image_optimizer/cli/
cli_args.rs

1use clap::Parser;
2use std::path::PathBuf;
3
4#[derive(Parser)]
5#[command(name = "image-optimizer")]
6#[command(about = "CLI tool for optimizing images (JPEG, PNG, WebP)")]
7#[command(version = env!("CARGO_PKG_VERSION"))]
8#[allow(clippy::struct_excessive_bools)]
9pub struct Cli {
10    /// Input directory or file to process
11    #[arg(short, long)]
12    pub input: Option<PathBuf>,
13
14    /// Output directory (if not specified, optimizes in place)
15    #[arg(short, long)]
16    pub output: Option<PathBuf>,
17
18    /// Create backup files (.bak)
19    #[arg(long)]
20    pub backup: bool,
21
22    /// Use lossless compression
23    #[arg(long)]
24    pub lossless: bool,
25
26    /// JPEG quality (1-100), ignored if lossless is set
27    #[arg(short, long, default_value = "85")]
28    pub quality: u8,
29
30    /// Recursively scan subdirectories
31    #[arg(short, long)]
32    pub recursive: bool,
33
34    /// Maximum size for the longer edge (resizes if larger)
35    #[arg(long)]
36    pub max_size: Option<u32>,
37
38    /// Update to the latest version
39    #[arg(long)]
40    pub update: bool,
41}
42
43#[cfg(test)]
44mod tests {
45    use super::*;
46    use clap::CommandFactory;
47
48    #[test]
49    fn test_cli_defaults() {
50        let cli = Cli::parse_from(&["image-optimizer"]);
51        assert_eq!(cli.input, None);
52        assert_eq!(cli.output, None);
53        assert!(!cli.backup);
54        assert!(!cli.lossless);
55        assert_eq!(cli.quality, 85);
56        assert!(!cli.recursive);
57        assert_eq!(cli.max_size, None);
58        assert!(!cli.update);
59    }
60
61    #[test]
62    fn test_cli_with_input() {
63        let cli = Cli::parse_from(&["image-optimizer", "-i", "/path/to/images"]);
64        assert_eq!(cli.input, Some(PathBuf::from("/path/to/images")));
65    }
66
67    #[test]
68    fn test_cli_with_all_flags() {
69        let cli = Cli::parse_from(&[
70            "image-optimizer",
71            "-i",
72            "/input",
73            "-o",
74            "/output",
75            "--backup",
76            "--lossless",
77            "-q",
78            "90",
79            "--recursive",
80            "--max-size",
81            "1024",
82            "--update",
83        ]);
84
85        assert_eq!(cli.input, Some(PathBuf::from("/input")));
86        assert_eq!(cli.output, Some(PathBuf::from("/output")));
87        assert!(cli.backup);
88        assert!(cli.lossless);
89        assert_eq!(cli.quality, 90);
90        assert!(cli.recursive);
91        assert_eq!(cli.max_size, Some(1024));
92        assert!(cli.update);
93    }
94
95    #[test]
96    fn test_cli_quality_bounds() {
97        let cli = Cli::parse_from(&["image-optimizer", "-q", "1"]);
98        assert_eq!(cli.quality, 1);
99
100        let cli = Cli::parse_from(&["image-optimizer", "-q", "100"]);
101        assert_eq!(cli.quality, 100);
102    }
103
104    #[test]
105    fn test_cli_help_generation() {
106        let mut cmd = Cli::command();
107        let help = cmd.render_help();
108        assert!(help.to_string().contains("CLI tool for optimizing images"));
109    }
110}
image_optimizer/cli/cli_args.rs

image_optimizer/cli/
cli_args.rs
