stock-bot/libs/core/queue/test/batch-processor.test.ts
2025-06-25 11:38:23 -04:00

311 lines
9 KiB
TypeScript

import { beforeEach, describe, expect, it, mock, type Mock } from 'bun:test';
import type { Logger } from '@stock-bot/logger';
import { processBatchJob, processItems } from '../src/batch-processor';
import type { BatchJobData, ProcessOptions, Queue, QueueManager } from '../src/types';
describe('Batch Processor', () => {
type MockLogger = {
info: Mock<(message: string, meta?: any) => void>;
error: Mock<(message: string, meta?: any) => void>;
warn: Mock<(message: string, meta?: any) => void>;
debug: Mock<(message: string, meta?: any) => void>;
trace: Mock<(message: string, meta?: any) => void>;
};
type MockQueue = {
add: Mock<(name: string, data: any, options?: any) => Promise<{ id: string }>>;
addBulk: Mock<
(jobs: Array<{ name: string; data: any; opts?: any }>) => Promise<Array<{ id: string }>>
>;
createChildLogger: Mock<(component: string, meta?: any) => MockLogger>;
getName: Mock<() => string>;
};
type MockQueueManager = {
getQueue: Mock<(name: string) => MockQueue>;
getCache: Mock<
(name: string) => {
get: Mock<(key: string) => Promise<any>>;
set: Mock<(key: string, value: any, ttl?: number) => Promise<void>>;
del: Mock<(key: string) => Promise<void>>;
}
>;
};
let mockLogger: MockLogger;
let mockQueue: MockQueue;
let mockQueueManager: MockQueueManager;
let mockCache: {
get: Mock<(key: string) => Promise<any>>;
set: Mock<(key: string, value: any, ttl?: number) => Promise<void>>;
del: Mock<(key: string) => Promise<void>>;
};
beforeEach(() => {
mockLogger = {
info: mock(() => {}),
error: mock(() => {}),
warn: mock(() => {}),
debug: mock(() => {}),
trace: mock(() => {}),
};
mockQueue = {
add: mock(async () => ({ id: 'job-123' })),
addBulk: mock(async jobs => jobs.map((_, i) => ({ id: `job-${i + 1}` }))),
createChildLogger: mock(() => mockLogger),
getName: mock(() => 'test-queue'),
};
mockCache = {
get: mock(async () => null),
set: mock(async () => {}),
del: mock(async () => {}),
};
mockQueueManager = {
getQueue: mock(() => mockQueue),
getCache: mock(() => mockCache),
};
});
describe('processBatchJob', () => {
it('should process all items successfully', async () => {
const batchData: BatchJobData = {
payloadKey: 'test-payload-key',
batchIndex: 0,
totalBatches: 1,
itemCount: 3,
totalDelayHours: 0,
};
// Mock the cached payload
const cachedPayload = {
items: ['item1', 'item2', 'item3'],
options: {
batchSize: 2,
concurrency: 1,
},
};
mockCache.get.mockImplementation(async () => cachedPayload);
const result = await processBatchJob(
batchData,
'test-queue',
mockQueueManager as unknown as QueueManager
);
expect(mockCache.get).toHaveBeenCalledWith('test-payload-key');
expect(mockQueue.addBulk).toHaveBeenCalled();
expect(result).toBeDefined();
});
it('should handle partial failures', async () => {
const batchData: BatchJobData = {
payloadKey: 'test-payload-key',
batchIndex: 0,
totalBatches: 1,
itemCount: 3,
totalDelayHours: 0,
};
// Mock the cached payload
const cachedPayload = {
items: ['item1', 'item2', 'item3'],
options: {},
};
mockCache.get.mockImplementation(async () => cachedPayload);
// Make addBulk throw an error to simulate failure
mockQueue.addBulk.mockImplementation(async () => {
throw new Error('Failed to add jobs');
});
// processBatchJob should still complete even if addBulk fails
const result = await processBatchJob(
batchData,
'test-queue',
mockQueueManager as unknown as QueueManager
);
expect(mockQueue.addBulk).toHaveBeenCalled();
// The error is logged in addJobsInChunks, not in processBatchJob
expect(mockLogger.error).toHaveBeenCalledWith('Failed to add job chunk', expect.any(Object));
});
it('should handle empty items', async () => {
const batchData: BatchJobData = {
payloadKey: 'test-payload-key',
batchIndex: 0,
totalBatches: 1,
itemCount: 0,
totalDelayHours: 0,
};
