qubit-batch 0.7.2

One-shot batch execution and processing with sequential and scoped parallel utilities
Documentation 
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/*******************************************************************************
 *
 *    Copyright (c) 2025 - 2026 Haixing Hu.
 *
 *    SPDX-License-Identifier: Apache-2.0
 *
 *    Licensed under the Apache License, Version 2.0.
 *
 ******************************************************************************/
//! Behavioral coverage for execution state accounting.

use std::time::Duration;

use qubit_batch::{
    BatchExecutionState,
    BatchExecutor,
    BatchTaskError,
    SequentialBatchExecutor,
};

use crate::support::TestTask;

#[test]
fn test_batch_execution_state_counts_success_failure_and_panic() {
    let executor = SequentialBatchExecutor::new();
    let tasks = vec![
        TestTask::succeed(),
        TestTask::fail("failed"),
        TestTask::panic("panic in execution state"),
    ];

    let outcome = executor
        .execute(tasks, 3)
        .expect("task-level failures should stay in the outcome");

    assert_eq!(outcome.task_count(), 3);
    assert_eq!(outcome.completed_count(), 3);
    assert_eq!(outcome.succeeded_count(), 1);
    assert_eq!(outcome.failed_count(), 1);
    assert_eq!(outcome.panicked_count(), 1);
    assert_eq!(outcome.failure_count(), 2);
    assert_eq!(outcome.failures()[0].index(), 1);
    assert_eq!(outcome.failures()[1].index(), 2);
}

#[test]
fn test_batch_execution_state_public_api_builds_outcome() {
    let state = BatchExecutionState::<&'static str>::new(2);

    assert_eq!(state.progress_counters().total_count(), Some(2));
    assert_eq!(state.record_task_observed(), 1);
    state.record_task_started();
    state.record_task_succeeded();
    assert_eq!(state.record_task_observed(), 2);
    state.record_task_started();
    state.record_task_panicked(1, BatchTaskError::panicked("boom"));

    let counters = state.progress_counters();
    assert_eq!(counters.completed_count(), 2);
    assert_eq!(counters.succeeded_count(), 1);
    assert_eq!(counters.failed_count(), 1);

    let outcome = state.into_outcome(Duration::from_millis(7));
    assert_eq!(outcome.task_count(), 2);
    assert_eq!(outcome.completed_count(), 2);
    assert_eq!(outcome.succeeded_count(), 1);
    assert_eq!(outcome.panicked_count(), 1);
    assert_eq!(outcome.elapsed(), Duration::from_millis(7));
    assert_eq!(outcome.failures()[0].index(), 1);
    assert_eq!(outcome.failures()[0].error().panic_message(), Some("boom"));
}