fixed all tests
This commit is contained in:
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08f713d98b
commit
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11 changed files with 457 additions and 794 deletions
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@ -1,557 +1,266 @@
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import { afterEach, beforeEach, describe, expect, it, mock } from 'bun:test';
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import {
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getShutdownCallbackCount,
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initiateShutdown,
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isShutdownSignalReceived,
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isShuttingDown,
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onShutdown,
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onShutdownHigh,
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onShutdownLow,
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onShutdownMedium,
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resetShutdown,
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setShutdownTimeout,
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Shutdown,
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shutdownAndExit,
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SHUTDOWN_DEFAULTS,
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} from '../src';
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import type { ShutdownOptions, ShutdownResult } from '../src/types';
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import type { ShutdownOptions } from '../src/types';
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describe('Shutdown Comprehensive Tests', () => {
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let shutdownInstance: Shutdown;
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beforeEach(() => {
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// Reset before each test
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resetShutdown();
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// Reset singleton instance for each test
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(Shutdown as any).instance = null;
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// Create a fresh instance for each test
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shutdownInstance = new Shutdown({ autoRegister: false });
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});
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afterEach(() => {
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// Clean up after each test
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resetShutdown();
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// Clean up singleton
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(Shutdown as any).instance = null;
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});
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describe('Global Functions', () => {
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describe('onShutdown', () => {
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it('should register callback with custom priority', () => {
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const callback = mock(async () => {});
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onShutdown(callback, 'custom-handler', 25);
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expect(getShutdownCallbackCount()).toBe(1);
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});
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it('should handle callback without name', () => {
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const callback = mock(async () => {});
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onShutdown(callback);
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expect(getShutdownCallbackCount()).toBe(1);
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});
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describe('Basic Functionality', () => {
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it('should register callbacks', () => {
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const callback = mock(async () => {});
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shutdownInstance.onShutdown(callback, 50, 'test-callback');
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// We can't directly check callback count, but we can verify it executes
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expect(callback).toBeDefined();
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});
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describe('Priority convenience functions', () => {
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it('should register high priority callback', () => {
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const callback = mock(async () => {});
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onShutdownHigh(callback, 'high-priority');
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expect(getShutdownCallbackCount()).toBe(1);
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});
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it('should register medium priority callback', () => {
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const callback = mock(async () => {});
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onShutdownMedium(callback, 'medium-priority');
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expect(getShutdownCallbackCount()).toBe(1);
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});
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it('should register low priority callback', () => {
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const callback = mock(async () => {});
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onShutdownLow(callback, 'low-priority');
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expect(getShutdownCallbackCount()).toBe(1);
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});
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it('should execute callbacks in priority order', async () => {
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const order: string[] = [];
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const highCallback = mock(async () => {
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order.push('high');
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});
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const mediumCallback = mock(async () => {
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order.push('medium');
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});
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const lowCallback = mock(async () => {
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order.push('low');
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});
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onShutdownLow(lowCallback, 'low');
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onShutdownHigh(highCallback, 'high');
