cmdtree 0.10.1

(Rust) commands tree
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

#[macro_use]
extern crate criterion;

use criterion::Criterion;

use cmdtree::*;
use completion::*;

fn parse_line(c: &mut Criterion) {
    let mut cmdr = build_cmdr();

    c.bench_function("parse_line_root", move |b| {
        b.iter(|| {
            assert_ne!(
                cmdr.parse_line("one-class nested some-action", false, &mut std::io::sink()),
                LineResult::Unrecognized
            )
        })
    });

    let mut cmdr = build_cmdr();

    c.bench_function("parse_line_lrg", move |b| {
        b.iter(|| {
            assert_eq!(
                cmdr.parse_line("c", false, &mut std::io::sink()),
                LineResult::Cancel
            );
            assert_ne!(
                cmdr.parse_line(
                    "more_stuff insider one two three four five six seven eight nine ten",
                    false,
                    &mut std::io::sink()
                ),
                LineResult::Unrecognized
            )
        })
    });
}

fn build_completion(c: &mut Criterion) {
    let cmdr = build_cmdr();

    c.bench_function("build_tree_completion_items", move |b| {
        b.iter(|| create_tree_completion_items(&cmdr))
    });

    let cmdr = build_cmdr();

    c.bench_function("build_action_completion_items", move |b| {
        b.iter(|| create_action_completion_items(&cmdr))
    });

    let cmdr = build_cmdr();
    let items = create_tree_completion_items(&cmdr);

    c.bench_function("tree_completions", move |b| {
        b.iter(|| tree_completions("", items.iter()).count())
    });
}

fn completion_cycle(c: &mut Criterion) {
    let mut cmdr = build_cmdr();

    c.bench_function("completion_cycle", move |b| {
        b.iter(|| {
            let items = create_tree_completion_items(&cmdr);
            let completions = tree_completions("one", items.iter()).count();
            assert_eq!(completions, 4);
            cmdr.parse_line("more_stuff insider", false, &mut std::io::sink());
            let items = create_tree_completion_items(&cmdr);
            let completions = tree_completions("one", items.iter()).count();
            assert_eq!(completions, 10);
            cmdr.parse_line("c", false, &mut std::io::sink());
        })
    });
}

fn build_cmdr<'a>() -> Commander<'a, ()> {
    let cmdr = Builder::default_config("root")
        .begin_class("one-class", "")
        .begin_class("nested", "")
        .add_action("some-action", "", |_, _| ())
        .end_class()
        .begin_class("another", "")
        .end_class()
        .end_class()
        .begin_class("more_stuff", "")
        .begin_class("insider", "")
        .begin_class("one", "")
        .begin_class("two", "")
        .begin_class("three", "")
        .begin_class("four", "")
        .begin_class("five", "")
        .begin_class("six", "")
        .begin_class("seven", "")
        .begin_class("eight", "")
        .begin_class("nine", "")
        .begin_class("ten", "")
        .into_commander()
        .unwrap();

    cmdr
}

criterion_group!(benches, parse_line, build_completion, completion_cycle);
criterion_main!(benches);