stock-bot/libs/core/cache/test/namespaced-cache.test.ts
2025-06-26 16:12:27 -04:00

429 lines
12 KiB
TypeScript

import { beforeEach, describe, expect, it, mock } from 'bun:test';
import { CacheAdapter, NamespacedCache } from '../src/namespaced-cache';
import type { CacheProvider, ICache } from '../src/types';
describe('NamespacedCache', () => {
let mockCache: CacheProvider;
let namespacedCache: NamespacedCache;
beforeEach(() => {
// Create mock base cache
mockCache = {
get: mock(async () => null),
set: mock(async () => null),
del: mock(async () => {}),
exists: mock(async () => false),
clear: mock(async () => {}),
keys: mock(async () => []),
getStats: mock(() => ({
hits: 100,
misses: 20,
errors: 5,
hitRate: 0.83,
total: 120,
uptime: 3600,
})),
health: mock(async () => true),
waitForReady: mock(async () => {}),
isReady: mock(() => true),
};
// Create namespaced cache
namespacedCache = new NamespacedCache(mockCache, 'test-namespace');
});
describe('constructor', () => {
it('should set namespace and prefix correctly', () => {
expect(namespacedCache.getNamespace()).toBe('test-namespace');
expect(namespacedCache.getFullPrefix()).toBe('test-namespace:');
});
it('should handle empty namespace', () => {
const emptyNamespace = new NamespacedCache(mockCache, '');
expect(emptyNamespace.getNamespace()).toBe('');
expect(emptyNamespace.getFullPrefix()).toBe(':');
});
});
describe('get', () => {
it('should prefix key when getting', async () => {
const testData = { value: 'test' };
(mockCache.get as any).mockResolvedValue(testData);
const result = await namespacedCache.get('mykey');
expect(mockCache.get).toHaveBeenCalledWith('test-namespace:mykey');
expect(result).toEqual(testData);
});
it('should handle null values', async () => {
(mockCache.get as any).mockResolvedValue(null);
const result = await namespacedCache.get('nonexistent');
expect(mockCache.get).toHaveBeenCalledWith('test-namespace:nonexistent');
expect(result).toBeNull();
});
});
describe('set', () => {
it('should prefix key when setting with ttl number', async () => {
const value = { data: 'test' };
const ttl = 3600;
await namespacedCache.set('mykey', value, ttl);
expect(mockCache.set).toHaveBeenCalledWith('test-namespace:mykey', value, ttl);
});
it('should prefix key when setting with options object', async () => {
const value = 'test-value';
const options = { ttl: 7200 };
await namespacedCache.set('mykey', value, options);
expect(mockCache.set).toHaveBeenCalledWith('test-namespace:mykey', value, options);
});
it('should handle set without TTL', async () => {
const value = [1, 2, 3];
await namespacedCache.set('mykey', value);
expect(mockCache.set).toHaveBeenCalledWith('test-namespace:mykey', value, undefined);
});
});
describe('del', () => {
it('should prefix key when deleting', async () => {
await namespacedCache.del('mykey');
expect(mockCache.del).toHaveBeenCalledWith('test-namespace:mykey');
});
it('should handle multiple deletes', async () => {
await namespacedCache.del('key1');
await namespacedCache.del('key2');
expect(mockCache.del).toHaveBeenCalledTimes(2);
expect(mockCache.del).toHaveBeenCalledWith('test-namespace:key1');
expect(mockCache.del).toHaveBeenCalledWith('test-namespace:key2');
});
});
describe('exists', () => {
it('should prefix key when checking existence', async () => {
(mockCache.exists as any).mockResolvedValue(true);
const result = await namespacedCache.exists('mykey');
expect(mockCache.exists).toHaveBeenCalledWith('test-namespace:mykey');
expect(result).toBe(true);
});
it('should return false for non-existent keys', async () => {
(mockCache.exists as any).mockResolvedValue(false);