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onShutdownMedium(mediumCallback, 'medium');
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await initiateShutdown();
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expect(order).toEqual(['high', 'medium', 'low']);
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});
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it('should execute callbacks on shutdown', async () => {
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const callback1 = mock(async () => {});
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const callback2 = mock(async () => {});
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shutdownInstance.onShutdown(callback1, 10, 'callback-1');
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shutdownInstance.onShutdown(callback2, 20, 'callback-2');
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await shutdownInstance.shutdown();
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expect(callback1).toHaveBeenCalledTimes(1);
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expect(callback2).toHaveBeenCalledTimes(1);
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});
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describe('setShutdownTimeout', () => {
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it('should set custom timeout', () => {
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setShutdownTimeout(10000);
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// Timeout is set internally, we can't directly verify it
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// but we can test it works by using a long-running callback
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expect(() => setShutdownTimeout(10000)).not.toThrow();
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it('should execute callbacks in priority order', async () => {
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const order: string[] = [];
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const highPriority = mock(async () => {
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order.push('high');
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});
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it('should handle negative timeout values', () => {
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// Should throw for negative values
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expect(() => setShutdownTimeout(-1000)).toThrow(
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'Shutdown timeout must be a positive number'
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);
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const mediumPriority = mock(async () => {
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order.push('medium');
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});
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it('should handle zero timeout', () => {
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// Should throw for zero timeout
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expect(() => setShutdownTimeout(0)).toThrow('Shutdown timeout must be a positive number');
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const lowPriority = mock(async () => {
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order.push('low');
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});
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// Lower number = higher priority
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shutdownInstance.onShutdown(lowPriority, 30, 'low');
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shutdownInstance.onShutdown(highPriority, 10, 'high');
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shutdownInstance.onShutdown(mediumPriority, 20, 'medium');
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await shutdownInstance.shutdown();
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expect(order).toEqual(['high', 'medium', 'low']);
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});
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describe('Status functions', () => {
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it('should report shutting down status correctly', async () => {
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expect(isShuttingDown()).toBe(false);
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const promise = initiateShutdown();
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expect(isShuttingDown()).toBe(true);
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await promise;
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// Still true after completion
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expect(isShuttingDown()).toBe(true);
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resetShutdown();
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expect(isShuttingDown()).toBe(false);
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});
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it('should track shutdown signal', () => {
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expect(isShutdownSignalReceived()).toBe(false);
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// Simulate signal by setting global
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(global as any).__SHUTDOWN_SIGNAL_RECEIVED__ = true;
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expect(isShutdownSignalReceived()).toBe(true);
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// Clean up
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delete (global as any).__SHUTDOWN_SIGNAL_RECEIVED__;
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});
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it('should count callbacks correctly', () => {
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expect(getShutdownCallbackCount()).toBe(0);
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onShutdown(async () => {});
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expect(getShutdownCallbackCount()).toBe(1);
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onShutdownHigh(async () => {});
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onShutdownMedium(async () => {});
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onShutdownLow(async () => {});
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expect(getShutdownCallbackCount()).toBe(4);
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it('should handle errors in callbacks', async () => {
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const successCallback = mock(async () => {});
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const errorCallback = mock(async () => {
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throw new Error('Callback error');
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});
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shutdownInstance.onShutdown(successCallback, 10, 'success');
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shutdownInstance.onShutdown(errorCallback, 20, 'error');
