bashrs 6.66.0

Rust-to-Shell transpiler for deterministic bootstrap scripts
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

fn test_check_subcommand_valid_file() {
    let rust_code = r#"
        fn main() {
            let x = 42;
            println!("Hello");
        }
    "#;

    let mut file = NamedTempFile::new().unwrap();
    file.write_all(rust_code.as_bytes()).unwrap();

    assert_cmd::cargo_bin_cmd!("bashrs")
        .arg("check")
        .arg(file.path())
        .assert()
        .success();
}

#[test]
fn test_check_subcommand_invalid_file() {
    // Use a construct that still fails validation (unsafe block inside function)
    let rust_code = r#"
        fn main() {
            unsafe { let ptr = std::ptr::null::<i32>(); }
        }
    "#;

    let mut file = NamedTempFile::new().unwrap();
    file.write_all(rust_code.as_bytes()).unwrap();

    assert_cmd::cargo_bin_cmd!("bashrs")
        .arg("check")
        .arg(file.path())
        .assert()
        .failure();
}

// ============================================================================
// File Not Found Tests
// ============================================================================

#[test]
fn test_missing_input_file_error() {
    assert_cmd::cargo_bin_cmd!("bashrs")
        .arg("build")
        .arg("nonexistent_file.rs")
        .assert()
        .failure()
        .code(2) // IO errors return 2
        .stderr(predicate::str::contains("error").or(predicate::str::contains("Error")))
        .stderr(predicate::str::contains("No such file or directory"));
}

// ============================================================================
// Error Message Quality Tests
// ============================================================================

#[test]
fn test_error_message_quality_baseline() {
    // Only test constructs that actually produce errors
    let unsupported_features = vec![
        ("async", "async fn test() { let x = foo().await; }"),
        ("unsafe", "unsafe { let ptr = std::ptr::null::<i32>(); }"),
    ];

    for (feature, code) in unsupported_features {
        let full_code = format!("fn main() {{ {} }}", code);
        let mut file = NamedTempFile::new().unwrap();
        file.write_all(full_code.as_bytes()).unwrap();

        let output = assert_cmd::cargo_bin_cmd!("bashrs")
            .arg("build")
            .arg(file.path())
            .output()
            .unwrap();

        let stderr = String::from_utf8_lossy(&output.stderr);
        let stdout = String::from_utf8_lossy(&output.stdout);
        let combined = format!("{}{}", stdout, stderr);
        let quality = ErrorMessageQuality::from_stderr(&combined);

        // Verify we get SOME error indication
        assert!(
            quality.has_error_prefix || !output.status.success(),
            "Error message for '{}' should have error prefix or non-zero exit. Quality: {:?}",
            feature,
            quality
        );
    }
}

// ============================================================================
// Multiple Error Reporting Tests
// ============================================================================

#[test]
fn test_multiple_errors_detected() {
    // Use constructs that still fail: async inside main, unsafe block
    let rust_code = r#"
        fn main() {
            let data = fetch_data().await;
            unsafe { let p = std::ptr::null::<i32>(); }
        }
    "#;

    let mut file = NamedTempFile::new().unwrap();
    file.write_all(rust_code.as_bytes()).unwrap();

    let output = assert_cmd::cargo_bin_cmd!("bashrs")
        .arg("build")
        .arg(file.path())
        .output()
        .unwrap();

    let stderr = String::from_utf8_lossy(&output.stderr);
    let stdout = String::from_utf8_lossy(&output.stdout);

    // Should detect at least one error
    assert!(
        stderr.contains("error")
            || stderr.contains("Error")
            || stdout.contains("error")
            || !output.status.success(),
        "Should detect errors. stderr: {}, stdout: {}",
        stderr,
        stdout
    );

    assert!(
        !output.status.success(),
        "Should fail with non-zero exit code"
    );
}

#[test]
fn test_macro_definition_error_message() {
    let rust_code = r#"
        macro_rules! my_macro {
            () => { println!("hello"); }
        }

        fn main() {
            my_macro!();
        }
    "#;

    let mut file = NamedTempFile::new().unwrap();
    file.write_all(rust_code.as_bytes()).unwrap();

    let output = assert_cmd::cargo_bin_cmd!("bashrs")
        .arg("build")
        .arg(file.path())
        .output()
        .unwrap();

    let stderr = String::from_utf8_lossy(&output.stderr);

    // macro_rules! is detected as unsupported (not a function definition)
    assert!(
        !output.status.success(),
        "macro_rules! should fail. Exit: {:?}",
        output.status.code(),
    );
    assert!(
        stderr.contains("error") || stderr.contains("Only functions"),
        "Should mention error or function restriction. Got: {}",
        stderr
    );
}