - rust\n  - yaml\n";
  let document = Document::parse(yaml).unwrap();

  assert_eq!(document.get_sequence_values("tags"), vec!["ruby", "rust", "yaml"]);
}

#[test]
fn test_get_sequence_values_empty() {
  let yaml = "host: localhost\n";
  let document = Document::parse(yaml).unwrap();

  assert!(document.get_sequence_values("host").is_empty());
  assert!(document.get_sequence_values("missing").is_empty());
}

#[test]
fn test_exists_returns_true_for_existing_path() {
  let document = Document::parse("host: localhost\n").unwrap();

  assert!(document.exists("host"));
}

#[test]
fn test_exists_returns_false_for_missing_path() {
  let document = Document::parse("host: localhost\n").unwrap();

  assert!(!document.exists("missing"));
}

#[test]
fn test_exists_nested_path() {
  let document = Document::parse("database:\n  host: localhost\n").unwrap();

  assert!(document.exists("database.host"));
  assert!(!document.exists("database.missing"));
}

#[test]
fn test_exists_with_brackets() {
  let yaml = "- id: a\n  name: first\n- id: b\n  name: second\n";
  let document = Document::parse(yaml).unwrap();

  assert!(document.exists("[].name"));
  assert!(!document.exists("[].missing"));
}

#[test]
fn test_roundtrip_no_changes() {
  let yaml = "# comment\nkey: value\nnested:\n  a: 1\n  b: 'two'\n";
  let document = Document::parse(yaml).unwrap();

  assert_eq!(document.to_string(), yaml);
}