simple-selectors 0.1.0

A simple label selector syntax inspired (and mostly compatible) to k8s
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
136
137
138
139
140
141
142
143
144
145
146
147
148

#[macro_use]
extern crate assert_matches;
extern crate simple_selectors;

use simple_selectors::*;

#[test]
fn it_will_fail_for_empty_selectors() {
    let labels = LabelMap::new();
    assert_matches!(parse("", &labels), Err(ParseError::EmptySelector));
}

#[test]
fn it_will_return_false_for_unknown_labels() {
    let labels = LabelMap::new();
    let result = parse("testii", &labels);
    assert!(result.is_ok());
    assert!(!result.unwrap());
}

#[test]
fn it_will_return_true_for_known_labels() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    let result = parse("test", &labels);
    assert!(result.is_ok());
    assert!(result.unwrap());
}

#[test]
fn it_will_ignore_whitespaces_in_the_beginning() {
    let selector = " hmpf";

    let labels = LabelMap::new();
    let result = parse(selector, &labels);

    assert_eq!(result.unwrap(), false);
}

#[test]
fn it_will_combine_requirements_with_and_positive() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    labels.insert("test1", "test");
    let result = parse("test,test1", &labels);
    assert!(result.is_ok());
    assert!(result.unwrap());
}

#[test]
fn it_will_combine_requirements_with_and_negative() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    labels.insert("test1", "test");
    let result = parse("test,test2", &labels);
    assert!(result.is_ok());
    assert!(!result.unwrap());
}

#[test]
fn it_will_negate_things_properly() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    let result = parse("!test", &labels);
    assert!(result.is_ok());
    assert!(!result.unwrap());
}

#[test]
fn it_will_negate_things_properly_with_whitespaces() {
    let mut labels = LabelMap::new();
    labels.insert("test1", "test");
    let result = parse(" ! test", &labels);
    assert!(result.is_ok());
    assert!(result.unwrap());
}

#[test]
fn it_will_check_equality() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    let result = parse("test = test", &labels);
    assert!(result.is_ok());
    assert!(result.unwrap());
}

#[test]
fn it_will_check_inequality() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    let result = parse("test != test", &labels);
    assert!(result.is_ok());
    assert!(!result.unwrap());
}

#[test]
fn it_will_check_sets() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    let result = parse("test in (test)", &labels);
    assert!(result.is_ok());
    assert!(result.unwrap());
}

#[test]
fn it_will_check_sets_with_ws() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    let result = parse("test in ( test ) ", &labels);
    assert!(result.is_ok());
    assert!(result.unwrap());
}

#[test]
fn it_will_check_not_sets() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    let result = parse("test notin (test)", &labels);
    assert!(result.is_ok());
    assert!(!result.unwrap());
}

#[test]
fn it_will_parse_multiple_conditions() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    let result = parse("test notin (test1), test = test", &labels);
    assert!(result.is_ok());
    assert!(result.unwrap());
}

#[test]
fn it_will_fail_if_first_condition_is_false() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    let result = parse("test notin (test), test = test", &labels);
    assert!(result.is_ok());
    assert!(!result.unwrap());
}

#[test]
fn it_will_fail_if_second_condition_is_false() {
    let mut labels = LabelMap::new();
    labels.insert("test", "test");
    let result = parse("test notin (test1), test = test1", &labels);
    assert!(result.is_ok());
    assert!(!result.unwrap());
}