cargo-benchcmp 0.1.4

A utility for comparing Rust micro-benchmark output.
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

extern crate second_law;

macro_rules! new_scene {
    () => ({
        use second_law;
        if cfg!(target_os = "windows") {
            second_law::Scene::new(format!("{}.exe", env!("CARGO_PKG_NAME")))
        } else {
            second_law::Scene::new(env!("CARGO_PKG_NAME"))
        }
    });
}

fn new_ucmd() -> second_law::UCommand {
    let mut scene: second_law::Scene = new_scene!();
    scene.ucmd()
}

#[test]
fn invalid_arguments() {
    let mut ucmd: second_law::UCommand = new_scene!().ucmd();
    ucmd.fails().no_stdout().stderr_is_fixture("invalid_arguments.expected");
}

#[test]
fn version() {
    new_ucmd().arg("--version").succeeds().no_stderr().stdout_only(env!("CARGO_PKG_VERSION"));
}

#[test]
fn same_input() {
    new_ucmd().args(&["bench_output_1.txt", "bench_output_1.txt"]).succeeds().stdout_is_fixture("same_input.expected");
}

#[test]
fn different_input() {
    new_ucmd()
        .args(&["bench_output_2.txt", "bench_output_3.txt"])
        .succeeds()
        .no_stderr()
        .stdout_is_fixture("different_input.expected");
}

#[test]
fn non_overlapping_input() {
    new_ucmd()
        .args(&["bench_output_1.txt", "bench_output_2.txt"])
        .succeeds()
        .stderr_is_fixture("non_overlapping_input.expected")
        .no_stdout();
}

#[cfg(unix)]
#[test]
fn different_input_colored() {
    let mut scene: second_law::Scene = new_scene!();
    // NOTE: keeping the environment here so that terminfo is available,
    //  which is required to get colour code in the output
    scene.ucmd_keepenv()
        .args(&["--color", "always", "bench_output_2.txt", "bench_output_3.txt"])
        .succeeds()
        .no_stderr()
        .stdout_is_fixture("different_input_colored.expected");
}

#[test]
fn different_input_selections() {
    new_ucmd()
        .args(&["dense::", "dense_boxed::", "bench_output_1.txt"])
        .succeeds()
        .no_stderr()
        .stdout_is_fixture("different_input_selections.expected");
}

#[test]
fn stdin() {
    new_ucmd()
        .args(&["dense::", "dense_boxed::", "-"])
        .pipe_in_fixture("bench_output_1.txt")
        .succeeds()
        .no_stderr()
        .stdout_is_fixture("different_input_selections.expected");
}