apcore 0.20.0

Schema-driven module standard for AI-perceivable interfaces
Documentation 
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//! Tests for CancelToken — cooperative cancellation primitives.

use apcore::cancel::CancelToken;

#[test]
fn test_new_token_is_not_cancelled() {
    let token = CancelToken::new();
    assert!(!token.is_cancelled());
}

#[test]
fn test_cancel_sets_flag() {
    let token = CancelToken::new();
    token.cancel();
    assert!(token.is_cancelled());
}

#[test]
fn test_cancel_is_idempotent() {
    let token = CancelToken::new();
    token.cancel();
    token.cancel(); // second call must not panic
    assert!(token.is_cancelled());
}

#[test]
fn test_clone_shares_state() {
    let token = CancelToken::new();
    let clone = token.clone();

    assert!(!clone.is_cancelled());
    token.cancel();
    // clone sees the same cancellation
    assert!(clone.is_cancelled());
}

#[test]
fn test_clone_cancels_original() {
    let token = CancelToken::new();
    let clone = token.clone();

    clone.cancel();
    assert!(token.is_cancelled());
}

#[test]
fn test_default_is_not_cancelled() {
    let token = CancelToken::default();
    assert!(!token.is_cancelled());
}

#[test]
fn test_multiple_clones_share_state() {
    let t1 = CancelToken::new();
    let t2 = t1.clone();
    let t3 = t2.clone();

    assert!(!t3.is_cancelled());
    t1.cancel();
    assert!(t2.is_cancelled());
    assert!(t3.is_cancelled());
}

// ---------------------------------------------------------------------------
// Sync CANCEL-001 — typed Result from check()
// ---------------------------------------------------------------------------

#[test]
fn test_check_returns_typed_execution_cancelled_error() {
    use apcore::cancel::ExecutionCancelledError;
    use apcore::errors::{ErrorCode, ModuleError};

    let token = CancelToken::new();
    // Before cancellation: Ok.
    assert!(token.check().is_ok());

    token.cancel();
    // After cancellation: a typed ExecutionCancelledError that we can match on
    // — pattern proves the return type is `Result<(), ExecutionCancelledError>`.
    match token.check() {
        Err(ExecutionCancelledError {
            ref message,
            ref module_id,
        }) => {
            assert!(!message.is_empty());
            assert!(!module_id.is_empty());
        }
        Ok(()) => panic!("expected typed cancel error after cancel()"),
    }

    // Widening back to ModuleError must work via the From impl.
    let cancelled = token.check().unwrap_err();
    let me: ModuleError = cancelled.into();
    assert_eq!(me.code, ErrorCode::ExecutionCancelled);
}

#[test]
fn test_check_for_carries_module_id() {
    use apcore::cancel::ExecutionCancelledError;

    let token = CancelToken::new();
    token.cancel();
    let err: ExecutionCancelledError = token.check_for("ns.target").unwrap_err();
    assert_eq!(err.module_id, "ns.target");
}