cve-dashboard/frontend/src/__tests__/ivanti-queue-remediation-badge.property.test.js

/**
 * Property-Based Test: Note Count Badge Formatting
 *
 * Feature: ivanti-queue-remediation
 * Property 12: Note count badge formatting
 *
 * For any integer count N where N > 0, the badge display SHALL show the string
 * representation of N when N <= 99, and "99+" when N > 99. For N = 0, no badge
 * SHALL be displayed.
 *
 * **Validates: Requirements 6.1, 6.2**
 */
import fc from 'fast-check';

// ---------------------------------------------------------------------------
// Pure function under test — extracted badge display logic
// ---------------------------------------------------------------------------

/**
 * Determines the badge display value for a given note count.
 * Returns null when no badge should be shown (count = 0).
 *
 * @param {number} count - The number of remediation notes
 * @returns {string|null} The badge text, or null if no badge
 */
function formatBadgeCount(count) {
    if (count <= 0) return null;
    if (count > 99) return '99+';
    return String(count);
}

// ---------------------------------------------------------------------------
// Property 12: Note count badge formatting
// ---------------------------------------------------------------------------
describe('Feature: ivanti-queue-remediation, Property 12: Note count badge formatting', () => {
    it('displays the exact count for N where 1 <= N <= 99', () => {
        fc.assert(
            fc.property(
                fc.integer({ min: 1, max: 99 }),
                (count) => {
                    const badge = formatBadgeCount(count);
                    expect(badge).toBe(String(count));
                }
            ),
            { numRuns: 100 }
        );
    });

    it('displays "99+" for any count exceeding 99', () => {
        fc.assert(
            fc.property(
                fc.integer({ min: 100, max: 100000 }),
                (count) => {
                    const badge = formatBadgeCount(count);
                    expect(badge).toBe('99+');
                }
            ),
            { numRuns: 100 }
        );
    });

    it('returns null (no badge) for count = 0', () => {
        const badge = formatBadgeCount(0);
        expect(badge).toBeNull();
    });

    it('returns null (no badge) for negative counts', () => {
        fc.assert(
            fc.property(
                fc.integer({ min: -1000, max: 0 }),
                (count) => {
                    const badge = formatBadgeCount(count);
                    expect(badge).toBeNull();
                }
            ),
            { numRuns: 100 }
        );
    });
});