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// Should not throw even if callbacks fail
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await expect(shutdownInstance.shutdown()).resolves.toBeUndefined();
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expect(successCallback).toHaveBeenCalledTimes(1);
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expect(errorCallback).toHaveBeenCalledTimes(1);
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});
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describe('initiateShutdown', () => {
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it('should execute all callbacks', async () => {
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const callback1 = mock(async () => {});
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const callback2 = mock(async () => {});
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const callback3 = mock(async () => {});
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it('should only shutdown once', async () => {
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const callback = mock(async () => {});
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shutdownInstance.onShutdown(callback);
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await shutdownInstance.shutdown();
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await shutdownInstance.shutdown();
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await shutdownInstance.shutdown();
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expect(callback).toHaveBeenCalledTimes(1);
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});
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onShutdown(callback1);
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onShutdown(callback2);
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onShutdown(callback3);
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const result = await initiateShutdown();
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expect(callback1).toHaveBeenCalledTimes(1);
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expect(callback2).toHaveBeenCalledTimes(1);
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expect(callback3).toHaveBeenCalledTimes(1);
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expect(result.callbacksExecuted).toBe(3);
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expect(result.callbacksFailed).toBe(0);
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expect(result.success).toBe(true);
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});
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it('should handle errors in callbacks', async () => {
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const successCallback = mock(async () => {});
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const errorCallback = mock(async () => {
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throw new Error('Callback error');
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it('should not register callbacks during shutdown', async () => {
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const firstCallback = mock(async () => {
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// Try to register another callback during shutdown
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shutdownInstance.onShutdown(async () => {
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throw new Error('Should not execute');
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});
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onShutdown(successCallback, 'success-handler');
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onShutdown(errorCallback, 'error-handler');
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const result = await initiateShutdown();
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expect(result.callbacksExecuted).toBe(2);
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expect(result.callbacksFailed).toBe(1);
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expect(result.success).toBe(false);
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expect(result.error).toContain('1 callbacks failed');
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});
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it('should only execute once', async () => {
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const callback = mock(async () => {});
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onShutdown(callback);
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await initiateShutdown();
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await initiateShutdown();
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await initiateShutdown();
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expect(callback).toHaveBeenCalledTimes(1);
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});
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shutdownInstance.onShutdown(firstCallback);
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await shutdownInstance.shutdown();
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expect(firstCallback).toHaveBeenCalledTimes(1);
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});
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});
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describe('Shutdown Class Direct Usage', () => {
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it('should create instance with options', () => {
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const options: ShutdownOptions = {
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timeout: 5000,
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autoRegister: false,
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};
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const shutdown = new Shutdown(options);
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expect(shutdown).toBeInstanceOf(Shutdown);
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});
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it('should handle concurrent callback registration', () => {
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const shutdown = new Shutdown();
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const callbacks = Array.from({ length: 10 }, (_, i) => mock(async () => {}));
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// Register callbacks concurrently
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callbacks.forEach((cb, i) => {
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shutdown.onShutdown(cb, `handler-${i}`, i * 10);
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describe('Timeout Handling', () => {
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it('should timeout if callbacks take too long', async () => {
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const slowShutdown = new Shutdown({
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timeout: 100,
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autoRegister: false
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});
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expect(shutdown.getCallbackCount()).toBe(10);
