qbrsh 0.1.0

A fast, keyboard-driven web browser
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

//! Configuration file loading.
//!
//! Reads `~/.config/qbrsh/config.toml` (or `$XDG_CONFIG_HOME`), falling back to
//! defaults when the file is missing or invalid. Reload is command-driven
//! (`:config-source`); there is no file watcher.

use std::path::PathBuf;

use crate::core::state::Config;

/// Path to the user config file.
pub fn config_path() -> Option<PathBuf> {
    directories::ProjectDirs::from("", "", "qbrsh").map(|p| p.config_dir().join("config.toml"))
}

/// Load configuration, falling back to defaults on any error.
pub fn load() -> Config {
    let Some(path) = config_path() else {
        return Config::default();
    };
    let Ok(text) = std::fs::read_to_string(&path) else {
        return Config::default();
    };
    match toml::from_str(&text) {
        Ok(config) => config,
        Err(e) => {
            eprintln!("[qbrsh] config: {}: {e}", path.display());
            Config::default()
        }
    }
}

#[cfg(test)]
mod tests {
    use crate::core::state::Config;

    #[test]
    fn partial_toml_fills_defaults() {
        let toml = "homepage = \"https://x.test\"\n[colors]\naccent = \"#abcdef\"\n";
        let c: Config = toml::from_str(toml).unwrap();
        assert_eq!(c.homepage, "https://x.test");
        assert_eq!(c.colors.accent, "#abcdef");
        // Unspecified fields keep their defaults.
        assert_eq!(c.colors.background, Config::default().colors.background);
        assert_eq!(c.font.size, Config::default().font.size);
    }

    #[test]
    fn set_updates_known_keys_and_rejects_unknown() {
        let mut c = Config::default();
        assert!(c.set("colors.accent", "#123456").is_ok());
        assert_eq!(c.colors.accent, "#123456");
        assert!(c.set("font.size", "14").is_ok());
        assert_eq!(c.font.size, 14);
        assert!(c.set("font.size", "huge").is_err());
        assert!(c.set("nope.key", "x").is_err());
    }

    #[test]
    fn per_site_permission_lookup() {
        use crate::core::state::PermissionPolicy;
        let mut c = Config::default();
        // Default policy is deny.
        assert_eq!(
            c.permissions.policy_for("example.com"),
            PermissionPolicy::Deny
        );
        assert!(c.set("permissions.github.com", "allow").is_ok());
        assert_eq!(
            c.permissions.policy_for("github.com"),
            PermissionPolicy::Allow
        );
        // Subdomains inherit the site rule by suffix.
        assert_eq!(
            c.permissions.policy_for("gist.github.com"),
            PermissionPolicy::Allow
        );
        assert_eq!(c.permissions.policy_for("other.com"), PermissionPolicy::Deny);
        assert!(c.set("permissions.default", "ask").is_ok());
        assert_eq!(c.permissions.default, PermissionPolicy::Ask);
        assert!(c.set("permissions.x", "bogus").is_err());
    }
}