rmux 0.9.1

A local terminal multiplexer with a tmux-style CLI, daemon runtime, Rust SDK, and ratatui integration.
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
149
150
151
152
153
154
155
156
157

use std::error::Error;
use std::fs;
#[cfg(unix)]
use std::os::unix::fs::symlink;
use std::path::PathBuf;
use std::process::Command;
use std::sync::atomic::{AtomicUsize, Ordering};

static UNIQUE_TEST_ID: AtomicUsize = AtomicUsize::new(0);
const REPO_SKILL: &str = include_str!("../resources/claude/skills/rmux/SKILL.md");

#[test]
fn claude_install_skill_writes_user_level_skill() -> Result<(), Box<dyn Error>> {
    let root = unique_test_dir("install-skill");
    let home = root.join("home");
    fs::create_dir_all(&home)?;

    let output = Command::new(env!("CARGO_BIN_EXE_rmux"))
        .arg("claude")
        .arg("install-skill")
        .env("HOME", &home)
        .env("USERPROFILE", &home)
        .output()?;

    assert!(
        output.status.success(),
        "rmux claude install-skill failed\nstdout:\n{}\nstderr:\n{}",
        String::from_utf8_lossy(&output.stdout),
        String::from_utf8_lossy(&output.stderr)
    );

    let skill = home
        .join(".claude")
        .join("skills")
        .join("rmux")
        .join("SKILL.md");
    let content = fs::read_to_string(&skill)?;
    assert_eq!(content, REPO_SKILL);

    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(
        stdout.contains(&skill.display().to_string()),
        "stdout should mention installed skill path, got {stdout:?}"
    );
    assert!(
        stdout.contains("resources/claude/skills/rmux/SKILL.md"),
        "stdout should mention repository skill source, got {stdout:?}"
    );

    let second = Command::new(env!("CARGO_BIN_EXE_rmux"))
        .arg("claude")
        .arg("install-skill")
        .env("HOME", &home)
        .env("USERPROFILE", &home)
        .output()?;
    assert!(
        second.status.success(),
        "second install should be idempotent\nstdout:\n{}\nstderr:\n{}",
        String::from_utf8_lossy(&second.stdout),
        String::from_utf8_lossy(&second.stderr)
    );
    assert!(
        String::from_utf8_lossy(&second.stdout).contains("exists:"),
        "second install should report existing content"
    );
    assert!(
        second.stderr.is_empty(),
        "second install should not write stderr: {}",
        String::from_utf8_lossy(&second.stderr)
    );

    let _ = fs::remove_dir_all(root);
    Ok(())
}

#[test]
fn claude_install_skill_backs_up_existing_custom_skill() -> Result<(), Box<dyn Error>> {
    let root = unique_test_dir("install-skill-backup");
    let home = root.join("home");
    let skill = home
        .join(".claude")
        .join("skills")
        .join("rmux")
        .join("SKILL.md");
    fs::create_dir_all(skill.parent().expect("skill parent"))?;
    fs::write(&skill, "custom user skill\n")?;

    let output = Command::new(env!("CARGO_BIN_EXE_rmux"))
        .arg("claude")
        .arg("install-skill")
        .env("HOME", &home)
        .env("USERPROFILE", &home)
        .output()?;

    assert!(
        output.status.success(),
        "custom skill update failed\nstdout:\n{}\nstderr:\n{}",
        String::from_utf8_lossy(&output.stdout),
        String::from_utf8_lossy(&output.stderr)
    );
    assert_eq!(fs::read_to_string(&skill)?, REPO_SKILL);
    let backup = skill.with_file_name("SKILL.md.rmux-backup");
    assert_eq!(fs::read_to_string(&backup)?, "custom user skill\n");
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(stdout.contains("updated:"), "stdout: {stdout:?}");
    assert!(stdout.contains("backup:"), "stdout: {stdout:?}");

    let _ = fs::remove_dir_all(root);
    Ok(())
}

#[cfg(unix)]
#[test]
fn claude_install_skill_refuses_to_overwrite_symlink() -> Result<(), Box<dyn Error>> {
    let root = unique_test_dir("install-skill-symlink");
    let home = root.join("home");
    let skill = home
        .join(".claude")
        .join("skills")
        .join("rmux")
        .join("SKILL.md");
    fs::create_dir_all(skill.parent().expect("skill parent"))?;
    let target = root.join("custom-skill.md");
    fs::write(&target, "custom target\n")?;
    symlink(&target, &skill)?;

    let output = Command::new(env!("CARGO_BIN_EXE_rmux"))
        .arg("claude")
        .arg("install-skill")
        .env("HOME", &home)
        .output()?;

    assert!(
        !output.status.success(),
        "symlink install should fail\nstdout:\n{}\nstderr:\n{}",
        String::from_utf8_lossy(&output.stdout),
        String::from_utf8_lossy(&output.stderr)
    );
    assert_eq!(fs::read_to_string(&target)?, "custom target\n");
    assert!(fs::symlink_metadata(&skill)?.file_type().is_symlink());
    assert!(
        String::from_utf8_lossy(&output.stderr).contains("refusing to overwrite"),
        "stderr should explain symlink refusal: {}",
        String::from_utf8_lossy(&output.stderr)
    );

    let _ = fs::remove_dir_all(root);
    Ok(())
}

fn unique_test_dir(label: &str) -> PathBuf {
    std::env::temp_dir().join(format!(
        "rmux-claude-skill-{label}-{}-{}",
        std::process::id(),
        UNIQUE_TEST_ID.fetch_add(1, Ordering::Relaxed)
    ))
}