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| 1 | +// SPDX-FileCopyrightText: 2026 Andrei G <bug-ops> |
| 2 | +// SPDX-License-Identifier: MIT OR Apache-2.0 |
| 3 | + |
| 4 | +use std::path::PathBuf; |
| 5 | + |
| 6 | +use serde::{Deserialize, Serialize}; |
| 7 | + |
| 8 | +use crate::subagent::HookDef; |
| 9 | + |
| 10 | +fn default_debounce_ms() -> u64 { |
| 11 | + 500 |
| 12 | +} |
| 13 | + |
| 14 | +/// Configuration for hooks triggered when watched files change. |
| 15 | +#[derive(Debug, Clone, Deserialize, Serialize)] |
| 16 | +#[serde(default)] |
| 17 | +pub struct FileChangedConfig { |
| 18 | + /// Paths to watch for changes. Resolved relative to the project root (cwd at startup). |
| 19 | + pub watch_paths: Vec<PathBuf>, |
| 20 | + /// Debounce interval in milliseconds. Default: 500. |
| 21 | + #[serde(default = "default_debounce_ms")] |
| 22 | + pub debounce_ms: u64, |
| 23 | + /// Hooks fired when a watched file changes. |
| 24 | + #[serde(default)] |
| 25 | + pub hooks: Vec<HookDef>, |
| 26 | +} |
| 27 | + |
| 28 | +impl Default for FileChangedConfig { |
| 29 | + fn default() -> Self { |
| 30 | + Self { |
| 31 | + watch_paths: Vec::new(), |
| 32 | + debounce_ms: default_debounce_ms(), |
| 33 | + hooks: Vec::new(), |
| 34 | + } |
| 35 | + } |
| 36 | +} |
| 37 | + |
| 38 | +/// Top-level hooks configuration section. |
| 39 | +#[derive(Debug, Clone, Default, Deserialize, Serialize)] |
| 40 | +#[serde(default)] |
| 41 | +pub struct HooksConfig { |
| 42 | + /// Hooks fired when the agent's working directory changes via `set_working_directory`. |
| 43 | + pub cwd_changed: Vec<HookDef>, |
| 44 | + /// File-change watcher configuration with associated hooks. |
| 45 | + pub file_changed: Option<FileChangedConfig>, |
| 46 | +} |
| 47 | + |
| 48 | +impl HooksConfig { |
| 49 | + #[must_use] |
| 50 | + pub fn is_empty(&self) -> bool { |
| 51 | + self.cwd_changed.is_empty() && self.file_changed.is_none() |
| 52 | + } |
| 53 | +} |
| 54 | + |
| 55 | +#[cfg(test)] |
| 56 | +mod tests { |
| 57 | + use super::*; |
| 58 | + use crate::subagent::HookType; |
| 59 | + |
| 60 | + #[test] |
| 61 | + fn hooks_config_default_is_empty() { |
| 62 | + let cfg = HooksConfig::default(); |
| 63 | + assert!(cfg.is_empty()); |
| 64 | + } |
| 65 | + |
| 66 | + #[test] |
| 67 | + fn file_changed_config_default_debounce() { |
| 68 | + let cfg = FileChangedConfig::default(); |
| 69 | + assert_eq!(cfg.debounce_ms, 500); |
| 70 | + assert!(cfg.watch_paths.is_empty()); |
| 71 | + assert!(cfg.hooks.is_empty()); |
| 72 | + } |
| 73 | + |
| 74 | + #[test] |
| 75 | + fn hooks_config_parses_from_toml() { |
| 76 | + let toml = r#" |
| 77 | +[[cwd_changed]] |
| 78 | +type = "command" |
| 79 | +command = "echo changed" |
| 80 | +timeout_secs = 10 |
| 81 | +fail_closed = false |
| 82 | +
|
| 83 | +[file_changed] |
| 84 | +watch_paths = ["src/", "Cargo.toml"] |
| 85 | +debounce_ms = 300 |
| 86 | +[[file_changed.hooks]] |
| 87 | +type = "command" |
| 88 | +command = "cargo check" |
| 89 | +timeout_secs = 30 |
| 90 | +fail_closed = false |
| 91 | +"#; |
| 92 | + let cfg: HooksConfig = toml::from_str(toml).unwrap(); |
| 93 | + assert_eq!(cfg.cwd_changed.len(), 1); |
| 94 | + assert_eq!(cfg.cwd_changed[0].command, "echo changed"); |
| 95 | + assert_eq!(cfg.cwd_changed[0].hook_type, HookType::Command); |
| 96 | + let fc = cfg.file_changed.as_ref().unwrap(); |
| 97 | + assert_eq!(fc.watch_paths.len(), 2); |
| 98 | + assert_eq!(fc.debounce_ms, 300); |
| 99 | + assert_eq!(fc.hooks.len(), 1); |
| 100 | + assert_eq!(fc.hooks[0].command, "cargo check"); |
| 101 | + } |
| 102 | + |
| 103 | + #[test] |
| 104 | + fn hooks_config_not_empty_with_cwd_hooks() { |
| 105 | + let cfg = HooksConfig { |
| 106 | + cwd_changed: vec![HookDef { |
| 107 | + hook_type: HookType::Command, |
| 108 | + command: "echo hi".into(), |
| 109 | + timeout_secs: 10, |
| 110 | + fail_closed: false, |
| 111 | + }], |
| 112 | + file_changed: None, |
| 113 | + }; |
| 114 | + assert!(!cfg.is_empty()); |
| 115 | + } |
| 116 | +} |
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