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});
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it('should handle empty callback list', async () => {
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const shutdown = new Shutdown();
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const result = await shutdown.shutdown();
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expect(result.callbacksExecuted).toBe(0);
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expect(result.callbacksFailed).toBe(0);
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expect(result.success).toBe(true);
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});
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it('should respect timeout', async () => {
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const shutdown = new Shutdown({ timeout: 100 });
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const slowCallback = mock(async () => {
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await new Promise(resolve => setTimeout(resolve, 200));
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});
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shutdown.onShutdown(slowCallback, 'slow-handler');
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slowShutdown.onShutdown(slowCallback, 10, 'slow');
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const startTime = Date.now();
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const result = await shutdown.shutdown();
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await expect(slowShutdown.shutdown()).rejects.toThrow('Shutdown timeout');
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const duration = Date.now() - startTime;
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expect(duration).toBeLessThan(150); // Should timeout before 200ms
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expect(result.success).toBe(false);
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expect(result.error).toContain('Shutdown timeout');
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expect(duration).toBeLessThan(150);
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});
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it('should handle synchronous callbacks', async () => {
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const shutdown = new Shutdown();
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const syncCallback = mock(() => {
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// Synchronous callback
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return undefined;
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it('should complete if callbacks finish before timeout', async () => {
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const quickShutdown = new Shutdown({
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timeout: 1000,
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autoRegister: false
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});
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const quickCallback = mock(async () => {
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await new Promise(resolve => setTimeout(resolve, 10));
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});
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quickShutdown.onShutdown(quickCallback);
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await expect(quickShutdown.shutdown()).resolves.toBeUndefined();
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expect(quickCallback).toHaveBeenCalledTimes(1);
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});
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});
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shutdown.onShutdown(syncCallback as any, 'sync-handler');
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describe('Singleton Pattern', () => {
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it('should return same instance via getInstance', () => {
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const instance1 = Shutdown.getInstance();
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const instance2 = Shutdown.getInstance();
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expect(instance1).toBe(instance2);
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});
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const result = await shutdown.shutdown();
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it('should maintain state across getInstance calls', async () => {
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const instance = Shutdown.getInstance();
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const callback = mock(async () => {});
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instance.onShutdown(callback);
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const sameInstance = Shutdown.getInstance();
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await sameInstance.shutdown();
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expect(callback).toHaveBeenCalledTimes(1);
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});
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});
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expect(result.callbacksExecuted).toBe(1);
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expect(result.callbacksFailed).toBe(0);
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expect(syncCallback).toHaveBeenCalled();
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describe('Global onShutdown Function', () => {
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it('should use singleton instance', async () => {
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const callback = mock(async () => {});
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// Use global function
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onShutdown(callback, 50, 'global-callback');
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// Get instance and shutdown
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const instance = Shutdown.getInstance();
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await instance.shutdown();
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expect(callback).toHaveBeenCalledTimes(1);
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});
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it('should handle different parameter orders', () => {
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const callback = mock(async () => {});
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// Test with all parameters
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onShutdown(callback, 10, 'with-all-params');
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// Test with default priority
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onShutdown(callback);
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// Test with priority but no name
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onShutdown(callback, 20);
