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import { test, expect } from 'bun:test';
import { generateInstanceId } from '../scripts/cache/lock';
import type { CacheLock } from '../scripts/cache/utils';
test('generateInstanceId returns non-empty string', () => {
const id = generateInstanceId();
expect(typeof id).toBe('string');
expect(id.length).toBeGreaterThan(0);
});
test('generateInstanceId includes timestamp', () => {
const before = Date.now();
const id = generateInstanceId();
const after = Date.now();
const timestampPart = id.split('-')[0];
const timestamp = parseInt(timestampPart, 10);
expect(timestamp).toBeGreaterThanOrEqual(before);
expect(timestamp).toBeLessThanOrEqual(after);
});
test('generateInstanceId includes random component', () => {
const id1 = generateInstanceId();
const id2 = generateInstanceId();
expect(id1).not.toBe(id2);
});
test('generateInstanceId format is timestamp-randomstring', () => {
const id = generateInstanceId();
const parts = id.split('-');
expect(parts.length).toBe(2);
const [timestamp, random] = parts;
expect(timestamp).toMatch(/^\d+$/);
expect(random).toMatch(/^[a-z0-9]+$/);
expect(random.length).toBeGreaterThan(0);
expect(random.length).toBeLessThan(10);
});
// Helper function to test isLockStale logic (since it's private)
function isLockStale(lock: CacheLock, currentHostname: string): boolean {
const lockAge = Date.now() - lock.timestamp;
const timeSinceRenewal = lock.renewedAt ? Date.now() - lock.renewedAt : lockAge;
// Check 1: Timestamp-based staleness (30 minutes)
if (timeSinceRenewal > 30 * 60 * 1000) {
return true;
}
// Check 2: Process-based staleness (only on same machine)
if (lock.hostname === currentHostname) {
// For testing, assume process doesn't exist if pid is -1
if (lock.pid === -1) {
return true;
}
}
return false;
}
test('isLockStale returns true for old lock (over 30 minutes)', () => {
const lock: CacheLock = {
locked: true,
timestamp: Date.now() - 31 * 60 * 1000, // 31 minutes ago
instance: 'test-instance',
ttl: 30 * 60 * 1000,
pid: 12345,
hostname: 'test-host'
};
expect(isLockStale(lock, 'test-host')).toBe(true);
});
test('isLockStale returns false for recent lock (under 30 minutes)', () => {
const lock: CacheLock = {
locked: true,
timestamp: Date.now() - 29 * 60 * 1000, // 29 minutes ago
instance: 'test-instance',
ttl: 30 * 60 * 1000,
pid: 12345,
hostname: 'test-host'
};
expect(isLockStale(lock, 'test-host')).toBe(false);
});
test('isLockStale respects renewedAt timestamp', () => {
const now = Date.now();
const lock: CacheLock = {
locked: true,
timestamp: now - 40 * 60 * 1000, // 40 minutes ago
instance: 'test-instance',
ttl: 30 * 60 * 1000,
renewedAt: now - 10 * 60 * 1000, // Renewed 10 minutes ago
pid: 12345,
hostname: 'test-host'
};
expect(isLockStale(lock, 'test-host')).toBe(false);
});
test('isLockStale returns true when lock on same host but process dead', () => {
const lock: CacheLock = {
locked: true,
timestamp: Date.now() - 10 * 60 * 1000, // 10 minutes ago
instance: 'test-instance',
ttl: 30 * 60 * 1000,
pid: -1, // Simulate dead process
hostname: 'test-host'
};
expect(isLockStale(lock, 'test-host')).toBe(true);
});
test('isLockStale returns false when lock on different host (even if old process)', () => {
const lock: CacheLock = {
locked: true,
timestamp: Date.now() - 10 * 60 * 1000,
instance: 'test-instance',
ttl: 30 * 60 * 1000,
pid: -1,
hostname: 'different-host'
};
expect(isLockStale(lock, 'test-host')).toBe(false);
});
test('isLockStale handles missing renewedAt', () => {
const lock: CacheLock = {
locked: true,
timestamp: Date.now() - 35 * 60 * 1000, // 35 minutes ago
instance: 'test-instance',
ttl: 30 * 60 * 1000,
pid: 12345,
hostname: 'test-host'
};
expect(isLockStale(lock, 'test-host')).toBe(true);
});
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