const result = await namespacedCache.exists('nonexistent');
expect(result).toBe(false);
});
});
describe('keys', () => {
it('should prefix pattern and strip prefix from results', async () => {
(mockCache.keys as any).mockResolvedValue([
'test-namespace:key1',
'test-namespace:key2',
'test-namespace:key3',
]);
const keys = await namespacedCache.keys('*');
expect(mockCache.keys).toHaveBeenCalledWith('test-namespace:*');
expect(keys).toEqual(['key1', 'key2', 'key3']);
});
it('should handle specific patterns', async () => {
(mockCache.keys as any).mockResolvedValue([
'test-namespace:user:123',
'test-namespace:user:456',
]);
const keys = await namespacedCache.keys('user:*');
expect(mockCache.keys).toHaveBeenCalledWith('test-namespace:user:*');
expect(keys).toEqual(['user:123', 'user:456']);
});
it('should filter out keys from other namespaces', async () => {
(mockCache.keys as any).mockResolvedValue([
'test-namespace:key1',
'other-namespace:key2',
'test-namespace:key3',
]);
const keys = await namespacedCache.keys('*');
expect(keys).toEqual(['key1', 'key3']);
});
it('should handle empty results', async () => {
(mockCache.keys as any).mockResolvedValue([]);
const keys = await namespacedCache.keys('nonexistent*');
expect(keys).toEqual([]);
});
});
describe('clear', () => {
it('should clear only namespaced keys', async () => {
(mockCache.keys as any).mockResolvedValue([
'test-namespace:key1',
'test-namespace:key2',
'test-namespace:key3',
]);
await namespacedCache.clear();
expect(mockCache.keys).toHaveBeenCalledWith('test-namespace:*');
expect(mockCache.del).toHaveBeenCalledTimes(3);
expect(mockCache.del).toHaveBeenCalledWith('key1');
expect(mockCache.del).toHaveBeenCalledWith('key2');
expect(mockCache.del).toHaveBeenCalledWith('key3');
});
it('should handle empty namespace', async () => {
(mockCache.keys as any).mockResolvedValue([]);
await namespacedCache.clear();
expect(mockCache.keys).toHaveBeenCalledWith('test-namespace:*');
expect(mockCache.del).not.toHaveBeenCalled();
});
});
describe('delegated methods', () => {
it('should delegate getStats', () => {
const stats = namespacedCache.getStats();
expect(mockCache.getStats).toHaveBeenCalled();
expect(stats).toEqual({
hits: 100,
misses: 20,
errors: 5,
hitRate: 0.83,
total: 120,
uptime: 3600,
});
});
it('should delegate health', async () => {
const health = await namespacedCache.health();
expect(mockCache.health).toHaveBeenCalled();
expect(health).toBe(true);
});
it('should delegate waitForReady', async () => {
await namespacedCache.waitForReady(5000);
expect(mockCache.waitForReady).toHaveBeenCalledWith(5000);
});
it('should delegate isReady', () => {
const ready = namespacedCache.isReady();
expect(mockCache.isReady).toHaveBeenCalled();
expect(ready).toBe(true);
});
});
describe('edge cases', () => {
it('should handle special characters in namespace', () => {
const specialNamespace = new NamespacedCache(mockCache, 'test:namespace:with:colons');
expect(specialNamespace.getFullPrefix()).toBe('test:namespace:with:colons:');
});
it('should handle very long keys', async () => {
const longKey = 'a'.repeat(1000);
await namespacedCache.get(longKey);
expect(mockCache.get).toHaveBeenCalledWith(`test-namespace:${longKey}`);
});
it('should handle errors from underlying cache', async () => {
const error = new Error('Cache error');
(mockCache.get as any).mockRejectedValue(error);
await expect(namespacedCache.get('key')).rejects.toThrow('Cache error');
});
});
});
describe('CacheAdapter', () => {
let mockICache: ICache;
let adapter: CacheAdapter;
beforeEach(() => {
mockICache = {
get: mock(async () => null),
