/**
 * Structural-equivalence tests for the background-job contracts.
 *
 * Pins the literal shape of {@link BackgroundJobStatus} promoted in
 * Phase 0c (T9955) so accidental narrowing or widening triggers a
 * compile-time failure during `tsc -b` in the CI gate.
 *
 * @since SG-ARCH-SOLID Saga T9831 · E-CONTRACTS-FOUNDATION T9832 · T9955 (Phase 0c)
 */
import { describe, expect, it } from 'vitest';
// ─── Runtime constructibility smoke ─────────────────────────────────
describe('jobs contracts', () => {
    it('BackgroundJobStatus enumerates the 6 documented lifecycle states', () => {
        const all = [
            'pending',
            'running',
            'complete',
            'failed',
            'cancelled',
            'orphaned',
        ];
        expect(all).toHaveLength(6);
    });
    it('BackgroundJobStatus distinguishes terminal from in-flight states', () => {
        const terminal = ['complete', 'failed', 'cancelled', 'orphaned'];
        const inFlight = ['pending', 'running'];
        expect(terminal).toHaveLength(4);
        expect(inFlight).toHaveLength(2);
    });
    it('Every BackgroundJobStatus is a non-empty string literal', () => {
        const statuses = [
            'pending',
            'running',
            'complete',
            'failed',
            'cancelled',
            'orphaned',
        ];
        for (const s of statuses) {
            expect(s.length).toBeGreaterThan(0);
        }
    });
    it('compile-time pin is wired (no-op at runtime)', () => {
        const pinned = 1;
        expect(pinned).toBe(1);
    });
});
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