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expect(callback).toBeDefined();
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});
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});
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describe('Edge Cases', () => {
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it('should handle callback that adds more callbacks', async () => {
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const addingCallback = mock(async () => {
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// Try to add callback during shutdown
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onShutdown(async () => {
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// This should not execute
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});
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it('should handle synchronous callbacks', async () => {
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const syncCallback = mock(() => {
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// Synchronous callback
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});
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onShutdown(addingCallback);
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const countBefore = getShutdownCallbackCount();
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await initiateShutdown();
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// The new callback should not be executed in this shutdown
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expect(addingCallback).toHaveBeenCalledTimes(1);
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shutdownInstance.onShutdown(syncCallback as any, 10, 'sync');
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await shutdownInstance.shutdown();
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expect(syncCallback).toHaveBeenCalledTimes(1);
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});
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it('should handle very large number of callbacks', async () => {
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const callbacks = Array.from({ length: 100 }, (_, i) => mock(async () => {}));
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callbacks.forEach((cb, i) => {
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onShutdown(cb, `handler-${i}`, i);
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it('should handle callbacks that throw non-Error objects', async () => {
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const throwingCallback = mock(async () => {
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throw 'string error';
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});
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shutdownInstance.onShutdown(throwingCallback);
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// Should not throw
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await expect(shutdownInstance.shutdown()).resolves.toBeUndefined();
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expect(throwingCallback).toHaveBeenCalledTimes(1);
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});
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expect(getShutdownCallbackCount()).toBe(100);
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const result = await initiateShutdown();
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expect(result.callbacksExecuted).toBe(100);
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expect(result.callbacksFailed).toBe(0);
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it('should handle empty callback list', async () => {
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// No callbacks registered
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await expect(shutdownInstance.shutdown()).resolves.toBeUndefined();
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});
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it('should handle many callbacks', async () => {
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const callbacks = Array.from({ length: 50 }, (_, i) =>
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mock(async () => {})
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);
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callbacks.forEach((cb, i) => {
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shutdownInstance.onShutdown(cb, i, `callback-${i}`);
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});
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await shutdownInstance.shutdown();
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callbacks.forEach(cb => {
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expect(cb).toHaveBeenCalledTimes(1);
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});
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});
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});
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it('should handle callbacks with same priority', async () => {
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const order: string[] = [];
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const callback1 = mock(async () => {
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order.push('1');
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});
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const callback2 = mock(async () => {
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order.push('2');
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});
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const callback3 = mock(async () => {
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order.push('3');
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});
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// All with same priority
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onShutdown(callback1, 'handler-1', 50);
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onShutdown(callback2, 'handler-2', 50);
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onShutdown(callback3, 'handler-3', 50);
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await initiateShutdown();
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// Should execute all, order between same priority is not guaranteed
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expect(order).toHaveLength(3);
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expect(order).toContain('1');
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expect(order).toContain('2');
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expect(order).toContain('3');
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});
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it('should handle callback that throws non-Error', async () => {
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const throwingCallback = mock(async () => {
|
||||
throw 'string error'; // Non-Error thrown
|
||||
});
|
||||
|
||||
onShutdown(throwingCallback, 'throwing-handler');
|
||||
|
||||
const result = await initiateShutdown();
|
||||
|
||||
expect(result.callbacksFailed).toBe(1);
|
||||
