ruchy 4.1.2

A systems scripting language that transpiles to idiomatic Rust with extreme quality engineering
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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195

#![allow(clippy::ignore_without_reason)] // Test file with known limitations
#![allow(missing_docs)]

// RUNTIME-090: Fix Command.output() hang (Issue #75)
// https://github.com/paiml/ruchy/issues/75
//
// RED Phase: Demonstrate that Command.output() hangs at runtime
// Expected: These tests should timeout/hang, proving the defect exists

use assert_cmd::Command;

#[test]
#[ignore = "RED phase: Will hang indefinitely"]
fn test_runtime_090_01_command_output_simple() {
    // Minimal reproduction: Case 1 from Issue #75
    let ruchy_script = r#"
use std::process::Command

println("Starting...")
let result = Command::new("ls").output()
println("Done!")
"#;

    let temp_file = std::env::temp_dir().join("test_command_simple.ruchy");
    std::fs::write(&temp_file, ruchy_script).unwrap();

    // This should complete in <1 second but will hang indefinitely
    let output = Command::new("timeout")
        .arg("5") // 5 second timeout
        .arg("ruchy")
        .arg("run")
        .arg(&temp_file)
        .output()
        .expect("Failed to run ruchy");

    // Clean up
    let _ = std::fs::remove_file(&temp_file);

    // If we get here, timeout killed the process (proving hang)
    assert!(
        !output.status.success(),
        "Command should timeout due to hang"
    );

    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(stdout.contains("Starting..."), "Should print before hang");
    assert!(
        !stdout.contains("Done!"),
        "Should NOT reach after .output() call"
    );
}

#[test]
#[ignore = "RED phase: Will hang indefinitely"]
fn test_runtime_090_02_command_output_with_args() {
    // Case 2 from Issue #75: Command with arguments
    let ruchy_script = r#"
use std::process::Command

println("Starting...")
let mut cmd = Command::new("echo")
cmd.arg("hello")
let result = cmd.output()
println("Done!")
"#;

    let temp_file = std::env::temp_dir().join("test_command_args.ruchy");
    std::fs::write(&temp_file, ruchy_script).unwrap();

    let output = Command::new("timeout")
        .arg("5")
        .arg("ruchy")
        .arg("run")
        .arg(&temp_file)
        .output()
        .expect("Failed to run ruchy");

    let _ = std::fs::remove_file(&temp_file);

    assert!(
        !output.status.success(),
        "Command should timeout due to hang"
    );

    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(stdout.contains("Starting..."), "Should print before hang");
    assert!(
        !stdout.contains("Done!"),
        "Should NOT reach after .output() call"
    );
}

#[test]
#[ignore = "RED phase: Will hang indefinitely"]
fn test_runtime_090_03_command_output_in_function() {
    // Case 3 from Issue #75: Command in function wrapper
    let ruchy_script = r#"
use std::process::Command

fun check_command() -> bool {
    println("Checking command...")
    let result = Command::new("ls").output()
    println("Command completed")
    true
}

println("Starting...")
let success = check_command()
println("Done!")
"#;

    let temp_file = std::env::temp_dir().join("test_command_function.ruchy");
    std::fs::write(&temp_file, ruchy_script).unwrap();

    let output = Command::new("timeout")
        .arg("5")
        .arg("ruchy")
        .arg("run")
        .arg(&temp_file)
        .output()
        .expect("Failed to run ruchy");

    let _ = std::fs::remove_file(&temp_file);

    assert!(
        !output.status.success(),
        "Command should timeout due to hang"
    );

    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(
        stdout.contains("Checking command..."),
        "Should enter function"
    );
    assert!(
        !stdout.contains("Command completed"),
        "Should hang before completing"
    );
}

#[test]
#[ignore = "RED phase: Will hang indefinitely"]
fn test_runtime_090_04_command_output_full_conversion() {
    // Case 4 from Issue #75: Full system-command.ts conversion (simplified)
    let ruchy_script = r#"
use std::process::Command

fun run_command(cmd: String, args: [String]) -> Result<String, String> {
    println("Building command...")
    let mut command = Command::new(cmd)

    for arg in args {
        command.arg(arg)
    }

    println("Executing...")
    let output = command.output()

    println("Processing result...")
    Ok("success")
}

println("Starting system command...")
let result = run_command("ls", ["-la"])
println("Done!")
"#;

    let temp_file = std::env::temp_dir().join("test_command_full.ruchy");
    std::fs::write(&temp_file, ruchy_script).unwrap();

    let output = Command::new("timeout")
        .arg("5")
        .arg("ruchy")
        .arg("run")
        .arg(&temp_file)
        .output()
        .expect("Failed to run ruchy");

    let _ = std::fs::remove_file(&temp_file);

    assert!(
        !output.status.success(),
        "Command should timeout due to hang"
    );

    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(
        stdout.contains("Executing..."),
        "Should reach .output() call"
    );
    assert!(
        !stdout.contains("Processing result..."),
        "Should hang at .output()"
    );
}