// Mock the cached payload with empty items
const cachedPayload = {
items: [],
options: {},
};
mockCache.get.mockImplementation(async () => cachedPayload);
const result = await processBatchJob(
batchData,
'test-queue',
mockQueueManager as unknown as QueueManager
);
expect(mockQueue.addBulk).not.toHaveBeenCalled();
expect(result).toBeDefined();
});
it('should track duration', async () => {
const batchData: BatchJobData = {
payloadKey: 'test-payload-key',
batchIndex: 0,
totalBatches: 1,
itemCount: 1,
totalDelayHours: 0,
};
// Mock the cached payload
const cachedPayload = {
items: ['item1'],
options: {},
};
mockCache.get.mockImplementation(async () => cachedPayload);
// Add delay to queue.add
mockQueue.add.mockImplementation(
() => new Promise(resolve => setTimeout(() => resolve({ id: 'job-1' }), 10))
);
const result = await processBatchJob(
batchData,
'test-queue',
mockQueueManager as unknown as QueueManager
);
expect(result).toBeDefined();
// The function doesn't return duration in its result
});
});
describe('processItems', () => {
it('should process items with default options', async () => {
const items = [1, 2, 3, 4, 5];
const options: ProcessOptions = { totalDelayHours: 0 };
const result = await processItems(
items,
'test-queue',
options,
mockQueueManager as unknown as QueueManager
);
expect(result.totalItems).toBe(5);
expect(result.jobsCreated).toBe(5);
expect(result.mode).toBe('direct');
expect(mockQueue.addBulk).toHaveBeenCalled();
});
it('should process items in batches', async () => {
const items = [1, 2, 3, 4, 5];
const options: ProcessOptions = {
totalDelayHours: 0,
useBatching: true,
batchSize: 2,
};
const result = await processItems(
items,
'test-queue',
options,
mockQueueManager as unknown as QueueManager
);
expect(result.totalItems).toBe(5);
expect(result.mode).toBe('batch');
// When batching is enabled, it creates batch jobs instead of individual jobs
expect(mockQueue.addBulk).toHaveBeenCalled();
});
it('should handle concurrent processing', async () => {
const items = [1, 2, 3, 4];
const options: ProcessOptions = {
totalDelayHours: 0,
};
const result = await processItems(
items,
'test-queue',
options,
mockQueueManager as unknown as QueueManager
);
expect(result.totalItems).toBe(4);
expect(result.jobsCreated).toBe(4);
expect(mockQueue.addBulk).toHaveBeenCalled();
});
it('should handle empty array', async () => {
const items: number[] = [];
const options: ProcessOptions = { totalDelayHours: 0 };
const result = await processItems(
items,
'test-queue',
options,
mockQueueManager as unknown as QueueManager
);
expect(result.totalItems).toBe(0);
expect(result.jobsCreated).toBe(0);
expect(result.mode).toBe('direct');
expect(mockQueue.addBulk).not.toHaveBeenCalled();
});
it('should propagate errors', async () => {
const items = [1, 2, 3];
const options: ProcessOptions = { totalDelayHours: 0 };
// Make queue.addBulk throw an error
mockQueue.addBulk.mockImplementation(async () => {
throw new Error('Process error');
});
// processItems catches errors and continues, so it won't reject
const result = await processItems(
items,
'test-queue',
options,
mockQueueManager as unknown as QueueManager
);
expect(result.jobsCreated).toBe(0);
expect(mockQueue.addBulk).toHaveBeenCalled();
expect(mockLogger.error).toHaveBeenCalledWith('Failed to add job chunk', expect.any(Object));
});
it('should process large batches efficiently', async () => {
const items = Array.from({ length: 100 }, (_, i) => i);
const options: ProcessOptions = {
totalDelayHours: 0,
useBatching: true,
batchSize: 20,
};
const result = await processItems(
items,
'test-queue',
options,
mockQueueManager as unknown as QueueManager
);
expect(result.totalItems).toBe(100);
expect(result.mode).toBe('batch');
// With batching enabled and batch size 20, we should have 5 batch jobs
expect(mockQueue.addBulk).toHaveBeenCalled();
});
});
});