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// =============================================================================
// Copyright (c) 2026 Haixing Hu.
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0.
// =============================================================================
// facade.
//! Provider rename failure facts.
use crate::error::FsError;
use crate::rename::RenameFailureState;
/// Typed provider rename failure reserved for rename orchestration.
///
/// # Examples
///
/// ```rust
/// use qubit_fs::error::{FsError, FsErrorKind, FsOperation};
/// use qubit_fs::rename::RenameFailureState;
/// use qubit_fs::spi::SpiRenameFailure;
///
/// let failure = SpiRenameFailure::new(
/// FsError::new(FsErrorKind::NotFound, FsOperation::Rename, "missing"),
/// RenameFailureState::Unchanged,
/// );
/// assert_eq!(RenameFailureState::Unchanged, failure.state());
/// ```
pub struct SpiRenameFailure {
/// Provider failure with filesystem context.
error: Box<FsError>,
/// Provider-confirmed source and destination transition state.
state: RenameFailureState,
}
impl SpiRenameFailure {
/// Creates a typed provider rename failure.
///
/// # Parameters
/// - `error`: Provider failure with filesystem context.
/// - `state`: Provider-confirmed rename state.
///
/// # Returns
/// A failure containing both facts.
#[inline]
#[must_use]
pub fn new(error: FsError, state: RenameFailureState) -> Self {
Self {
error: Box::new(error),
state,
}
}
/// Returns the provider failure with filesystem context.
///
/// # Returns
/// A borrowed view of the contextual [`FsError`].
#[inline]
#[must_use]
pub fn error(&self) -> &FsError {
&self.error
}
/// Returns the typed rename state.
///
/// # Returns
/// The provider-confirmed rename state.
#[inline]
#[must_use]
pub const fn state(&self) -> RenameFailureState {
self.state
}
/// Returns the contained error.
///
/// # Returns
/// The provider error and confirmed rename state.
#[inline]
#[must_use]
pub fn into_parts(self) -> (FsError, RenameFailureState) {
(*self.error, self.state)
}
}
#[cfg(test)]
mod tests {
use super::SpiRenameFailure;
use crate::error::FsError;
use crate::error::FsErrorKind;
use crate::error::FsOperation;
use crate::rename::RenameFailureState;
#[test]
fn failure_facts_are_executed_at_runtime() {
let failure = SpiRenameFailure::new(
FsError::new(FsErrorKind::NotFound, FsOperation::Rename, "missing source"),
RenameFailureState::Indeterminate,
);
assert_eq!(failure.error().kind(), FsErrorKind::NotFound);
assert_eq!(failure.state(), RenameFailureState::Indeterminate);
let (error, state) = failure.into_parts();
assert_eq!(error.kind(), FsErrorKind::NotFound);
assert_eq!(state, RenameFailureState::Indeterminate);
}
}