batless 0.7.0

A fast, non-blocking code and text viewer inspired by bat
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

//! Additional CLI integration tests to improve coverage for main.rs and `config_manager.rs`
//! Focuses on edge cases, error handling, and command combinations not covered elsewhere

use std::io::Write;
use std::process::Command;
use tempfile::NamedTempFile;

fn batless_command() -> Command {
    Command::new(env!("CARGO_BIN_EXE_batless"))
}

fn run_batless_args(args: &[&str]) -> std::process::Output {
    batless_command()
        .args(args)
        .output()
        .expect("Failed to execute batless")
}

#[test]
fn test_version_json_command() {
    let output = run_batless_args(&["--version-json"]);
    assert!(output.status.success(), "Command should succeed");

    let stdout_str = String::from_utf8(output.stdout).expect("Valid UTF-8 output");
    assert!(stdout_str.contains("\"name\""), "Should contain name field");
    assert!(
        stdout_str.contains("\"version\""),
        "Should contain version field"
    );
    assert!(
        stdout_str.contains("\"git_hash\""),
        "Should contain git_hash field"
    );
    assert!(
        stdout_str.contains("\"build_timestamp\""),
        "Should contain build_timestamp field"
    );
    assert!(
        stdout_str.contains("\"authors\""),
        "Should contain authors field"
    );

    // Verify it's valid JSON
    let parsed: serde_json::Value =
        serde_json::from_str(&stdout_str).expect("Output should be valid JSON");
    assert!(parsed.is_object(), "Should be a JSON object");
}

#[test]
fn test_cli_with_max_lines_zero() {
    let mut temp_file = NamedTempFile::new().expect("Failed to create temp file");
    writeln!(temp_file, "line1\nline2\nline3").expect("Failed to write to temp file");
    let temp_path = temp_file.path().to_str().expect("Invalid temp path");

    let output = run_batless_args(&["--max-lines", "0", temp_path]);
    assert!(
        !output.status.success(),
        "Command should fail with max-lines=0"
    );

    let stderr_str = String::from_utf8(output.stderr).expect("Valid UTF-8 output");
    assert!(
        stderr_str.contains("validation"),
        "Should show validation error"
    );
}

#[test]
fn test_cli_with_max_bytes_zero() {
    let mut temp_file = NamedTempFile::new().expect("Failed to create temp file");
    writeln!(temp_file, "content").expect("Failed to write to temp file");
    let temp_path = temp_file.path().to_str().expect("Invalid temp path");

    let output = run_batless_args(&["--max-bytes", "0", temp_path]);
    assert!(
        !output.status.success(),
        "Command should fail with max-bytes=0"
    );

    let stderr_str = String::from_utf8(output.stderr).expect("Valid UTF-8 output");
    assert!(
        stderr_str.contains("validation"),
        "Should show validation error"
    );
}

#[test]
fn test_cli_with_invalid_language() {
    let mut temp_file = NamedTempFile::new().expect("Failed to create temp file");
    writeln!(temp_file, "content").expect("Failed to write to temp file");
    let temp_path = temp_file.path().to_str().expect("Invalid temp path");

    let output = run_batless_args(&["--language", "NonexistentLang", temp_path]);
    assert!(
        !output.status.success(),
        "Command should fail with invalid language"
    );

    let stderr_str = String::from_utf8(output.stderr).expect("Valid UTF-8 output");
    assert!(
        stderr_str.contains("Language not found") || stderr_str.contains("language"),
        "Should show language-related error"
    );
}

#[test]
fn test_error_message_formatting() {
    // Test that error messages are properly formatted
    let output = run_batless_args(&["nonexistent_file.txt"]);
    assert!(!output.status.success(), "Command should fail");

    let stderr_str = String::from_utf8(output.stderr).expect("Valid UTF-8 output");
    assert!(
        stderr_str.contains("Error"),
        "Should contain 'Error' prefix"
    );
    assert!(
        stderr_str.len() > 10,
        "Should contain meaningful error message"
    );
}

#[test]
fn test_completion_generation_all_shells() {
    // Test bash completion
    let output = run_batless_args(&["--generate-completions", "bash"]);
    assert!(
        output.status.success(),
        "Bash completion generation should succeed"
    );
    let stdout = String::from_utf8(output.stdout).expect("Valid UTF-8");
    assert!(!stdout.is_empty(), "Should generate bash completions");

    // Test zsh completion
    let output = run_batless_args(&["--generate-completions", "zsh"]);
    assert!(
        output.status.success(),
        "Zsh completion generation should succeed"
    );
    let stdout = String::from_utf8(output.stdout).expect("Valid UTF-8");
    assert!(!stdout.is_empty(), "Should generate zsh completions");

    // Test fish completion
    let output = run_batless_args(&["--generate-completions", "fish"]);
    assert!(
        output.status.success(),
        "Fish completion generation should succeed"
    );
    let stdout = String::from_utf8(output.stdout).expect("Valid UTF-8");
    assert!(!stdout.is_empty(), "Should generate fish completions");

    // Test PowerShell completion
    let output = run_batless_args(&["--generate-completions", "power-shell"]);
    assert!(
        output.status.success(),
        "PowerShell completion generation should succeed"
    );
    let stdout = String::from_utf8(output.stdout).expect("Valid UTF-8");
    assert!(!stdout.is_empty(), "Should generate PowerShell completions");
}