set: mock(async () => {}),
del: mock(async () => {}),
exists: mock(async () => false),
clear: mock(async () => {}),
keys: mock(async () => []),
ping: mock(async () => true),
isConnected: mock(() => true),
has: mock(async () => false),
ttl: mock(async () => -1),
type: 'memory' as const,
};
adapter = new CacheAdapter(mockICache);
});
describe('get', () => {
it('should delegate to ICache.get', async () => {
const data = { value: 'test' };
(mockICache.get as any).mockResolvedValue(data);
const result = await adapter.get('key');
expect(mockICache.get).toHaveBeenCalledWith('key');
expect(result).toEqual(data);
});
});
describe('set', () => {
it('should handle TTL as number', async () => {
await adapter.set('key', 'value', 3600);
expect(mockICache.set).toHaveBeenCalledWith('key', 'value', 3600);
});
it('should handle TTL as options object', async () => {
await adapter.set('key', 'value', { ttl: 7200 });
expect(mockICache.set).toHaveBeenCalledWith('key', 'value', 7200);
});
it('should handle no TTL', async () => {
await adapter.set('key', 'value');
expect(mockICache.set).toHaveBeenCalledWith('key', 'value', undefined);
});
it('should always return null', async () => {
const result = await adapter.set('key', 'value');
expect(result).toBeNull();
});
});
describe('del', () => {
it('should delegate to ICache.del', async () => {
await adapter.del('key');
expect(mockICache.del).toHaveBeenCalledWith('key');
});
});
describe('exists', () => {
it('should delegate to ICache.exists', async () => {
(mockICache.exists as any).mockResolvedValue(true);
const result = await adapter.exists('key');
expect(mockICache.exists).toHaveBeenCalledWith('key');
expect(result).toBe(true);
});
});
describe('clear', () => {
it('should delegate to ICache.clear', async () => {
await adapter.clear();
expect(mockICache.clear).toHaveBeenCalled();
});
});
describe('keys', () => {
it('should delegate to ICache.keys', async () => {
const keys = ['key1', 'key2'];
(mockICache.keys as any).mockResolvedValue(keys);
const result = await adapter.keys('*');
expect(mockICache.keys).toHaveBeenCalledWith('*');
expect(result).toEqual(keys);
});
});
describe('getStats', () => {
it('should return default stats', () => {
const stats = adapter.getStats();
expect(stats).toEqual({
hits: 0,
misses: 0,
errors: 0,
hitRate: 0,
total: 0,
uptime: expect.any(Number),
});
});
});
describe('health', () => {
it('should use ping for health check', async () => {
(mockICache.ping as any).mockResolvedValue(true);
const result = await adapter.health();
expect(mockICache.ping).toHaveBeenCalled();
expect(result).toBe(true);
});
it('should handle ping failures', async () => {
(mockICache.ping as any).mockResolvedValue(false);
const result = await adapter.health();
expect(result).toBe(false);
});
});
describe('waitForReady', () => {
it('should succeed if connected', async () => {
(mockICache.isConnected as any).mockReturnValue(true);
await expect(adapter.waitForReady()).resolves.toBeUndefined();
});
it('should throw if not connected', async () => {
(mockICache.isConnected as any).mockReturnValue(false);
await expect(adapter.waitForReady()).rejects.toThrow('Cache not connected');
});
});
describe('isReady', () => {
it('should delegate to isConnected', () => {
(mockICache.isConnected as any).mockReturnValue(true);
const result = adapter.isReady();
expect(mockICache.isConnected).toHaveBeenCalled();
expect(result).toBe(true);
});
it('should return false when not connected', () => {
(mockICache.isConnected as any).mockReturnValue(false);
const result = adapter.isReady();
expect(result).toBe(false);
});
});
});