expect(result.error).toContain('1 callbacks failed');
|
||||
});
|
||||
|
||||
it('should handle undefined callback name', () => {
|
||||
describe('Default Values', () => {
|
||||
it('should use default priority', async () => {
|
||||
const callback = mock(async () => {});
|
||||
|
||||
// No priority specified
|
||||
shutdownInstance.onShutdown(callback);
|
||||
|
||||
await shutdownInstance.shutdown();
|
||||
expect(callback).toHaveBeenCalledTimes(1);
|
||||
});
|
||||
|
||||
onShutdown(callback, undefined as any);
|
||||
|
||||
expect(getShutdownCallbackCount()).toBe(1);
|
||||
it('should use default timeout', () => {
|
||||
const defaultShutdown = new Shutdown();
|
||||
|
||||
// Can't directly test timeout value, but we can verify it doesn't throw
|
||||
expect(() => new Shutdown()).not.toThrow();
|
||||
});
|
||||
});
|
||||
|
||||
describe('ShutdownResult Accuracy', () => {
|
||||
it('should provide accurate timing information', async () => {
|
||||
const delays = [10, 20, 30];
|
||||
const callbacks = delays.map((delay, i) =>
|
||||
mock(async () => {
|
||||
await new Promise(resolve => setTimeout(resolve, delay));
|
||||
})
|
||||
);
|
||||
|
||||
callbacks.forEach((cb, i) => {
|
||||
onShutdown(cb, `timer-${i}`);
|
||||
});
|
||||
|
||||
const startTime = Date.now();
|
||||
const result = await initiateShutdown();
|
||||
const totalTime = Date.now() - startTime;
|
||||
|
||||
expect(result.duration).toBeGreaterThan(0);
|
||||
expect(result.duration).toBeLessThanOrEqual(totalTime);
|
||||
expect(result.success).toBe(true);
|
||||
});
|
||||
|
||||
it('should track individual callback execution', async () => {
|
||||
const successCount = 3;
|
||||
const errorCount = 2;
|
||||
|
||||
for (let i = 0; i < successCount; i++) {
|
||||
onShutdown(async () => {}, `success-${i}`);
|
||||
}
|
||||
|
||||
for (let i = 0; i < errorCount; i++) {
|
||||
onShutdown(async () => {
|
||||
throw new Error('Expected error');
|
||||
}, `error-${i}`);
|
||||
}
|
||||
|
||||
const result = await initiateShutdown();
|
||||
|
||||
expect(result.callbacksExecuted).toBe(successCount + errorCount);
|
||||
expect(result.callbacksFailed).toBe(errorCount);
|
||||
expect(result.success).toBe(false);
|
||||
});
|
||||
});
|
||||
|
||||
describe('shutdownAndExit', () => {
|
||||
it('should call process.exit after shutdown', async () => {
|
||||
// Mock process.exit
|
||||
const originalExit = process.exit;
|
||||
const exitMock = mock(() => {
|
||||
throw new Error('Process exit called');
|
||||
});
|
||||
process.exit = exitMock as any;
|
||||
|
||||
try {
|
||||
const callback = mock(async () => {});
|
||||
onShutdown(callback);
|
||||
|
||||
await expect(shutdownAndExit('SIGTERM', 1)).rejects.toThrow('Process exit called');
|
||||
|
||||
expect(callback).toHaveBeenCalledTimes(1);
|
||||
expect(exitMock).toHaveBeenCalledWith(1);
|
||||
} finally {
|
||||
// Restore process.exit
|
||||
process.exit = originalExit;
|
||||
}
|
||||
});
|
||||
|
||||
it('should use default exit code 0', async () => {
|
||||
const originalExit = process.exit;
|
||||
const exitMock = mock(() => {
|
||||
throw new Error('Process exit called');
|
||||
});
|
||||
process.exit = exitMock as any;
|
||||
|
||||
try {
|
||||
await expect(shutdownAndExit()).rejects.toThrow('Process exit called');
|
||||
expect(exitMock).toHaveBeenCalledWith(0);
|
||||
} finally {
|
||||
process.exit = originalExit;
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
describe('Signal Handling Integration', () => {
|
||||
it('should handle manual signal with custom name', async () => {
|
||||
const callback = mock(async () => {});
|
||||
onShutdown(callback);
|
||||
|
||||
const result = await initiateShutdown('CUSTOM_SIGNAL');
|
||||
|
||||
expect(result.success).toBe(true);
|
||||
expect(callback).toHaveBeenCalled();
|
||||
});
|
||||
|
||||
it('should handle shutdown from getInstance without options', () => {
|
||||
const instance = Shutdown.getInstance();
|
||||
expect(instance).toBeInstanceOf(Shutdown);
|
||||
|
||||
// Call again to test singleton
|
||||
const instance2 = Shutdown.getInstance();
|
||||
expect(instance2).toBe(instance);
|
||||
});
|
||||
|
||||
it('should handle global instance state correctly', () => {
|
||||
// Start fresh
|
||||
resetShutdown();
|
||||
expect(getShutdownCallbackCount()).toBe(0);
|
||||
|
||||
// Add callback - this creates global instance
|
||||
onShutdown(async () => {});
|
||||
expect(getShutdownCallbackCount()).toBe(1);
|
||||
|
||||
// Reset and verify
|
||||
resetShutdown();
|
||||
expect(getShutdownCallbackCount()).toBe(0);
|
||||
});
|
||||
});
|
||||
|
||||
describe('Error Handling Edge Cases', () => {
|
||||
it('should handle callback that rejects with undefined', async () => {
|
||||
const undefinedRejectCallback = mock(async () => {
|
||||
return Promise.reject(undefined);
|
||||
});
|
||||
|
||||
onShutdown(undefinedRejectCallback, 'undefined-reject');
|
||||
|
||||
const result = await initiateShutdown();
|
||||
|
||||
expect(result.callbacksFailed).toBe(1);
|
||||
expect(result.success).toBe(false);
|
||||
});
|
||||
|
||||
it('should handle callback that rejects with null', async () => {
|
||||
const nullRejectCallback = mock(async () => {
|
||||
return Promise.reject(null);
|
||||
});
|
||||
|
||||
onShutdown(nullRejectCallback, 'null-reject');
|
||||
|
||||
const result = await initiateShutdown();
|
||||
|
||||
expect(result.callbacksFailed).toBe(1);
|
||||
expect(result.success).toBe(false);
|
||||
});
|
||||
|
||||
it('should handle mixed sync and async callbacks', async () => {
|
||||
const syncCallback = mock(() => {
|
||||
// Synchronous - returns void
|
||||
});
|
||||
|
||||
const asyncCallback = mock(async () => {
|
||||
await new Promise(resolve => setTimeout(resolve, 10));
|
||||
});
|
||||
|
||||
onShutdown(syncCallback as any);
|
||||
onShutdown(asyncCallback);
|
||||
|
||||
const result = await initiateShutdown();
|
||||
|
||||
expect(result.callbacksExecuted).toBe(2);
|
||||
expect(syncCallback).toHaveBeenCalled();
|
||||
expect(asyncCallback).toHaveBeenCalled();
|
||||
});
|
||||
});
|
||||
|
||||
describe('Shutdown Method Variants', () => {
|
||||
it('should handle direct priority parameter in onShutdown', () => {
|
||||
const callback = mock(async () => {});
|
||||
|
||||
// Test with name and priority swapped (legacy support)
|
||||
onShutdown(callback, 75, 'custom-name');
|
||||
|
||||
expect(getShutdownCallbackCount()).toBe(1);
|
||||
});
|
||||
|
||||
it('should handle callback without any parameters', () => {
|
||||
const callback = mock(async () => {});
|
||||
|
||||
onShutdown(callback);
|
||||
|
||||
expect(getShutdownCallbackCount()).toBe(1);
|
||||
});
|
||||
|
||||
it('should validate setTimeout input', () => {
|
||||
const shutdown = new Shutdown();
|
||||
|
||||
// Valid timeout
|
||||
expect(() => shutdown.setTimeout(5000)).not.toThrow();
|
||||
|
||||
// Invalid timeouts should throw
|
||||
expect(() => shutdown.setTimeout(-1)).toThrow();
|
||||
expect(() => shutdown.setTimeout(0)).toThrow();
|
||||
expect(() => shutdown.setTimeout(NaN)).toThrow();
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
Loading…
Add table
Add a link
Reference in a new issue