44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
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//! Explicit data-directory isolation for portable use and native release QA.
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//! Ordinary launches continue to use the operating system's app-data directory.
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use std::{ffi::OsString, io, path::PathBuf};
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pub fn resolve(default: PathBuf, override_path: Option<OsString>) -> io::Result<PathBuf> {
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let Some(value) = override_path else {
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return Ok(default);
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};
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let path = PathBuf::from(value);
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if !path.is_absolute() || path.as_os_str().len() > 32768 {
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return Err(io::Error::new(
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io::ErrorKind::InvalidInput,
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"SEARCHI_DATA_DIR must be an absolute bounded directory path",
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));
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}
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Ok(path)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn explicit_directory_isolates_settings_and_index_without_changing_default() {
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let default = std::env::temp_dir().join("searchi-default");
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let isolated = std::env::temp_dir().join("searchi-isolated");
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assert_eq!(resolve(default.clone(), None).unwrap(), default);
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assert_eq!(
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resolve(default, Some(isolated.clone().into_os_string())).unwrap(),
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isolated
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);
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}
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#[test]
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fn invalid_override_is_rejected_without_falling_back_to_user_data() {
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let default = std::env::temp_dir().join("searchi-default");
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for value in [OsString::new(), OsString::from("relative/data")] {
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assert_eq!(
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resolve(default.clone(), Some(value)).unwrap_err().kind(),
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io::ErrorKind::InvalidInput
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);
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}
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}
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}
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