ratto 0.3.1

Ratatui-powered terminal primitives for shell dashboards: flicker-free repaints, progress bars, prompts, and portable time tools
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 assert_cmd::Command;

fn rat() -> Command {
    let mut cmd = Command::cargo_bin("rat").expect("rat binary builds");
    cmd.env_remove("NO_COLOR");
    cmd
}

#[test]
fn once_prints_child_stdout_and_exits_zero() {
    rat()
        .args(["watch", "--once", "--", "echo", "hi"])
        .assert()
        .success()
        .stdout(predicates::str::contains("hi"));
}

#[test]
fn piped_output_has_no_movement_or_cursor_escapes() {
    let assert = rat()
        .args(["watch", "--once", "--", "echo", "hi"])
        .assert()
        .success();
    let stdout = String::from_utf8_lossy(&assert.get_output().stdout).into_owned();
    for escape in ["\x1b[?25l", "\x1b[?2026", "\x1b[0J"] {
        assert!(!stdout.contains(escape), "found {escape:?} in {stdout:?}");
    }
}

#[test]
fn child_failure_does_not_fail_the_watch() {
    rat()
        .args(["watch", "--once", "--", "sh", "-c", "exit 3"])
        .assert()
        .success();
}

#[test]
fn missing_command_is_a_usage_error() {
    rat().args(["watch", "--once"]).assert().code(2);
}

#[test]
fn child_ansi_passes_through_verbatim() {
    rat()
        .args(["watch", "--once", "--", "printf", "\\033[31mred\\033[0m"])
        .assert()
        .success()
        .stdout(predicates::str::contains("\x1b[31mred\x1b[0m"));
}

#[test]
fn title_line_is_prepended() {
    rat()
        .env("NO_COLOR", "1")
        .args([
            "watch",
            "--once",
            "--title",
            "My Dashboard",
            "--",
            "echo",
            "body",
        ])
        .assert()
        .success()
        .stdout(predicates::str::contains("My Dashboard"));
}

#[test]
fn bad_interval_is_an_error() {
    rat()
        .args(["watch", "-n", "bogus", "--once", "--", "echo", "hi"])
        .assert()
        .code(1);
}

#[test]
fn spawn_failure_in_once_mode_fails_loudly() {
    rat()
        .args(["watch", "--once", "--", "definitely-no-such-binary-xyz"])
        .assert()
        .code(1)
        .stderr(predicates::str::contains("definitely-no-such-binary-xyz"));
}

#[test]
fn shell_mode_runs_through_sh() {
    rat()
        .args(["watch", "--once", "--shell", "--", "echo $((6 * 7))"])
        .assert()
        .success()
        .stdout(predicates::str::contains("42"));
}

#[test]
fn clear_flag_stays_silent_when_piped() {
    let assert = rat()
        .args(["watch", "--clear", "--once", "--", "echo", "hi"])
        .assert()
        .success();
    let stdout = String::from_utf8_lossy(&assert.get_output().stdout).into_owned();
    assert!(!stdout.contains("\x1b[2J"), "piped output must stay plain");
    assert!(stdout.contains("hi"));
}

#[test]
fn child_stderr_passes_through_when_piped() {
    rat()
        .args([
            "watch",
            "--once",
            "--",
            "sh",
            "-c",
            "echo out; echo err >&2",
        ])
        .assert()
        .success()
        .stdout(predicates::str::contains("out"))
        .stderr(predicates::str::contains("err"));
}

#[test]
fn child_stderr_stays_off_stdout_when_piped() {
    let assert = rat()
        .args(["watch", "--once", "--", "sh", "-c", "echo err >&2"])
        .assert()
        .success();
    let stdout = String::from_utf8_lossy(&assert.get_output().stdout).into_owned();
    assert!(
        !stdout.contains("err"),
        "stderr leaked into stdout: {stdout:?}"
    );
}